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<strong>Program</strong> / <strong>Abstract</strong> <strong>Book</strong>
Asian Society of Clinical Pathology and<br />
Laboratory Medicine<br />
12 th Meeting of the Asian Society of Clinical Pathology and Laboratory Medicine<br />
(ASCPaLM KYOTO 2012)<br />
The Future of Laboratory Medicine in<br />
Clinical Practice<br />
29 November – 1 December 2012<br />
Kyoto International Conference Center<br />
Room D / Event Hall<br />
www3.kmu.ac.jp/ascpalm2012/in<strong>for</strong>mation.html
Welcome<br />
Dear Friends and Colleagues,<br />
On behalf of the Organizing Committee <strong>for</strong> the 12th Meeting of the Asian Society of Clinical Pathology and<br />
Laboratory Medicine (ASCPaLM), we take great pleasure in welcoming you to Kyoto.<br />
This is a truly international meeting with participants from all over the world, coming together to hear of the latest<br />
developments in the basic, clinical and population research into clinical pathology and laboratory medicine and<br />
associated conditions. We are sure that you’ll find the excellent program contemporary, stimulating and relevant. The<br />
state-of-the-art reviews presented by the industry-sponsored seminars will provide opportunities to bring yourself right<br />
up-to-date in the diversity of themes outside your expertise. The program incorporates a variety of presentation <strong>for</strong>mats<br />
including Plenary Sessions, Sponsored Symposia, Luncheon Seminar and Poster Sessions that have been structured to<br />
facilitate interaction and discussion.<br />
Networking with colleagues is not just limited to the scientific program. The social program is great time to catchup<br />
with friends and collaborators in a more relaxed atmosphere, while experiencing the best that spectacular Kyoto has to<br />
offer.<br />
We look <strong>for</strong>ward to seeing you during the coming month and would like to take this opportunity to thank you <strong>for</strong><br />
attending ASCPaLM KYOTO 2012.<br />
Hakuo Takahashi<br />
Chair, Organising Committee<br />
ASCPaLM KYOTO 2012<br />
President, ASCPaLM<br />
Organizing committee <strong>for</strong> the ASCPaLM KYOTO 2012<br />
Department of Clinical Sciences and Laboratory Medicine<br />
Kansai Medical University<br />
2-3-1 Shinmachi, Hirakata City, Osaka 573-1191, Japan<br />
TEL/FAX: +81-72-804-2773
Table of Contents<br />
Committees 1<br />
Sponsors and Supporters 3<br />
General In<strong>for</strong>mation 3-8<br />
Scientific <strong>Program</strong> In<strong>for</strong>mation 9-11<br />
<strong>Program</strong> at a glance 12<br />
Keynote lecture 13<br />
Featured Oral Presentation 14<br />
abstracts 15-20<br />
Advanced technical seminars 21-34<br />
Scientific and Poster Sessions (chairperson, title & Speakers) 35-52<br />
<strong>Abstract</strong>s-Clinical Chemistry 54-74<br />
<strong>Abstract</strong>s-Endocrinology 75-79<br />
<strong>Abstract</strong>s-Immunology and Blood Bank 80-87<br />
<strong>Abstract</strong>s-Hematology 88-104<br />
<strong>Abstract</strong>s-Clinical Microbiology 105-118<br />
<strong>Abstract</strong>s-Physiological Function test 119-120<br />
<strong>Abstract</strong>s-Pathology 121-127<br />
<strong>Abstract</strong>s-Molecular biology 128-139<br />
<strong>Abstract</strong>s-Others 140-152<br />
Notes 154-
ASCPaLM 2012 Executive Committee<br />
President Hakuo Takahashi Department of Clinical Sciences and Laboratory<br />
Medicine, Kansai Medical University, Osaka, Japan<br />
Vice president Oh Hun Kwon Department of Laboratory Medicine, Yonsei University<br />
College of Medicine, Seoul, Korea<br />
Secretary General Tjin Shing Jap Section of Biochemistry, Department of Pathology and<br />
Laboratory Medicine, Taipei Veterans General Hospital,<br />
Taiwan<br />
National Representatives (President of the Society)<br />
Mitsuru Murata The Japanese Society of Laboratory Medicine (JSLM)<br />
Won-ki Min The Korean Society <strong>for</strong> Laboratory Medicine<br />
Lia G. Partakusuma Indonesian Association of Clinical Pathologists<br />
Tjin Shing Jap Taiwan Society of Clinical Pathologists<br />
N. Munkhtuvshin Mongolian Society of Clinical Pathologists<br />
Organisers<br />
Chairperson Hakuo Takahashi Kansai Medical University<br />
Advisory Tadashi Kawai Former President, the JSLM<br />
Board Ikunosuke<br />
Sakurabayashi<br />
Former President, the JSLM<br />
Kiyoaki Watanabe Former President, the JSLM<br />
Yukihisa Miyazawa Former President, the JSLM, Teikyo University<br />
Mitsuru Murata President, The JSLM, Keio University, School of<br />
Medicine<br />
Tomohiro Samori President, the Japanese Association of Clinical Laboratory<br />
Physicians<br />
Satoshi Ichiyama Chairman, the 59 th JSLM annual meeting, Kyoto<br />
University<br />
Yutaka Yatomi Tokyo University, Graduate School of Medicine<br />
Hayato Miyachi Tokai University, School of Medicine<br />
Akiko Yoneyama Toranomon Hospital<br />
Masami Murakami Gunma University, Graduate School of Medicine<br />
Masato Maekawa Hamamatsu University, School of Medicine<br />
Junichi Chihara Akita University, Graduate School of Medicine<br />
- 1 -
<strong>Program</strong><br />
Committee<br />
Yukio Ozaki University of Yamanashi, Faculty of Medicine<br />
Akira Suwabe Iwate Medical University, School of Medicine<br />
Isao Kitajima University of Toyama, Graduate School of Medicine and<br />
Pharmacological Sciences<br />
Yukio Ando Kumamoto University, Graduate School of Medical<br />
Sciences<br />
Tsutomu Nobori Mie university Graduate School of Medicine<br />
Hidetoshi Okabe Shiga University of Medical Science<br />
Hiroo Tominaga Kasai City Hospital<br />
Hitosi Asayama Osaka Association of Medical Technologist<br />
Yasuyuki Okamoto Nara Medical University<br />
Shunichi Kumagai Kobe University, Graduate School of Medicine<br />
Masahiro Koshiba Hyogo College of Medicine, School of Medicine<br />
Tokio Sanke Wakayama University of Medical Science<br />
Takayuki Takubo Osaka Medical College<br />
Yoh Hidaka Osaka University Graduate School of Medicine<br />
Naohisa Fujita Kyoto Prefectural University of Medicine<br />
Toshinori Kamisako Kinki University, School of Medicine<br />
Kuniaki Saito Kyoto University Graduate School of Medicine<br />
Shuji Matsuo Tenriyorozu Hospital<br />
Shunji Takakura Kyoto University Graduate School of Medicine<br />
Takahiro Doi Kyoto University Graduate School of Medicine<br />
Yutaka Furukawa Kobe City Medical Center General hospital<br />
Yoshikazu Yamamoto Tenriyorozu Hospital<br />
Michio Tanaka Kyoto University Graduate School of Medicine<br />
Akihiko Nakaizumi Kyoto University Graduate School of Medicine<br />
- 2 -
Sponsors and supporters<br />
Abbott Japan Co., Ltd.<br />
ARKRAY Inc.<br />
Beckman-Coulter Inc.<br />
Denka-Seiken Co., Ltd.<br />
Hitachi High-Technologies Corp.<br />
Japan Association of Clinical Reagents Industries (JACR)<br />
Japanese Society of Laboratory Medicine (JSLM)<br />
Roche Diagnostics K.K.<br />
Sekisui Medical Co., Ltd.<br />
Siemens Japan K.K.<br />
Sysmex Corp.<br />
General In<strong>for</strong>mation<br />
Dates<br />
Thursday, 29 November– Saturday; 1 December, 2012<br />
Venue<br />
Kyoto International Conference Center (http://www.icckyoto.or.jp/en/index.html)<br />
Room D<br />
Official Language<br />
English: No simultaneous interpretation will be provided <strong>for</strong> any language.<br />
Tourist In<strong>for</strong>mation<br />
Climate<br />
The average temperature in Kyoto at the time of the meeting is 4.7 ~ 13.7°C.<br />
Tipping and Consumption Tax<br />
Tipping is not customary in Japan and is unnecessary in all situations. However, major restaurants or<br />
hotels may automatically add a 10% to 15% service charge to your bill. A 5% consumption tax is also<br />
automatically added to purchases at shops, restaurants and hotels.<br />
Currency<br />
Japanese yen (JPY) is the only currency accepted at regular stores and restaurants. Most currencies and<br />
traveler’s checks can be exchanged at international airports, large branches of major banks, and hotels.<br />
Banks are open from Monday to Friday, 9:00-15:00. The organizing committee will accept only<br />
Japanese yen (JPY) is the only currency accepted at regular stores and restaurants. Most currencies and<br />
traveler's checks can be exchanged at international airports, large branches of major banks, and hotels.<br />
Banks are open from Monday to Friday, 9:00-15:00. The organizing committee will accept only<br />
Japanese yen at the registration desk.<br />
- 3 -
Electricity<br />
The electric current in use is 100V 60Hz in Western Japan.<br />
Insurance<br />
The Organizing Committee can accept no responsibility <strong>for</strong> accidents or damage to the private property<br />
of participants. Please make your own arrangements <strong>for</strong> health insurance, traveler's insurance, and any<br />
other necessary insurance.<br />
Passport and Visas<br />
A valid passport is required to enter Japan. In addition, a visa is required <strong>for</strong> visitors from some nations;<br />
please contact the Japanese Consulate or diplomatic mission in your country as soon as possible so that<br />
those who are required to do so can take the necessary steps. For details, please refer to<br />
http://www.mofa.go.jp/j_info/visit/visa/index.html (Guide to Japanese VISAS from the Ministry of<br />
Foreign Affairs). If you are required to obtain a visa and some documents <strong>for</strong> visa purposes, please<br />
contact the secretariat: ascpalm2006@congre.co.jp. Please note that this procedure is intended to assist<br />
registered participants who need to obtain a visa and it does not imply any financial support from the<br />
Meeting.<br />
Time<br />
Japan Standard Time is 9 hours ahead of Greenwich Mean Time.<br />
From Airport to Kyoto International conference Center<br />
- 4 -
Approximate Flight Times to Japan<br />
From Asia<br />
Bangkok [ 5hrs ] /Beijing [ 1.5hrs ] / Busan [ 1hr ] / Hong Kong [ 3hrs ] / Kuala Lumpur [ 6hrs ] /<br />
Manila [ 4hrs ]/ New Delhi [ 8hrs ] / Seoul [ 1.5hrs ] / Ulaanbaatar{8hrs}/ Shanghai [ 1.5hrs ] /<br />
Singapore [ 6hrs ] / Taipei [ 2hrs ]<br />
The modern Kyoto Station serves as a link between Kyoto and the rest of the country.<br />
- 5 -
Kyoto Heian Hotel(京都平安ホテル)<br />
http://kyoto-heian-hotel.com/<br />
Rubino Kyoto Horikawa Hotel<br />
(ルビノ京都堀川ホテル)<br />
http://www.rubino.gr.jp/<br />
Kansai International Airport<br />
- 6 -<br />
Kyoto International Conference Center<br />
http://www.icckyoto.or.jp/<br />
Kyoto Station
The Kyoto City Subway system is easy to navigate, and is convenient <strong>for</strong> commuting from hotel to the<br />
Conference Center.<br />
- 7 -
A fully covered wheelchair-friendly tunnel and walkway stretches from the subway to the Conference<br />
Center's front doors.<br />
Floor Map (Room D)<br />
Subway<br />
Station<br />
Entrance<br />
Registration<br />
- 8 -<br />
Event Hall<br />
Room D<br />
Room H<br />
Speaker<br />
Preparation<br />
Space
Scientific <strong>Program</strong> In<strong>for</strong>mation<br />
Speaker preparation space<br />
The speaker preparation space is set in room H near room D.<br />
Opening hours;<br />
Friday 30 November 08:00 – 17:00<br />
Saturday 1 December 08:00 – 16:00<br />
All oral presenters are asked to load / check their presentation at least one (1) hour prior to<br />
their session commencing to ensure the presentation is checked and tested. You will be briefed<br />
on how to use the system when you meet with the audio visual technicians.<br />
Speakers <strong>for</strong> the featured oral session are asked to present their papers <strong>for</strong> less than 15 minutes,<br />
leaving more than 5 minutes <strong>for</strong> discussion.<br />
In<strong>for</strong>mation and Guidelines <strong>for</strong> Poster Presenters<br />
Presentation<br />
Poster boards will be located inside the Exhibition hall (Event Hall).<br />
Poster presenters will be handed a ‘poster number’ upon registration, and must mount their<br />
poster on their allocated board on the appropriate day as follows.<br />
Poster #01 - #51<br />
Mounting: 08:00 – 10:00 (Friday)<br />
Removal: 17:00 – 18:00 (Friday)<br />
Poster #52 - #99<br />
Mounting: 08:00 – 10:00 (Saturday)<br />
Removal: 18:00 – (Saturday)<br />
The organisers are not responsible <strong>for</strong> any item, including posters, left in the room outside of<br />
the allocated hours.<br />
Poster presenters are asked to present a short oral presentation <strong>for</strong> less than 5 minutes and free<br />
discussion <strong>for</strong> 5 minutes standing by their posters during the <strong>for</strong>mal Poster Session (13:00 –<br />
14:00 on Friday or 17:00 – 18:00 on Saturday) to field questions and discussion.<br />
Display Facilities<br />
� One panel is available <strong>for</strong> display of each poster. To fit within the poster frame,posters must be<br />
sized as follows: posters must not exceed 90cm wide by 190cm high.<br />
� A limited supply of Velcro <strong>for</strong> attaching the poster display to the fabric panel backing is supplied.<br />
� Electrical outlets will not be provided in the poster presentation area.<br />
- 9 -
Preparation of a Poster<br />
� The official language <strong>for</strong> the posters is English.<br />
� Prepare the poster on material that is lightweight. The material can be on one sheet so that it can be<br />
rolled up <strong>for</strong> easy transport or on separate panels <strong>for</strong> individual mounting. Posters should be<br />
readable from a distance of 2 meters. For adequate visibility,capital letters should be at least 1 cm<br />
high after enlargement to full poster size.<br />
� Your poster should be self-explanatory so that you are free to supplement and discuss particular<br />
points raised by enquiry. It may include:<br />
Diagrams and charts<br />
Reaction schemes<br />
Photographs<br />
Example of Layout<br />
Poster Layout<br />
On the top left corner of your poster reserve a space 20cm wide x 20 cm high <strong>for</strong> the poster number<br />
provided by the ASCPaLM organizer. This number will also be identified in the program, so people that<br />
have an interest in your poster can easily find it.<br />
20 cm<br />
Aim<br />
Title / Names / Institution<br />
Materials and Methods<br />
Results<br />
Conclusions<br />
70 cm<br />
90 cm<br />
- 10 -<br />
20 cm<br />
190 cm
Event Hall is located by the conference center at the<br />
north side. A fully covered walkway stretches from the<br />
conference room to the Event Hall.<br />
- 11 -<br />
Event Hall<br />
Poster Session<br />
Conference Room
<strong>Program</strong> at a glance<br />
Nov. 29 (Thu) Nov. 30 (Fri) Dec. 1 (Sat)<br />
8:50 Opening<br />
9:00 Featured Oral Session<br />
6 presentations<br />
11:00 Innovative Molecular<br />
Biomarkers in thrombus<br />
Formation<br />
12:00<br />
-<br />
12:55<br />
13:00<br />
(Sekisui Medical)<br />
Luncheon seminar<br />
The clinical significance and<br />
measuring method of<br />
albuminuria<br />
T. Konta<br />
(Siemens Healthcare)<br />
Registration Poster session #1<br />
(PO. 1 – PO. 51)<br />
- 12 -<br />
9:00 The Globalization of Medicine:<br />
Appropriate Utilization of<br />
Laboratory Tests<br />
Keynote Lecture by<br />
E. Blair Holladay<br />
Executive Vice President/Chief Executive,<br />
American Society <strong>for</strong> Clinical Pathology<br />
10:00 Establishment of Reference<br />
Intervals: Still a Challenging<br />
Issue!<br />
(Beckman Coulter)<br />
12:00<br />
-<br />
12:55<br />
13:00<br />
-<br />
14:50<br />
Luncheon seminar<br />
Small Dense LDL-Cholesterol<br />
and Risk <strong>for</strong> CHD<br />
Ron C. Hoogeveen<br />
(Denka Seiken)<br />
From diagnosis to personalized<br />
medicine: comprehensive<br />
approaches <strong>for</strong> patient care<br />
14:00 Exhibition: site visit<br />
(Roche Diagnostics)<br />
15:00 National The Diagnosis and Treatment 15:00 Scientific Innovation Seminar<br />
16:00<br />
Representative<br />
Meeting<br />
of Leukemia: A look into the<br />
future<br />
-<br />
16:50<br />
‘Infectious Diseases’<br />
(Abbott Diagnostics)<br />
17:00 Welcome<br />
Reception<br />
(Sysmex Corp.)<br />
17:00 Poster session #2<br />
(PO. 52 – PO. 99) )<br />
18:00 Banquet<br />
18:00 Closing<br />
20:00 (by Sysmex)<br />
19:30 Farewell Party<br />
(at Rubino-Horikawa Hotel)
Keynote Lecture<br />
(Chaired by Mitsuru Murata)<br />
The Globalization of Medicine: Appropriate Utilization of<br />
Laboratory Tests<br />
E. Blair Holladay, BA, BS, MS, Ph.D., SCT (ASCP) CM<br />
Executive Vice President/Chief Executive<br />
American Society <strong>for</strong> Clinical Pathology<br />
As the borders between individual countries within the world edge “closer together” as a relationship<br />
of travel, virtual communication (virtual mail, virtual conferences, social media) and ready access to the<br />
internet and telepathology, healthcare providers are finding themselves regularly exchanging best<br />
practices as well as discussing the latest research and disease management paradigms. As medical<br />
laboratory practitioners, it is incumbent that we share best practices and also discuss which types of tests<br />
are appropriate or inappropriate to conduct, depending on the clinical scenario. Pathologists and<br />
laboratory professional are in a best position to help reduce healthcare expenditures by advising<br />
clinicians and other healthcare providers about appropriate testing. The axiom, “right test, right patient,<br />
right time and the right cost” is becoming more critical in an age of limited healthcare spending.<br />
Examples of inappropriate and over utilized tests are pervasive throughout both anatomic and clinical<br />
pathology and laboratory medicine, such as use of low-risk human papillomavirus testing <strong>for</strong> cervical<br />
cancer screening3 (proven to have no relationship to the development of cervical cancer), and the<br />
practice of unnecessary preoperative testing panels unrelated to the corresponding surgery (antinuclear<br />
antibodies testing <strong>for</strong> lupus and rheumatoid, hepatitis A and B, etc.). Another factor is the poorly<br />
characterized definitions of test use. Clinicians are often unclear about when or how to use many tests<br />
and thus may not make the appropriate choices. With approximately 4,000 new tests on the horizon over<br />
the next decade, it will be much more difficult <strong>for</strong> clinical to be kept in<strong>for</strong>med on the evidenced-based<br />
data that helps them to choose the most appropriate test, especially in the new and impending age of<br />
genomics. Unnecessary testing can also result from duplicate orders and rework, such as when a<br />
patient is transferred between heath settings without sharing of test data or when more than one<br />
physician is involved in a patient’s treatment. Research indicates there is no connection between the<br />
amount of laboratory testing done and the quality of care. Excessive testing may also lead to a chance of<br />
false positive diagnoses. Approximately 5 percent of healthy patients get abnormal test results leading<br />
to unnecessary testing and potentially risky treatments.<br />
- 13 -
Featured Oral Presentation<br />
Chairpersons: Won-Ki Min and Yukio Ozaki<br />
1. CLINICAL PATHOLOGY SCOPE IN CANCER SURVEILLANCE<br />
Siti Boedina Kresno<br />
Dharmais National Cancer Center, Jakarta Indonesia<br />
2. CLINICAL APLICATION OF LIQUID CHROMATOGRAPHY TANDEM MASS<br />
SPECTROMETRY<br />
Bai Hsiun Chen M.D.; FCAP<br />
Department of Laboratory Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan,<br />
Director, Division of Toxicology, Department of Laboratory Medicine, Kaohsiung Medical<br />
University Hospital, Kaohsiung, Taiwan<br />
3. SUSTAINED EXPRESSION OF A NEURON-SPECIFIC ISOFORM OF THE TAF1 GENE IN<br />
DEVELOPMENT STAGES AND AGING IN MICE<br />
Jamiyansuren Jambaldorj 1,2 , Satoshi Makino 2,3 , Gen Tamiya 2 , Batmunkh Munkhbat 1<br />
1. Central Scientific Research Laboratory, Institute of Medical Sciences, Ulaanbaatar, Mongolia<br />
2. Advanced Molecular Epidemiology Research Institute, Yamagata University Faculty of<br />
Medicine, Yamagata, Japan<br />
3. Molecular Neuroscience Research Center, Shiga University of Medical Science, Otsu, Japan<br />
4. OPTIMIZATION OF PRONASE TREATMENT FOR X-MATCH TESTING<br />
Gansuvd Balgansuren, MD, PhD 1 , Prof. Namid Munkhtuvshin MD,PhD 2<br />
1<br />
Clinical Transplantation Immunology Laboratory, Duke University Health System, Duke<br />
University, 2 Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
5. INDIAN STUDY OF LIVER FUNCTION TESTS IN POST LIVER TRANSPLANT PATIENTS<br />
Pradeep Naik, Premsagar.Bandi, Mallikarjuna Madhavarapu<br />
Department of Clinical Biochemistry, Global Hospitals, Lakdikapool, Hyderabad-500004 INDIA<br />
6. The Analysis on the familial tendency of Transferrin Saturation (TS) in Korean<br />
Families Based on The Fifth Korea National Health and Nutrition Examination<br />
Survey (KNHNES, V-1) 2010<br />
Sung-Hee Oh, So-Young Kim, Woochang Lee, Sail Chun, and Won-Ki Min*<br />
Department of Laboratory Medicine, Asan Medical Center and University of Ulsan College of<br />
Medicine, Korea<br />
- 14 -
FO 1<br />
CLINICAL PATHOLOGY SCOPE IN CANCER SURVEILLANCE<br />
Siti Boedina Kresno<br />
Dharmais National Cancer Center,<br />
Jakarta Indonesia<br />
The development of molecular biology gives us a deeper understanding of the mechanism and<br />
pathogenesis of disease and the medical science in the 21 st century will there<strong>for</strong>e be based on the<br />
understanding of disease process at molecular levels. These new trends in the field of oncology<br />
challenges clinical laboratory professionals to provide molecular diagnostic tools.<br />
Cancer surveillance considered <strong>for</strong> this presentation is not monitoring of cancer trends over time or<br />
collecting and analyzing data on cancer occurrence and risk factors at population levels, but in the<br />
context of testing people who are at increased risk <strong>for</strong> developing cancer or have previously had cancer<br />
to predict early recurrence or metastasis.<br />
The scope of clinical pathology in surveillance, prediction and prognostication in cancer includes<br />
hereditary cancer as well as sporadic cancer in particular by using lymphocytes <strong>for</strong> risk assessment of<br />
hereditary cancer and using circulating tumor cells (CTC) and or circulating or cell-free DNA/RNA in<br />
the prognostication of sporadic cancer.<br />
An Indonesian experience in this field will be presented.<br />
- 15 -
FO 2<br />
CLINICAL APLICATION OF LIQUID CHROMATOGRAPHY TANDEM MASS<br />
SPECTROMETRY<br />
Bai Hsiun Chen M.D.; FCAP<br />
Department of Laboratory Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan<br />
Director, Division of Toxicology, Department of Laboratory Medicine, Kaohsiung Medical<br />
University Hospital, Kaohsiung, Taiwan<br />
Liquid chromatography-tandem mass spectrometry (LC-MS/MS) has seen enormous growth in<br />
clinical laboratories during the last 10–15 years. It offers better analytical specificity than that of<br />
immunoassays or conventional high per<strong>for</strong>mance liquid chromatography (HPLC) <strong>for</strong> low molecular<br />
weight analytes and has higher throughput than gas chromatography-mass spectrometry (GC-MS)<br />
which the analyte needs to be volatile and is more time consuming by derivatization. The main<br />
applications of LC-MS/MS have been seen in the field of Drug/Toxicology and Biochemical<br />
Genetics/Newborn Screening, but in recent years there had more application in the field of<br />
Endocrine laboratories.<br />
Measures to improve specificity and sensitivity include sample clean-up and optimising<br />
chromatography to avoid interferences and ion suppression due to sample-matrix components.<br />
We will discussed our experience of LC-MS/MS in developing quantification of arecholine,<br />
melamine, ketamine, DEHP, 25(OH)D2 and 25(OH)D3.<br />
- 16 -
FO 3<br />
SUSTAINED EXPRESSION OF A NEURON-SPECIFIC ISOFORM OF THE<br />
TAF1 GENE IN DEVELOPMENT STAGES AND AGING IN MICE<br />
Jamiyansuren Jambaldorj 1,2 , Satoshi Makino 2,3 , Gen Tamiya 2 , Batmunkh Munkhbat 1<br />
1. Central Scientific Research Laboratory, Institute of Medical Sciences, Ulaanbaatar, Mongolia<br />
2. Advanced Molecular Epidemiology Research Institute, Yamagata University Faculty of Medicine,<br />
Yamagata, Japan<br />
3. Molecular Neuroscience Research Center, Shiga University of Medical Science, Otsu, Japan<br />
TATA-box binding protein associated factor 1 (TAF1) protein is the largest and the essential component<br />
of the TFIID complex in the pathway of RNA polymerase II–mediated gene transcription, and it<br />
regulates transcription of a large number of genes related to cell division. The neuron-specific iso<strong>for</strong>m<br />
of theTAF1 gene (N-TAF1), which we reported previously, may have an essential role in neurons<br />
through transcriptional regulation of many neuron-specific genes. In the present study, we cloned the<br />
full-length cDNA that encodes the mouse homologue of N-TAF1 (N-Taf1) protein. By carrying out of<br />
real time RT-PCR, we investigated the expression analysis of the N-Taf1 mRNA in mouse tissues and<br />
cell lines. As well as the human N-TAF1, the N-Taf1 showed limited expression in the brain and<br />
neuroblastoma, whereas Taf1 expressed elsewhere. Furthermore, in mouse embryo head or mouse brain,<br />
mRNA expression of TAF1 changes dramatically during development but N-Taf1 showed sustained<br />
expression. Our result suggests that the N-Taf1 gene has an important role in non-dividing neuronal cell<br />
rather than in cell division and proliferation during neurogenesis.<br />
- 17 -
FO 4<br />
OPTIMIZATION OF PRONASE TREATMENT FOR X-MATCH TESTING<br />
Gansuvd Balgansuren, MD, PhD 1 , Prof. Namid Munkhtuvshin MD,PhD 2<br />
1 Clinical Transplantation Immunology Laboratory, Duke University Health System, Duke University,<br />
2 Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
Objectives: Due to increased receipt of crossmatch test requests from patients treated with rituximab<br />
desensitization therapy we aimed to optimize pronase concentration <strong>for</strong> routine testing that could<br />
significantly reduce non-specific background binding CD20 while keeping CD19.<br />
Materials and Methods: Peripheral blood mononuclear cells (PBMNC) were incubated with different<br />
concentrations (0.5; 1.0; 1.5 and 20 mg/ml) of pronase <strong>for</strong> 30 minutes at 37°C. Two kinds of normal<br />
human sera (GEN & GTI) and positive pooled serum (PPS) were used as negative and positive controls.<br />
10 µg/ml rituximab spiked NHS and rituximab treated patient’s sera were used as test samples.<br />
Anti-human CD19 and CD20 antibodies were used <strong>for</strong> phenotypic analysis.<br />
Results: 15 min incubation of donor cells with various concentrations of pronase resulted no change on<br />
CD20 expression, however extended incubation of donor cells with pronase at the dose of 1.5 mg/ml<br />
and 2.0 mg/ml <strong>for</strong> 30 min completely removed CD20 from B cell surface. The latter dose also markedly<br />
reduced CD19 expression (55%±26%, n=8) as well as its intensity. There<strong>for</strong>e, 1.5mg/ml of pronase has<br />
been chosen <strong>for</strong> further X-Match testing. MCS of rituximab spiked NHS (GEN & GTI) with<br />
un-pronased donor cells in B cell X-Match was 512±50 & 452±53 and which has reduced up to 68±28<br />
& 47±18 with 1.5 mg/ml pronase treated donor cells, respectively (n=20). Rituximab treated patients<br />
sera with un-pronased donor cells in B cell X-Match showed MCS of 445, 447 and 468 which has also<br />
reduced up to 20, 48 and 6 with 1.5mg/ml pronase treated donor cells. The pronase treatment<br />
significantly reduced non-specific background binding in both T and B cell X-Match and significantly<br />
increased sensitivity only in T cell X-Match.<br />
Conclusion: 1.5 mg/ml pronase treatment of donor cells <strong>for</strong> 30 min at 37°C could completely remove<br />
CD20 from B cell surface while keeping sufficient number of CD19 positive cells to safely X-Match<br />
rituximab treated patients alone with other patients.<br />
- 18 -
FO 5<br />
INDIAN STUDY OF LIVER FUNCTION TESTS IN POST LIVER TRANSPLANT<br />
PATIENTS<br />
Pradeep Naik, Premsagar.Bandi, Mallikarjuna Madhavarapu<br />
Department of Clinical Biochemistry, Global Hospitals, Lakdikapool, Hyderabad-500004 INDIA<br />
Liver transplantation means surgical replacement of a diseased liver with a healthy liver. The survival<br />
rate was 30% after one year. LTx was considered to be the last procedure when all medical or surgical<br />
intervention failed. Advances in donor organ preservation, surgical techniques, patient selection,<br />
immunosuppressive regimens and treatments <strong>for</strong> opportunistic infections all have contributed to<br />
substantially improve the survival rates. Despite substantial technological, medical and surgical<br />
advances, liver transplantation remains a complex procedure that is accompanied by significant<br />
morbidity and mortality.<br />
The post-operative outcome of each patient varies greatly depending on the patient’s pre- operative state,<br />
quality of the donated organ and the complexity of the surgery. Complications occur both immediately<br />
post transplant and in the long term. Most of the problems can be satisfactorily assessed with a panel of<br />
routine LFTs results of which are generated quickly, cheaply on the analyzer which operates 24 hrs.<br />
Liver Function Test identifies the presence of problem but not problem itself. Abnormal results can be<br />
meaningful only when used with clinical data, radiological findings.<br />
The study includes 75 post LTx patients in three groups Adults (Non ACR ), Pediatrics and ACR. All<br />
recipients were on immunosuppressive therapy (tacrolimus, micophenolate and Methylprednisolone),<br />
antiviral (gancyclovir), antiprotozoal, antibacterial and antifungal (fluconazole). 5 ml of blood was<br />
drawn in plain vacutainer from the post LTx patients every day <strong>for</strong> 15 days and LFT and GGT was done.<br />
Routinely per<strong>for</strong>med liver function tests correlates well with clinical complications involving liver in the<br />
transplant patients. Instead of daily testing, may be alternate day analysis of LFT should be sufficient <strong>for</strong><br />
effective monitoring of patients. The total protein and albumin and the transaminases offer little help in<br />
monitoring LFT post LTx.<br />
The elevated levels of serum GGT and ALP may be related to chronic immune damage to the<br />
transplanted liver. Serum GGT and ALP can be used as early markers <strong>for</strong> diagnosing biliary<br />
complications and can be used to asses adequacy of endoscopic treatment in the group of patients<br />
presenting early. Thus, most of the problems can be satisfactorily assed with a panel of routine LFTs<br />
generated quickly, cheaply on analyzer which operates 24 hrs each day. However, it must be emphasized<br />
that LFTs may identify the presence of problems but not the problem itself and the abnormal results are<br />
meaningful only when correlated with other clinical in<strong>for</strong>mation.<br />
- 19 -
FO 6<br />
The Analysis on the familial tendency of Transferrin Saturation (TS) in Korean<br />
Families Based on The Fifth Korea National Health and Nutrition Examination<br />
Survey (KNHNES, V-1) 2010<br />
Sung-Hee Oh, So-Young Kim, Woochang Lee, Sail Chun, and Won-Ki Min*<br />
Department of Laboratory Medicine, Asan Medical Center and University of Ulsan College of Medicine,<br />
Korea<br />
Background TS is an index used to screen hereditary hemochromatosis (HH), a disease characterized<br />
by the deposition of excessive amounts of iron in parenchymal cells. Despite very low incidences of<br />
C282Y and H63D mutations, well-known common genetic causes of HH, some studies showed higher<br />
TS level in Koreans compared with those of Caucasians. This study aims to compare TS level between<br />
Korean population and the U.S. Caucasian by using the data of KNHANES V-1 and National Health and<br />
Nutrition Examination Survey (NHANES), 2001-2002. In addition, we tried to assess the existence of a<br />
familial tendency in Korean’s TS level by statistical analysis of parents’ and children’s TS value.<br />
Methods Among 8958 KNHANES V-1 subjects, those without anemia and hepatitis B antigen were<br />
enrolled in this study. The age distribution of 2946 males was 10-91 years old (mean±SD, 43.3±19.3)<br />
and 10-93 years old <strong>for</strong> 3243 females (44.6±18.6). 557 families with at least one child were included <strong>for</strong><br />
an analysis <strong>for</strong> familial tendency and total number of subjects within them was 1907.Each parent was<br />
grouped into four quartiles (designated as 1, 2, 3 and 4) based on his or her TS levels and then the mean<br />
of paternal and maternal TS four quartile indices (MTQI) were calculated and used <strong>for</strong> further analysis.<br />
Their offspring’s mean TS levels (OMTL) among each MTQI group were compared using one-way<br />
analysis of variance and post-hoc multiple comparison to show the statistical differences. NHANES<br />
2001-2002 was used to evaluate the mean TS level in Caucasian and unpaired student t-test was<br />
per<strong>for</strong>med to assess the statistical difference. We considered a p-value
Advanced Technical Seminar<br />
Sekisui Medical Co., Ltd.<br />
Innovative Molecular Biomarkers in thrombus Formation<br />
Siemens Japan K.K.<br />
The clinical significance and measuring method of<br />
albuminuria<br />
Sysmex Corporation<br />
The Diagnosis and Treatment of Leukemia: A look into the<br />
future<br />
Beckman-Coulter Inc.<br />
Establishment of Reference Intervals: Still a Challenging<br />
Issue!<br />
Denka-Seiken Co., Ltd.<br />
Small Dense LDL-Cholesterol and Risk <strong>for</strong> CHD<br />
Roche Diagnostics K.K.<br />
From diagnosis to personalized medicine: comprehensive<br />
approaches <strong>for</strong> patient care<br />
Abbott Japan Co., Ltd.<br />
Scientific Innovation Seminar<br />
‘Infectious Diseases’<br />
- 21 -
Innovative Molecular Biomarkers in thrombus<br />
Formation (Sekisui Medical)<br />
FDP and D-dimer: How we use them in various clinical situations<br />
Mitsuhiro Uchiba<br />
Department of Blood Transfusion and Cell Therapy, Kumamoto University Hospital Chuoku Honjo<br />
1-1-1 Kumamoto, Japan<br />
Fibrin degradation product (FDP) and D-dimer are important molecular marker of coagulation and<br />
fibrinolysis, and are generated from fibrin by plasmin. Thrombin, an end product of coagulation cascade,<br />
releases fibrinopeptide from fibrinogen and thereby produces fibrin monomer. Fibrin monomers<br />
aggregate each other, and finally <strong>for</strong>m unstable fibrin. After generation of unstable fibrin, D-domain of<br />
fibrin molecules are covalently cross-linked each other by coagulation factor XIII. Finally, stable fibrin<br />
is generated. Plasmin potentially degrades any types of fibrin described above. As D-dimer is generated<br />
only from cross-linked fibrin, increasing D-dimers indicates presence of stable fibrin and its degradation<br />
by plasmin, and is useful <strong>for</strong> diagnosis of deep vein thrombosis (DVT). However, D-dimers are<br />
generated from any types of stable fibrin including fibrin in hemostasis thrombi on wound and in ascites.<br />
There<strong>for</strong>e, D-dimers are used as rule out marker <strong>for</strong> DVT. In contrast, FDPs are generated any type of<br />
fibrin including fibrin monomer and unstable fibrin. There<strong>for</strong>e, FDP sensitively responses in fibrin<br />
<strong>for</strong>mation and fibrinolysis. Also FDP increases early phase of activation of coagulation without or<br />
slightly increase in D-dimer. FDP is a useful marker <strong>for</strong> diagnosis of DIC. FDP, but not D-dimer, is<br />
potentially produced from fibrinogen. FDP increases in fibrinogenolytic condition resulting uncontrolled<br />
fibrinolysis situation.<br />
- 22 -
Measurement of Albuminuria (Siemens<br />
Healthcare)<br />
The clinical significance and measuring method of albuminuria<br />
Tsuneo Konta<br />
Department of Cardiology, Pulmonology, and Nephrology, Yamagata University School of Medicine<br />
In Japan, a number of dialysis patient keeps rising continuously, reaching more than 300,000 this year.<br />
Although diabetic renal disease alone accounts <strong>for</strong> more than 40% of the total primary disease <strong>for</strong><br />
dialysis, the early detection and prompt therapy can suppress the progress of the disease.<br />
The early stage of diabetic nephropathy does not cause any certain symptoms except moderate increase<br />
of urinary albumin excretion (“microalbuminuria”). If untreated, it can progress into macroalbuminuria,<br />
irreversibly damage the kidney and eventually lead into end-stage renal failure. Thus, the early detection<br />
of nephropathy by monitoring urinary albumin excretion is essential to treat diabetic patients.<br />
In recent years, microalbuminuria is known to exist in the majority of hypertensive patients, besides<br />
diabetic patients. Furthermore, the presence of microalbuminuria is closely correlated with the incident<br />
of cardiovascular diseases; and the decrease of urinary albumin excretion can abate these risks.<br />
However, urinary albumin is not measured adequately, even <strong>for</strong> diabetes patients, because it takes time<br />
to analyze and the frequency of its measurement is limited in Japan. Moreover, the urinary albumin<br />
concentration can be affected by body position and fluid intake. To diagnose albuminuria correctly, it is<br />
recommended to measure both albumin and creatinine levels in morning urine sample.<br />
In June 2012, a new CKD treatment guide 2012 is launched by the Japanese Society of Nephrology,<br />
recommending the use of urinary albumin/creatinine ratio <strong>for</strong> diabetic patients and urinary<br />
protein/creatinine ratio <strong>for</strong> nondiabetic patients <strong>for</strong> CKD classification. In both cases, the correction by<br />
urinary creatinine is essential to alleviate the urinary concentration.<br />
At this seminar, the clinical data will be presented, including the association between urinary albumin,<br />
kidney disease, and cardiovascular disease, and the importance of creatinine modification <strong>for</strong> the<br />
accurate evaluation of urinary albumin excretion; based on Japanese patients.<br />
- 23 -
The Diagnosis and Treatment of Leukemia: A<br />
look into the future(Sysmex)<br />
1. The Current Status of the Diagnosis and Classification of Hematopoietic Malignancies<br />
A . Aziz Baba<br />
Stem Cell Transplantation and Clinical Haematology Unit, School of Medical Sciences, Universiti Sains<br />
Malaysia, USM-Health Campus, 16150 Kubang Kerian Kelantan, Malaysia<br />
2. Challenges of Cytogenetics &FISH Diagnosis in Leukaemias and Lymphomas<br />
Tien Sim Leng<br />
Department of Haematology and SGH Blood Bank & Cytogenetics Department of Pathology Singapore<br />
General Hospital, Outram Road, Singapore 169608<br />
3. The Latest Topic of Stem Cell Transplantation <strong>for</strong> Leukemia and its Development in the Future in<br />
Taiwan<br />
Jih-Luh Tang<br />
TaiCheng Stem Cell Therapy Center, National Taiwan University Hospital, 10002 No.7,<br />
ZhongShan South Road, Taipei, Taiwan<br />
- 24 -
The current status of the diagnosis and classification of hematopoietic malignancies<br />
A . Aziz Baba<br />
Stem Cell Transplantation and Clinical Haematology Unit, School of Medical Sciences, Universiti Sains<br />
Malaysia, USM-Health Campus, 16150 Kubang Kerian Kelantan, Malaysia<br />
The hematopoietic malignancies are a diverse group of disease entities that include the lymphomas,<br />
leukemias, myeloproliferative neoplasms, myelodysplastic syndromes, plasma cell dyscrasias,<br />
histiocytic and mast cell neoplasms. Over the years multiple classification systems have been employed<br />
to provide reliable criteria in their diagnosis and their classification into clinically relevant disease<br />
entities. Earlier systems were predominantly based on cellular morphology and tissue architecture.<br />
Increased knowledge and understanding of the genetic and molecular basis of these disorders has led to<br />
continuous reassessment and refinement of the classification with incorporation of cytogenetic and<br />
molecular genetic analyses as part of the diagnostic criteria. In this talk I will discuss changes and<br />
issues regarding the revised World Health Organisation (WHO) classification of hematopoietic and<br />
lymphoid neoplasms. The integration of molecular in<strong>for</strong>mation together with morphology,<br />
immunophenotype and clinical in<strong>for</strong>mation has helped to further refine the WHO classification and<br />
improve its prognostic value. Illustrative examples, with an emphasis on the myeloid neoplasms will<br />
be presented.<br />
- 25 -
Challenges of Cytogenetics &FISH Diagnosis in Leukaemias and Lymphomas<br />
Tien Sim Leng<br />
Department of Haematology and SGH Blood Bank & Cytogenetics Department of Pathology Singapore<br />
General Hospital, Outram Road, Singapore 169608<br />
All human DNAs including the genes are neatly packed into 46 chromosomes, 22 pairs of autosomal<br />
chromosomes and one pair of sex chromosomes. Cytogenetics is a branch of genetics that is concerned<br />
with the study of chromosomes. When combined with molecular techniques such as Fluorescence in-situ<br />
Hybridization (FISH), cytogenetic analysis has widespread clinical applications in the diagnosis of<br />
leukaemias and lymphomas.<br />
Cytogenetic studies and FISH are now offered as a standard of care in the diagnosis of patients with<br />
leukaemia and lymphoma. However, there are challenges with the use of these two diagnostic tools and<br />
their limitations will be discussed. Improved processes and techniques including slide dryer chamber<br />
and metaphase finder are employed to enhance the efficiency and to improve turn-around times.<br />
In leukaemias and lymphomas, cytogenetic study plays a significant role in the detection of abnormal<br />
neoplastic clones, classification of malignant disorders, prediction of disease progression, monitoring<br />
response to treatment, detection of minimal residual disease and institution of targeted therapy, notably<br />
chronic myeloid leukaemia (CML). Molecular targeted drugs and the treatment outcome in CML will be<br />
illustrated. Various recurring chromosomal aberrations in acute and chronic leukaemias as well as<br />
lymphomas have been found. In bone marrow or stem cell transplantation, cytogenetic is used to<br />
determine engraftment or chimerism and to assess disease remission or relapse. FISH strategies using<br />
various fluorescent-labeled DNA probes including FISH panel testing enhance the usefulness of<br />
cytogenetic analysis of leukaemias and lymphomas. Other strategies include comparative genomic<br />
hybridization (CGH) arrays and multi-colour FISH (M-FISH).<br />
Any new discovery of more specific genes and recurring chromosomal aberrations in leukaemias and<br />
lymphomas in conjunction with the availability of targeted FISH probes will enhance the diagnosis of<br />
leukaemias and lymphomas which may lead to better risk stratification and more concise molecular<br />
targeted therapy in future.<br />
- 26 -
Establishment of Reference Intervals: Still a<br />
Challenging Issue! (Beckman Coulter)<br />
Kiyoshi Ichihara and Jeong-Ho Kim (Chairpersons)<br />
1) What is an optimal protocol <strong>for</strong> the IFCC global study on reference values?<br />
Kiyoshi Ichihara, MD & PhD (Japan)<br />
2) Controversies over statistical methods <strong>for</strong> derivation of reference intervals.<br />
Swarup A Shah, PhD, and Tester F Ashavaid, PhD (India)<br />
3) Analytical issues in conducting the multicenter studies on reference values.<br />
Kiyohide Ishikura, PhD (Japan)<br />
4) Age-specific reference intervals: derivation <strong>for</strong> pediatric population from the hospital in<strong>for</strong>mation<br />
system.<br />
Jeong-Ho Kim, MD & PhD (Republic of Korea)<br />
Although global ef<strong>for</strong>t led to standardization of many of the common laboratory tests, their reference<br />
intervals (RI) remain widely variable amongst laboratories. This reflects difficulty in deriving RIs by<br />
individual laboratories and highlights the necessity of deriving it collaboratively <strong>for</strong> common use. The<br />
guidelines used <strong>for</strong> defining, establishing and verifying RIs are available, which was published by CLSI<br />
in collaboration with IFCC. There is a strong global need <strong>for</strong> establishment of proper RIs <strong>for</strong> common<br />
use by conducting multicenter studies. However, there remain controversies on various aspects of<br />
conducting the study.<br />
In this symposium, Prof. Ichihara presents the common protocol <strong>for</strong> the global multicenter study on<br />
RIs, which is proposed as well as currently being conducted by Committee on Reference Intervals and<br />
Decision Limits (C-RIDL) of IFCC. In order to validate the protocol, the following aspects will be<br />
discussed: 1) criteria <strong>for</strong> recruitment of healthy volunteers, 2) ways of controlling pre-analytical<br />
variables, 3) harmonization of results across collaborating countries based on common measurements of<br />
a panel of sera, 4) methods <strong>for</strong> secondary (posteriori) exclusion based on test results, 5) transference of<br />
the established RIs based on a “mini panel” of sera.<br />
Dr. Ishikura, a member of C-RIDL, will present an overview about the feasibility of the panel-of-sera<br />
strategy in harmonizing results worldwide, and will also discuss the possible use of mini-panel in the<br />
transference of established RIs.<br />
Dr. Shah and Dr. Ashavaid will talk on the controversies over the use of parametric or nonparametric<br />
computation of RIs and secondary exclusion of individuals after obtaining testing results. The issues<br />
based on the simulation study will also be discussed.<br />
Prof. Kim will talk about the difficulty in establishing RIs <strong>for</strong> the pediatric, and geriatric population.<br />
He will review the issue in the literature and will present his approach in selecting appropriate reference<br />
individuals from large hospital records <strong>for</strong> deriving the pediatric RIs,<br />
With this overview, we would like to rationally discuss the optimal ways of establishing the RIs at the<br />
- 27 -
end of the session.<br />
Establishing pediatric reference interval <strong>for</strong> 13 clinical chemistry tests derived from<br />
normal subjects in the pediatric endocrinology clinic in Korea<br />
Jeong-Ho Kim 1) , Sun-Mi Cho 1) , Youkyung Seo 1) , Ho Seong Kim 2) , Woonhyoung Lee 1) , Oh Hun<br />
Kwon 1) , *<br />
Departments of Laboratory Medicine 1) and Pediatrics 2) , Severance hospital, Yonsei<br />
University College of Medicine, Korea<br />
Background: Defining pediatric reference intervals is one of the most difficult tasks <strong>for</strong> laboratory<br />
physicians. The continuously changing physiology of growing children makes their laboratory values<br />
moving targets. In addition, ethnic and behavioral differences may also cause variations. Age- and sexspecific<br />
partitioned reference intervals of 13 serum biochemical analytes in Korean children were<br />
presented.<br />
Methods: A total of 2,474 patients, girls from 2 to 14 years and boys from 2 to 16 years, tested in a<br />
short stature workup but diagnosed as normal at the pediatric endocrinology clinic of Severance<br />
Hospital from Sep 2010 to Jun 2012 were included in this study. Calcium, inorganic phosphorus, blood<br />
urea nitrogen (BUN), creatinine, uric acid, glucose, total cholesterol, total protein, albumin, alkaline<br />
phosphatase (ALP), aspartic aminotransferase (AST), alanine aminotransferase (ALT), total bilirubin<br />
test were per<strong>for</strong>med on Hitachi 7600 analyzer (Hitachi High-Technologies, Tokyo, Japan). Partitionings<br />
<strong>for</strong> gender or age group were per<strong>for</strong>med by ANOVA, Mann Whitney test, Harris and Boyd method<br />
(Clin Chem 1990;36:265-70), and Lahti criteria (Clin Chem 2004;50:891-900).<br />
Results: Age specific partitioned reference intervals <strong>for</strong> ALP, creatinine, and total bilirubin in both<br />
genders could be established. In addition, age specific partitioning of AST in female and total protein<br />
and uric acid in male was required. However, age or gender partitioning of calcium and albumin in<br />
children was not required.<br />
Conclusions: Age and gender specific partitioned pediatric reference intervals of 13 clinical chemistry<br />
assays derived from Korean healthy children per<strong>for</strong>med in pediatric endocrinology clinic could be<br />
established.<br />
- 28 -
Innovative Lipid Biomarkers (Denka Seiken Co.)<br />
Small Dense LDL-Cholesterol and Risk <strong>for</strong> Coronary Heart Disease: Recent<br />
Findings from the Atherosclerosis Risk in Communities (ARIC) Study<br />
Ron C. Hoogeveen, Ph.D., Assistant Professor<br />
Section of Atherosclerosis and Vascular Medicine, Department of Medicine, Baylor College of Medicine<br />
and Center <strong>for</strong> Cardiovascular Disease Prevention, Methodist DeBakey Heart and Vascular Center,<br />
Houston, TX<br />
Background- Evidence from in vitro studies indicates that small dense LDL (sd-LDL) is more<br />
atherogenic than large buoyant LDL (lb-LDL). Furthermore, circulating levels of sd-LDL are highly<br />
correlated with triglycerides and are increased in individuals with an atherogenic lipoprotein profile<br />
such as patients with diabetes and metabolic syndrome. Previously, sd-LDL has been associated with<br />
risk <strong>for</strong> vascular disease. However, the lack of a standardized sd-LDL assay which can be per<strong>for</strong>med in<br />
routine clinical laboratories has hampered its clinical application.<br />
Objectives- We recently examined the relationship between plasma sd-LDL-cholesterol (sd-LDL-C)<br />
level and risk <strong>for</strong> incident coronary heart disease (CHD) and stroke in the ARIC cohort.<br />
Methods- Plasma sd-LDL-C was measured in 11,419 men and women of the biracial ARIC study using<br />
a newly developed automated homogeneous assay. A proportional hazards model was used to examine<br />
the relationship between sd-LDL-C, vascular risk factors, and risk <strong>for</strong> CHD events and stroke over a<br />
period of ≈10 years.<br />
Results- Mean plasma sd-LDL-C was higher in Caucasians than in African Americans (45.2 vs. 37.4<br />
mg/dL, p
From diagnosis to personalized medicine:<br />
comprehensive approaches <strong>for</strong> patient care<br />
(Roche Diagnostics)<br />
Yasuhito Tanaka (Chairperson)<br />
Professor,Director<br />
Department of Virology & Liver Unit, Crinical Laboratory<br />
Nagoya City University Graduate School of Medical Sciences<br />
(Speakers)<br />
Reinhard Bertele (Roche Diagnostics K.K.)<br />
Chris Newhouse (Roche Diagnostics K.K.)<br />
Shigehisa Nagahashi (Roche Diagnostics K.K.)<br />
The field of diagnostics is evolving from simply providing tools <strong>for</strong> disease diagnosis, to also providing<br />
tools <strong>for</strong> personalized medicine. Roche has an industry leading portfolio, which utilizes many<br />
technologies to support disease diagnosis, monitoring, and therapy guidance as well as treatment options.<br />
We would like share with you some insight into some of the new tools we have developed <strong>for</strong><br />
physicians to manage patient care in the areas of infectious diseases and oncology and which are<br />
currently in focus in the medical community. This seminar will cover recent advances in the fields of<br />
Immunochemistry, Nucleic Acid Testing, and Automated Tissue Diagnostics.<br />
Roche has developed a comprehensive panel of immunoassays, coupled with nucleic acid tests which<br />
cover a wide variety of applications such as screening, diagnosis of acute and chronic infection and<br />
therapy monitoring. In addition, in the field of oncology, there are many new tools which analyze the<br />
disease status within tissue samples. All of these examples bring us step-by-step closer to having truly<br />
personalized medicines.<br />
Many of the above tools come together as part of Roche’s leading ef<strong>for</strong>ts in the development of<br />
diagnostic tests along with innovative drugs to realize the dream of personalized healthcare. Roche<br />
continues to improve our tests and to expand the portfolio <strong>for</strong> different clinical settings, maintaining our<br />
global leadership. Roche continues to invest in many exciting activities on our continuous path to<br />
innovate healthcare.<br />
- 30 -
Scientific Innovation Seminar (Abbott<br />
Diagnostics)<br />
1. Meeting the Challenge of HIV Diversity and Application of Metagenomic-Based Technologies<br />
<strong>for</strong> Virus Discovery<br />
John R Hackett, Jr., Ph.D.<br />
Abbott Laboratories, 100 Abbott Park Road, D-09GN, Bldg. AP20, Abbott Park, IL 60064-3500<br />
USA<br />
2. PLEX-ID Technology as a Single Tool <strong>for</strong> the Detection and Typing of Microbiological<br />
Infections in Immuno-Compromised Patients<br />
Jérôme Le Goff 1 , Linda Feghoul 1 , Jean Menotti 1 , Jean Luc Donay 1 , Séverine Mercier-Delarue 1 ,<br />
Jean Louis Pons 1 , Marcus Picard-Maureau² and François Simon 1<br />
1- Université Paris-Diderot, Hôpital Saint-Louis, Paris, France<br />
2- Abbott Ibis Biosciences, 65205 Wiesbaden, Germany<br />
- 31 -
Meeting the Challenge of HIV Diversity and Application of Metagenomic-Based<br />
Technologies <strong>for</strong> Virus Discovery<br />
John R Hackett, Jr., Ph.D.<br />
Abbott Laboratories, 100 Abbott Park Road, D-09GN, Bldg. AP20, Abbott Park, IL 60064-3500 USA<br />
The high level of genetic diversity characteristic of Human Immunodeficiency Virus Type 1 (HIV-1) has<br />
significant implications <strong>for</strong> diagnosis, screening, vaccine development, and patient monitoring.<br />
Phylogenetic analysis has revealed four distinct lineages or groups of HIV-1, designated as groups M, N,<br />
O and P. Group M strains are further subdivided into subtypes A-D, F-H, J and K. For env, sequence<br />
differences between subtypes and groups of HIV-1 range from 15-25% to 50%, respectively.<br />
Recombination greatly increases overall diversity. Currently, more than 51 circulating recombinant<br />
<strong>for</strong>ms and a myriad of unique recombinant <strong>for</strong>ms have been identified; recombinant strains constitute<br />
>20% of worldwide HIV-1 infections. Recognizing the implications of HIV-1 diversity, the Abbott<br />
HIV-1 Global Surveillance <strong>Program</strong> was established. Goals of this comprehensive program include:<br />
monitoring global diversification of HIV-1, identifying newly emerging variants, and development of<br />
panels of genetically and geographically diverse specimens. Studies advancing our understanding of<br />
HIV-1 diversity will be presented. Globalization, growing numbers of immunocompromised patients,<br />
and environmental changes have fueled a need <strong>for</strong> techniques to detect novel or previously unrecognized<br />
pathogens. Recent advances in metagenomic technologies have trans<strong>for</strong>med virus discovery. The<br />
UCSF-Abbott Viral Diagnostics and Discovery Center represents one of few laboratories in the world<br />
that leverages both pan-viral DNA microarrays (Virochip) and high-throughput sequencing <strong>for</strong> viral<br />
discovery and screening. Both technologies offer a unique opportunity to screen in a non-biased<br />
manner <strong>for</strong> all known viruses as well as <strong>for</strong> unknown viruses. Recent advances in application of these<br />
metagenomic tools will be discussed. Advancement of these technologies offers unprecedented<br />
opportunities <strong>for</strong> pathogen discovery and diagnostics.<br />
- 32 -
PLEX-ID Technology as a Single Tool <strong>for</strong> the Detection and Typing of Microbiological<br />
Infections in Immuno-Compromised Patients<br />
Jérôme Le Goff 1 , Linda Feghoul 1 , Jean Menotti 1 , Jean Luc Donay 1 , Séverine Mercier-Delarue 1 ,<br />
Jean Louis Pons 1 , Marcus Picard-Maureau² and François Simon 1<br />
1- Université Paris-Diderot, Hôpital Saint-Louis, Paris, France<br />
2- Abbott Ibis Biosciences, 65205 Wiesbaden, Germany<br />
Introduction : the PLEX-ID technology (Abbott Ibis Biosciences), combining broad-range multiwell<br />
PCR and mass spectrometry enables the detection and identification of a large spectrum of pathogens in<br />
a single test. The PLEX-ID analysis is based on a broad multiwell PCR followed by an electrospray<br />
ionization of the generated amplicons to analyse their time of flight by mass spectrometry. The weight<br />
of the amplicons allows to determine their base compositions. The PLEX-ID technology allows to<br />
identify large a variety of pathogens from various sample types (blood, plasma, biopsy, CSF, BAL..) in a<br />
few hours, enabling the resolution of mixtures and according to the assay, a high resolution in<br />
genotyping. A large panel of assays is available, from public health and biothreat to medical diagnostics.<br />
That integrated solution allows the analysis of up to 15 x 96-well plates over 12 hours <strong>for</strong> a total<br />
throughput of up to 250 samples per day.<br />
We evaluated in our university hospital, specialized in Hematopoietic stem cells (HSC) and kidney<br />
transplants, the per<strong>for</strong>mances and reliability of the PLEX-ID technology.<br />
Objectives : to compare the accuracy and the rate of infections detected by PLEX-ID clinical assays and<br />
routine standard methods and to compare the turnaround times of both procedures.<br />
Methods : We evaluated 3 different clinical PLEX-ID assays <strong>for</strong> medical microbiology.<br />
- The Viral IC assay detects 174 RNA and DNA viruses species and 2611 subspecies. We first analyzed<br />
275 frozen samples from 54 children and 11 adults infected with Adv (245) and from non-infected<br />
patients (30). In a second study, we parallelized the routine vs PLEX-ID in 79 fresh samples from HSC<br />
and kidney transplants.<br />
- The BAC Detection assay identifies 6026 species of bacteria and Candida and 4 antibiotic<br />
resistance markers ( kpc, mec A, van A, van B). Peripheral blood and catheter sampling were tested in<br />
BACT Alert blood culture (bioMérieux) and PLEX-ID. Preliminary study included 48 samples from<br />
adult patients.<br />
- The Broad Fungal assay identifies 2108 species. Fresh broncho-alveolar lavages and nasopharyngal<br />
aspirates from 25 patients were compared between fungal culture and PLEX-ID analysis.<br />
Additional samples collected from patients with undiagnosed fever were included in the BAC and<br />
Fungal studies.<br />
Results : All the negative PLEX-ID results in clinical samples were negative in the routine procedure<br />
considered as the gold standard, pointing the excellent PLEX-ID negative predictive value. A high<br />
negative predictive value was also observed with stored plasma samples in Viral IC assay.<br />
- Viral IC assay in Adenovirus-infected patients: ADV was detected in 96.4% of ADV positive stored<br />
plasma. The accuracy <strong>for</strong> species identification was 0.985. Out of 29 routine-negative samples collected<br />
from known ADV infected patients, 7 were positive with PLEX-ID. Viral loads determined with<br />
- 33 -
Adenovirus R-gene were correlated with PLEX-ID levels up to 6 log10 copies/ml (r²=0.67, p
POSTER SESSION<br />
1. Clinical Chemistry (PC 1-PC 21)<br />
Midori Masuda (Chairperson)<br />
No. 1. Tacrolimus in Adult Renal Transplant Recipients<br />
Pradeep Naik, Mallikarjuna Madhavarapu<br />
Department of Clinical Biochemistry, Global Hospitals, Lakdikapool, Hyderabad-500004, India<br />
No. 2. Soluble FcγRIIIa Mφ levels in plasma correlate with maximum plaque diameter in patients<br />
examined with carotid arterial echography<br />
Midori Masuda 1 , Keiko Kouno 2 , Noriko Nishimura 1 , Hiroya Masaki 1 , Toyohiko Yokoi 1 , Masamichi<br />
Yoshika 1 , Yutaka Komiyama 1 , Toshiji Iwasaka 2 , and Hakuo Takahashi 1<br />
Departments of 1 Clinical Sciences and Laboratory Medicine, and 2 Medicine II, Kansai Medical<br />
University, Osaka, Japan<br />
No. 3. The Role of S100B Protein and GFAP in Predicting Discharged NIHSS of Anterior Circulation<br />
Ischemic Stroke<br />
Yenny Surjawan, Suryani As’ad, Teguh A.S Ranakusuma, Andi Wijaya<br />
Medical Faculty of Hasanuddin University, Indonesia<br />
No. 4. Detection of hereditary abnormality of phenylalanine metabolism using microbiologic method<br />
E.Shuree 1 , G.Oyungerel 2 , N. Munkhtuvshin 2<br />
1<br />
Oyushur Laboratory, Ulaanbaatar, Mongolia<br />
2<br />
Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
Hitoshi Chiba (Chairperson)<br />
No. 5. External quality assessment schemes <strong>for</strong> Clinical Chemistry in Mongolia<br />
G.Oyungerel 1 , Ya Amarjargal 2 , N.Munkhtuvshin 1<br />
1<br />
Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
2<br />
Dept. Medical Care Policy Implementation and Coordination, MOH, Mongolia<br />
No. 6. Analysis of cholesteryl ester hydroperoxides in oxidized lipoprotein by Use of an Orbitrap<br />
LC-MS<br />
Shu-Ping Hui 1 , Toshihiro Sakurai 1 , Futaba Ohkawa 1 , Hiroaki Furumaki 1 , Shigeki Jin 1 , Hirotoshi<br />
Fuda 1 , Seiji Takeda 1 , Takao Kurosawa 2 , Hitoshi Chiba 1<br />
- 35 -
1 Faculty of Health Sciences, Hokkaido University, Kita-12, Nishi-5, Sapporo 060-0812, Japan 2<br />
Faculty of Pharmaceutical Sciences, Health Sciences University of Hokkaido, Ishikari-Tobetsu,<br />
Hokkaido 061-0293, Japan<br />
No. 7. An approach to chemical education at medical technologist training institutions in Japan<br />
Hidetusgu Kohzaki<br />
Department of Cell Biology, Institute <strong>for</strong> Virus Research, Kyoto University, Japan<br />
No. 8. Development of the enzymatic method of serum ethanolamine and examination of its clinical<br />
utility<br />
E. Ohta (1) , E.Hokazono (1) , M.Ono (2) , T.Hotta (2) , S.Osawa (3) , Y.Kayamori (1)<br />
1 Division of Medical Technology, Department of Health Sciences, Graduate school of Medicine,<br />
Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Japan<br />
2 Department of Clinical Chemistry and Laboratory Medicine, Kyushu University Hospital, 3-1-1<br />
Maidashi, Higashi-ku, Fukuoka City, Japan 3 Division of Clinical Laboratory Science, Department<br />
of Medical Risk And Crisis Management, Chiba Institute of Science, 15-8 Shiomi-cho, Choshi,<br />
Chiba, Japan<br />
Masaharu Yamazaki (Chairperson)<br />
No. 9. Establishment of enzyme-linked immunosorbent assay <strong>for</strong> urinary Tamm-Horsfall protein<br />
Aki Nakayama 1 , Ryo Kubota 2 , Minoru Sakatsume 3 , Shiro Iijima 1,4 , Kiyoko Shiba 4<br />
1. Faculty of Health Science Technology, Bunkyo Gakuin University, Japan<br />
2. Department of Health Sciences, Saitama Prefectural University, Japan<br />
3. Division of Clinical Nephrology and Rheumatology, Graduate School of Medical and Dental<br />
Sciences, Niigata University, Japan, Graduate School of Health Care Science, Bunkyo Gakuin<br />
University, Japan<br />
No. 10. Direct analysis of chemical substances in biofluids without sample pretreatment<br />
Ritsuko Wakayama 1 , Yasushi Iwasaki 1 , Motoaki Kamachi 1 , Natsumi Sawa 2 , Katsuko Hara 2 , Yutaka<br />
Komiyama 2<br />
1 Showa Denko K.K, Japan, 2 Department of Clinical Sciences and Laboratory Medicine, Kansai<br />
Medical University Takii hospital, Japan<br />
No. 11. Indoxyl Sulfate is an Independent Risk Factor <strong>for</strong> Coronary Heart Disease in Patients with<br />
Chronic Kidney Disease<br />
Ippei Watanabe 1 , Shunji Namba 2 , Yuko Okuda 2 , Akiko Morimoto 2 , Tetsumi Kojima 2 , Masanari<br />
Sano 2 , Toshisuke Morita 1<br />
1. Deartment of Laboratory Medicine Graduate School of Medicine Toho University, Japan<br />
2. Clinical Laboratory Toho University Omori Medical Center, Japan<br />
No. 12. Reference value <strong>for</strong> serum folic acid level in Japanese adults<br />
- 36 -
Naoko Yamaguchi, Tomohiro Takeda, Chizuko Kuramoto, Takao Uchiike, Masaharu Yamazaki, and<br />
Yasuyuki Okamoto<br />
Central Clinical Laboratories, Nara Medical University, Japan<br />
Konen Obayashi (Chairperson)<br />
No. 13. Effects of alpha lipoic acid as an antioxidant in preventing renal mitochondrial oxidative<br />
damage in diabetic rats<br />
Noraihan Mat Harun, Rahajoe Imam Santosa<br />
Department of Basic Medical Sciences, Kulliyyah of Medicine, International Islamic University,<br />
Malaysia, Kuantan-Malaysia<br />
No. 14. Detection of autoantibodies against ATTR in patients with FAP ATTR V30M<br />
Konen Obayashi 1 , Masayoshi Tasaki 2 , Satoru Shinriki 1 , Genki Suenaga 2 and Yukio Ando 2<br />
1<br />
Diagnostic Unit <strong>for</strong> Amyloidosis, Department of Laboratory Medicine, Kumamoto University<br />
Hospital, and 2 Department of Neurology, Graduate School of Medical Sciences, Kumamoto<br />
University, Japan<br />
No. 15. Preparation of multi-purpose matrix-based material <strong>for</strong> laboratory service and investigation<br />
Sumiyoshi Naito 1 , Kazumi Akasaska 3 , Shuichi Kino 3 , Yutaka Tomoda 3 , Tadashi Matsubayashi 4 ,<br />
Nobuyuki Kubota 2 , Junichi Ando 5 , Shigemi Hosogaya 6 , Yoshihisa Itoh 1 .<br />
Asahikawa Medical University 1 , Eiken Chemical Co., Ltd. 2 , Asahikawa Medical University<br />
Hospital 3 , Nissui Pharmaceutical Co., Ltd. 4 , SRL, Inc. 5 , Kagawa Prefectural University of Health<br />
Sciences 6 , Japan<br />
No. 16. Temporal changes in estimated glomerular filtration rate (delta eGFR) may be a predictor of<br />
progression to coronary heart disease<br />
So-Young Kim, Tae-Dong Jeong, Woochang Lee, Sail Chun, Won-Ki Min*<br />
Department of Laboratory Medicine, Asan Medical Center and University of Ulsan College of<br />
Medicine, Seoul, Korea<br />
Hitoshi Ikeda (Chairperson)<br />
No. 17. Development of C-reactive protein assay <strong>for</strong> human saliva<br />
Yumi Narita, Taku Shirakawa<br />
Department of Biophysics, Graduate School of Health Sciences, Kobe University, Japan<br />
No. 18. IODINE STATUS AMONG THE SCHOOL CHILDREN OF HILLY AND PLAIN REGION<br />
OF EASTERN NEPAL<br />
Baral N 1 , Khatiwada S 1 , Shakya PR 1 , Sah GS 2 , Gelal B 1 , Das BKL, Lamsal M 1<br />
1 2<br />
Department of Biochemistry, Department of Pediatrics and Adolescent Medicine, B. P. Koirala<br />
- 37 -
Institute of Health Sciences, Dharan, Nepal<br />
No. 19. Lipid Profile In Menopausal women of Difference Parity and Basal Metabolic index status in<br />
South west, Nigeria.<br />
Adesina Adeyemi Adeleke; Ogunlewe Jayeola; Oyedeji Samuel<br />
Department of Chemical Pathology,OAUTHC,Ife,PMB5538,Osun-state,Nigeria<br />
No. 20. Plasma free Fatty Acid Levels In Normo and Hypertensive Pregnant women be<strong>for</strong>e and 72<br />
Hour after delivery in Osun-state Nigeria<br />
Adesina Adeyemi Adeleke; Oyedeji Samuel;Taiwo Funke<br />
Department of Chemical Pathology,OAUTHC,Ife,PMB5538,Osun-State,Nigeria<br />
No. 21. Lipid Peroxidation and Selected Non-Enzymatic Antioxidants in Sickle Cell Disease Patients in<br />
South West, Nigeria<br />
Adesina Adeyemi Adeleke; Oyedeji Samuel; Oladepo Ridwan; Oke Taiwo; Fasakin Kolawole<br />
Department Of Chemical Pathology, OAUTHC, Ife, PMB5538, Osun-State, Nigeria.<br />
Department of Heamatology and Blood Transfusion, OAUTHC, Ife, Osun-State, Nigeria<br />
2. Endocrinology (PE 1-PE 5)<br />
Kuniaki Saito (Chairperson)<br />
No. 22. Two-Step Biochemical Differential Diagnosis of Classic 21-hydroxylase Deficiency and<br />
Cytochrome P450 Oxidoreductase Deficiency in Japanese Infants Using Urinary Steroid<br />
Metabolites by Gas Chromatography - Mass Spectrometry<br />
Yuhei Koyama 1)2) , Keiko Homma 3) , Maki Fukami 4) , Masayuki Miwa 5) , Kazushige Ikeda 5) , Tsutomu<br />
Ogata 4) , Tomonobu Hasegawa 5) , Mitsuru Murata 1)<br />
1) Department of Laboratory Medicine, Keio University School of Medicine, 2) Mitsubishi<br />
Chemical Medience Co., 3) Central Clinical Laboratories, Keio University Hospital, 4) Department<br />
of Endocrinology and Metabolism, National Research Institute <strong>for</strong> Child Health and Development,<br />
5) Department of Pediatrics, Keio University School of Medicine, Japan<br />
No. 23. Total cholesterol/HDL cholesterol ratio and LDL cholesterol/Apo B ratio as risk factors <strong>for</strong><br />
cardiovascular disease in prediabetic of first-degree relatives from patients with type 2 diabetes<br />
mellitus.<br />
Bety Kus Rini Sari, Marzuki Suryaatmadja<br />
Department of Clinical Pathology, Medical Faculty, Universitas Indonesia<br />
No. 24. Adiponectin HMW Level and Homeostasis Model Assessment-Insulin Resistance (HOMA-IR)<br />
- 38 -
in Type 2 Diabetes Mellitus First Degree Relatives<br />
Yulia Sari, Marzuki Suryaatmadja, Budiman Darmowidjojo<br />
Department of Clinical Pathology, Medical Faculty, Universitas Indonesia<br />
No. 25. Age-related Anti-Müllerian hormone Concentrations in Healthy Korean Females<br />
Lee, A 1 ; Jang, TG 2 ; Lim, SY 2 ; Park, JC 2 ; Rhee, JH 2 ;Kim, YJ 1 ; Lee, KY 1<br />
Seoul Medical Science Institute/Seoul Clinical Laboratories, Seoul, Korea 1 , Department of<br />
Obstetrics and Gynecology, School of Medicine, Keimyung University, Daegu, Korea 2<br />
No. 26. Analysis of von Willebrand Factors’ Level in Type 2 Diabetes Mellitus<br />
Mansyur Arif 1 , Ichwan Meinardi 1 , Uleng Bahrun 1 , Harsinen Sanusi 2<br />
1 Department of Clinical Pathology, 2 Department of Internal Medicine, Faculty of Medicine<br />
Hasanuddin University, Makassar, Indonesia<br />
3. Immunology and Blood bank (PI 1 - PI-8)<br />
Seiji Kawano (Chairperson)<br />
No. 27. Combination of Anti-HCV Assay to Improve Per<strong>for</strong>mance of Hepatitis C Screening Test in<br />
Prodia National Reference Laboratory, Indonesia<br />
Romimatul Fadhilah, Yenny Surjawan, Indriyanti R. Sukmawati<br />
Prodia Clinical Laboratory, Indonesia<br />
No. 28. Diagnostic value of AFP-L3 and PIVKA-II in hepatocellular carcinoma according to the level<br />
of total-AFP<br />
Eun-Jee Oh 1 , Seung Won Jung 1 , Jong Young Choi 2 , Hee Yeon Kim 2 , Myungshin Kim 1 , Yonggoo<br />
Kim 1 , Dong Goo Kim 3<br />
Department of Laboratory Medicine 1 , Internal Medicine 2 and Surgery 3 , School of Medicine, The<br />
Catholic University of Korea, Korea<br />
No. 29. Development of ABO and Lewis typing by enzyme-linked immunosorbent assay <strong>for</strong> disaster<br />
Terutaka Sagawa and Mariko Okada<br />
Division of Biomedical Sciences, Institute of Medical Technology, Ehime Prefectural University Of<br />
Health Sciences, Japan<br />
No. 30. Evaluation of Hepatrio multiplex kit <strong>for</strong> early and simultaneous detection of hepatitis A, B and<br />
C<br />
Chi Hyun Cho, M.D. 1 , Sang Kyung Jo, M.D. 2 , Young Joo Kwon, M.D. 2 , Chae Seung Lim, M.D. 1<br />
and Yun Jung Cho, M.D. 1*<br />
- 39 -
1 Department of Laboratory Medicine, College of Medicine, Korea University, Seoul, Korea<br />
2 Department of Nephrology and Hypertension, College of Medicine, Korea University, Seoul,<br />
Korea<br />
No. 31. Impact of interleukin-29 on interferon alpha secretion of plasmacytoid dendritic cell<br />
Chi Hyun Cho, M.D. 1 , Chae Seung Lim, M.D. and Yun Jung Cho, M.D. 1*<br />
1 Department of Laboratory Medicine, College of Medicine, Korea University, Seoul, Korea<br />
Testuo Kubota (Chairperson)<br />
No. 32. Discrepancy between serologic and genotyping results of ‘Mi a ’ blood antigen and antiserum in<br />
Taiwan<br />
Chien-Feng Sun 1,2 , Tai-Di Chen 2 , Ding-Ping Chen 2<br />
1 Department of Anatomic Pathology, 2 Department of Laboratory Medicine, Linkou Medical Center,<br />
Chang Gung Memorial Hospital, Taoyuan, Taiwan<br />
No. 33. Immune response to MSP2 antigen of plasmodium falciparum in mamuji, west Sulawesi,<br />
Indonesia<br />
Nurhayana Sennang 1 , Dianawaty Amiruddin 2 , Bahrani 2 , Sitti Wahyuni 2 , Syafruddin 2,4 , Irawan<br />
Yusuf 3 , Stephen Rogerson 5<br />
1 2 3<br />
Clinical Pathology Department, Parasitology Department, Physiology Department, Faculty of<br />
Medicine, Hasanuddin University, Makassar, South Sulawesi, Indonesia; 4 Eijkman Institute, Jakarta,<br />
Indonesia; 5 Department of Medicine, University of Melbourne, Post Office Royal Melbourne<br />
Hospital, Melbourne, Victoria, Australia.<br />
No. 34. Inhibition of the NF-kappa B pathway as a candidate strategy <strong>for</strong> treatment of<br />
cryopyrin-associated periodic syndrome<br />
Satoka Takahashi<br />
Saitama Medical University, Japan<br />
4. Hematology (PH 1-PH 17)<br />
Mitsuhiro Uchiba (Chairperson)<br />
No. 35. Gene Diagnoses of Tumors of Hematopoietic Organs - Diagnosis of Leukemia by both<br />
Southern Method and PCR Method –<br />
Kazuhiro Kabe<br />
Business Department of Medical Technology, Laboratory of Medical Technology, Medic21<br />
Association, Japan<br />
- 40 -
No. 36. Identification of autoantibodies expressed in acquired aplastic anaemia<br />
Kageaki Kuribayashi 1,2 , Maki Goto 1 , Yusuke Takahashi 1,2 , Takashi Kondoh 1,2 , Maki Tanaka 1,2 ,<br />
Daisuke Kobayashi 1,2 , Naoki Watanabe 1,2,<br />
1 Department of Clinical Laboratory Medicine, Sapporo Medical University School of Medicine,<br />
Japan<br />
2 Division of Laboratory Diagnosis, Sapporo Medical University Hospital, Japan<br />
No. 37. Clinical significance of overexpressed serine-threonine tyrosine kinase 1 in leukemia<br />
Daisuke Kobayashi, Takashi Kondoh, Maki Tanaka, Kageaki Kuribayashi Naoki Watanabe<br />
Department of Clinical Laboratory Medicine, Sapporo Medical University, School of Medicine,<br />
Japan<br />
No. 38. Contribution of uncontrolled fibrinolysis to bleeding diathesis in aortic aneurysm<br />
Mitsuhiro Uchiba, Yuji Yonemura, Yukio Ando<br />
Department of Blood Transfusion and Cell Therapy, Kumamoto University Hospital Kumamoto,<br />
Japan<br />
Naotaka Hamasaki (Chairperson)<br />
No. 39. Aberrant DNA methylation of HOXA4 is associated with resistance to imatinib mesylate in<br />
chronic myeloid leukemia patients<br />
Ravindran Ankathil 1 , Marjanu Hikmah Elias 1 , Azlan H 2 , Sarina Sulong 1 , RoslineHassan 3 , Goh Ai<br />
Sim 4 , S Fadilah Abdul Wahid 5 , Abdul Aziz Baba 2 .<br />
1 2 3<br />
Human Genome Centre, Haemato-Oncology Unit, Department of Internal Medicine, Hematology<br />
Department, School of Medical Sciences, Health Campus, Universiti Sains Malaysia 4 Hospital<br />
Pulau Pinang, Malaysia, 5 Medicine Department & Cell Therapy Centre, UKM Medical Centre,<br />
Malaysia<br />
No. 40. Red Blood Cells absorb and store DARC-affinity chemokines<br />
Hiroyuki Kayaba 1) , Toshihiro Shiratori 1) , Yumiko Yamauti 3) , Norihiro Saito 2) , Junichi Chihara 3) ,<br />
Mihoko Kushibiki 1) , Hiroyuki Akimoto 1) , Shoji Tsutaya 1) , Keiya Kojima 1)<br />
Clinical Laboratory, Hirosaki University Hospital 1) , Yokote Municipal Hospital 2) , Japan<br />
Central Clinical Laboratory, Akita University Hospital 3) , Japan<br />
No. 41. Asian Thrombophilia: Dysfunction of the APC anticoagulation system.<br />
Naotaka Hamasaki<br />
Department of Clinical Chemistry, Faculty of Pharmaceutical Sciences, Nagasaki International<br />
University, Japan<br />
- 41 -
No. 42. Great impact of the brand-new Sysmex XN-Series automated hematology analyzer on<br />
workflow efficiency and utility<br />
Etsuko Hamada, Masato Maekawa<br />
Department of Laboratory Medicine, Hamamatsu University School of Medicine, Hamamatsu,<br />
Japan<br />
Nobuo Masauzi (Chairperson)<br />
No. 43. The comparison of the notations <strong>for</strong> quantitative evaluation of adhesive molecules’ expression<br />
on CD34 positive cells<br />
Nobuo Masauzi 12 , Junji Tanaka 2 , Masaharu Kasai 3 , Masahiro Ogasawara 3 , Minami Doi 4 , Naoki<br />
Kobayashi 3 , Yoshio Kiyama 3 , Minami Doi 4 , Sayaka Fukui 4 , Nao Fujimoto 4 , Misaki Yamada 4 ,<br />
Keiko Miwa, 1 , Masanobu Kobayashi 5 ,Masahiro Imamura 3 .<br />
1: Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University.<br />
Sapporo, 2: Department of Hematology, Hokkaido University Graduate School of Medicine,<br />
Sapporo, 3: Department of Hematology, Sapporo Hokuyu Hospital. Sapporo, 4: Department of<br />
Health Science, School of Medicine, Hokkaido University, Sapporo, 5: Department of Nursing,<br />
Health Science University of Hokkaido, Ishikari, Japan.<br />
No. 44. Relation between VKORC1 and CYP2C9 polymorphisms and warfarin dose requirement in<br />
Japanese patients<br />
Takeda Tomohiro, Mika Kataoka, Naoko Yamaguchi, Tizuko Kuramoto, Takao Uchiike ,Yasuyuki<br />
Okamoto,<br />
Central Clinical Laboratory, Nara Medical University Hospital, Japan<br />
No. 45. T-cell Acute Lymphoblastic Leukemia with Chromosomal Rearrangements Involving the<br />
Immunoglobulin Heavy Chain Breakpoint at Band 14q32<br />
Joonhong Park 1 , Myungshin Kim 1 , Jihyang Lim 1 , Yonggoo Kim 1 , Kyungja Han 1 , and Seok Lee 2<br />
Department of Laboratory Medicine 1 , Division of Hematology 2 , Department of Internal Medicine,<br />
The Catholic University of Korea, Seoul, Korea<br />
No. 46. Suspect of malaria in Sysmex XT series; A case report of two cases<br />
Iwan Joseph, Mansyur Arif, Hardjoeno<br />
Department of Clinical Pathology, Faculty of Medicine Hasanuddin University, Makassar,<br />
Indonesia<br />
Katsuyasu Saigo (Chairperson)<br />
No. 47. Usefulness of platelet most frequent volume <strong>for</strong> platelet size evaluation in thrombocytopenic<br />
patients<br />
Setsuki Isono 1) , Megumi Tatsuta 1) , Keiko Nagata 1) , Keiko Numata 1) , Tosiaki Koujitani 1) , Akiharu<br />
- 42 -
Okamura 1) , Masahumi Takata 2) , Mariko Okano 3) , Humiko Hatano 3) , Hiroyasu Uemura 3) , Takeshi<br />
Morisawa 3) , Masahiko Yonetani 3) , Mariko Takenouchi 4) , Katsuyasu Saigo 4)<br />
1) Department of Laboratory Medicine, Kakogawa West City Hospital, Kakogawa, Hyogo. 2)<br />
Department of Internal Medicine, Kakogawa West City Hospital, Kakogawa, Hyogo. 3) Department<br />
of Pediatrics, Kakogawa West City Hospital, Kakogawa, Hyogo. 4) Faculty of Pharmacological<br />
Sciences, Himeji Dokkyo University, Himeji, Hyogo, Japan.<br />
No. 48. Intravascular large B-cell lymphoma in Korea: Clinical and pathological findings<br />
Hyun-Ki Kim 1 , Seongsoo Jang 1 , Chan-Jeoung Park 1 , Hyun-Sook Chi 1 , Jooryung Huh 2 and<br />
Cheolwon Suh 3<br />
Departments of Laboratory Medicine 1 , Pathology 2 and Internal Medicine 3 , University of Ulsan<br />
College of Medicine and Asan Medical Center, Seoul, Korea<br />
No. 49. Evaluation of CellaVision DM96, an automated digital cell morphology identification<br />
system,<strong>for</strong> the examination of body fluid cytospin slides<br />
Hyun-Sook Chu, Young-Uk Cho, Sang Hyuk Park, Seongsoo Jang, Chan-jeoung Park<br />
Department of Laboratory Medicine, university of Ulsan, College of Medicine and Asan Medical<br />
Center, Seoul, Korea<br />
No. 50. Calculation of Measurement Uncertainty <strong>for</strong> Complete Blood Cell Counts (CBC)<br />
Atsushi Shirakami, Masako Koguchi, Tsutomu Kakuyama, Kanako Kiso, Takashi Kitagawa,<br />
Sysmex Corporation, Japan<br />
No. 51. Serum Thymidine Kinase 1 as a Potential Marker <strong>for</strong> Aggressive Behavior in Patients with<br />
B-cell Lymphoma<br />
Heyjin Kim, Jin Kyung Lee, Young Jun Hong, Seok-Il Hong, and Yoon Hwan Chang<br />
Department of Laboratory Medicine, Korea Cancer Center Hospital, Seoul, Korea<br />
5. Clinical Microbiology (PM1-PM14)<br />
Masami Murakami (Chairperson)<br />
No. 52. High seroprevalence of human herpes virus type 8 in patients with lung carcinoma<br />
Cheng-Chuan Su 1,2,3 , Chun-Liang Lai 4 , Ming Nan Lin 5<br />
1<br />
Institute of Medical Sciences, and Departments of Laboratory Medicine and Pathology, School of<br />
Medicine, Tzu Chi University, Hualien, Taiwan; Departments of 2 Clinical Pathology, 3 Anatomic<br />
Pathology, 4 Chest Medicine, and 5 Family Medicine, Buddhist Dalin Tzu Chi General Hospital,<br />
Chiayi, Taiwan<br />
- 43 -
No. 53. HIV-1 RNA viral load in seminal fluid: quantification with NASBA<br />
Lyana Setiawan, Agus Susanto Kosasih, Samsuridjal Djauzi, Haridana Indah Mahdi,<br />
Runingsih<br />
Dharmais Cancer Hospital, Indonesia<br />
No. 54. Epidemiological and microbiological feature of meningococcal infection in Ulaanbaatar city<br />
B.Uyanga, MD 1 , G.Oyungerel, MD 2<br />
1<br />
SOS Medica Hospital, Ulaanbaatar, Mongolia<br />
2<br />
Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
No. 55. The inhibitory effect of serum HLA class I antigens on EBV-specific CD8+CTL in vitro<br />
N.Erdenesuvd 1,3 , B.Gansuvd 1,2 , B.Munkhbat 1,2 , M.Hagihara 2 , T.Hotta 2 , N.Munkhtuvshin 1 ,<br />
1<br />
Central Scientific Research laboratory, Nat’l Institute of Medicine, Mongolia<br />
2<br />
Department of Transplantation Immunology, Tokai University, Japan<br />
3<br />
Dept. Laboratory Medicine, General Hospital, Uvurkhangai, Mongolia<br />
No. 56. Tuberculosis screening by a T cell interferon-γ release assay in students of medical school and<br />
international students in Gunma University<br />
Rumi Watanabe 1) , Takao Kimura 2) , Yutaka Tokue 3) , Takayuki Ogiwara 3) , Makoto Nara 3) , Yoshino<br />
Kobayashi 1) , Toshiya Inoue 1) , Hiroyuki Sumino 1) , Tadashi Morimura 1) , Osamu Araki 1) , Katsuhiko<br />
Tsunekawa 1) , Tomoyuki Aoki 1) , Toshiko Obuchi 3) , Yukie Yomoda 1) , Kihachi Ohshima 2) , Masami<br />
1, 2, 3)<br />
Murakami<br />
1) Clinical Laboratory Center, Gunma University Hospital, Maebashi, Japan. 2) Department of<br />
Clinical Laboratory Medicine, Gunma University Graduate School of Medicine, Maebashi, Japan, 3)<br />
Infection Control and Prevention Center, Gunma University Hospital, Maebashi, Japan.<br />
Hiroaki Onishi (Chairperson)<br />
No. 57. Differences of Vancomycin MICs <strong>for</strong> MRSA Isolates Based upon the study Susceptibility Test<br />
Method Used<br />
K Watanabe, M Mikami, Y Saya, C Tanaka, F Omata, K Furukawa, K Takeda<br />
St.Luke’s Inte,v,vrnational Hospital, Japan<br />
No. 58. Mycobacterium Kyorinense Infection: Clinical Features and Antimicrobial Susceptibility<br />
Hiroaki Ohnishi 1 , Shota Yonetani 1 , Satsuki Matsushima 1 , Kouki Ohtsuka 1 , Tomonori Kishino 1 ,<br />
Hiroo Wada 2 , Hajime Goto 2 , Takashi Watanabe 1<br />
Departments of 1 Laboratory Medicine and 2 Respiratory Medicine, Kyorin University, School of<br />
Medicine, Japan<br />
No. 59. The first case of Lecythophora hoffmanni peritonitis in Korea<br />
- 44 -
Hunsuk Suh 1 MD, PhD, Jonghee Shin 2 MD,PhD<br />
1.Laboratory medicine, Daegu Catholic University Hospital 2. Laboratory medicine, Jeonnam<br />
University Hospital, Korea<br />
No. 60 Sensitive, one, two-drug resistance, and MDRP Pseudomonas aeruginosa integron carrying rates<br />
Daisuke Tanabe<br />
Bunkyo Gakuin University graduate school, Japan<br />
Satoshi Kimura (Chairperson)<br />
No. 61. Application of MALDI-TOF MS-based strain typing <strong>for</strong> characterization of epidemiological<br />
relationships among bacterial strains<br />
Megumi Oho 1) , Zenzo Nagasawa 1) , Koji Kusaba 1) , Takanori Higashitani 1) , Shoitiro Ohta 1) , Eisaburo<br />
Sueoka 1) , Hiroshi Miyamoto 2)<br />
Department of Laboratory Medicine, Saga University Hospital 1) , Division of Microbiology,<br />
Department of Pathology and Microbiology, Faculty of Medicine, Saga University 2) , Japan<br />
No. 62. Simultaneous inhibition of NF-κB and caspase-1 by a cell-permeable compound DHMEQ leads<br />
to potent suppression of IL-1β<br />
Sayaka Ito, Misako Iwata, Tetsuo Kubota<br />
Graduate School of Health Care Sciences, Tokyo Medical and Dental University, Japan<br />
No. 63. Comparison of a novel real-time PCR system in the quantification of HIV-1 RNA<br />
Demak Lumban Tobing, Sri Hartini, Theresia Koeshandini, Runingsih<br />
Dharmais Cancer Hospital Clinical Pathology Laboratory, Indonesia<br />
No. 64. Measurement of Procalcitonin (PCT) and C-Reactive Protein (CRP) in Patients with<br />
ESBL-negative Bacteremia<br />
Soohun Yoo 1 , Seri Jeong 1 , Yongjung Park 1 , Nam Su Ku 2 , Dongeun Yong 1 and Hyon-Suk Kim 1*<br />
1 Department of Laboratory Medicine and 2 Internal Medicine, Severance Hospital, Yonsei<br />
University College of Medicine, Seoul, South Korea<br />
No. 65. Significant Increase of Sensitivity on Rapid Influenza Antigen Assays Using Silver<br />
Amplification Immunochromatography<br />
Satoshi KIMURA 1) , Hideyoshi OHTO 2) , Hayato YAMAGUCHI 1) , Seiji FUKUOKA 1) , Emiko<br />
NAKAMA 1) , Akiko TERADA 3) , and Akira UMEDA 2)<br />
1) Department of Laboratory Medicine and Central Clinical Laboratory, Showa University Northern<br />
Yokohama Hospital, Yokohama 224-8503, Japan<br />
2) Department of Pediatrics, Showa University Northern Yokohama Hospital<br />
3) R & D department, FUJIFILM Medical Co., Ltd, Tokyo, 106-0031, Japan<br />
- 45 -
6. Physiological function test (PF1-PF2)<br />
Masato Nishimura (Chairperson)<br />
No. 66. Comparison of four portable apnea recording devices in daytime screening<br />
session <strong>for</strong> severe sleep apnea patients screening<br />
Chikage Torisawa, Chie Watanabe, Takeshi Tomihara, Chisato Shimazu, Taiji Furukawa<br />
Department of Laboratory Medicine, Teikyo University School of Medicine<br />
No. 67. The relationship between arterial wall elasticity by the phased tracking method<br />
and vascular manifestations in type 2 diabetes mellitus patients<br />
Michiaki Miyamoto 1) , Kazuhiko Kotani 1) , Hideyuki Hasegawa 2, 3) , Hiroshi Kanai 3, 2) , Harumi<br />
Koibuchi 1) , Yasutomo Fujii 1) , Kei Konno 1) , Toshiyuki Yamada 1) and Nobuyuki Taniguchi 1)<br />
1) Department of Clinical Laboratory Medicine, Jichi Medical University, Tochigi, Japan<br />
2) Graduate School of Biomedical Engineering, Tohoku University, Sendai, Japan<br />
3) Graduate School of Engineering, Tohoku University, Sendai, Japan<br />
7. Pathology (PP1-PP7)<br />
Naoki Hosaka (Chairperson)<br />
No. 68. The expressions of O 6 -methylguanine DNA methyltransferase and epidermal growth factor<br />
receptor on ganglioglioma: A clinicopathologic and immunohistochemical study<br />
I-Wei Chang 1,2 , Jui-Wei Lin 3<br />
1<br />
Department of Pathology, E-DA Hospital/I-Shou University<br />
2<br />
Institute of Biotechnology and Chemical Engineering, I-Shou University<br />
3<br />
Department of Pathology , Kaohsiung Chang Gung Memorial Hospital, Taiwan<br />
No. 69. Pathological characteristics of HER2/neu-amplified gastric carcinomas<br />
M. Bamba, H. Sugihara, S. Takemura, K. Fukuda, M. Masuyama, T. Shigematsu and R. Kushima<br />
Depts. Pathology (MB&ST), Surgery (KF&MM) and Gastroenterology (TS), Saiseikai Shiga Hosp.<br />
Dept. Pathology, Shiga Univ. Med. Sci. (HS) and Dept. Pathology, National Cancer Center Hosp.,<br />
Japan<br />
No. 70. Poorly differentiated squamous cell carcinoma of the nipple; A uniqu case <strong>for</strong> marked<br />
exophytic growth, but little invasion with neuroendocrine differentiation<br />
Naoki Hosaka, Susumu Ikehara, Hakuo Takahashi<br />
- 46 -
Department of Pathology, Kansai Medical University-Kori Hosptal, Department of stem cell<br />
disoders, Department of Clinical Sciences and Laboratory Medicine, Kansai Medical University,<br />
Osaka, Japan<br />
No. 71. Typing of amyloidosis by proteome analysis<br />
Masayoshi Tasaki 1, 2 , Mitsuharu Ueda 3 , Konen Obayashi 3 , Hiroyuki Hata 2 , Hirofumi Jono 3 , Genki<br />
Suenaga 1 , Su Yu 1 , Satoru Shinriki 3 , Taro Yamashita 1 , Yukio Ando 1 1 Department of Neurology,<br />
Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan<br />
2 Department of Immunology and Hematology, Division of Health Sciences, Faculty of Life<br />
Sciences, Kumamoto University, Kumamoto, Japan<br />
3 Department of Diagnostic Medicine, Graduate School of Medical Sciences, Kumamoto University,<br />
Kumamoto, Japan<br />
Tatsuo Sawada (Chairperson)<br />
No. 72. The morphological change after molecular targeting therapy of malignant brain tumor<br />
Tatsuo Sawada 1 , Yoshinori Takekawa 2 , Saori Okamoto 3 , Takashi Maruyama 3 , and Noriyuki Shibata 1<br />
1<br />
Department of Pathology, Tokyo Women’s Medical University, Japan<br />
2<br />
Department of Neurosurgery Tokyo Women’s Medical University, Japan<br />
3<br />
Department of Surgical Pathology Yokosuka Municipal Hospital, Japan<br />
No. 73. Clinicopathological analysis of asbestos-related diseases presenting asbestos bodies in routine<br />
cytology specimens<br />
Makihara K 1) , Kanazawa S 1) , Yoshida T 1) , Sosogi A 1) , Matsuki Y 2) , Shimajiri S 3) , Yamasaki K 4) ,<br />
Hamada T 1)<br />
1) Dept. Surgical Pathology and Asbestos Disease Center, Kyushu Rosai Hospital, Japan<br />
2) Dept. Surgical Pathology, Ootemachi Hospital, Japn<br />
3) Dept. Surgical Pathology, Univ. Occupational and Environmental Health, Japan<br />
4) Dept. Respiratory Medicine, Univ. Occupational and Environmental Health, Japan<br />
No. 74. Neuropathological findings in a case of amyotrophic lateral sclerosis resembling<br />
CIDP<br />
Masaru Yoshioka (1), Hidehiko Konno (1), Toshiaki Takahashi (1), Hiroyasu Tanaka (1), Hiroshi<br />
Onodera (1) , Maki Tateyama (2)<br />
(1) Department of Neurology, National Hospital Organization Nishitaga Hospital, Japan<br />
(2) Department of Neurology, Tohoku University School of Medicine, Japan<br />
8. Molecular Biology (PMB1-PMB12)<br />
- 47 -
Misako Shibakura (Chairperson)<br />
No. 75. Synthesis of cDNA and Detection of Gene Fragment of Protein Disulfide Isomerase Family A<br />
Member 4 (PDIA4) in Bone Marrow Cell<br />
Stefanus Lembar<br />
Atma Jaya Medical Faculty Indonesia<br />
No. 76. Diagnostic strategies lynch syndrome – role of immunohistochemistry and<br />
germline mutation screening -<br />
Mohd Nizam Zahary 1 , Gurjeet Kaur 2 , Muhammad Radzi Abu Hassan 3 , Ahmad Shanwani Mohd<br />
Sidek 4 , Harjinder Singh 5 , Sharifah Emilia Tuan Shariff 6 , Ravindran Ankathil 1 .<br />
1 Human Genome Centre, School of Medical Sciences, Universiti Sains Malaysia Health Campus,<br />
Kubang Kerian, Kelantan, 2 Institute For Research in Molecular Medicine, Universiti Sains Malaysia,<br />
3 Internal Medicine Department, Hospital Alor Setar, Kedah, 4 Surgery Department, Hospital Raja<br />
Perempuan Zainab II, Kota Bharu, Kelantan, 5 Department of Medicine, Hospital Queen Elizabeth,<br />
Kota Kinabalu, Sabah, 6 Department of Pathology, School of Medical Sciences, Universiti Sains<br />
Malaysia Health Campus, Kubang Kerian, Kelantan, Malaysia<br />
No. 77. Corneodesmosin (MHC S) Gene Polymorphism in Mongolian Psoriasis Patients<br />
Ch.Tserendulam 1,3 , B.Munkbat 1,2 , M.Tomizawa 2 , G.Oyungerel 1 , G.Tamiya 2 , Sh.Myagmarjav 4<br />
H.Inoko 2 , N.Munkhtuvshin 1<br />
1 Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
2 Depart. Molecular Life Science, Tokai Uni. School of Medicine, Isehara, Kanagawa, Japan<br />
3 Jargalan Hospital Laboratory, Khuvsgul, Mongolia<br />
No. 78. Study of essential oil <strong>for</strong> anti-allergy effect in murine asthma model<br />
Tomoe Ueno Iio, Misako Shibakura, Michinori Aoe, Tomoko Hyoda, Mihoko Kohara, Naohisa<br />
Nakagawa, Takako Nakahara, Mikio Kataoka.<br />
Graduate School of Health Sciences, Okayama University., Japan<br />
Yoko Tabe (Chairperson)<br />
No. 79. TGF-β-neutralization enhances cytarabine-induced apoptosis in AML cells in the bone marrow<br />
microenvironment<br />
Yoko Tabe 1,2 , Linhua Jin 1 , Yasuhito Hatanaka 1 , Takashi Miida 1 , Michael Andreeff 2 , Marina<br />
Konopleva 2<br />
1, Department of Clinical Laboratory Medicine, Juntendo University School of Medicine, Tokyo,<br />
Japan<br />
2, Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, Texas,<br />
USA<br />
- 48 -
No. 80. Introduction of HCV Quantification as a Diagnostic Tool in Mongolia: Significance and<br />
Lessons Learned<br />
Batmunkh Sayabold 1 , Nemekhbaatar Lkhaasuren 2 , Jazag Amarsanaa 1,5 , Jigjidsuren Chinburen 1,3 ,<br />
Oidov Baatarkhuu 1,2 , Byambaa Suvd 1 , Tseveg Tsogtkhishig 2 , Bira Tsatsralt-Od 1,4 , Batmunkh<br />
Munkhbat 5<br />
1) Mongolian Association <strong>for</strong> the Study of Liver Diseases, Mongolia; 2) Health Sciences<br />
University of Mongolia, Mongolia; 3) National Cancer Center, Mongolia; 4) National Center of<br />
Communicable Diseases, Mongolia; 5) Institute of Medical Sciences, Mongolia.<br />
No. 81. Development of Thermostabilised MultiplexPCR For Detection of Salmonella Enteritidis and<br />
Vancomycin-Resistant enterococci (VRE)<br />
Tan Ka Liong a , Chan Yean Yean b<br />
a b<br />
Department of pharmacology, and Department of microbiology and parasitology, School of<br />
Medical Sciences, Universiti Sains Malaysia, Malaysia<br />
No. 82. Analysis of Fas exon 6 splicing and gene expression of transcription factors in various human<br />
organs and lymphocyte subsets<br />
Ryo Uozumi 1 , Hitoshi Shibuya 1 , Akio Shigematsu 1 , Kazuhiko Matsuno 1 , Chikara Shimizu 1 , Seiichi<br />
Kobayashi 2 .<br />
1<br />
Department of Clinical Laboratory, Support of Clinical Practice, Hokkaido University Hospital,<br />
2<br />
Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University,<br />
Japan<br />
Kaname Nakatani (Chairperson)<br />
No. 83. The genetic basis of Congenital Hyperinsulinism in Japan<br />
Kumiko Ohkubo 1)2) , Mariko Nagashima 1) , Tomoe Matsuzaki 2) , Makiko Yuki 2) , Hironobu<br />
Kawashima 2) , Akira Matsunaga 1)2)<br />
2) Department of Laboratory Medicine, Faculty of Medicine, Fukuoka University, Japan<br />
3) Department of Clinical Laboratory, Fukuoka University Hospital, Japan<br />
No. 84. A rapid and automated detection system <strong>for</strong> BRAF mutations in malignant melanoma.<br />
Masaru Ide, Shinichi Koba, Yumi Nagano, Naoko Aragane-Sueoka, Akemi Sato, Takuya Inoue,<br />
Naomi Kobayashi, Noriyuki Misago, Yutaka Narisawa, Shinya Kimura and Eisaburo Sueoka<br />
Faculty of Medicine, Saga University, Japan<br />
No. 85. Detection of Mycobacterium kansasii using amplicons generated by the COBAS TaqMan 48<br />
Analyzer<br />
- 49 -
Arizumi Kikuchi 1 , Yuko Wakayama 1 , Takahiro Sawamura 1 , Satsuki Nakamura 2 , Shu Taga 2 , Yuji<br />
Itoh 2 , Takeshi Seki 2 , Hiroya Sakuma 1,2 , Osami Daimaru 1,2 , Takeo Nakakita 1,2 , Shinichi Itoh 3<br />
1 Daiyukai Second Medical and Science Research Laboratories, 2 Daiyukai General Hospital, 3<br />
Daiyukai First Hospital, Ichinomiya, Aichi, Japan<br />
No. 86. Increased expression of mitochondrial isoenzyme of creatine kinase in hepatocellular<br />
carcinoma cells may be associated with enhanced proliferation and migration<br />
Uranbileg B., Ikeda H., Yatomi Y.<br />
Project researcher, Department of Clinical Laboratory Medicine, Graduate School of Medicine, The<br />
University of Tokyo, Japan<br />
9. Others (PO 1-PO13)<br />
Taiji Furukawa (Chairperson )<br />
No. 87. Application <strong>for</strong> Diagnostic Tests of Facial Portraits by CCD Camera<br />
Kazuhiro Kabe<br />
Business Department of Medical Technology, Laboratory of Medical Technology, Medic21<br />
Association, Japan<br />
No. 88. Assessment of early manifestation of anthracycline-induced cardiomyopathy in patients with<br />
preserved left ventricular ejection fraction<br />
Reiko Mizuno 1 , Shinichi Fujimoto 2 , Yasuyuki Okamoto 1<br />
1 2<br />
Central Clinical Laboratory, Nara Medical University, Center <strong>for</strong> <strong>Education</strong> Development, Nara<br />
Medical University, Japan<br />
No. 89. Influence of masticatory dysfunction on antioxidant capacity in rat model<br />
Maki Tanaka, Kageaki Kuribayashi, Daisuke Kobayashi, Naoki Watanabe<br />
Department of Clinical Laboratory Medicine, Sapporo Medical University School of Medicine,<br />
Japan<br />
No. 90. The role of Rb2/p130 and PP2A interaction in ATRA treatment induced growth arrest of<br />
ovarian carcinoma cells<br />
M.Oyundelger 1,3 , P.Enkhtsetseg 1,2 , Soprano DR 2 , Soprano KJ 2 , N.Munkhtuvshin 1<br />
1<br />
Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
2<br />
Department of Microbiology and Immunology, Temple University School of Medicine,<br />
Philadelphia,<br />
3 CEO Laboratory, Monolab Co., Ulaanbaatar, Mongolia<br />
- 50 -
No. 91. Genome-wide association analysis with selective genotyping identifies candidate loci <strong>for</strong> adult<br />
height at 8q21.13 and 15q22.33-q23 in Mongolians<br />
M.Enkhdelger 1,3 , T.Kimura 2 , T.Kobayashi 2 , B.Munkhbat 1,2 , G. Oyungerel 1 , H. Hayashi 2 A.Oka 2 , I.<br />
Inoue 2 , H.Inoko 2 , N.Munkhtuvshin 1<br />
1 Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
2 Department of Molecular Life Science, Tokai University School of Medicine, Isehara, Kanagawa,<br />
Japan<br />
3 CEO Laboratory, Monolab Co., Ulaanbaatar Mongolia<br />
Hayato Miyachi (Chairperson)<br />
No. 92. Molecular analysis of HLA polymorphism in ethnic minority of Khoton-Mongolians<br />
P.Nyamragchaa 1,3 , B.Munkhbat 1,2 , T.Sato 2 , M.Hagihara 2 , K.Sato 2 , A.Kimura 2 , K.Tsuji 2 ,<br />
N.Munkhtuvshin 1<br />
1 Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
2 Department of Transplantation Immunology, Tokai University, Japan<br />
3 Dept. Laboratory Medicine, General Hospital, Dundgobi, Mongolia<br />
No. 93. TNF-β gene-polymorphism in population and clinical studies<br />
B.Ankhchimeg 1,3 , B.Munkhbat 1,2 , B.Gansuvd 1,2 , G.Oyungerel 1 , T.Shimura 2 N.Munkhtuvshin 1<br />
1 Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
2 Department of Transplantation Immunology, Tokai University, Japan<br />
3 Dept. Laboratory Medicine, General Hospital, Arkhangai, Mongolia<br />
No. 94. The genealogical study of Charcot-Marie-Tooth disease prevalence among some Families in<br />
Bayan-Uul soum of Gobi-Altai province<br />
Batchimeg B 1 , Bilegtsaikhan Ts 1 , Oyungerel G 1 , Tselmen D 1 , Erdenechimeg Ya 2 , Oyuntsetseg М 3 ,<br />
Baasanjav D 2 , Munkhtuvshin N 1 , Munkhbat B 1<br />
1Central Scientific Research Laboratory, Institute of Medical Sciences, Mongolia<br />
2Department of Neurology, Institute of Medical Sciences, Mongolia<br />
3Department of Neurology, Central Hospital of Gobi-Altai Province<br />
No. 95. Number and morphology of mesothelial cells in peritoneal dialysis effluent as a potential<br />
predictive marker <strong>for</strong> advanced peritoneal dysfunction<br />
Mayumi Idei 1 , Yoko Tabe 1 , Kazunori Miyake 1 , Chieko Hamada 2 , Hiroyuki Takemura 3 , Hiroaki Io 2 ,<br />
Kiyoshi Ishii 3 , Takashi Horii 3 , Yasuhiko Tomino 2 , Akimichi Ohsaka 3 , Takashi Miida 1<br />
1, Department of Clinical Laboratory Medicine, Juntendo University School of Medicine, Tokyo,<br />
Japan<br />
2, Division of Nephrology, Department of Internal Medicine, Juntendo University School of<br />
Medicine , Tokyo, Japan<br />
- 51 -
3, Division of Clinical Laboratory, Juntendo University Hospital, Tokyo, Japan<br />
Masahiro Koshiba (Chairperson)<br />
No. 96. Regulatory and pro-inflammatory properties of CD4+ T-cell subsets defined by CD45RA,<br />
CCR7, CD27, and CD28 in patients with rheumatoid arthritis<br />
Fumichika Matsuki*†, Jun Saegusa*†, Yoshiaki Miyamoto†, Kenta Misaki†, Shunichi Kumagai*§,<br />
and Akio Morinobu†<br />
Department of Evidence-based Laboratory Medicine, Kobe University Graduate School of<br />
Medicine, Kobe, Japan; †Department of Rheumatology and Clinical Immunology, Kobe University<br />
Graduate School of Medicine, Kobe, Japan; §The Center <strong>for</strong> Rheumatic Diseases, Shinko Hospital,<br />
Kobe, Japan<br />
No. 97. 5-Ethynyl-2′-deoxyuridine (EdU)-induced replication banding patterns in human chromosomes<br />
Osamu Hoshi<br />
Anatomy and Physiological Science, Graduate School of Health Care Science, Tokyo Medical and<br />
Dental University, Japan<br />
No. 98. Chaotic Nature of Myocardial Ultrasonic Radio Frequency Signals Reflect Cardiac Fibrosis and<br />
Hypertrophy in Patients with Hypertension.<br />
Mitsuru Masaki, *# ; Akiko Goda, * ; Masataka Sugahara, * ; Miho Fukui, *# ; Minoru Murakami, # ; Miho<br />
Kuroda, # ; Ayumi Igaki, # ; Seiji Fujii, # ; Tadanao Wada, # ; Kohji Inuzumi, # , Masahiro Koshiba, # ; and<br />
Tohru Masuyama, *<br />
Cardiovascular Division, Department of Internal Medicine, Hyogo College of Medicine *<br />
Division of Clinical Laboratory Medicine, Hyogo College of Medicine #<br />
No. 99. Drug susceptibility test <strong>for</strong> Giardia intestinalis using WST-1 reagent<br />
Takahiro Matsumura *,** , Tomoji Yuno * , Masaharu Tokoro **<br />
*<br />
Department of Clinical Laboratory, Kanazawa Red Cross Hospital<br />
**<br />
Department of Parasitology, Graduate School of Medical Science, Kanazawa University, Japan<br />
- 52 -
<strong>Abstract</strong>s<br />
- 53 -
No. 1 (PC 1)<br />
Tacrolimus in Adult Renal Transplant Recipients<br />
Pradeep Naik, Mallikarjuna Madhavarapu<br />
Department of Clinical Biochemistry, Global Hospitals, Lakdikapool, Hyderabad-500004, India<br />
Background<br />
Success of an immunosuppressive drug therapy depends on extent of exposure to the drugs (the blood<br />
levels and duration) which is measured as area under the curve (AUC). Tacrolimus also shows<br />
considerable variability in its pharmacokinetics, with poor correlation between Tacrolimus trough level<br />
and systemic exposure, as measured by the area under the curve of concentration time. Monitoring<br />
trough levels helps not only in reducing nephrotoxiicity but also the chances of acute rejection; even<br />
though there is no international consensus, the trough concentration is used to determine dosing and the<br />
AUC <strong>for</strong> calculating the exposure of the patient to the drug. The major objective of this study was to<br />
find the best sampling time <strong>for</strong> an abbreviated AUC0-6 (area under the concentration time curve) to<br />
predict the total body exposure to Tacrolimus in adult renal transplantation recipients.<br />
Methods<br />
The study involved retrospective analysis of 14 renal transplant patients (2 female+12 male) who were<br />
on triple immuno suppressive therapy, methyl prednisolone, mycophenolate mofetil and Tacrolimus.<br />
Blood samples were collected be<strong>for</strong>e administering Tacrolimus (0 h) to determine trough concentration<br />
and at fixed time points of 2h, 4h and 6h after administration of oral Tacrolimus and analyzed<br />
induplicate by micro particle enzyme immunoassay. AUC0-6 was determined using the linear trapezoidal<br />
rule. Association between the blood concentration and AUC6 were evaluated by Pearson correlation<br />
coefficient. All statistical analyses were per<strong>for</strong>med using SPSS software program.<br />
Results<br />
The trough levels were fairly consistent at 7.9-18 ng . h/mL in all the patients included in this study and<br />
this did not show variation with age or sex. The AUC0-6 was higher (202-290 ng/mL at 3-8 mg Bis-Daily<br />
(BD) dosage) in patients who received kidney from cadaver compared to recipients from live donors<br />
(60.5-171 ng/mL at 3-8 mg BD dosage) but whether the clinical significance of this is not known.<br />
Highest AUC0-6 was 246 ng/mL observed at 4.5 mg BD dosage. Dosages higher than 2 mg BD did not<br />
result in noticeable increase in AUC0-6. Peak blood levels of Tacrolimus were obtained 4 h after<br />
administration<br />
Conclusion<br />
Trough level determination and C2, C4 two-point limited sampling strategy may be useful to plan the<br />
dosing strategy and estimate exposure of renal transplant patients to Tacrolimus.<br />
- 54 -
No. 2 (PC2)<br />
Soluble FcγRIIIa Mφ levels in plasma correlate with maximum plaque diameter in<br />
patients examined with carotid arterial echography.<br />
Midori MASUDA 1 , Keiko KOUNO 2 , Noriko NISHIMURA 1 , Hiroya MASAKI 1 , Toyohiko<br />
YOKOI 1 , Masamichi YOSHIKA 1 , Yutaka KOMIYAMA 1 , Toshiji IWASAKA 2 , and Hakuo<br />
TAKAHASHI 1<br />
Departments of 1 Clinical Sciences and Laboratory Medicine, and 2 Medicine II, Kansai Medical<br />
University, Osaka, Japan<br />
Macrophages play a major role in the development of vascular lesions in atherogenesis. The cells<br />
express FcγRIIIa (CD16) identical to that in NK cells, but with a cell type-specific glycosylation, and<br />
these soluble <strong>for</strong>ms (sFcγRIIIa) are present in plasma. We measured sFcγRIIIa Mφ derived from<br />
macrophages in plasma with anti-FcγRIIIa Mφ monoclonal antibodies and found that the levels of<br />
sFcγRIIIa Mφ were related to the severity of coronary atherosclerosis in patients with coronary artery<br />
diseases (CAD).In volunteers, the sFcγRIIIa Mφ levels measured at the annual medical checkup were<br />
related to the number of risk factors <strong>for</strong> atherosclerosis and were correlated with carotid maximum<br />
intima-media thickness (IMT). In the present study, we measured sFcγRIIIa Mφ in plasma from patients<br />
examined with carotid artery echography. The levels of sFcγRIIIa Mφ , but not the sFcγRIIIa, were<br />
significantly increased in patients examined with carotid arterial echography, compared with<br />
age-matched healthy controls. Patients with echogenic/echolucent plaques or mixed with<br />
echogenic/echolucent and calcified plaques had the higher sFcγRIIIa Mφ levels, but patients with only<br />
calcified plaques had levels similar to patients with no plaque or intact carotid artery. The levels of<br />
sFcγRIIIa Mφ were correlated with maximum plaque diameters, especially in patients with<br />
echogenic/echolucent plaques. Because unstable plaques contain a lot of lipid and macrophages inside,<br />
the sFcγRIIIa Mφ may serve as a novel risk biomarker <strong>for</strong> unstable angina or myocardial infarction.<br />
- 55 -
No. 3 (PC 3)<br />
The Role of S100B Protein and GFAP in Predicting Discharged NIHSS of Anterior<br />
Circulation Ischemic Stroke<br />
Yenny Surjawan, Suryani As’ad, Teguh A.S Ranakusuma, Andi Wijaya<br />
Medical Faculty of Hasanuddin University, INDONESIA<br />
Background: Patient with larger ischemic lesion will suffer more severe neurological deficit. Lesion<br />
size measurement by MRI is still limited. Another approach pursued through examination of markers<br />
released by damaged brain cell. S100B protein and GFAP, markers of damaged brain cell, had been<br />
reported to have an association with stroke. This study aimed to know whether both markers could<br />
estimate the discharged NIHSS of anterior circulation ischemic stroke.<br />
Methods: This observational prospective study was per<strong>for</strong>med on 74 anterior circulation ischemic<br />
stroke patients. S100B protein and GFAP were measured by ELISA.<br />
Results: A significant difference was found in S100B protein concentration between mild and not mild<br />
discharged NIHSS (p < 0.05). S100B protein concentration showed a significant correlation with<br />
discharged NIHSS (r = 0.488; p = 0.000). An equation was yield to predict the risk and probability to get<br />
a not mild discharged NIHSS by S100B protein (OR = 1.009; 95 % CI 1.0003 - 1.0188; p = 0.044).<br />
S100B protein at 78.3215 ng/l produced a 66 % sensitivity and 70 % specificity, with positive and<br />
negative predictive value of 76 % and 58 %, respectively (AUC = 73.9 %, p = 0.001, 95 % CI: 62.7 % –<br />
85.2 %). There was a significant difference in the proportion of subjects with low and high GFAP in<br />
either not severe or severe group of NIHSS at discharge (p = 0.008).<br />
Conclusion: S100B protein measured at 48 to 72 hours after onset could predict the risk and probability<br />
to get a not mild discharged NIHSS in anterior circulation ischemic stroke patients. No subject with low<br />
GFAP level showed a severe NIHSS at discharge.<br />
- 56 -
No. 4 (PC 4)<br />
Detection of hereditary abnormality of phenylalanine metabolism using<br />
microbiologic method<br />
E.Shuree 1 , G.Oyungerel 2 , N. Munkhtuvshin 2<br />
1<br />
Oyushur Laboratory, Ulaanbaatar, Mongolia<br />
2<br />
Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
Objectives: Mass screening of hereditary abnormality of phenylalanine metabolism in newborn as<br />
essential test procedures in many countries request evaluate feasibility of low cost microbiological test<br />
in screening of children in the country with less developed infrastructure.<br />
Materials and Methods: Blood samples were collected from 620 pupils studied at specialized school<br />
№29 of Ulaanbaatar with clinical diagnosis of mental deficiency, different <strong>for</strong>ms. Genetic defect of<br />
phenylalanine metabolism was investigated by Guthrie test, based on competition between the amino<br />
acid Phenylalanine and inhibitor <strong>for</strong> phenylalanine ß-2-Thyenilalanine, kindly provided by WHO<br />
country representative from supplier Difco laboratories inc, 920 Henry Street, Detroit, MI 48201-2532.<br />
Results: Phenylketonuria (PKU) is a recessive hereditary disease, with estimated frequency of<br />
1:10.000. Patients have deficient hepatic enzyme Phenylalanine-hydroxylase, which catalyzes the<br />
conversion of Phenylalanine to Tyrosine and consequently an increase of Phenylalanine in blood and an<br />
increase of Phenylpiruvic Acid in urine (PKU), which causes a mental deficiency in new-born infants. A<br />
possibility to avoid mental damages is feeding new-born babies with a Phenylalanine free diet from the<br />
first weeks of life. Mass screening of PKU is not introduced in the country yet. There<strong>for</strong>e cost efficient<br />
screening test to diagnose PKU is very useful since it gives a chance to prevent any mental damage. Of<br />
the 620 investigated children (285-girls, 345- boys within the age of 8-18) positive results were obtained<br />
in 10 mentally retarded children (1.63%).<br />
Conclusion: 1. Microbiological method of Guthrie is semi-quantitative determination of phenylalanine<br />
in the blood and characterized by high sensibility and reproducibility and feasible test <strong>for</strong> screening of<br />
children in countries with limited resources. 2. The prevalence of positive results was almost 2 and half<br />
times more in comparison to the results of <strong>for</strong>eign investigators, where used biochemical urine test and<br />
where PKU is revealed in 7 of 1125 mentally retarded patients (0.6%).<br />
- 57 -
No. 5 (PC 5)<br />
External quality assessment schemes <strong>for</strong> Clinical Chemistry in Mongolia<br />
G.Oyungerel 1 , Ya Amarjargal 2 , N.Munkhtuvshin 1<br />
1<br />
Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
2<br />
Dept. Medical Care Policy Implementation and Coordination, MOH, Mongolia<br />
Objectives: The main objective of NEQAS in Mongolia is to provide an educational support towards<br />
improvement of clinical chemistry laboratory diagnostic services and participation is voluntary and<br />
confidential, though State Inspectorate makes participation obligatory <strong>for</strong> both governmental and private<br />
laboratories.<br />
Materials and methods: Lyophilized commercial QC materials <strong>for</strong> 20 parameters and structured report<br />
<strong>for</strong>mat distributed to the participants monthly and the Scoring System (Bullock & Wilde, 1985) used <strong>for</strong><br />
calculation. The system depends on number of related indices such as Variance index score (VIS), the<br />
difference, between the result returned and the designated value, expressed as a percentage of the<br />
designated value, divided by the chosen coefficient of Variation (CCV) <strong>for</strong> the analyte, expressed as<br />
percentage, and OMRVIS, the mean of the 40 most recent variance index scores irrespective of analyte<br />
<strong>for</strong> each laboratory.<br />
Results: CSRL, NIMM, approved by the Health Minister, Mongolia as principal organizer of the<br />
NEQAS and reflects the WHO recommendations on EQAS design and purpose and the scheme provide<br />
assessments of the state of the art (general per<strong>for</strong>mance) of both individual laboratories and countrywide<br />
services and the effects of individual analytical procedures (method principles, reagents and<br />
instruments). Doubled decrease (improvement) of countrywide OMRVIS achieved in 2011since 2000<br />
(from 320 to 160) and dramatic decrease of MRVIS observed in individual best laboratories during this<br />
period of time (from 220 to 55).<br />
Conclusions: System of Clinical Chemistry NEQASs of Mongolia has been introduced since over more<br />
than 20 years and its usefulness is supported by the remarkable evidence of slow but continuing<br />
improvement of per<strong>for</strong>mance throughout the country, having importance in facilitating the provision of<br />
reliable diagnostic services.<br />
- 58 -
No. 6 (PC 6)<br />
Analysis of cholesteryl ester hydroperoxides in oxidized lipoprotein by Use of an<br />
Orbitrap LC-MS<br />
Shu-Ping Hui 1 , Toshihiro Sakurai 1 , Futaba Ohkawa 1 , Hiroaki Furumaki 1 , Shigeki Jin 1 , Hirotoshi<br />
Fuda 1 , Seiji Takeda 1 , Takao Kurosawa 2 , Hitoshi Chiba 1<br />
1 2<br />
Faculty of Health Sciences, Hokkaido University, Kita-12, Nishi-5, Sapporo 060-0812, Japan Faculty<br />
of Pharmaceutical Sciences, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Hokkaido<br />
061-0293, Japan<br />
Oxidation of cholesteryl esters in lipoproteins by reactive oxygen species yields cholesteryl ester<br />
hydroperoxides (CEOOH). In this study, we developed a novel method <strong>for</strong> identification and<br />
characterization of CEOOH molecules in human lipoproteins by use of reversed-phase liquid<br />
chromatography with an hybrid linear ion trap–Orbitrap mass spectrometer (LC–LTQ Orbitrap).<br />
Electrospray ionization tandem mass spectrometric analysis was per<strong>for</strong>med in both positive-ion and<br />
negative-ion modes. Identification of CEOOH molecules was completed by use of high-massaccuracy<br />
(MA) mass spectrometric data obtained by using the spectrometer in Fourier-trans<strong>for</strong>m (FT) mode.<br />
Native low-density lipoproteins (nLDL) and native high-density lipoproteins (nHDL) from a healthy<br />
donor were oxidized by CuSO4, furnishing oxidized LDL (oxLDL) and oxidized HDL (oxHDL). No<br />
CEOOH molecules were detected in the nLDL and the nHDL, whereas six CEOOH molecules were<br />
detected in the oxLDL and the oxHDL. In positive-ion mode, CEOOH was detected as [M + NH4] + and<br />
[M + Na] + ions. In negative-ion mode, CEOOH was detected as [M +CH3COO] − ions.<br />
CEOOH were more easily ionized in positive-ion mode than in negative-ion mode. The LC–LTQ<br />
Orbitrap method was applied to human plasma and six species of CEOOH were detected. The limit of<br />
detection was 0.1 pmol (S/N=5:1) <strong>for</strong> synthesized CEOOH.<br />
- 59 -
No. 7 (PC 7)<br />
An approach to chemical education at medical technologist training institutions in<br />
Japan<br />
Hidetusgu Kohzaki<br />
Department of Cell Biology, Institute <strong>for</strong> Virus Research, Kyoto University, Japan<br />
I teach chemistry at a medical technology school (1, 2, 3, 4). Chemistry is not necessarily the favorite<br />
subject of Japanese students receiving paramedical education (1). However, many biochemical,<br />
microbiological, and advanced genetic tests (3, 4) are per<strong>for</strong>med in the medical setting, and solutions<br />
and media also have to be prepared. Nurses and paramedics including medical technologists rarely<br />
prepare solutions because of automation in the medical setting and a lack of time. However, they might<br />
feel uneasy about certain aspects of medical practice, such as the use of infusions and injections, if they<br />
do not know how to prepare and label solutions. In addition, the annual national examinations include<br />
questions on concentration calculations. In this article, I introduce our approach to providing chemical<br />
education <strong>for</strong> medical technologists.<br />
1. Kohzaki, H. A proposal of chemistry education <strong>for</strong> medical technologist/paramedics in Japan.<br />
Chemical <strong>Education</strong> Journal 14, 3, 2011. (http://chem.sci.utsunomiya-u.ac.jp/v14n1/kohzaki/)<br />
kohzaki. html)<br />
2. Kohzaki H. A proposal regarding English education at schools to train paramedics/medical<br />
technologists in Japan. Journal of Medical English <strong>Education</strong>. J. Med. Eng. Edu. 11(1), 7-14, 2012.<br />
3. Kohzaki H. Detection of chromosomal abnormality and mutations by Chromatin<br />
immunoprecipitation (ChIP) assay. J. Chromosome and Gene Analysis 28:122-126, 2010.<br />
4. Kohzaki H. A proposal of chromosome and gene analysis education in training institutions <strong>for</strong><br />
medical technologists and an idea of National examinations <strong>for</strong> them. J. Chromosome and Gene<br />
Analysis. 30:68-74, 2012.<br />
- 60 -
No. 8 (PC 8)<br />
Development of the enzymatic method of serum ethanolamine and examination of<br />
its clinical utility<br />
E. Ohta (1) , E.Hokazono (1) , M.Ono (2) , T.Hotta (2) , S.Osawa (3) , Y.Kayamori (1)<br />
1<br />
Division of Medical Technology, Department of Health Sciences, Graduate school of<br />
Medicine, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Japan<br />
2<br />
Department of Clinical Chemistry and Laboratory Medicine, Kyushu University<br />
Hospital, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Japan 3 Division of Clinical<br />
Laboratory Science, Department of Medical Risk And Crisis Management, Chiba<br />
Institute of Science, 15-8 Shiomi-cho, Choshi, Chiba, Japan<br />
Ethanolamine (EA) is mainly hydrolyzed from phosphatidyl ethanolamine (PE) by phospholipase D<br />
(PLD) in vivo. A study reported that urine EA increased in newborns as Zellweger syndrome, a<br />
congenital metabolic disease, but its concentration in blood and clinical significance in adults were not<br />
clarified. Recently, a metabolomics study using mass spectrometry reported that EA in saliva of<br />
pancreatic cancer patients increased significantly. There<strong>for</strong>e, our purposes are to develop a rapid and<br />
simple enzymatic method with an amine oxidase involving copper from Arthrobacter sp. (AAO) (EC<br />
1.4.3.6) and to examine the clinical meaning of EA in serum. In our measurement method, reagent 1<br />
(R-1) contained 0.1 mol/L HEPES buffer (pH 8.2 at 25ºC), 1.6 mmol/L TOOS, 5.0 kU/L POD, 1.12<br />
mmol/L N-ethylmaleimide, 16.8 kU/L L-ascorbate oxidase (ASOD) and 7.47 mmol/L NaN3. Reagent 2<br />
(R-2) contained 0.1 mol/L HEPES buffer (pH 8.2 at 25ºC), 20.0 kU/L AAO and 0.4 mmol/L<br />
4-aminoantipyrine. The assay used a Hitachi 7170 type analyzer. A 10 µL specimen was mixed with 180<br />
µL R-1; after incubation <strong>for</strong> 5 min at 37 ºC, 90 µL R-2 was added; after another 5 min, the mixture was<br />
measured using a 2-point end assay per<strong>for</strong>med at 37 ºC, with wavelengths of 700/546 (sub/main<br />
wavelength). The within-run CVs of the present method with three kinds of EA solutions ranged<br />
0.43-7.13% (n=10). The standard curve showed linearity from 0 to 800 µmol/L. Analytical recovery was<br />
98.4%. The reference interval of EA in normal was 8.17 ± 4.83 µmol/L (n=19). EA in hepatocellular<br />
carcinoma patient sera was significantly higher than normal. In conclusion, our method <strong>for</strong> serum EA is<br />
suitable <strong>for</strong> routine clinical use in the laboratory <strong>for</strong> determination of accuracy and simplicity. We<br />
consider EA in serum may be a new biomarker of hepatocellular carcinoma.<br />
- 61 -
No. 9 (PC 9)<br />
Establishment of enzyme-linked immunosorbent assay <strong>for</strong> urinary Tamm-Horsfall<br />
protein<br />
Aki Nakayama 1 , Ryo Kubota 2 , Minoru Sakatsume 3 , Shiro Iijima 1,4 , Kiyoko Shiba 4<br />
1. Faculty of Health Science Technology, Bunkyo Gakuin University, Japan<br />
2. Department of Health Sciences, Saitama Prefectural University, Japan<br />
3. Division of Clinical Nephrology and Rheumatology, Graduate School of Medical and<br />
Dental Sciences, Niigata University, Japan<br />
4. Graduate School of Health Care Science, Bunkyo Gakuin University, Japan<br />
Background: The Tamm-Horsfall protein (THP) is a 80–90 kD glycoprotein synthesized in the thick<br />
ascending limbs of the Henle’s loop in the kidney. Upregulation- or downregulation of this protein’s<br />
expression is observed in patients with several renal diseases. THP aggregates with itself or other<br />
urinary components. To dissociate this, the assay procedures require urine samples be highly diluted<br />
(>100-fold). There<strong>for</strong>e, we aimed to develop a highly sensitive enzyme-linked immunosorbent assay<br />
(ELISA) <strong>for</strong> determining urinary THP levels, and investigated the usefulness of measuring urinary THP<br />
levels in diagnosing renal dysfunction.<br />
Methods: THP was purified from pooled urine samples of healthy subjects by per<strong>for</strong>ming diatomaceous<br />
earth filtration. This THP was used as an antigen in mice to raise monoclonal antibodies by using classic<br />
hybridoma techniques, and used <strong>for</strong> the capturing of the antibody in the ELISA. Polyclonal antibody<br />
was also raised in rabbits, and used <strong>for</strong> the detection antibody. We analyzed 25 samples from untreated<br />
patients with different kinds of glomerulonephritis and age-matched healthy subjects. The urine samples<br />
were diluted to ~1:10000 with distilled water and with an alkaline diluent to inhibit THP polymerization<br />
under acidic urine conditions.<br />
Results: The range of the ELISA calibration curve was 0–40 μg/L, and the lower detection limit was<br />
0.313 μg/L. The dilution curves of urine samples showed good linearity. The within-run CV and the<br />
between-day CV were less than 8%. The assay recovery was 81–123%. The urinary THP concentrations<br />
of the patients with glomerulonephritis (10.8 ± 2.04 mg/L) were significantly lower than those of the<br />
healthy subjects (49.2 ± 5.48 mg/L).<br />
Conclusion: The newly developed ELISA showed high sensitivity <strong>for</strong> detecting THP in highly diluted<br />
urine samples and showed that urinary THP levels could aid in diagnosing renal dysfunction.<br />
- 62 -
No. 10 (PC 10)<br />
Direct analysis of chemical substances in biofluids without sample pretreatment<br />
Ritsuko Wakayama 1 , Yasushi Iwasaki 1 , Motoaki Kamachi 1 , Natsumi Sawa 2 , Katsuko Hara 2 ,<br />
Yutaka Komiyama 2<br />
1 Showa Denko K.K, Japan, 2 Department of Clinical Sciences and Laboratory Medicine, Kansai Medical<br />
University Takii hospital, Japan<br />
Sample pretreatment is often a time consuming and laborsome step which can be a restricting factor <strong>for</strong><br />
the rapid analysis. This is especially true <strong>for</strong> the analysis of drugs in biofluids containing many<br />
interfering matrices. There<strong>for</strong>e, we developed a direct analysis method <strong>for</strong> drugs in biofluids, using a<br />
polymer-based reversed-phase HPLC column which has a unique feature of retaining hydrophilic target<br />
compounds while excluding large biological matrices prior to the elution of targets. Following<br />
conditions were used. Column; Shodex ODP2 HP-4D (4.6 mm ID x 150 mm L) and ODP2 HP-4E (4.6<br />
mm ID x 250 mm L) from Showa Denko K.K. Eluent; 0.1% TFA/CH3CN = 93/7. Flow rate; between<br />
0.3 and 0.6 mL/min. Injection volume; from 5 to 10 uL. Detector; UV with wavelength between 215 and<br />
272 nm. Column temperature; 40°C. Standards were prepared in the eluent. Optimal conditions <strong>for</strong> each<br />
target and biofluids varied slightly. For the identification purpose, each peak were fractionated, and then<br />
injected directly to a MS/MS. The components of typical cold medicines were detected without the<br />
influence of biological matrices. Blood serum, urine, and gastric juice samples were collected from<br />
suspected drug-poisoned patients transported to the emergency and critical care medicine. Several<br />
components in cold medicine were detected in one patient’s serum: 44.1 ug/mL acetaminophen, 11.0<br />
ug/mL dihydrocodein phosphate, and 22.6 ug/mL aspirin. A small amount of salicylamide and salicylic<br />
acid was also found. Theophylline and risperidone were detectable in other patients’ serum samples. In<br />
one case of accidental insecticide poisoning, imidacloprid was detected in the patient’s gastric juice.<br />
The presented method using the ODP2 HP column provides a simple and rapid analysis of drugs in<br />
biofluids without the necessity of complex sample pretreatment. This method is applicable <strong>for</strong> the<br />
diagnosis and treatment of patients who are poisoned or overdosed counter medicine.<br />
- 63 -
No. 11 (PC 11)<br />
Indoxyl Sulfate is an Independent Risk Factor <strong>for</strong> Coronary Heart Disease in<br />
Patients with Chronic Kidney Disease<br />
Ippei Watanabe 1 , Shunji Namba 2 , Yuko Okuda 2 , Akiko Morimoto 2 , Tetsumi Kojima 2 ,<br />
Masanari Sano 2 , Toshisuke Morita 1<br />
1. Deartment of Laboratory Medicine Graduate School of Medicine Toho University, Japan<br />
2. Clinical Laboratory Toho University Omori Medical Center, Japan<br />
Background: Chronic kidney disease (CKD) has been recognized as an independent risk factor <strong>for</strong><br />
coronary heart disease (CHD). Indoxyl sulfate (IS), one of uremic toxins, may play an important role<br />
in cardio-renal syndrome and our previous in vitro study showed that IS mediates vascular toxicity<br />
through enhanced oxidative stress in human endothelial cells. However, it is still unclear how<br />
accumulated IS in patients with renal dysfunction affects clinical outcome in those patients. In the<br />
present study, we examined the relation between CHD and serum IS levels in patients with CKD.<br />
Methods: In November 2010, patients in different CKD stages were divided into two groups (CHD<br />
group n=50 and non-CHD group n=62). CHD was diagnosed by coronary angiography, nuclear<br />
cardiac scintigraphy or multi-slice CT. The background and clinical characteristics of two groups were<br />
compared using receiver-operating characteristic analysis and multivariate analysis. The cut-off value of<br />
serum IS level was calculated to achieve its risk index on CHD.<br />
Results: Serum IS levels were significantly higher in the CHD group than in the non-CHD group<br />
(P
No. 12 (PC 12)<br />
Reference value <strong>for</strong> serum folic acid level in Japanese adults<br />
Naoko Yamaguchi, Tomohiro Takeda, Chizuko Kuramoto, Takao Uchiike, Masaharu Yamazaki,<br />
and Yasuyuki Okamoto<br />
Central Clinical Laboratories, Nara Medical University, Japan<br />
Since folic acid deficiency in early pregnancy may cause neural tube closure defect in embryos,<br />
Japanese Ministry of Health, Labour and Welfare recommends a daily intake of 0.4 mg folic acid <strong>for</strong><br />
women who can become pregnant. It has been believed that the food folate is generally sufficient in<br />
Japanese adults, however, it has been suggested that recent changes in domestic eating habits might<br />
have reduced the intake. Thus, we measured folic acid in sera of Japanese healthy adults using a<br />
chemiluminescent enzyme immunoassay (CLEIA), and here report the reference value obtained as a<br />
result.<br />
Materials and Methods<br />
Three hundreds and fifty-nine healthy volunteers in our hospital were enrolled in the study. Serum<br />
folic acid, vitamin B12 and ferritin were measured on an Access2 analyzer (Beckman-Coulter Inc.).<br />
Results<br />
The reference value between the 2.5th and 97.5th percentiles in the frequency distribution of serum<br />
folate levels was determined as 2.41-11.93 ng/mL. Median values <strong>for</strong> serum folate levels were: 4.16<br />
ng/mL in males, 4.75 ng/mL in females, and 4.57 ng/mL in all subjects. Serum folate levels tended to be<br />
higher in females and lower in younger subjects.<br />
Discussion<br />
Our reference value <strong>for</strong> serum folate levels is similar to that reported previously in the UK using the<br />
same analyzer. The finding that serum folate levels are higher in female subjects is also consistent with<br />
the previous reports. The reason why serum folate levels were lower in our younger subjects is<br />
unknown, but might be explained by differences in eating habits between generations. We are preparing<br />
to report a further study on serum folate levels in pregnant women and anemic patients.<br />
- 65 -
No. 13 (PC 13)<br />
Effects of alpha lipoic acid as an antioxidant in preventing renal mitochondrial<br />
oxidative damage in diabetic rats<br />
Noraihan Mat Harun, Rahajoe Imam Santosa<br />
Department of Basic Medical Sciences, Kulliyyah of Medicine, International Islamic University,<br />
Malaysia, Kuantan-Malaysia<br />
Diabetes mellitus is a metabolic disorder characterized by chronic hyperglycemia due to inadequate<br />
secretion of insulin or insufficient action of the endogenous insulin. Oxidative stress has an important<br />
role in the pathogenesis of diabetic complications and mitochondria represent a major source of the<br />
reactive oxidants that lead to cellular oxidative damage. This study is design to observe the effect of<br />
alpha lipoic acid (ALA) as mitochondrial antioxidant in preventing renal mitochondrial oxidative<br />
damage in diabetic induced rats. In this study, the rats were divided into three groups. Normal Control<br />
(NC) group was served as a control; Diabetic Control (DC) group was induced <strong>for</strong> diabetes without<br />
given any supplementation, while Diabetic-Alpha Lipoic Acid (D-ALA) group was<br />
streptozotocin-induced diabetic rats, supplemented with ALA daily <strong>for</strong> six weeks. The ability of ALA in<br />
preventing renal mitochondrial oxidative damage was evaluated by comparing the renal function in<br />
terms of serum urea, serum creatinine and creatinine clearance in both supplemented and<br />
non-supplemented rats, as well as mitochondrial H2O2 concentration and GSH/GSSG ratio as parameters<br />
<strong>for</strong> the oxidative stress. The results showed that ALA capable to ameliorate the defective antioxidant<br />
defense system leads to modulate the oxidative stress in terms of lower H2O2 concentration and higher<br />
GSH/GSSG ratio in D-ALA group compared with DC group. However the significant reduction of<br />
oxidative stress did not correlate well with the renal function parameters, in which only showed<br />
significant improvement of serum urea, but not serum creatinine or creatinine clearance. In conclusion,<br />
ALA treatment capable to ameliorate the defective antioxidant defense system and modulate the<br />
oxidative stress, but partially preventing the progression of renal dysfunction in diabetic rats.<br />
- 66 -
No. 14 (PC 14)<br />
Detection of autoantibodies against ATTR in patients with FAP ATTR V30M<br />
Konen Obayashi 1 , Masayoshi Tasaki 2 , Satoru Shinriki 1 , Genki Suenaga 2 and Yukio Ando 2<br />
1<br />
Diagnostic Unit <strong>for</strong> Amyloidosis, Department of Laboratory Medicine, Kumamoto University Hospital,<br />
and 2 Department of Neurology, Graduate School of Medical Sciences, Kumamoto University, Japan<br />
Background: It has been well documented that con<strong>for</strong>mational changes via instability of tetrameric <strong>for</strong>m<br />
TTR occurs during the process of amyloid <strong>for</strong>mation in FAP. Some cryptic epitopes expose on<br />
amyloidogenic TTR (ATTR) molecule surface during the process in sera of FAP patients. There is a<br />
possibility that de novo antibodies responded to cryptic epitopes of ATTR may be synthesized in serum<br />
of FAP patients. Objective: To examine whether a relationship exists between the incidence of<br />
autoantibodies against ATTR and the phenotype of FAP ATTR V30M. Methods: Serum samples were<br />
collected from 25 Japanese (28-32 years old) and 8 Swedish (67-81 years old) FAP ATTR V30M<br />
patients, 4 Japanese gene carriers of ATTR V30M, and 24 Japanese healthy controls which had no<br />
genetic mutations of TTR. To detect the presence of autoantibodies against ATTR in these serum<br />
samples, enzyme-linked immunosorbent assay (ELISA) using recombinant ATTR V30M protein was<br />
immobilized on a polystyrene microtiter plates. Correlation between data of the ELISA and age of the<br />
subjects or duration of FAP was investigated. Results: Three of 25 Japanese and 5 of 8 Swedish FAP<br />
ATTR V30M patients were found to have autoantibodies against ATTR, and these 8 patients were all<br />
late onset cases. Moreover, significant positive correlation between the presence of the antibody and age<br />
was observed in all the patients examined (r=0.77, p < 0.05). We are now trying to detect<br />
con<strong>for</strong>mational epitope binding to the autoantibodies against ATTR V30M. Our preliminary data<br />
suggested the possibility that there were some epitopes at positions 24-35 or 105-115 of ATTRV30M.<br />
Conclusions: Age-dependent increase in the incidence of autoantibodies was observed in patients with<br />
FAP ATTR V30M. This phenomenon may influence the clinicopathological differences between both<br />
early (
No. 15 (PC 15)<br />
Preparation of multi-purpose matrix-based material <strong>for</strong> laboratory service and<br />
investigation<br />
Sumiyoshi Naito 1 , Kazumi Akasaska 3 , Shuichi Kino 3 , Yutaka Tomoda 3 , Tadashi Matsubayashi 4 ,<br />
Nobuyuki Kubota 2 , Junichi Ando 5 , Shigemi Hosogaya 6 , Yoshihisa Itoh 1 .<br />
Asahikawa Medical University 1 , Eiken Chemical Co., Ltd. 2 , Asahikawa Medical University Hospital 3 ,<br />
Nissui Pharmaceutical Co., Ltd. 4 , SRL, Inc. 5 , Kagawa Prefectural University of Health Sciences 6 , Japan<br />
Aim Reference material is a key in setting reference measurement system. If it is serum-matrix base<br />
and analytes contained are closely similar, it can be used <strong>for</strong> many other clinically relevant purposes.<br />
We have newly developed the multi-purpose serum-matrix base reference material.<br />
Materials and Methods The material was prepared in a similar manner as ERM-DA470, an<br />
international reference material of serum proteins, IRMM. In short it is lyophilized after processing<br />
normal pooled sera (Shima Laboratories, Japan), reconstituted with hepes buffer, and spiked with CRP,<br />
cystatin C, and beta-2-microglobulin.<br />
Results We have successfully prepared the material with high safety, short-term stability, and<br />
long-term stability. Tests are negative <strong>for</strong> HBV, HCV, and HIV. After reconstituting with 1 ml of water<br />
the value was unchanged at 4ºC and room temperature until 12 hours. We confirmed the stability <strong>for</strong><br />
one year. Storage at 4ºC and -80ºC gave a good result. These include CRP, cystatin C, beta<br />
2-microoglobulin, pepsinogen I, II, and others. No inter-vial differences are noted. 31 different serum<br />
proteins and cytokine value was initially set by participation of immunoassay systems. The value in<br />
each analyte was generally 2/3 of that of normal adult, which may be caused by amount of distilled<br />
water added. Some minute discrepancy was found in the reaction of cystatin C and beta2-microglobulin<br />
between the material and patient’s sera.<br />
Comments The present prepared material definitely play a unique role <strong>for</strong> standardization <strong>for</strong><br />
immunoassay of different kinds of analytes, especially non-standardized controls <strong>for</strong> everyday’s<br />
laboratory services, and references of a given analyte <strong>for</strong> experimental purpose.<br />
- 68 -
No. 16 (PC 16)<br />
Temporal changes in estimated glomerular filtration rate (delta eGFR) may be a<br />
predictor of progression to coronary heart disease<br />
So-Young Kim, Tae-Dong Jeong, Woochang Lee, Sail Chun, Won-Ki Min*<br />
Department of Laboratory Medicine, Asan Medical Center and University of Ulsan College of Medicine,<br />
Seoul, Korea<br />
Background: Chronic kidney disease and cardiovascular disease are major public health problems<br />
worldwide and often share the same pathophysiological mechanisms. Indeed, the prevalence of<br />
traditional cardiovascular risk factors can be higher in those with impaired kidney function, and most<br />
patients with a lower estimated glomerular filtration rate (eGFR) die of cardiovascular causes and not<br />
due to progression to end stage renal disease. However, the effect of reduced eGFR on coronary heart<br />
disease has not been well delineated among Korean population. Here, we reviewed temporal changes in<br />
eGFR (delta eGFR, ΔeGFR) of the healthy Korean population, and then, carried out a study to<br />
investigate the link between a ΔeGFR and the risk of coronary heart disease.<br />
Methods: We reviewed data of 7676 healthy outpatients selected from a population of - 10,000<br />
individuals referred to the health promotion center of the ASAN medical center between January 2010<br />
and December 2010. At the time of the first evaluation, data of patients` age, sex, blood pressure,<br />
creatinine, total cholesterol, LDL, HDL and triglycerides as well as history of smoking, hypertension or<br />
familial coronary heart disease were collected by chart review. The % risk of coronary heart disease<br />
were calculated by Framingham score (Score:www.nhlbi.nih.gov/guidelines/cholesterol). We classified<br />
ΔeGFR % into 4 groups according to Gaussian distribution, ±2 standard deviation (SD); below -2SD,<br />
-2SD to mean, mean to +2SD, over +2SD (mean=1.559, SD=9.5837).<br />
Results: Among the enrolled patients, 5.9% (456 patients) were over 15 of the Framingham score, and<br />
this is equivalent of coronary heart disease risk over 20% which means they have high risk <strong>for</strong><br />
occurrence of coronary heart disease in ten yrs. A group of over +2SD (ΔeGFR > 19.17%) had odds<br />
ratio of 3.656, and it was related to incident % risk of coronary heart disease rather than other ΔeGFR<br />
groups.<br />
Conclusions: A decline of eGFR > 19.17% was independently related to incident % risk of coronary<br />
heart disease. ΔeGFR could be a possible indicator of progression to the coronary heart disease in<br />
general population. There<strong>for</strong>e, this parameter may be potentially used <strong>for</strong> screening subjects with higher<br />
risk of coronary heart disease.<br />
Keywords: estimated glomerular filtration rate (eGFR), delta eGFR (ΔeGFR), coronary heart disease,<br />
chronic kidney disease<br />
- 69 -
No. 17 (PC 17)<br />
Development of C-reactive protein assay <strong>for</strong> human saliva<br />
Yumi Narita, Taku Shirakawa<br />
Department of Biophysics, Graduate School of Health Sciences, Kobe University, Japan<br />
BACKGROUND: Measurement of C-reactive protein (CRP) in saliva may be able to be used <strong>for</strong> the<br />
early detection of the inflammatory disorder of infants or home care patients. However, the reports about<br />
the correlation between salivary and serum CRP vary among researchers. Such differences might be<br />
caused in the step of pretreatment or collection of saliva. In this study, we examined these steps in order<br />
to develop a high-sensitivity assay <strong>for</strong> salivary CRP.<br />
METHODS: Salivary CRP concentration was determined by sandwich enzyme-linked immunoassay<br />
(ELISA). To improve the sensitivity of the assay, Ampliflu TM Red (Sigma) was used as a fluorogenic<br />
substrate. Saliva was collected by drooling and/or saliva collection swab. Saliva samples were diluted<br />
1:1 in sample diluent containing Tween20 and/or cation, then centrifuge at 1500g <strong>for</strong> 5 minutes.<br />
Concentrations of Tween20 and cations were examined in 0 to 1% and 0 to 1000mM, respectively. The<br />
validity of ELISA was examined by intra-assay precision and recovery test. Saliva and serum samples<br />
from 28 healthy volunteers were collected, and then CRP concentrations were measured in order to<br />
evaluate the correlation of salivary and serum CRP.<br />
RESULTS: 500mmol/L MgCl2 and 0.25%Tween20 were best at enhancing the CRP fluorescent signal.<br />
Both MgCl2 and Tween20 were essential to detect strong signal. Under these conditions intra-assay CV<br />
was 3.0%, and recovery was 102-107%. CRP concentration decreased 30% in samples collected with<br />
saliva collection swabs in comparison with drooling. CRP was measurable in saliva samples (84.8 to<br />
4104.3pg/mL) and serum samples (26.0 to 2015.4ng/mL). There was a positive correlation between<br />
salivary and serum CRP (r=0.77).<br />
CONCLUSIONS: Strong enhancement of CRP fluorescent signal was observed in the presence of<br />
MgCl2 and Tween20. Salivary CRP concentration was affected by collection method. Salivary CRP and<br />
serum CRP moderately correlated. This result will support <strong>for</strong> the validation of salivary CRP as an<br />
alternative marker of inflammation.<br />
- 70 -
No. 18 (PC 18)<br />
IODINE STATUS AMONG THE SCHOOL CHILDREN OF HILLY AND PLAIN<br />
REGION OF EASTERN NEPAL<br />
Baral N 1 , Khatiwada S 1 , Shakya PR 1 , Sah GS 2 , Gelal B 1 , Das BKL, Lamsal M 1<br />
1 Department of Biochemistry, 2 Department of Pediatrics and Adolescent Medicine, B. P. Koirala<br />
Institute of Health Sciences, Dharan, Nepal<br />
Introduction: Iodine deficiency is a leading cause of preventable mental retardation in the world today<br />
affecting 19.4% population of Nepal. It is particularly affect the developing brain of fetus and neonates.<br />
The geographical situation and poor accessibility of adequately iodized salt are the main cause of iodine<br />
deficiency in our country. Urinary iodine excretion (UIE) reflects current iodine intake and salt iodine<br />
content explore the level of iodine in household level.<br />
Objective: To assess the iodine status of the school children in Eastern Nepal.<br />
Materials and methods: A community based study was conducted on twelve districts of the Eastern<br />
Nepal representing hilly (Taplejung, Panchthar, Ilam, Dhankuta, Tehrathum and Sankhuwasabha) and<br />
plain region (Jhapa, Morang, Sunsari, Saptari, Siraha and Udayapur) on January 2008 to January 2012.<br />
A total of 4525 primary school children (6-12 years) were enrolled in the study and equal numbers of<br />
salt and urine samples were collected <strong>for</strong> the assessment of iodine status. UIE was measured by<br />
ammonium-persulphate digestion microplate (APDM) method and salt iodine content by semi<br />
quantitative rapid test kit.<br />
Results: Our study showed that 583 (12.9%) of school consumed open salt whereas 3942 (87.1%)<br />
consumed packet salt. Majority (86.7%) of school children consumed adequately iodized salt but 10.2%<br />
consumed inadequately iodized salt and 1.1 % children consumed salt with no iodine. The median UIE<br />
of the all school children is 241.08µg/L indicate the adequate iodine nutrition but still 13.1% children<br />
were suffering from some degree of iodine deficiency.<br />
Conclusion: Based on the result we conclude that iodine status of the school children in Eastern Nepal<br />
is improving but continuous monitoring of the population is necessary <strong>for</strong> the sustainable elimination of<br />
iodine deficiency disorders (IDD) from the country and prevention of iodine induced diseases.<br />
- 71 -
No. 19 (PC 19)<br />
Lipid Profile in Menopausal women of Different Parity and Basal Metabolic index<br />
status in South west, Nigeria<br />
Adesina Adeyemi Adeleke; Ogunlewe Jayeola; Oyedeji Samuel<br />
Department of Chemical Pathology, OAUTHC, Ife, PMB5538, Osun-state, Nigeria<br />
Background: Studies from different part of the world have reported the changes in<br />
plasma lipid and lipoproteins cholesterol in post-menopausal women and its attendance<br />
risk of cardiovascular disease. Many researchers are still gathering the contributing<br />
factors to this condition. The research was carried out to evaluate some factors that may<br />
contribute to the dyslipidemic lipid profile observed in post-menopausal women.<br />
Methods: Analysis of fasting plasma cholesterol, lipoproteins and triglycerides were done<br />
using standard spectrophotometric methods in eighty (80) post-menopausal women and<br />
fifty (50) pre-menopausal women. Basal metabolic index were determine by measuring<br />
their weight and height. Parity status of each subject was noted.<br />
Results: Post-menopausal women lipid profile shows dyslipidemic picture compare with<br />
pre-menopausal women. Total cholesterol 6.02±1.0 and 4.08±0.84mmol/l, P
No. 20 (PC 20)<br />
Plasma free Fatty Acid Levels in Norma- and Hyper-tensile pregnant women be<strong>for</strong>e<br />
and 72 Hour after delivery in Osun-state Nigeria<br />
Adesina Adeyemi Adeleke; Oyedeji Samuel; Taiwan Funke<br />
Department of Chemical Pathology, OAUTHC, Ife, PMB5538, Osun-State, Nigeria<br />
Background: Pregnancy induces hypertension has been one of the major threats to improve<br />
life expectancy of our women. While majority lack access to good health care facilities,<br />
Gynecologist still find it difficult to identify a specific marker <strong>for</strong> predicting or biochemical<br />
responsible <strong>for</strong> its pathogenesis.<br />
Aim: Estimation of fasting Plasma level of free fatty acid in second, third trimesters, 24<br />
hours be<strong>for</strong>e delivery and three days after delivery in norm and hypertensive pregnant<br />
women.<br />
Method: Twenty (20) hypertensive pregnant women and twenty normotensive pregnant<br />
women attending anti-natal clinic and admitted to labor and post-natal ward were involved<br />
in this study. The average blood pressure of hypertensive pregnant women in second, third<br />
trimester, 24hours be<strong>for</strong>e delivery and 72 hours after delivery were 150/100 mmHg,<br />
170/110mmHg and 170/120mmHg and 150/90mmHg. Normotensive pregnant women have<br />
average of 110/70mmHg in all stages. Plasma free fatty acid was estimated using standard<br />
spectrophotometric method.<br />
Results: The mean plasma free fatty acid in norm and hypertensive pregnant women in<br />
various stages are; second trimester 2.7±0.2 and 2.3±0.3mmol/l, P
No. 21 (PC 21)<br />
Lipid Peroxidation and Selected Non-Enzymatic Antioxidants in Sickle Cell Disease<br />
Patients in South West, Nigeria<br />
Adesina Adeyemi Adeleke; Oyedeji Samuel; Oladepo Ridwan; Oke Taiwo; Fasakin Kolawole<br />
Department of Chemical Pathology, OAUTHC, Ife, PMB5538, Osun-State, Nigeria<br />
Department of Heamatology and Blood Transfusion, OAUTHC, Ife, Osun-State, Nigeria<br />
Objective: Sickle cell anaemia (SCA) is hereditary disorder with higher potential <strong>for</strong> oxidative damage<br />
due to chronic redox imbalance in red cells and vaso-occlusive crisis.<br />
Methods: Levels of lipid peroxidation and vitamins antioxidant status were determine in fifty (50)<br />
sickle cell anaemia patients in Osun State, Nigeria. Thirty (30) normal heamoglobin individual were<br />
used as controls. Malondialdehyde (MDA), Vitamin C, vitamin E, Lipid profile were estimated in<br />
patients and control serum using standard spectrophotometric analysis.<br />
Results: The results showed significant increase in MDA of patients compared with control 0.94± 0.2<br />
and 0.49±4µmol/l, P
No. 22 (PE 1)<br />
Two-Step Biochemical Differential Diagnosis of Classic 21-hydroxylase Deficiency<br />
and Cytochrome P450 Oxidoreductase Deficiency in Japanese Infants Using<br />
Urinary Steroid Metabolites by Gas Chromatography - Mass Spectrometry<br />
Yuhei Koyama 1)2) , Keiko Homma 3) , Maki Fukami 4) , Masayuki Miwa 5) , Kazushige Ikeda 5) ,<br />
Tsutomu Ogata 4) , Tomonobu Hasegawa 5) , Mitsuru Murata 1)<br />
1) Department of Laboratory Medicine, Keio University School of Medicine, 2) Mitsubishi Chemical<br />
Medience Co., 3) Central Clinical Laboratories, Keio University Hospital, 4) Department of<br />
Endocrinology and Metabolism, National Research Institute <strong>for</strong> Child Health and Development, 5)<br />
Department of Pediatrics, Keio University School of Medicine, Japan<br />
[Introduction] The clinical differential diagnosis of classic 21-hydroxylase deficiency (C21OHD) and<br />
cytochrome P450 oxidoreductase deficiency (PORD) is sometimes difficult since both deficiencies can<br />
have similar phenotypes and high blood concentrations of 17α-hydroxyprogesterone (17OHP). The<br />
objective of this study was to explore novel biochemical indexes <strong>for</strong> the differential diagnosis of<br />
C21OHD, PORD, and transient hyper 17α-hydroxyprogesteronemia (TH17OHP) in Japanese newborns.<br />
[Material and Methods] We recruited 29 infants with C21OHD, 9 infants with PORD, 67 infants with<br />
TH17OHP, and 1341 control infants. All infants were Japanese between 0-180 days old. None<br />
received glucocorticoid treatment be<strong>for</strong>e urine sampling. We measured urinary pregnanetriolone (Ptl),<br />
the cortisol metabolites 5α- and 5β-tetrahydrocortisone (sum of these metabolites defined THEs), and<br />
metabolites of three steroids, namely dehydroepiandrosterone, androstenedione (AD4) and<br />
11β-hydroxyandrostenedione (11OHAD4) by gas chromatography-mass spectrometry.<br />
[Results] By using a cutoff 0.020, the ratio of Ptl to THEs, we were able to differentiate C21OHD and<br />
PORD from TH17OHP and controls with no overlap (minimum – maximum: 0.14-15, 0.051-0.23,<br />
0.00010-0.011, and 0.000068-0.0083, respectively). Among metabolites of DHEA, AD4, and<br />
11OHAD4, only 11β-hydroxyandrosterone (11HA), a metabolite of 11OHAD4, showed no overlap<br />
between C21OHD and PORD (0.61-24 and 0.022-0.22 mg/g creatinine, respectively) using a cutoff of<br />
0.35.<br />
[Conclusion] We successfully established a 2-step biochemical differential diagnosis <strong>for</strong> C21OHD and<br />
PORD by urinary steroid metabolites such as Ptl, THEs, and 11HA.<br />
- 75 -
No. 23 (PE 2)<br />
Total cholesterol/HDL cholesterol ratio and LDL cholesterol/Apo B ratio as risk<br />
factors <strong>for</strong> cardiovascular disease in prediabetic of first-degree relatives from<br />
patients with type 2 diabetes mellitus.<br />
Bety Kus Rini Sari, Marzuki Suryaatmadja<br />
Department of Clinical Pathology, Medical Faculty, Universitas Indonesia<br />
Prediabetic patients can progress to type 2 diabetes mellitus (t2DM) and cardiovascular disease<br />
(CVD). Lipid profile has an important role in CVD. However there is still few data about Apo B level,<br />
total cholesterol/HDL-cholesterol ratio (TC/HDL-C ratio) and LDL-cholesterol /Apo B ratio<br />
(LDL-C/ApoB ratio) in first-degree relatives from patients with t2DM in Indonesia. This study aimed<br />
to get picture of Apo B level, TC/HDL-C and LDL-C/Apo B ratios in the first degree relatives from<br />
patients with t2DM as markers <strong>for</strong> early detection of CVD.<br />
The prediabetes i.e. impaired fasting glucose or impaired glucose tolerance was diagnosed based on<br />
blood glucose level. This cross sectional designed study consisted of 56 prediabetic subjects and 56<br />
normoglycaemic subjects, all were the first-degree relatives from patients with t2DM. Total cholesterol,<br />
HDL cholesterol, LDL cholesterol were determined by enzymatic and direct homogenous enzymatic<br />
methods whereas Apo B was determined by immunoturbidimetric methods.<br />
In prediabetic subgroup TC/HDL-C ratio was significantly higher (4.5±1.1 vs 3.2± 0.5; p
No. 24 (PE 3)<br />
Adiponectin HMW Level and Homeostasis Model Assessment-Insulin Resistance<br />
(HOMA-IR) in Type 2 Diabetes Mellitus First Degree Relatives<br />
Yulia Sari, Marzuki Suryaatmadja, Budiman Darmowidjojo<br />
Department of Clinical Pathology, Medical Faculty, Universitas Indonesia<br />
Type 2 diabetes mellitus (t2DM) accompanied by macro and microangiopathy complications had<br />
been a serious global problem, with an increasing morbidity and mortality rates.<br />
The most important pathogenesis is insulin resistance (IR), which could be predicted by the<br />
Homeostasis Model Assessment-Insulin Resistance (HOMA-IR). Adiponectin has been<br />
already known to increase the insulin sensitivity and play role in balancing the<br />
glucose metabolism. It is very important to be able to detect the prediabetes early to prevent the<br />
complications.. The aim of this study is to get the picture of adiponectin HMW level and the HOMA-IR<br />
as IR predictors in the t2DM first degree relatives, and the correlation between adiponectin level with<br />
fasting insulin and HOMA-IR. This cross-sectional designed study was conducted from April 2011 until<br />
January 2012, on t2DM first degree relatives. The subjects consisted of 52 prediabetes and 52<br />
normoglycaemic respondents. The result revealed that in prediabetic group, the adiponectin HMW<br />
levels in both men and women were significantly lower (P=0,003), HOMA-IR were significantly higher<br />
than in the normoglycaemic group (P=0,0026), and there were negative correlations<br />
between adiponectin HMW level in both men and women with HOMA-IR and fasting<br />
insulin. These findings had proven that IR had been presented in prediabetes stage which was correlate<br />
well to the hypoadiponectinemia. Based on these results, it is recommended to measure adiponectin<br />
HMW, insulin and HOMA-IR in t2DM first degree relatives to detect the IR and to prevent the sickness<br />
earlier to decrease the morbidity and mortality rates.<br />
Keywords: Type 2 Diabetes Mellitus, first degree relatives, prediabetes, insulin resistance,<br />
HOMA-IR, adiponectin HMW<br />
- 77 -
No. 25 (PE 4)<br />
Age-related Anti-Müllerian hormone Concentrations in Healthy Korean Females<br />
Lee, A 1 ; Jang, TG 2 ; Lim, SY 2 ; Park, JC 2 ; Rhee, JH 2 ;Kim, YJ 1 ; Lee, KY 1<br />
Seoul Medical Science Institute/Seoul Clinical Laboratories, Seoul, Korea 1 , Department of Obstetrics<br />
and Gynecology, School of Medicine, Keimyung University, Daegu, Korea 2<br />
Backgrounds : Currently, serum anti-Müllerian hormone (AMH) in women has been increasingly used<br />
<strong>for</strong> ovarian reserve function assessment in fertility centers. Here we evaluated age-related AMH values<br />
in various ages of healthy females in Korea, and investigated the relationships with antral follicle count<br />
(AFC) and other fertility hormones.<br />
Methods: We recruited 222 healthy females without specific infertility history in various ages. For<br />
women of reproductive age, blood samples were drawn at day 3 from the onset of cycle. AMH was<br />
measured by ELISA (Immunotech SAS, France). E2, FSH and LH were measured by<br />
chemiluminescence immunoassay (ADVIA Centaur ® XP, Siemens, USA). Statistical analysis was<br />
per<strong>for</strong>med using MedCalc software (version 12.3, Belgium). AMH values were calculated in different<br />
age groups, and correlation of AMH and other hormones were analyzed. For 104 patients whose AFC<br />
assessment was available, correlations of AFC and each hormone were also analyzed.<br />
Results: 2.5 - 97.5 percentiles of AMH values depending age groups are as follows: 0.10 - 3.99 ng/mL<br />
(60 years, n=43). AMH negatively correlated with FSH (r =<br />
-0.4213, P < 0.0001), LH (r = -0.3858, P < 0.0001) and E2 (r = -0.2070, P = 0.0025). Regarding the<br />
relationship of each hormone with AFC, AMH positively correlated with AFC (r = 0.7375, P < 0.0001),<br />
while negatively correlated FSH (r = -0.5401, P < 0.0001).<br />
Conclusion: AMH values should be interpreted in caution, with regard to women’s age, because AMH<br />
values are steadily increased from birth until 20 th , and continuously decreased after 30 th . AMH best<br />
correlates with AFC, which suggest AMH is one of the most promising markers <strong>for</strong> assessment of<br />
ovarian reserve function.<br />
- 78 -
No. 26 (PE 5)<br />
Analysis of von Willebrand Factors’ Level in Type 2 Diabetes Mellitus<br />
Mansyur Arif 1 , Ichwan Meinardi 1 , Uleng Bahrun 1 , Harsinen Sanusi 2<br />
1 2<br />
Department of Clinical Pathology, Department of Internal Medicine,<br />
Faculty of Medicine Hasanuddin University, Makassar, Indonesia<br />
The aim of this study was to analyze von Willebrand Factor (vWF) level as the risk factor of thrombosis<br />
in type 2 diabetes mellitus. A cross sectional study had been done at Endocrine Metabolic Subdivision<br />
Department of Internal Medicine of Wahidin Sudirohusodo Hospital. Laboratory examination had been<br />
done at Clinical Pathology Laboratory of Wahidin Sudirohusodo Hospital Makassar. Seventy-five<br />
participants consisted of 52 subjects with type 2 DM and 25 normal subjects as controls had been<br />
examined. The results of this study showed that the age of type 2 DM subjects were ranging from 39-74<br />
years old and the age of normal controls were ranging from 30-44 years old. The level of vWF in type 2<br />
DM and normal controls were 86-362% and 41-210%, respectively. There was significantly increased of<br />
vWF level in type 2 DM. It was proven that in subject with type 2 DM occurred hypercoagulation states<br />
that characterized by elevated level of vWF. The level of vWF is suggested to be a marker of<br />
hypercoagulation states caused by endothelial dysfunction in type 2 DM. Further study is suggested to<br />
determine the level of vWF in type 2 DM by including other risk factors such as hypertension,<br />
dyslipidemia, smoking and obesity.<br />
Key words: Type 2 Diabetes mellitus, von willebrand factor<br />
- 79 -
No. 27 (PI 1)<br />
Combination of Anti-HCV Assay to Improve Per<strong>for</strong>mance of Hepatitis C Screening<br />
Test in Prodia National Reference Laboratory, Indonesia<br />
Romimatul Fadhilah, Yenny Surjawan, Indriyanti R. Sukmawati<br />
Prodia Clinical Laboratory, Indonesia<br />
Anti-HCV assay <strong>for</strong> hepatitis C screening test has been widely used. Based on CDC guideline (2003),<br />
positive anti-HCV screening result has to be verified by immunoblotting assay or nucleic acid testing. In<br />
fact, not all laboratories in Indonesia have facilities to per<strong>for</strong>m this test. Prodia National Reference<br />
Laboratory received samples <strong>for</strong> anti-HCV screening test from its hundred branches. Samples sources<br />
were from vary population with varying prevalence of hepatitis C. In our experience, samples referred<br />
<strong>for</strong> anti-HCV assay from other laboratories quite often showed discordance results with ours. Previous<br />
evaluation of 4 automated analyzers <strong>for</strong> anti-HCV assay by Kim et al (2008) showed good sensitivity<br />
(100 %), but 3.7 % still showed false positive results. There<strong>for</strong>e an evaluation of routine anti-HCV<br />
screening test should be per<strong>for</strong>med. We evaluated 55 samples using 3 analyzers (Advia Centaur,<br />
Architect-i2000 and Axsym). Seventeen samples that showed discordant results among analyzers or had<br />
extreme low and high index or s/co were confirmed by immunoblotting assay using INNO-LIA TM HCV<br />
Score reagent (Innogenetics). The sensitivity of anti-HCV assay on those 3 analyzers was good (100 %).<br />
False positive results were found in 4 samples by Architect, 5 samples by Advia and 5 samples by<br />
Axsym. The assay showed a different result if a sample, especially sample with low s/co ratio or index,<br />
was examined with different analyzers. The false positive results were not found in the same samples<br />
and there were no specific pattern. There<strong>for</strong>e, we consider using a second anti-HCV assay as<br />
recommended by UK Health Protection Agency algorithm (2007) <strong>for</strong> results with low s/co ratio or index<br />
to reduce the possibility of false positive result.<br />
- 80 -
No. 28 (PI 2)<br />
Diagnostic value of AFP-L3 and PIVKA-II in hepatocellular carcinoma according to<br />
the level of total-AFP<br />
Eun-Jee Oh 1 , Seung Won Jung 1 , Jong Young Choi 2 , Hee Yeon Kim 2 , Myungshin Kim 1 , Yonggoo<br />
Kim 1 , Dong Goo Kim 3<br />
Department of Laboratory Medicine 1 , Internal Medicine 2 and Surgery 3 , School of Medicine, The<br />
Catholic University of Korea, Korea<br />
AIM: Although, alpha-fetoprotein (AFP) is the most widely used tumor marker <strong>for</strong> hepatocellular<br />
carcinoma (HCC), AFP lacks adequate sensitivity and specificity <strong>for</strong> effective surveillance. The aim of<br />
this study was to evaluate diagnostic value of AFP-L3 and Prothrombin induced by vitamin K<br />
absence-II (PIVKA-II) in HCC.<br />
METHODS: One hundred and sixty-eight patients (90 HCC, 78 benign liver diseases) during routine<br />
HCC surveillance were included. Sera were obtained during their first evaluation <strong>for</strong> HCC development<br />
and at the time of HCC diagnosis be<strong>for</strong>e commencing HCC treatment. AFP, AFP-L3 and PIVKA-II<br />
were measured in the same serum by microchip capillary electrophoresis and liquid-phase binding assay<br />
on a μTAS Wako i30 auto analyzer<br />
RESULTS: In a total of 168 patients, areas under the curve (AUC) <strong>for</strong> HCC were 0.879, 0.887, 0.801<br />
and 0.939 <strong>for</strong> AFP, AFP-L3, PIVKA-II and the combined markers, respectively. AFP-L3 had higher<br />
AUC than PIVKA-II <strong>for</strong> HCC (P = 0.043). In 112 patients with low AFP levels (5%) and PIVKA-II (cut-off >40AU/L), the sensitivities were 92.1-94.4% and<br />
specificities were 75.6-79.7% in all patients and subgroup. Combined markers detected about 90% of<br />
early stage, small sized or single tumors in the low AFP group. In multivariate analysis, AFP-L3 was<br />
correlated with AFP and tumor size, and PIVKA-II was correlated with laboratory tests including serum<br />
AST, total bilirubin, platelets and albumin levels. PIVKA-II had no correlation with AFP, AFP-L3 or<br />
tumor characteristics.<br />
CONCLUSION: Combined determination of AFP-L3 and PIVKA-II could improve the diagnostic<br />
value <strong>for</strong> HCC detection in patients with or without increased AFP levels. The utility of improved<br />
surveillance protocol based on these tumor markers needs to be investigated.<br />
- 81 -
No. 29 (PI 3)<br />
Development of ABO and Lewis typing by enzyme-linked immunosorbent assay <strong>for</strong><br />
disaster<br />
Terutaka Sagawa and Mariko Okada<br />
Division of Biomedical Sciences, Institute of Medical Technology, Ehime Prefectural University Of<br />
Health Sciences, Japan<br />
For ABO blood group typing, we need electrical power, the clean area <strong>for</strong> collecting venous blood and<br />
substantial experience of technologists. We have little electrical power, clean areas and human resources<br />
after a disaster, just like a giant earthquake or a giant tsunami, occurs. In this case, there is a need of the<br />
method that does not require electrical power, the clean area and substantial experience.<br />
We have developed ABO and Lewis blood group typing by enzyme-linked immunosorbent assay<br />
( ELISA ) using Japanese saliva as antigen. Tween 20 was used to block and wash. This method could<br />
give a result within 120 minutes from saliva collecting procedure.<br />
All secretors (88% of the samples examined) reacted with anti-H Ab.<br />
Nonsecretors reacted weakly with anti-H Ab or not. A-type and AB-type nonsecretors reacted weakly<br />
with anti-A Ab. B-type and AB-type nonsecretors reacted weakly with anti-B polyclonal antibody but<br />
not anti-B monoclonal antibody.<br />
Secretors included Lea-Leb- (19% of secretors), Lea-Leb+ (28%) and Lea+Leb+ (53%). All<br />
nonsecretors reacted with anti-Lea Ab not anti-Leb Ab.<br />
Kudo et al. demonstrated that almost Japanese nonsecretors had sej/sej homozygosity. The sej/sej has<br />
an elevated ABH antigen. No activity alleles are very rare in Japanese.<br />
It was proved that the ELISA method reported here was useful <strong>for</strong> almost Japanese ABO and Lewis<br />
blood group typing, and did not require electrical power and substantial experience. Further<br />
developments are necessary <strong>for</strong> very rare Japanese complete nosecretors, and Rh typing and ABO<br />
reverse typing.<br />
- 82 -
No. 30 (PI 4)<br />
Evaluation of Hepatrio multiplex kit <strong>for</strong> early and simultaneous detection of<br />
hepatitis A, B and C<br />
Chi Hyun Cho, M.D. 1 , Sang Kyung Jo, M.D. 2 , Young Joo Kwon, M.D. 2 , Chae Seung Lim, M.D. 1<br />
and Yun Jung Cho, M.D. 1*<br />
1<br />
Department of Laboratory Medicine, College of Medicine, Korea University, Seoul, Korea<br />
2<br />
Department of Nephrology and Hypertension, College of Medicine, Korea University, Seoul, Korea<br />
Introduction: In hemodialysis patients, early detection of hepatitis A, B and C is very important. While<br />
serology test <strong>for</strong> detection of hepatitis A, B and C is used, it has limitation in that it does not catch the<br />
early infection and co-infection of hepatitis A, B and C. Recently a multiplex PCR kit <strong>for</strong> the<br />
simultaneous detection of hepatitis A, B and C, Hepatrio, was developed. We evaluated the multiplex kit<br />
in hemodialysis patients in one Korea hospital and compared the result with serology.<br />
Methods: HAV IgM, HBsAg, anti-HBs, anti-HBc and HCV Ab were analyzed on 186 samples of<br />
routine check-up examinees in a hemodialysis care unit by chemiluminescence immunoassay. Nucleic<br />
acid amplification test (NAT) was per<strong>for</strong>med on the same samples by multiplex real-time polymerase<br />
chain reaction (PCR) kit <strong>for</strong> simultaneous detection of HAV, HBV, and HCV (Magicplex Hepatrio;<br />
Seegene, Seoul, South Korea).<br />
Results: The positive rates of HAV, HBV, and HCV were 0, 5.9, and 0.6%, respectively. All samples<br />
except two showed consistent results between serology and multiplex PCR. Occult HCV infection was<br />
found in 1 (0.6%) of 173 HCV-Ab negative subjects. Meanwhile, a HBs-Ag positive sample was not<br />
detected <strong>for</strong> HBV-DNA by multiplex PCR. There was no co-infection case among samples.<br />
Conclusion: This study suggests the possibility that multiplex PCR replaces serology <strong>for</strong> screening of<br />
hepatitis A, B and C. Further study using much more samples is needed <strong>for</strong> the clinical per<strong>for</strong>mance<br />
evaluation of multiplex PCR test. Key word: Hepatitis A, hepatitis B, hepatitis C, hemodialysis,<br />
serology, multiplex PCR kit<br />
- 83 -
No. 31 (PI 5)<br />
Impact of interleukin-29 on interferon alpha secretion of plasmacytoid dendritic cell<br />
Chi Hyun Cho, M.D. 1 , Chae Seung Lim, M.D. and Yun Jung Cho, M.D. 1*<br />
1 Department of Laboratory Medicine, College of Medicine, Korea University, Seoul, Korea<br />
Background: The alpha-IFN secretion by plasmacytoid dendritic cell was distinguished by rapid<br />
kinetics, high level (up to 1000 fold higher than most cells), while the plasmacytoid dendritic cells<br />
responded with vigorous alpha-IFN production to stimulation by a variety of viral stimuli and to<br />
synthetic Toll-like receptor agonists. IL-28Rα (type III IFN receptor chain) signaling was demonstrated<br />
not to provide feedback on type I expression in mouse study. In this study, we tried to identify whether<br />
the type III IFN provides feedback or does not do so on alpha-IFN secretion of human plasmacytoid<br />
dendritic cell.<br />
Methods: From eleven healthy donors, 3 ml and 10 ml of whole blood were collected <strong>for</strong> complete<br />
blood cell count by Coulter automatic analyzer and <strong>for</strong> the isolation of peripheral blood mononuclear<br />
cells (PBMC). Plasmacytoid dendritic cell was counted by multiplying % of total PBMC<br />
(flowcytometer) by mononuclear cells of whole blood (Coulter automatic analyzer). PBMC from each<br />
healthy donor was then divided into four groups as follows: group 1- control; group 2- addition of CpG<br />
DNA; group 3- addition of IL-29; group 4- addition of CpG DNA and IL29. Then, the culture media<br />
were incubated <strong>for</strong> 24 hours at 37℃. The supernatants were collected and tested <strong>for</strong> the amount of<br />
IFN-alpha secretion by the flowcytometer.<br />
Results: The number of plasmacytoid dendritic cells (/µL) was 5.29 (±3.05). IFN-alpha (pg/ml)/pDC<br />
(/µL) in each group was as follows: 5.677 (±9.278) in group 1; 1071.546 (±1026.598) in group 2;<br />
14.142 (±21.107) in group 3; 1913.897 (±1525.928) in group 4. There were statistically significant<br />
differences between group 1 vs 2 and group 2 vs 4, whereas there was no statistically significant<br />
difference between group 1 vs 3. The addition of CpG DNA with IL-29 caused human pDC to secret<br />
IFN-alpha about two times more than addition of CpG DNA alone.<br />
Conclusions: Apart from mouse study, one of lambda-IFNs, IL-29 provided feedback on IFN-alpha<br />
expression of human pDC. IL-29 alone did not have impact on IFN-alpha secretion by human pDC, but<br />
with CpG DNA, had synergistic effect on that. Given the knowledge that IL-29 is potential therapeutic<br />
alternatives to type I IFNs in terms of viral infections and tumors, this result could help elucidate the<br />
mechanism of the therapeutic effect by IL-29.<br />
Key Words : CpG DNA, IL-29, IFN-alpha, plasmacytoid dendritic cell<br />
- 84 -
No. 32 (PI 6)<br />
Discrepancy between serologic and genotyping results of ‘Mi a ’ blood antigen and<br />
antiserum in Taiwan<br />
Chien-Feng Sun 1,2 , Tai-Di Chen 2 , Ding-Ping Chen 2<br />
1 Department of Anatomic Pathology, 2 Department of Laboratory Medicine, Linkou Medical Center,<br />
Chang Gung Memorial Hospital, Taoyuan, Taiwan<br />
Aim. Mi.Ⅲ (GP.Mur) is reported to have a mean frequency of 7.3% among Taiwanese. Since the<br />
specificities of Mi.III (GP.Mur) antisera are not further specified, such antisera and the cells identified<br />
by them have been applied a collective term as anti-‘Mi a ’ and ‘Mi a ’(+) cells in Taiwan. Anti-‘Mi a ’<br />
antibodies are the most common clinically important antibodies detected in Taiwan. Our aim of this<br />
study is to evaluate the efficiency of current practice of using ‘Mi a ’(+) screening cells in comparing to<br />
genotyping <strong>for</strong> Miltenberger series.<br />
Materials and Methods. Blood samples were obtained from randomly selected patients. Antisera<br />
containing anti-‘Mi a ’ specificity were collected routinely in our blood bank. Manual polybrene method<br />
without a supplementary antiglobulin phase was used <strong>for</strong> serologic test. The results of serologic test<br />
were compared with PCR-sequencing data. The study was approved by our Institutional Review Board.<br />
Results. The prevalence of Mi.Ⅲ(GP.Mur) is 6.4% (25/389). Among 1945 serologic tests <strong>for</strong> these<br />
389 samples, 210 tests showed a positive reaction (1+ or more). Among them, only 84 positive results<br />
belonged to PCR (+) samples. The sensitivity and specificity of our routine practice using ‘Mi a ’(+)<br />
screening cells to detect anti-‘Mi a ’ antibodies are thus estimated to 67.2% (84/125) and 93.1%<br />
(1694/1820), respectively. The positive predictive value is 40% (84/210).<br />
Conclusions. Our results showed that the Mi.III (GP.Mur) has a prevalence of 6.4% in Taiwan, and no<br />
GP.Hut, GP.Hop, GP.Bun, or GP.HF was detected. However, our study also showed that our screening<br />
system <strong>for</strong> detecting anti-‘Mi a ’ has a low sensitivity of 67.2% with a specificity of 93.1%. Since a<br />
previous study suggested the presence of other glycophorin variants in Taiwan, the results suggested the<br />
existence of other (Mi) phenotypes and the current detecting method may not be sufficient to identify<br />
antibodies other than anti-GP. Mur.<br />
- 85 -
No. 33 (PI 7)<br />
Immune response to MSP2 antigen of plasmodium falciparum in mamuji, west<br />
Sulawesi, Indonesia<br />
Nurhayana Sennang 1 , Dianawaty Amiruddin 2 , Bahrani 2 , Sitti Wahyuni 2 , Syafruddin 2,4 , Irawan<br />
Yusuf 3 , Stephen Rogerson 5<br />
1 2 3<br />
Clinical Pathology Department, Parasitology Department, Physiology Department, Faculty of<br />
Medicine, Hasanuddin University, Makassar, South Sulawesi, Indonesia; 4 Eijkman Institute, Jakarta,<br />
Indonesia; 5 Department of Medicine, University of Melbourne, Post Office Royal Melbourne Hospital,<br />
Melbourne, Victoria, Australia<br />
Background: A malaria parasite antigen, merozoite surface protein 2 (MSP-2), is assumed to be<br />
involved in initial attachment of merozoite to erythrocyte surface. MSP-2 may contribute to the<br />
development of clinically protective immunity to malaria which is dependent upon cumulative exposure<br />
to the many parasite variants circulating in the local population. The aim of this study is to determine<br />
immune response to MSP-2 P.falciparum in individuals living in Mamuju, an epidemic area of malaria<br />
in West Sulawesi, Indonesia. Methods: The cross sectional study was conducted using multi-stages<br />
random sampling from 15 districts (123 villages) in Mamuju, West Sulawesi, Indonesia. Capillary blood<br />
samples from 4406 participants were collected during August 2010. All positive samples and 5%<br />
negative samples based on blood smear results were selected randomly <strong>for</strong> immunological investigation.<br />
IgG antibodies to MSP-2 were analyzed by Enzyme Linked ImmunoSorbent Assay (ELISA) Results:<br />
Of 209 samples based on blood smear results, there were 18 samples with P.falciparum parasitaemia, 10<br />
samples with P.vivax parasitaemia and 181 negatives samples, Means of IgG antibody to MSP2 in<br />
individuals who had positive P.falciparum blood smears was 37.54 units, higher than positive P.vivax<br />
(7.48 units) and negative blood smears (2.61 units), there was a significant difference between the three<br />
groups (95%CI: p=0.0001). Cut off point of IgG antibody to MSP2 was 4.57 units. Of 37 samples with<br />
levels of IgG antibody to MSP2 more than cut off, 11 were from individuals with P.falciparum<br />
parasitaemia, 3 from individuals with P.vivax, and 23 from uninfected people. Conclusion: Increased<br />
level of IgG antibody to MSP2 was associated with infection with P.falciparum. The presence of IgG<br />
antibody to MSP2 in individuals with P.vivax infection or negative blood smears may indicate<br />
mix-infection of P.falciparum undetected by blood smear or previous infection with P.falciparum.<br />
Keywords: immune response, MSP-2, Plasmodium falciparum<br />
- 86 -
No. 34 (PI 8)<br />
Inhibition of the NF-kappa B pathway as a candidate strategy <strong>for</strong> treatment of<br />
cryopyrin-associated periodic syndrome<br />
Satoka Takahashi 1,2 , Tetsuo Kubota 1<br />
1 Department of Microbiology and Immunology, Tokyo Medical and Dental University Graduate<br />
School of Health Care Sciences, Tokyo, Japan.<br />
2 Department of Health and Science, Faculty of Health and Medical Care, Saitama Medical University,<br />
Saitama, Japan.<br />
Cryopyrin-associated periodic syndrome (CAPS) is caused by a mutation in the CIAS1 gene coding <strong>for</strong><br />
NLRP3. Once activated by pathogen-associated molecular patterns (PAMPs) and/or damage-associated<br />
molecular patterns (DAMPs), NLRP3 <strong>for</strong>ms a protein complex referred to as an inflammasome, leading<br />
to extracellular release of IL-1beta. Since mutated NLRP3 <strong>for</strong>ms an inflammasome without obvious<br />
stimulation leading to the unrestricted release of IL-1beta, this cytokine represents a critical target <strong>for</strong><br />
CAPS treatment. This study aimed to test the effect of an NF-kappa B inhibitor DHMEQ (provided by<br />
Dr Umezawa, Aichi Medical University) upon IL-1beta production, as well as the expression of other<br />
proinflammatory molecules induced by IL-1beta.<br />
Human umbilical vein endothelial cells (HUVECs) and peripheral blood mononuclear cells (PBMCs)<br />
were stimulated and mRNA expression of proinflammatory proteins was assessed by quantitative<br />
RT-PCR. The effects of DHMEQ were tested in parallel with anakinra, an IL-1 receptor antagonist.<br />
Under stimulation by IL-1beta, mRNA expression <strong>for</strong> IL-1beta, TNF alpha, IL-6 and VCAM-1 in<br />
HUVECs was markedly increased, and this effect was almost completely suppressed by both DHMEQ<br />
and anakinra. However, when PBMCs were stimulated with IL-1beta, anakinra was less effective,<br />
possibly because cells were additionally stimulated by the secondary action of cytokines other than<br />
IL-1beta. Enhanced expression of IL-1beta mRNA in PBMCs stimulated with LPS alone, or LPS plus<br />
ATP, was effectively suppressed by DHMEQ but not by anakinra.<br />
In an assay system that mimics PAMPs and/or DAMPs induced IL-1beta production, DHMEQ<br />
effectively suppressed IL-1beta mRNA as well as other IL-1beta-induced mRNA of proinflammatory<br />
proteins, suggesting that DHMEQ is a good candidate agent <strong>for</strong> the treatment of CAPS.<br />
- 87 -
No. 35 (PH 1)<br />
Gene Diagnoses of Tumors of Hematopoietic Organs - Diagnosis of Leukemia by<br />
both Southern Method and PCR Method –<br />
Kazuhiro Kabe<br />
Business Department of Medical Technology, Laboratory of Medical Technology<br />
Medic21 Association, Japan<br />
Aim : I introduced a genetic test <strong>for</strong> a diagnosis of lymphocytic leukemia that was one of tumors of<br />
hematopoietic organs. I detected the reconstituted genes of both Immunoglobulin-Heavy-Chain (IgH)<br />
and T-Cell-Receptor (TCR) with both Southern Method and PCR Method. And I made a trial of the<br />
diagnostic test of lymphomas of both B cell tumors and T cell tumors.<br />
Materials and Methods : There are V (V), D (D) and J (J) regions in IgH genes. I used Southern<br />
Method by probes to J and Semi-Nested PCR Method by primers to both V and J so as to detect the<br />
special unit (CDRⅢ) after IgH reconstitution. There are V (Vδ), D (Dδ) and J (Jδ) regions in TCR<br />
genes. I used Nested PCR Method by primers to Vδ, to Jδ and to the outside of both Vδ and Jδ so as to<br />
detect the special unit (Vδ1・D・Jδ1) after TCR reconstitution.<br />
Results : I could confirm the IgH reconstitution by Southern Method at the obvious cellular specimen<br />
of B cell leukemia and the TCR reconstitution by PCR Method at the obvious cellular specimen of T<br />
cell leukemia. As <strong>for</strong> the PCR limit, I could detect till the specimen that was 1/1000 as dilute as DNA<br />
(1µg) at IgH reconstitution and till the specimen that was 1/10000 as dilute as DNA (1µg) at TCR<br />
reconstitution.<br />
Conclusions : Southern Method is not sensitive enough and needs much DNA (10µg) and takes too<br />
much time <strong>for</strong> its work. PCR Method is highly sensitive and sufficient in small DNA (1µg) and this<br />
work is practicable in one day. As PCR Method is effective to operate and we seem to be able to expect<br />
the genetic test detect from peripheral blood.<br />
- 88 -
No. 36 (PH 2)<br />
Identification of autoantibodies expressed in acquired aplastic anaemia<br />
Kageaki Kuribayashi 1,2 , Maki Goto 1 , Yusuke Takahashi 1,2 , Takashi Kondoh 1,2 , Maki Tanaka 1,2 ,<br />
Daisuke Kobayashi 1,2 , Naoki Watanabe 1,2,<br />
1 Department of Clinical Laboratory Medicine, Sapporo Medical University School of Medicine, Japan<br />
2 Division of Laboratory Diagnosis, Sapporo Medical University Hospital, Japan<br />
Acquired aplastic anaemia (AA) is recognized as an autoimmune disorder; however, the autoantigens<br />
and target cells involved remain elusive.<br />
Sera were obtained from acquired AA patients and the expression of autoantibodies and their target cells<br />
were examined using the haematopoietic cell line K562 and bone marrow stromal cell line hTS-5 by<br />
flow cytometric analysis; 43.5% and 21.7% of AA expressed autoantibody against K562 and hTS-5<br />
cells, respectively. A cDNA library was constructed using K562 mRNA and 8 autoantigens were<br />
identified by serological identification of antigens through recombinant cDNA expression cloning<br />
(SEREX). Expression level of anti-CLIC1, HSPB11 and RPS27 IgG-type autoantibodies were higher in<br />
patients with acquired AA than in normal volunteers. Moreover, 12 of 13 responders to<br />
immunosuppressive therapy expressed at least one IgG-type autoantibody against CLIC1, HSPB11 or<br />
RPS27, whereas all non-responders did not express any IgG-type autoantibody. Furthermore, higher<br />
titres of anti-CLIC1 and RPS27 IgG-type autoantibodies were found to be associated with better<br />
response rates to immunosuppressive therapy. The results of this study indicate haematopoietic cells are<br />
the targets of immune abnormality in acquired AA. These autoantibodies may be utilized to abstract<br />
patients associated with immune abnormality from bone marrow failure syndrome.<br />
- 89 -
No. 37 (PH 3)<br />
Clinical significance of overexpressed serine-threonine tyrosine kinase 1 in leukemia<br />
Daisuke Kobayashi, Takashi Kondoh, Maki Tanaka, Kageaki Kuribayashi Naoki Watanabe<br />
Department of Clinical Laboratory Medicine, Sapporo Medical University, School of Medicine, Japan<br />
Objectives: Inhibitors against several tyrosine-kinases have been used in leukemia. However,<br />
therapeutic effect is somewhat limited by drug-resistance, and there<strong>for</strong>e it is urgent to seek <strong>for</strong> novel<br />
therapeutic targets. In this study, we analyzed the expression profile and clinical significance of<br />
STYK1, a unique tyrosine kinase promoting cell proliferation without ligand binding, in various<br />
leukemic patients.<br />
Patients and Methods: In peripheral blood cells from nonleukemic group (n=15), acute leukemia (AL)<br />
patients (n=26), and chronic myelogenous leukemia (CML) patients (n=19), STYK1 mRNA expression<br />
was analyzed by quantitative RT-PCR. Several small inhibitory RNA (siRNA) against STYK1 and<br />
non-silencing control RNA (NSC) were transduced by electroporation method using Nucleofector V<br />
and Nucleofector II (Amaxa).<br />
Results: 1) Mean measured value of STYK1 mRNA in AL and CML patients was 1,654±1,603 and<br />
477±388, respectively, resulting 7.9-fold and 2.3-fold increase compared to the expression in<br />
nonleukemic group (210±110). When appropriate cutoff was set using the values in nonleukemic<br />
individuals, positive STYK1 mRNA expression was detected in 76.9% and 42.1% of AL and CML<br />
patients, respectively. 2) STYK1 mRNA expression began to decrease after chemotherapy in AL<br />
patients, and in the patients showing resistance to therapy, STYK1 mRNA expression preceding therapy<br />
was significantly higher than in the patients with complete remission. 3) In the CML patients, no<br />
relationship was found between mRNA expression level and the copy numbers of bcr-abl gene<br />
(r=-0.21). 4) Transduction of siRNA into K562 cells with high STYK1 expression increased<br />
doxorubicin sensitivity compared to the cells transduced with NSC.<br />
Conclusion: These results indicate that STYK1 mRNA is highly expressed in the patients with<br />
several leukemic patients and suggest an important role of STYK1 in the drug- resistance of acute<br />
leukemic cells.<br />
- 90 -
No. 38 (PH 4)<br />
Contribution of uncontrolled fibrinolysis to bleeding diathesis in aortic aneurysm<br />
Mitsuhiro Uchiba, Yuji Yonemura, Yukio Ando.<br />
Department of Blood Transfusion and Cell Therapy, Kumamoto University Hospital<br />
Kumamoto, Japan.<br />
[Background] Disseminated intravascular coagulation (DIC) is one of the severe complications<br />
observed in patients with aneurysm (AA). DIC results consumption coagulopathy following bleeding<br />
diathesis. Some investigators believe that hypofibrinogenemia resulted from consumption coagulopathy<br />
is a main cause of abnormal bleeding in AA. Bleeding diathesis is also caused by fibrinolytic<br />
abnormality, which is often complicated with AA. To determine whether hypofibrinogenemia and<br />
fibrinolytic abnormality contribute to bleeding diathesis observed in AA, we analyzed relationship<br />
between bleeding symptoms and plasma levels of fibrinogen and a2-antiplasmin (a2-AP), an important<br />
regulator of fibrinolysis. [Method] Plasma levels of fibrinogen and a2-AP in AA patients with and<br />
without bleeding were retrospectively analyzed. [Result] Levels of both fibrinogen and a2-AP were<br />
lower in AA patients with bleeding than in those without bleeding. Levels of a2-AP in AA patients with<br />
bleeding were lower than reference range, whereas that of fibrinogen in bleeding patients were within<br />
reference range. [Discussion] Our results indicated that a2-AP deficiency rather than<br />
hypofibrinogenemia contributed to bleeding in AA. Precise mechanisms were not fully elucidated,<br />
a2-AP deficiency resulting uncontrolled fibrinolysis may play a role. Although some investigators<br />
recommend normalizing fibrinogen levels by using fibrinogen concentrate instead of fresh frozen<br />
plasma in AA, our result indicated that maintaining the a2-AP level, but not fibrinogen levels, is<br />
important. There<strong>for</strong>e FFP but not fibrinogen concentrate should use to controlling abnormal bleeding<br />
observed in patients with AA.<br />
- 91 -
No. 39 (PH 5)<br />
Aberrant DNA methylation of HOXA4 is associated with resistance to imatinib<br />
mesylate in chronic myeloid leukemia patients<br />
Ravindran Ankathil 1 , Marjanu Hikmah Elias 1 , Azlan H 2 , Sarina Sulong 1 , RoslineHassan 3 , Goh Ai<br />
Sim 4 , S Fadilah Abdul Wahid 5 , Abdul Aziz Baba 2<br />
1 2 3<br />
Human Genome Centre, Haemato-Oncology Unit, Department of Internal Medicine, Hematology<br />
Department, School of Medical Sciences, Health Campus, Universiti Sains Malaysia 4 Hospital Pulau<br />
Pinang, Malaysia, 5 Medicine Department & Cell Therapy Centre, UKM Medical Centre, Malaysia<br />
Development of resistance to Imatinib mesylate (IM) among a significant number of chronic myeloid<br />
leukemia (CML) patients has emerged as a major clinical problem. But, mutation analysis of our CML<br />
patients showed that BCR ABL mutations accounted <strong>for</strong> IM resistance in only 21.7% of CML patients,<br />
indicating involvement of other BCR-ABL independent genetic and epigenetic mechanisms in<br />
mediating resistance. We hypothesized that promoter hypermethylation of HOXA4, a gene involved in<br />
CML progression to blast crisis, could be an epigenetic mechanism mediating IM resistance in CML<br />
patients. Our objective was to determine the promoter hypermethylation status of HOXA4 in CML<br />
patients on IM treatment and to evaluate its role in mediating resistance. Genomic DNA was extracted<br />
from peripheral blood samples of 95 CML patients on IM therapy (38 good responders and 57 resistant)<br />
and 12 normal controls, followed by bisulfite treatment. Subsequently, Methylation Specific High<br />
Resolution Melt Analysis (MS-HRM) was per<strong>for</strong>med to quantitate the methylation level of 9 CpG site,<br />
located at -510 to -396 from the stop codon of HOXA4 gene. Five samples, representing each group of<br />
methylation level were selected <strong>for</strong> validation using pyrosequencing. Pyrosequencing results confirmed<br />
the methylation homogeneity of all the 9 CpG (mean SD is 4.7) in the HOXA4 promoter and their mean<br />
methylation percentage was concordant to the MS-HRM results. Compared to good responders, HOXA4<br />
hypermethylation level was significantly higher (P=0.002) in IM resistant CML patients. On evaluating<br />
the risk, HOXA4 hypermethylation was associated with higher risk <strong>for</strong> IM resistance (OR 4.658; 95% CI,<br />
1.673-12.971; P=0.003). These results prompt us to suggest that promoter hypermethylation of HOXA4<br />
gene could be an epigenetic mechanism mediating IM resistance in CML patients and could be<br />
considered as a potential epigenetic biomarker in addition to the BCR-ABL gene mutation, <strong>for</strong><br />
prediction of CML patients’ response to IM treatment.<br />
- 92 -
No. 40 (PH 6)<br />
Red Blood Cells absorb and store DARC-affinity chemokines<br />
Hiroyuki Kayaba 1) , Toshihiro Shiratori 1) , Yumiko Yamauti 3) , Norihiro Saito 2) , Junichi Chihara 3) ,<br />
Mihoko Kushibiki 1) , Hiroyuki Akimoto 1) , Shoji Tsutaya 1) , Keiya Kojima 1)<br />
Clinical Laboratory, Hirosaki University Hospital 1) , Yokote Municipal Hospital 2) , Japan<br />
Central Clinical Laboratory, Akita University Hospital 3) , Japan<br />
<br />
Red Blood Cells (RBCs) express Duffy antigen receptor <strong>for</strong> chemokines (DARC) on the surface. DARC<br />
is a decoy receptor with no signal transduction into RBC and binds to several Chemokines such as IL-8,<br />
MCP-1, Eotaxin and RANTES. Biological function of DARC is thought to be a scavenger of<br />
chemokines promoting chemokine concentration gradient to facilitate inflammatory cell migration in<br />
the focus of inflammation. The aim of this study is to investigate how these chemokines scavenged by<br />
RBC.<br />
<br />
Blood (3.0 ml) was drawn from healthy volunteers aged 20 to 30 years and collected into EDTA tubes<br />
containing K2EDTA (1.5 mg/ml). After centrifugation (430 G, 10 min), 200 µl of RBC was taken from<br />
the bottom of the tube and washed three times with PBS. The expression of DARC and RANTES was<br />
measured by flowcytometry (BD FACSCanto TM II). Intracellular content of RANTES was evaluated by<br />
flowcytometry and ELISA (Quantikine, R&D). Other chemokines and cytokines including IL-8, MCP-1<br />
and Eotaxin were measured by Bio-Plex Pro TM Assays, BIORAD).<br />
<br />
DARC was expressed on RBC of all the samples examined. RANTES was recognized in RBCs, but not<br />
on the surface. When compared the concentrations of IL-1β, TNF-α, VEGF, RANTES, Eotaxin MCP-1,<br />
IL-8 in the washed RBC supernatant be<strong>for</strong>e and after hemolysis, RANTES, Eotaxin and MCP-1showed<br />
marked increase after hemolysis. This finding showed that RBCs absorb chemokines which has high<br />
affinity to DARC. RANTES was absorbed by RBCs rapidly. Intracellular RATNTES concentration<br />
reached almost the maximum level within 15 minutes. DARC expression decreased in the presence of<br />
RANTES.<br />
<br />
RBC contains DARC-affinity chemokines. The role of RBCs in inflammation and immunological<br />
diseases awaits to be explored.<br />
- 93 -
No. 41 (PH 7)<br />
Asian Thrombophilia: Dysfunction of the APC anticoagulation system.<br />
Naotaka Hamasaki, Hiroaki Kuma, Hinako Hatae<br />
Department of Clinical Chemistry, Faculty of Pharmaceutical Sciences, Nagasaki International<br />
University, Japan<br />
The anticoagulation system in a healthy individual is composed of mainly three systems, that is, (i)<br />
tissue factor pathway inhibitor, (ii) antithrombin, and (iii) activated protein C (APC). The APC<br />
anticoagulation system is unique in the sense that the anticoagulation activity is expressed only when<br />
thrombin is <strong>for</strong>med by the coagulation system and the APC activity is regulated proportionately to the<br />
coagulation activity.<br />
The thrombophilia common among Caucasians is the genetic polymorphism of coagulation factor<br />
V Leiden (R506Q). Factor V Leiden (R506Q) shows resistance to the APC anticoagulation system<br />
(APC-resistance). Because of this, factor V Leiden (R506Q) carriers have relatively stronger coagulation<br />
activity than the anticoagulation activity of APC, and is believed that this leads to excessive thrombus<br />
<strong>for</strong>mation and makes the person prone to thrombosis. Approximately 30% of Caucasian patients with<br />
venous thrombosis are carriers of factor V Leiden (R506Q) [1]. Unlike Caucasians, thrombophilias<br />
among Japanese and Chinese are the ones with dysfunction of the activated protein C (APC)<br />
anticoagulant activity caused mainly by abnormal molecules of protein S or of protein C<br />
(APC-dysfunction). Approximately 50% of Japanese and Chinese patients suffering from deep vein<br />
thrombosis have reduced activities of the APC anticoagulant system [2]. In other words, the<br />
APC-resistance in Caucasians and the APC-dysfunction in Japanese and Chinese are the major risk<br />
factor <strong>for</strong> thrombosis. Whether the APC-dysfunction occurs in other Asian countries is an important<br />
aspect of mapping thrombophilia among Asians, and international surveys would be needed to<br />
determine it. Combined with our investigation and results of other studies, we will review the Asian<br />
thrombophilia and indicate our strategy to overcome the “prone to thrombosis”.<br />
1) Castoldi E, Rosing J: APC resistance: biological basis and acquired influences. J Thromb<br />
Haemostat 2009; 8:445-453.<br />
2) Hamasaki N: Unmasking Asian Thrombophilia: Is APC dysfunction the real culprit? J Thromb<br />
Haemostat 2012; 10: 2016-2018.<br />
- 94 -
No. 42 (PH 8)<br />
Great impact of the brand-new Sysmex XN-Series automated hematology analyzer<br />
on workflow efficiency and utility<br />
Etsuko Hamada, Masato Maekawa<br />
Department of Laboratory Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan<br />
Introduction:<br />
Recently, higher-quality testing environment has been increasingly required. To counteract these<br />
demands, Sysmex has introduced the XN-Series automated hematology analyzer. Here we report our<br />
evaluation results of the XN-Series basic per<strong>for</strong>mance and the integrated hematology testing system.<br />
Method: (1) Basic per<strong>for</strong>mance: We evaluated precision, linearity, correlation with a previous analyzer<br />
(XE-2100, Sysmex) and correlation with the manual method. (2) Usability: We evaluated the usability<br />
of newly introduced functions of CNA-NET, which include automated smear preparation, selection of<br />
specific sample and sample requiring manual count. Results: (1) Basic per<strong>for</strong>mance: Precision (CBC)<br />
was 0.42-5.21 (CV%), and linearity was confirmed up to WBC 378×10 9 /L, RBC 7.81×10 12 /L, HGB 235<br />
g/L, HCT 72.1%, and PLT 1,691×10 9 /L. The correlation coefficients (r) with the previous analyzer<br />
were CBC 0.998–0.981, WBC classification ratio 0.995-0.917 and reticulocyte ratio 0.978. The<br />
correlation coefficient of WBC classification ratio with the manual method was 0.612-0.987. In the<br />
evaluation using samples with WBC ≤ 0.5×10 9 /L, WBC precision was 7.75-8.21 (CV%) <strong>for</strong> Whole<br />
blood mode and 1.29-4.17 <strong>for</strong> Low WBC mode, and the good correlation with the manual method was<br />
observed. In the evaluation using samples with PLT ≤ 50×10 9 /L, the correlation coefficient between<br />
PLT-I (impedance) and PLT-F (fluorescence) was 0.973, and with the manual method was 0.975 <strong>for</strong><br />
PLT-I and 0.980 <strong>for</strong> PLT-F. (2) Usability: The number of analyzer operator to measure 700 samples/<br />
day decreased from 1.5 to 1 person. Conclusion: Basic per<strong>for</strong>mance of the XN-Series was satisfactory.<br />
Especially, precision and accuracy in the low number of WBC and PLT were excellent. There<strong>for</strong>e it is<br />
possible to report higher clinical value result with the automatic measurement method. Use of the<br />
automated re-testing function and the CNA-NET made reporting time and processing time reduced. The<br />
newly introduced integrated hematology testing system improved the quality of the clinical testing.<br />
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No. 43 (PH 9)<br />
The comparison of the notations <strong>for</strong> quantitative evaluation of adhesive molecules’<br />
expression on CD34 positive cells<br />
Nobuo Masauzi 12 , Junji Tanaka 2 , Masaharu Kasai 3 , Masahiro Ogasawara 3 , Minami Doi 4 , Naoki<br />
Kobayashi 3 , Yoshio Kiyama 3 , Minami Doi 4 , Sayaka Fukui 4 , Nao Fujimoto 4 , Misaki Yamada 4 ,<br />
Keiko Miwa, 1 , Masanobu Kobayashi 5 ,Masahiro Imamura 3<br />
1: Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University.<br />
Sapporo, 2: Department of Hematology, Hokkaido University Graduate School of Medicine, Sapporo, 3:<br />
Department of Hematology, Sapporo Hokuyu Hospital. Sapporo, 4: Department of Health Science,<br />
School of Medicine, Hokkaido University, Sapporo, 5: Department of Nursing, Health Science<br />
University of Hokkaido, Ishikari, Japan.<br />
There are various quantitative notations <strong>for</strong> molecule expression on cells, such as the percentage of<br />
positive expressing cells (PPC) and the mean fluorescence intensity (MFI). As to MFI, some evaluate<br />
only MFI-PF among cells in positive fraction (PF), which express blighter fluorescence than that of<br />
iso-type control anti-bodies, the others do MFI-PF&NF among cells in PF and negative fraction<br />
(NF).We had published that the MFI-PF&NF of CD11a and CD11b on CD34 positive cells(CD34+) in<br />
peripheral blood (PB) were inversely correlated to the yields of total collectedCD34+ be<strong>for</strong>e<br />
administration of granulocyte-colony stimulating factor (G-CSF). Although some authors have<br />
reported similar analysis, they represented the expressions of these adhesion molecules by PPC or<br />
MFI-PF. Thus, the direct comparison of these results was impossible. We have analyzed the<br />
significance of the change of PPC, MFI-PF and MFI-NF of CD11a and CD11b, and the correlations of<br />
the yield of PB graft (YPBG). No significant changes ware indicated with 2-way ANOVA in PPC<br />
neither by the number of days administrating G-CSF (Days), nor the YPBG, while there were<br />
significant changes in MFI-PF&NF. The same test indicated not only significant change of MFI-PF of<br />
CD11a by Days, but also that of MFI-NF of CD11a by YPBG. The significant correlation between the<br />
PPC and the YPBG was not shown. MFI-PFs of CD11a and CD11b on day -1 indicated significant<br />
inverse correlations with the YPBG. MFI-NFs of CD11a and CD11b indicated no significant<br />
correlations with the YPBG The value of the lower fluorescence, which derived from non-specific<br />
binding of anti-bodies, was commonly recognized as meaningless. The presenting results suggested that<br />
the value of the lower fluorescence area had some important mean in a certain situation.<br />
- 96 -
No. 44 (PH 10)<br />
Relation between VKORC1 and CYP2C9 polymorphisms and warfarin dose<br />
requirement in Japanese patients<br />
Takeda Tomohiro, Mika Kataoka, Naoko Yamaguchi, Tizuko Kuramoto, Takao Uchiike ,Yasuyuki<br />
Okamoto,<br />
Central Clinical Laboratory, Nara Medical University Hospital, Japan<br />
Among patients who take warfarin, the most commonly prescribed anticoagulant, there are great<br />
differences in the dose required <strong>for</strong> sufficient effect. Recent reports have shown that the<br />
polymorphisms of vitamin K epoxide reductase complex, subunit 1 gene (VKORC1) and cytochrome<br />
P450, family 2, subfamily C, polypeptide 9 genes (CYP2C9) are closely associated with the dose<br />
requirement of warfarin. In this study, we investigated factors related to the differences in the required<br />
dose of warfarin, with special attention to the polymorphisms of VKORC1 and CYP2C9.<br />
METHODS:<br />
Relations between the dose of warfarin and PT-INR, age, body weight and the polymorphisms of<br />
VKORC1 and CYP2C9 were studied in 86 stably anticoagulated patients with cardiovascular diseases.<br />
The polymorphisms of VKORC1 -1639 G>A and CYP2CP 1075 A>C were determined by PCR-RFLP<br />
method with the restriction enzymes NciI and KpnI, respectively.<br />
RESULTS:<br />
There was no significant relation between the dose of warfarin and PT-INR, age or body weight. The<br />
AA and GA genotypes of VKORC1 -1639 were found in 69 and 17 patients, respectively. The mean<br />
dose of warfarin required was significantly higher in the GA genotype (3.9 mg/day) than in the AA<br />
genotype (2.4 mg/day, p
No. 45 (PH 11)<br />
T-cell Acute Lymphoblastic Leukemia with Chromosomal Rearrangements<br />
Involving the Immunoglobulin Heavy Chain Breakpoint at Band 14q32<br />
Joonhong Park 1 , Myungshin Kim 1 , Jihyang Lim 1 , Yonggoo Kim 1 , Kyungja Han 1 , and Seok Lee 2<br />
Department of Laboratory Medicine 1 , Division of Hematology 2 , Department of Internal Medicine, The<br />
Catholic University of Korea, Seoul, Korea<br />
T-cell acute lymphoblastic leukemia (T-ALL), a malignant proliferation of T-lymphoid blasts, represents<br />
15% of acute lymphoblastic leukemia. In contrast with B-cell ALL, patients with T-ALL have different<br />
chromosomal abnormalities and appear to have an unfavorable prognosis, leading to more intensive<br />
treatment. Chromosomal rearrangements in T-ALL usually involve breakpoints in bands where the<br />
T-cell receptor (TCR) genes are located; these are bands 14q11 (TCR-α and -δ genes), 7q32-36<br />
(TCR-βgene), and 7p15 (TCR-γ gene). Other chromosomal changes, specific or not of T-ALL, have also<br />
been observed. We report T-ALL with t(8;14)(q24.1;q32) similar to that seen in Burkett’s lymphoma.<br />
Flow cytometric analysis of bone marrow revealed CD2, CD3, CD7, cytoplasmic CD3, CD34, HLA-DR,<br />
CD13, and CD117. The phenotype was suggestive of T-ALL. RT-PCR screening <strong>for</strong> leukemia-related<br />
fusion transcripts (HemaVision; Bio-Rad Laboratories, CA) was negative. Mitoses were obtained only<br />
from spontaneously dividing cells in the absence of mitogens; 25 of the 30 metaphases analyzed were<br />
chromosomally abnormal and had a der(14)t(8;14)(q24.1;q32). Disruption of the MYC gene which<br />
resulted in a one fusion, one green, and one orange signal pattern was detected by MYC dual-color<br />
break-apart probe (Abbott Molecular, IL) PCR-based B-cell and T-cell clonality (Ig and TCR gene<br />
rearrangement) assays was studied by the BIOMED-2 multiplex Ig/TCRB PCR assay (InVivoScribe,<br />
CA) but did not detected any clonal immunoglobulin and TCR rearrangements. Although abnormalities<br />
involving 14q32 are characteristic of B cell disorders, they have also been described in T cell<br />
malignancies, suggesting that genes transcribed in T cells and/or oncogenic sequences significant in T<br />
cell neoplasia are present in 14q32.<br />
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No. 46 (PH 12)<br />
Suspect of malaria in Sysmex XT series; case report of two cases<br />
Iwan Joseph, Mansyur Arif, Hardjoeno<br />
Department of Clinical Pathology, Faculty of Medicine Hasanuddin University, Makassar,<br />
Indonesia<br />
Malaria is an infectious disease caused by Plasmodium which is usually presenting fever. Microscopic<br />
examination is gold standard test to diagnose malaria, but sometimes there might be error in laboratory<br />
examination. Automated blood cell analyzer, <strong>for</strong> example, Sysmex XT2000i and XT1800i are<br />
automatically tools <strong>for</strong> complete blood count including leukocytes differentiation and can be used to<br />
suspect diagnosis of malaria early. Our case was a male patient of 44 years old who was admitted in<br />
Wahidin Sudirohusodo Hospital of Makassar with chief complaint of fever. On the first day of<br />
admission, stained blood film was negative <strong>for</strong> Plasmodium, but the Sysmex DIFF scattergram was<br />
abnormal. Based on these findings, complete blood count and stained blood film were per<strong>for</strong>med again<br />
and we found trophozoites, schizonts and gametocytes of Plasmodium falciparum and Plasmodium<br />
malariae. The second case a female patient of 37 years old had an abnormal DIFF scattergrams and we<br />
found Plasmodium vivax in both thick and thin blood films. The results indicated that abnormal DIFF<br />
scattergram of Sysmex analyzer could be used as an early clue or suspicion of Plasmodium infection,<br />
especially if patient presented with chief complaint of fever. Abnormal areas of eosinophils and cell<br />
ghosts as well as neutrophils in the DIFF scattergram may indicated the existence of Plasmodium<br />
malaria.<br />
Key words: Malaria, Sysmex XT, DIFF scattergram abnormal<br />
- 99 -
No. 47 (PH 13)<br />
Usefulness of platelet most frequent volume <strong>for</strong> platelet size evaluation in<br />
thrombocytopenic patients<br />
Setsuki ISONO 1) , Megumi TATSUTA 1) , Keiko NAGATA 1) , Keiko NUMATA 1) , Tosiaki<br />
KOUJITANI 1) , Akiharu OKAMURA 1) , Masahumi TAKATA 2) , Mariko OKANO 3) , Humiko<br />
HATANO 3) , Hiroyasu UEMURA 3) , Takeshi MORISAWA 3) , Masahiko YONETANI 3) , Mariko<br />
TAKENOKUCHI 4) , Katsuyasu SAIGO 4)<br />
1) Department of Laboratory Medicine, Kakogawa West City Hospital, Kakogawa, Hyogo. 2)<br />
Department of Internal Medicine, Kakogawa West City Hospital, Kakogawa, Hyogo. 3) Department of<br />
Pediatrics, Kakogawa West City Hospital, Kakogawa, Hyogo. 4) Faculty of Pharmacological Sciences,<br />
Himeji Dokkyo University, Himeji, Hyogo, Japan<br />
Introduction Platelet size in<strong>for</strong>mation is helpful <strong>for</strong> differential diagnosis of the patients with<br />
thrombocytopenia. Although mean platelet volume (MPV) is most frequently employed as platelet<br />
size marker, occasionally MPV cannot be obtained mainly due to severe thrombocytopenia or widely<br />
spread platelet size distribution. Then we have studied the usefulness of platelet most frequent volume<br />
(P-MFV) as a surrogate platelet size marker. Materials and Methods Complete blood counts from<br />
hematologically normal 100 adults, 44 children, 43 newborn infants( birth weight > 2500g) and 23<br />
premature babies (birth weight < 2500g )were enrolled in this study by means of XE-2100 (Sysmex,<br />
Kobe, Japan). They were outpatients or newborn babies in Kakogawa West City Hospital, between May,<br />
2010 and May, 2012. Three patients with acute type immune thrombocytopenia, and one<br />
Wiskott-Aldorich syndrome were also included. Results The correlation efficiency between P-MFV and<br />
MPV was between 0.844 and 0.909 <strong>for</strong> all populations. P-MFV and MPV correlated very well in any<br />
age group (p
No. 48 (PH 14)<br />
Intravascular large B-cell lymphoma in Korea: Clinical and pathological findings<br />
Hyun-Ki Kim 1 , Seongsoo Jang 1 , Chan-Jeoung Park 1 , Hyun-Sook Chi 1 , Jooryung Huh 2 and<br />
Cheolwon Suh 3<br />
Departments of Laboratory Medicine 1 , Pathology 2 and Internal Medicine 3 , University of Ulsan College<br />
of Medicine and Asan Medical Center, Seoul, Korea<br />
Background : Intravascular large B-cell lymphoma (IVLBCL) is a rare type of lymphoma characterized<br />
by the selective growth of neoplastic cells within blood vessel lumina. In Western countries, the brain<br />
and skin are the most common sites of disease. In Asian countries, mainly reported in Japan, the<br />
IVLBCL manifest itself more frequently with fever, hepatosplenomegaly, hemophagocytosis, bone<br />
marrow (BM) invasion, respiratory disturbance and disseminated intravascular coagulopathy. We aimed<br />
to analyze characteristics of IVLBCL in Korea.<br />
Methods : We retrospectively reviewed the records of 10 patients diagnosed as IVLBCL from January<br />
1997 to December 2011 in Asan Medical Center. BM aspiration smears and biopsy sections were<br />
obtained in 9 cases. H&E stain and Immunohistochemical stains (anti-CD3, anti-CD20, anti-CD79a and<br />
anti-CD34) were per<strong>for</strong>med on BM biopsies. And all cases were evaluated by Abdomen/Pelvis CT and<br />
Chest CT. Whole body PET or brain imaging was taken in some cases.<br />
Results : BM, lung and skin were frequently involved (3 cases, 4 cases, 2 cases, respectively).<br />
Hemophagocytosis was observed in only one case. Total 4 out of 10 patients expired (40%). Two<br />
patients with BM involvement suffered a relapse and expired (67%). Anti-CD20 and Anti-CD34<br />
immunohistochemical stain helped with the diagnosis of BM involvement<br />
Conclusion : Different clinical features from patients in Western countries or Japan. BM involvement<br />
seems to be a strong unfavorable prognostic factor. Anti-CD34 ICH could be helpful <strong>for</strong> detection and<br />
diagnosis of IVLBCL especially in cases with vague infiltration pattern on H&E stain.<br />
- 101 -
No. 49 (PH 15)<br />
Evaluation of CellaVision DM96, an automated digital cell morphology<br />
identification system, <strong>for</strong> the examination of body fluid cytospin slides<br />
Hyun-Sook Chu, Young-Uk Cho, Sang Hyuk Park, Seongsoo Jang, Chan-Jeoung Park<br />
Department of Laboratory Medicine, university of Ulsan, College of Medicine and Asan<br />
Medical Center, Seoul, Korea<br />
Background: Several automated digital imaging systems have been introduced in recent years and<br />
showed excellent correlation with conventional manual and digital imaging differentials <strong>for</strong> the<br />
evaluation of peripheral blood smears. The aim of this study was to evaluate one of the modern<br />
automated digital imaging systems, the CellaVision DM96 (CellaVision AB, Sweden), <strong>for</strong> the<br />
examination of body fluid cytospin slides.<br />
Methods: We evaluated 101 body fluid cytospin slides from 91 patients. In the manual microscopic<br />
differentials, 62 cases had malignant effusion or leptomeningeal seeding, of which 47 had metastatic<br />
carcinoma and 15 had lymphoma or leukemia involvement. The remaining 39 cases showed benign<br />
conditions. Specimen types included 40 peritoneal fluid, 26 pleural fluid, 25 cerebrospinal fluid (CSF),<br />
5 bronchoalveolar lavage fluid, 3 dialysis fluid, and 2 pericardial fluid samples.<br />
Results: Results from the comparisons showed good correlation <strong>for</strong> all cell classes with correlation<br />
coefficients ranging from 0.643 to 0.998. Four CSF samples were not analyzed due to a very low<br />
number of total leukocytes (< 2 /μL). Strong correlation was observed with neutrophils, lymphocytes,<br />
macrophages and eosinophils with correlation coefficients greater than 0.8. However, correlation<br />
coefficients <strong>for</strong> mesothelial cells and malignant cells were slightly lower, with the values of 0.698 and<br />
0.643, respectively. More malignant cells were detected on manual microscopic examination than with<br />
the digital imaging system, with a mean difference of 13.5%. Notably, cases with benign effusion or<br />
CSF showed excellent correlation <strong>for</strong> all major cell classes, with correlation coefficients greater than 0.9.<br />
Correlation was unaffected by the leukocyte count in the fluid.<br />
Conclusions: Our evaluation of CellaVision DM96 revealed good correlation with manual microscopic<br />
differentials <strong>for</strong> evaluation of body fluid cytospin slides. Thus, this system can be an effective option <strong>for</strong><br />
body fluid analysis in hematology laboratories needing an automated digital imaging system. In<br />
particular, it can be used to rule out malignant effusion or leptomeningeal seeding as a first-line<br />
screening tool and can help improve workflow and reduce turnaround time.<br />
- 102 -
No. 50 (PH 16)<br />
Calculation of Measurement Uncertainty <strong>for</strong> Complete Blood Cell Counts (CBC)<br />
Atsushi Shirakami, Masako Koguchi, Tsutomu Kakuyama, Kanako Kiso, Takashi Kitagawa<br />
Sysmex Corporation, Japan<br />
Recently, due to penetration of ISO standards (ISO 15189 1) ) and globalization of health services,<br />
medical laboratories are required to assure the reliability of testing results by showing its traceability<br />
and measurement uncertainty. To achieve it, ISO 17511 2) requires IVD manufacturers to establish the<br />
metrological traceability <strong>for</strong> the testing parameters to the end-users. For hematological testing<br />
parameters, such as CBC, there is no certified reference material (CRM) except <strong>for</strong> Hb – fresh blood<br />
sample is the only material that can transfer the data of the reference measurement procedure (RMP),<br />
which made the standardization of CBC results more difficult than clinical chemistry. We established the<br />
metrological traceability and the calculation methods of measurement uncertainty <strong>for</strong> the CBC 5<br />
parameters, WBC, RBC, Hb, Ht and Plt, based on the GUM 3) approach. The major data-transfer process<br />
in the manufacturer consists of the following three steps ;<br />
Step 1. Value assignment of five fresh blood samples with RMP<br />
Step 2. Calibration of standard analyzers with value-assigned fresh blood samples<br />
Step 3. Value assignment of product calibrator<br />
For each step, we evaluated the major uncertainty sources and calculated the measurement uncertainty<br />
by ANOVA and uncertainty budget. Then we assigned the values of the product calibrator with<br />
expanded uncertainty (coverage factor; k=2).So medical laboratory can assure the traceability and<br />
measurement uncertainty by calibrating the hematology analyzer with the product calibrator. However,<br />
as <strong>for</strong> utility of uncertainty in the routine laboratory test results <strong>for</strong> clinician, more discussion is<br />
necessary.<br />
1)<br />
ISO 15189, Medical laboratories – Particular requirements <strong>for</strong> quality and competence<br />
2)<br />
ISO 17511, In vitro diagnostic medical devices - Measurement of quantities in biological<br />
samples - Metrological traceability of values assigned to calibrators and control materials<br />
3)<br />
GUM : Guide to the Expression of Uncertainty in Measurement<br />
- 103 -
No. 51 (PH 17)<br />
Serum Thymidine Kinase 1 as a Potential Marker <strong>for</strong> Aggressive Behavior in<br />
Patients with B-cell Lymphoma<br />
Heyjin Kim, Jin Kyung Lee, Young Jun Hong, Seok-Il Hong, and Yoon Hwan Chang<br />
Department of Laboratory Medicine, Korea Cancer Center Hospital, Seoul, Korea<br />
Aim: B-cell lymphoma comprises a heterogeneous group of lymphoproliferative malignancies with<br />
various clinical and biological features. The cell cycle-dependent enzyme, thymidine kinase 1 (TK1) has<br />
been known as one of the markers of cancer cell proliferation and had been reported as a prognostic<br />
factor in various solid tumors and CLL. The aim of this study is to evaluate the usefulness of TK1 as a<br />
biomarker <strong>for</strong> aggressive behavior in patients with B-cell lymphoma.<br />
Methods: A total of 52 patients with previously untreated B-cell lymphoma (25 women, 27 men; age,<br />
14-86 years; median age, 62.5 years) and 43 healthy control subjects were enrolled in this study. TK1<br />
level in serum were measured by chemiluminescence immunoassay (LIAISON ® , DiaSorin, USA).<br />
Results: The 95 percentile reference range <strong>for</strong> serum TK1 in healthy controls was 4.5-18.6 U/L. There<br />
was a clear difference in mean TK level was shown between patients and healthy controls (46.8 ± 79.0<br />
vs. 9.9 ± 3.9 U/L, P = 0.003). The mean TK1 level of patients with bone marrow involvement was<br />
significantly elevated compared with that of patients without bone marrow involvement (128.8 +± 144.1<br />
vs. 29.6 ± 43.3 U/L, P=0.002). The mean TK1 level in the clinical stage III and IV group was<br />
significantly higher than that of the clinical stage I and II (85.1 ± 109.8 vs. 20.8 ± 28.9 U/L, P=0.016)<br />
group. The increased TK1 level at the time of diagnosis was correlated with the advanced clinical stage<br />
(P=0.000), international prognostic index score (P = 0.001), B symptoms (P = 0.035), hemoglobin level<br />
below 12.0 g/dL (P=0.004), and lactate dehydrogenase level above 480 U/L (P=0.000).<br />
Conclusions: These findings indicate an association between serum TK1 level and aggressive behavior<br />
of B-cell lymphoma. There<strong>for</strong>e, the TK1 level could serve as a valuable prognostic marker in patients<br />
with B-cell lymphoma.<br />
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No. 52 (PM 1)<br />
High seroprevalence of human herpes virus type 8 in patients with lung carcinoma<br />
Cheng-Chuan Su 1,2,3 , Chun-Liang Lai 4 , Ming Nan Lin 5<br />
1<br />
Institute of Medical Sciences, and Departments of Laboratory Medicine and Pathology, School of<br />
Medicine, Tzu Chi University, Hualien, Taiwan; Departments of 2 Clinical Pathology, 3 Anatomic<br />
Pathology, 4 Chest Medicine, and 5 Family Medicine, Buddhist Dalin Tzu Chi General Hospital, Chiayi,<br />
Taiwan<br />
Background: Human herpes virus type 8 (HHV-8) DNA is found consistently in all types of Kaposi’s<br />
sarcoma (KS), which is sometimes seen in human immunodeficiency virus (HIV) non-infected patients<br />
with immunologic abnormalities. Lung carcinoma is one of the most common malignancies developing<br />
in immunocompromised patients. However, the prevalence of HHV-8 infection in lung carcinoma<br />
patients is unclear.<br />
Methods: Blood samples were collected from 109 lung carcinoma patients with malignant pleural<br />
effusion and 109 age-matched healthy controls and analyzed <strong>for</strong> lymphocyte and monocyte counts, and<br />
presence of HHV-8 antibody and DNA. All study subjects were negative <strong>for</strong> anti-HIV antibodies.<br />
Results: Lung carcinoma patients had significantly lower mean lymphocyte counts and significantly<br />
higher monocyte counts than the healthy controls (P < 0.001). Three patients with lymphopenia and<br />
stage IV tumor were positive <strong>for</strong> HHV-8 DNA, one of them was negative <strong>for</strong> HHV-8 antibody. HHV-8<br />
positivity was significantly higher in patients (42.2%), particularly in male patients (50.8%), than in<br />
healthy controls (24.8%) (P = 0.006 and < 0.001, respectively). HHV-8 positivity was significantly<br />
greater in male patients than in female patients (29.5%) (P = 0.028). HHV-8 antibody titers in patients<br />
also significantly exceeded those in healthy controls (P = 0.004). All subjects positive <strong>for</strong> HHV-8 were<br />
not associated with clinical manifestations of HHV-8 infection.<br />
Conclusions: HHV-8 seroprevalence was significantly greater in lung carcinoma patients than in<br />
healthy controls, and associated with gender.<br />
- 105 -
No. 53 (PM 2)<br />
HIV-1 RNA viral load in seminal fluid: quantification with NASBA<br />
Lyana Setiawan, Agus Susanto Kosasih, Samsuridjal Djauzi, Haridana Indah Mahdi,<br />
Runingsih<br />
Dharmais Cancer Hospital, Indonesia<br />
As the prevalence of HIV infection increases, the problem of discordant couples with HIV arises.<br />
Although the number is yet unknown, discordant couple presented problem of possible infection to the<br />
mothers and unborn babies. In this study, we assessed the utilization of nucleic acid sequence based<br />
amplification (NASBA) to quantify HIV-1 RNA in seminal fluid, and reported the HIV-1 RNA viral<br />
load in the seminal fluid of patients with discordant couple from the outpatient clinic of Dharmais<br />
Cancer Hospital during July 2010 – February 2012, who have already been successfully treated with<br />
antiretrovirals (ARV).<br />
To determine the usefulness of NASBA, RNA from 2 unprocessed seminal fluid specimens were<br />
extracted using the MiniMag®, amplified by NASBA, and the result quantified. To verify the usefulness<br />
of sperm washing, we processed specimen with high HIV-1 RNA with gradient centrifugation to wash<br />
the sperm, and quantified the viral load in the resulting seminal plasma from first centrifugation, and the<br />
supernatant and sperm from the second washing. After optimization, we evaluated the result of 43<br />
patients treated with ARV who were referred <strong>for</strong> HIV-RNA in seminal fluid test.<br />
HIV-1 RNA was detected in the unprocessed seminal fluid (Pt#1 19,000 IU/ml; pt#2 740 IU/ml), and<br />
in the seminal fluid from the first centrifugation. Supernatant and sperm from the second washing<br />
showed HIV-RNA below detection limit. The result proved that boom extraction and NASBA principle<br />
can be used <strong>for</strong> quantification of HIV-RNA in seminal fluid, and that sperm washing was effective to<br />
minimize the risk of infection in assisted reproduction, but this needed to be verified with more samples.<br />
All 43 patients showed HIV-RNA below detection limit (
No. 54 (PM 3)<br />
Epidemiological and microbiological feature of meningococcal infection in<br />
Ulaanbaatar city<br />
B. Uyanga, MD 1 , G. Oyungerel, MD 2<br />
1 SOS Medica Hospital, Ulaanbaatar, Mongolia<br />
2 Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
Objectives: Detection of carrier state of meningococcal infection and study of their distribution in<br />
different area of Ulaanbaatar city <strong>for</strong> the period of January – April 2011.<br />
Materials and Methods: 4720 throat swabs were collected and inoculated on Thayer – Martin agar<br />
medium, as used <strong>for</strong> primarily isolating Neisseria meningitides and as the medium that inhibits the<br />
growth of the most other microorganisms. Biochemical properties of the isolated strains characterized<br />
on medias, enriched with different carbohydrates such as glucose, maltose, saccharose and lactose.<br />
Standardized methods have been used <strong>for</strong> testing of oxidase activity and serological typing.<br />
Results: For the period of 2005 – 2010 registered several cases of spreads of meningococcal meningitis<br />
in the city, preceded by increase of “healthy” carriers of meningococci, who considered as the source of<br />
spreads to the surrounding people. 514 samples give growth of the N. meningitides, where serogroup B<br />
detected as most prevalent type (69.74%), followed by serogroup C (10.3%) and serogroup A as the<br />
lowest type (0.19%), with irregularity in distribution in different parts of the city.<br />
Highest positivity of carrier states were revealed geographically in Sukhbaatar and Bayan – Gol districts<br />
as taken together (70% of the total growth), and peak of the positivity of months of January and<br />
February followed by marked decline in the month of April. Age group of positivity falls between 0 and<br />
7 years (65%), as expected and most of them were from kinder garden and only 27 kids were from home<br />
staying places.<br />
Conclusion: 1. Serogroup B is the main type (~70%) of the meningococcal strain in Ulaanbaatar city<br />
and serogroup A is the least one (0.19%), with no registered serotype of D and Y. 2. Epidemiologically<br />
important carrier states were detected mostly in children visiting communal institutions like kinder<br />
gardens and schools (405 cases) and were characterized by seasonal and geographical differences in the<br />
city.<br />
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No.55 (PM 4)<br />
The inhibitory effect of serum HLA class I antigens on EBV-specific CD8+CTL in<br />
vitro<br />
N.Erdenesuvd 1,3 , B.Gansuvd 1,2 , B.Munkhbat 1,2 , M.Hagihara 2 , T.Hotta 2 , N.Munkhtuvshin 1 ,<br />
1<br />
Central Scientific Research laboratory, Nat’l Institute of Medicine, Mongolia<br />
2<br />
Department of Transplantation Immunology, Tokai University, Japan<br />
3<br />
Dept. Laboratory Medicine, General Hospital, Uvurkhangai, Mongolia<br />
Objectives: The level of sHLA class I molecules in human sera is markedly increased after BM and<br />
organ transplantation, viral infections, autoimmune disorders and cancer. Their biological and clinical<br />
significance has not been fully studied. In the present study the effects of soluble HLA (sHLA) class I<br />
molecules against EBV-specific CTL were examined.<br />
Materials and Methods: Two different sources of sHLA class I, either bioengineered spliced <strong>for</strong>m of<br />
HLA-B7 (sB7) or natural production from EBV-trans<strong>for</strong>med B cells (natural sHLA), were added during<br />
the induction of CTL or incubated with MHC-restricted CD8+ CTL, which were selected by<br />
immunobeads just be<strong>for</strong>e testing <strong>for</strong> their cytotoxic activity.<br />
Results: Both sB7 and natural sHLA class I blocked the generation of CD+ CTL and also inhibited the<br />
cytotoxic activity of established CTL in a dosedependent manner. In both ways, natural sHLA class I<br />
was effective in 10-fold lover concentrations compared with sB7. The inhibitory effect did not require a<br />
shaping of the HLA allotypes between sHLA and the CTL. CTL, after being treated with sHLA,<br />
underwent apoptosis, which was considered here as the main mechanism. Generally, sHLA class I<br />
consists of three different molecular <strong>for</strong>ms: a shedding <strong>for</strong>m with a heavy chain of 44 kD, a splicing<br />
<strong>for</strong>m with a heavy chain of 35 kD and 37 kD. All these molecules are associated with β2-microglobulin.<br />
Also it was reported that membrane-derived, naturally occurring sHLA class I <strong>for</strong>ms multimers through<br />
the ydrophobic<br />
transmembrane tail, whereas cytosol-derived sHLA class I cannot <strong>for</strong>m aggregates. In our studies, the<br />
naturally sHLA class I consisted of all three different molecular <strong>for</strong>ms of HLA-B7.<br />
Conclusion: The naturally occurring sHLA class I induces apoptosis more markedly than sB7. supports<br />
the same suggestion that the membrane -derived naturally occurring sHLA class I could cross-link with<br />
TCR/CD3 complexes via its multimeric <strong>for</strong>ms, and it probably leads to more effective apoptosis of the<br />
CTL. The difference in the biochemical nature of sHLA class I molecules might be the reason why the<br />
inhibitory effect of naturally occurring sHLA class I as stronger than that of sB7.<br />
- 108 -
No. 56 (PM 5)<br />
Tuberculosis screening by a T cell interferon-γ release assay in students of medical<br />
school and international students in Gunma University<br />
Rumi Watanabe 1) , Takao Kimura 2) , Yutaka Tokue 3) , Takayuki Ogiwara 3) , Makoto Nara 3) , Yoshino<br />
Kobayashi 1) , Toshiya Inoue 1) , Hiroyuki Sumino 1) , Tadashi Morimura 1) , Osamu Araki 1) , Katsuhiko<br />
Tsunekawa 1) , Tomoyuki Aoki 1) , Toshiko Obuchi 3) , Yukie Yomoda 1) , Kihachi Ohshima 2) , Masami<br />
1, 2, 3)<br />
Murakami<br />
1) Clinical Laboratory Center, Gunma University Hospital, Maebashi, Japan. 2) Department of Clinical<br />
Laboratory Medicine, Gunma University Graduate School of Medicine, Maebashi, Japan, 3)Infection<br />
Control and Prevention Center, Gunma University Hospital, Maebashi, Japan<br />
Screening and targeted testing <strong>for</strong> tuberculosis (TB) is a key strategy <strong>for</strong> controlling and preventing<br />
infection on university campus and teaching hospital. The Mycobacterium tuberculosis antigen-specific<br />
interferon-γ release assays (IGRAs) are used to detect latent tuberculosis infection. In Japan, it is<br />
desirable to obtain basal data of IGRAs in medical school students and international students. To<br />
evaluate tuberculosis risk in university campus and medical school at course entry, retrospective study<br />
was per<strong>for</strong>med. One thousand two hundred seventy-one students (887 medical students and 384<br />
international students in Gunma University) underwent QunatiFERON-TB Gold test (QFT-TB) or<br />
QunatiFERON-TB In-Tube test (QFT-GIT) at course entry. Eight of 887 medical students (0.9%) were<br />
positive <strong>for</strong> QFT-TB or QFT-GIT, and none was diagnosed to have active tuberculosis among positive<br />
students. Thirty of 384 international students (7.8%) were positive <strong>for</strong> QFT-GIT, and 2 students of 30<br />
QFT-GIT positive students (6.7%) were diagnosed active tuberculosis during follow up. Positive ratio of<br />
QFT-GIT in international students of Gunma University was significantly higher than that of medical<br />
students. We propose tuberculosis screening with QFT-GIT test as a standard approach <strong>for</strong> medical<br />
students and international students in Japan.<br />
- 109 -
No. 57 (PM 6)<br />
Differences of Vancomycin MICs <strong>for</strong> MRSA Isolates Based upon the study<br />
Susceptibility Test Method Used<br />
K Watanabe, M Mikami, Y Saya, C Tanaka, F Omata, K Furukawa, K Takeda<br />
St. Luke’s International Hospital, Japan<br />
Background: Recent studies reported increasing trend of vancomycin (VCM) treatment failure in<br />
methicillin-resistant Staphylococcus aureus (MRSA) blood stream infections. Differences in VCM MIC<br />
values among different tests are also reported. The aim of this study was to evaluate recent change in the<br />
prevalence of MRSA with high VCM MIC(=2.0) and to compare the results of the three methods such<br />
as E-test®, VTEK2® and Broth microdilution (BMD). Methods: E-test® ,VITEK2® and BMD were<br />
applied <strong>for</strong> measuring VCM MIC in consecutive 59 MRSA strains isolated from blood cultures of 59<br />
patients between 2007 and 2012. The tests results were categorized to binary variables using cut-off<br />
value of 2.00μg/ml to calculate the kappa statistic. The annual change of prevalence of VCM resistant<br />
MRSA was tested by Fisher’s exact test.<br />
Results: MRSA were isolated from blood cultures in 28 cases in 2008,12 cases in 2009, 9 cases in 2010,<br />
and 10 cases in 2011. The prevalence of strain with VCM MIC 2.0μg/ml using BMD method was 14%<br />
in 2008, 28.6% in 2009, 0% in 2010, and 10% in 2011. There was no significant annual change in the<br />
prevalence of VCM resistant MRSA (P=0.23 by Fisher’s exact test).The proportion of strain with MIC<br />
2.00μg/ml of BMD, VITEK2® and E-test® method was 15.2%, 0.5% and 59%, respectively. The kappa<br />
statistic of three tests was 0.12. Conclusion: There is no significant change in the prevalence of MRSA<br />
with high VCM MIC (=2.0) measured by BMD method from 2008 to 2011. Comparing to BMD method,<br />
VITEK2® method tends to miss MRSA with high VCM MIC (=2.0). On the other hand, E-test®<br />
method tends to overdiagnose MRSA with high VCM MIC (=2.0). The differences between tests’<br />
characteristics should be taken into account <strong>for</strong> clinical implication<br />
- 110 -
No. 58 (PM 7)<br />
Mycobacterium Kyorinense Infection: Clinical Features and Antimicrobial<br />
Susceptibility<br />
Hiroaki Ohnishi 1 , Shota Yonetani 1 , Satsuki Matsushima 1 , Kouki Ohtsuka 1 , Tomonori<br />
Kishino 1 , Hiroo Wada 2 , Hajime Goto 2 , Takashi Watanabe 1<br />
Departments of 1 Laboratory Medicine and 2 Respiratory Medicine, Kyorin University<br />
School of Medicine, Japan<br />
Mycobacterium kyorinense is a nonpigmented, slowly growing mycobacterium that was initially<br />
isolated in 2007. Biochemical tests and genetic analyses showed that M. kyorinense is most closely<br />
related to M. celatum and M. branderi. We here describe 7 newly identified cases with 4 previously<br />
reported cases, in which infection potentially was caused by M. kyorinense. In reviewing these 11 cases<br />
(10 Japanese and 1 Brazilian), 9 presented with respiratory infections, 1 with lymphadenitis, and 1 with<br />
arthritis. Seven patients were treated by first-line tuberculosis drugs, mainly consisting of rifampin,<br />
isoniazid, and ethambutol, but these therapies were ineffective in all cases. Six cases were treated with a<br />
combination of antibiotics including macrolides and fluoroquinolones as a first- or second-line<br />
chemotherapy, and infection was subdued without recurrence in 5 cases. In contrast, 4 pneumonia<br />
patients who did not receive sufficient therapy with the latter regimen eventually died of infection. In<br />
concordance with the clinical antimicrobial susceptibility, most strains exhibited relatively high MICs<br />
<strong>for</strong> rifampin, ethambutol, and isoniazid, and relatively low MICs <strong>for</strong> macrolides, aminoglycosides, and<br />
quinolones. Notably, remarkably high MICs (>32 �g/ml) w<br />
Direct sequencing of the 16S rRNA gene revealed that all available M. kyorinense isolates were<br />
identical within this gene, except <strong>for</strong> the Brazilian strain which showed slight difference with other<br />
Japanese isolates. Direct sequencing of the entire rpoB gene demonstrated that all strains had identical<br />
sequences, with Ser531 in the M. tuberculosis RpoB protein replaced by an Asp in M. kyorinense.<br />
Notably, Ser531 is the most frequent location of substitutions in rifampin-resistant strains of M.<br />
tuberculosis. These data suggest that M. kyorinense belongs to non-tuberculous mycobacteria that have<br />
pathogenicity <strong>for</strong> humans with substantial clinical significance, and that M. kyorinense is inherently<br />
resistant to rifampin due to the structural features of its RpoB protein.<br />
- 111 -
No. 59 (PM 8)<br />
The first case of Lecythophora hoffmanni peritonitis in Korea<br />
Hunsuk Suh 1 MD, PhD, Jonghee Shin 2 MD,PhD<br />
1. Laboratory medicine, Daegu Catholic University Hospital 2. Laboratory medicine, Jeonnam<br />
University Hospital, Korea<br />
The Lecythophora species are very rare pathogen to human reported as subcutaneous abscess, corneal<br />
infection, endophthalmitis, sinusitis, peritonitis, and endocarditis, and cannot found the clinical case<br />
especially caused by Lecythophora hoffmannii in Korea. So we introduce the first case of L. hoffmanni<br />
peritonitis infection in Korea.<br />
A 79-year-old female had a medical history of end stage of renal disease (ESRD) with continuous<br />
ambulatory peritoneal dialysis (CAPD) was hospitalized <strong>for</strong> abdominal pain with diarrhea and anorexia<br />
at June 2012. Initial WBC counts were 11.9 x 10 3 /uL, Hb was 11.1 g/dL, and platelet were 643 x 10 3 /uL.<br />
ESR were 104 mm/hr and BUN and Cr were 61.8 and 6.6 mg/dL, respectively. The abdominal CT<br />
showed sclerosing encapsulating peritonitis, so she treated by experience antibiotics. Cultures was done<br />
with 7 peritoneal fluid samples from June 13 to July 16, same fungus was growth all samples. The rate<br />
of growth is average 4 days at 30C. The colony morphology was smooth, moist to slimy yeast like, with<br />
fuzzy. It shows yellow-orange to salmon pink colors. Reverse is yellow to orange. In microscopic, yeast<br />
like conidia were significantly noted and a few hyaline, septated hyphae were seen. It was not identified<br />
used by yeast card of VITEK II system (Biomerieux, French). So the 26S rRNA sequencing was done<br />
and identified as Lecythophora hoffmannii.<br />
- 112 -
No. 60 (PM 9)<br />
Sensitive, one, two-drug resistance, and MDRP Pseudomonas aeruginosa integron<br />
carrying rates<br />
Daisuke Tanabe<br />
Bunkyo Gakuin University graduate school, Japan<br />
Pseudomonas aeruginosa is pathogenic bacteria isolated high frequency to cause opportunistic infection.<br />
Since the introduction of antibiotics in the treatment of P. aeruginosa infection, antibiotic resistance<br />
has spread quickly among bacteria. Such explosive dissemination is a consequence of the mobility of<br />
the antibiotic resistance encoding genes, which are usually found in integrons. That resistance<br />
mechanism called integron structures is associated with the insertion of resistance genes into cassette<br />
region. Although, the analyses of integron structures of MDRP has been reported, the analyses of<br />
sensitive, one, and two-drug resistant isolates has less reported. The purpose of this study is to analyze<br />
integron structures of P. aeruginosa and to investigate carrying rates. P. aeruginosa was used 96<br />
clinical isolates from hospitals located in the Kanto area. Susceptibilities which used 10 antimicrobial<br />
agents was determined by MIC testing in reference to Clinical and Laboratory Standards Institute<br />
(CLSI). SMA disk was used to screen <strong>for</strong> Metaro β-lactamase producing (MBL) isolates. PCR<br />
analyses <strong>for</strong> the detection of MBL genes were carried out <strong>for</strong> all strains <strong>for</strong> which the screening test<br />
using SMA disks gave positive results. Furthermore, class 1,2,3 integrons were per<strong>for</strong>med all isolates<br />
according to the method reported by Senda. From the Susceptibility testing result, P. aeruginosa was<br />
separated into 4 classes (sensitive, one, two-drug resistant, and MDRP) according to MDRP criteria of<br />
CLSI (2010) (IPM 16µg/ml, CPFX 4µg/ml, and AMK 32µg/ml). There were Forty-six, twenty, sixteen,<br />
fourteen, respectively. Thirty isolates were carried class 1 integron; two of 46 sensitive isolates, 7of 20<br />
one-drug resistance, 8 of 16 two-drug resistance, and 13 of 14 MDRP. In this present study, the parts of<br />
sensitive, one , and two-drug resistance isolates carried class 1 integrons. It is considered that<br />
non-MDRP may be able to change MDRP according to insert resistance genes into integrons.<br />
- 113 -
No. 61 (PM 10)<br />
Application of MALDI-TOF MS-based strain typing <strong>for</strong> characterization of<br />
epidemiological relationships among bacterial strains<br />
Megumi Oho 1) , Zenzo Nagasawa 1) , Koji Kusaba 1) , Takanori Higashitani 1) , Shoitiro Ohta 1) ,<br />
Eisaburo Sueoka 1) , Hiroshi Miyamoto 2)<br />
Department of Laboratory Medicine, Saga University Hospital 1) ,<br />
Division of Microbiology, Department of Pathology and Microbiology,<br />
Faculty of Medicine, Saga University 2) , Japan<br />
【Purpose】MALDI-TOF MS-based strain typing <strong>for</strong> microorganisms is a fast and inexpensive<br />
technology <strong>for</strong> identification of bacteria. We introduced MALDI Biotyper Ⓡ (Bruker Daltonics Inc,) as a<br />
clinical diagnostic system <strong>for</strong> microbial infection since April this year. The system needs only 10<br />
minutes from isolation of the target colonies and considerably accurate compared with genomic analysis<br />
using 16S rRNA. We applied this system to characterize the epidemiological relationships among<br />
bacterial strains.<br />
【Samples and Methods】24 of MRSA and 48 of Pseudomonas aeruginosa strains, those genomic<br />
pattern determined by pulsed-field gel electrophoresis (PFGE), were analyzed by MALDI Biotyper, and<br />
the characteristic amino acid profiles were assessed by ClinProTools. For extraction of the proteins from<br />
bacteria, an ethanol-<strong>for</strong>mic acid extraction method was used, and the assays were conducted by<br />
duplicate to obtain confirmative spectra. The spectra were analyzed by using ClinProTools (Bruker<br />
Daltonics Inc.). ClinProTools is designed to facilitate the processing and comparison of multiple spectra<br />
from each bacterium by automatically normalizing, baseline subtracting, peak defining, and<br />
recalibrating.<br />
【Results】We compared the results obtained from MALDI-TOF MS combined with ClinProTools and<br />
those from PFGE. The epidemiological relationships examined by MALDI-TOF MS and PFGE among<br />
MRSA and Pseudomonas aeruginosa strains were almost identical. The results were validated with<br />
other molecular epidemiological examinations.<br />
【Conclusion】The epidemiological relationships examined by MALDI-TOF MS showed comparable<br />
data with PFGE. Since MALDI-TOF MS-based strain typing <strong>for</strong> microorganisms is a fast and<br />
inexpensive technology <strong>for</strong> identification of bacteria, the technique combined with ClinProTools is<br />
thought to be a useful tool <strong>for</strong> molecular epidemiological relationships among bacterial strains.<br />
- 114 -
No. 62 (PM 11)<br />
Simultaneous inhibition of NF-κB and caspase-1 by a cell-permeable compound<br />
DHMEQ leads to potent suppression of IL-1β<br />
Sayaka Ito, Misako Iwata, Tetsuo Kubota<br />
Graduate School of Health Care Sciences, Tokyo Medical and Dental University, Japan<br />
Objective: A rare autoinflammatory disorder, cryopyrin-associated periodic syndromes (CAPS), is<br />
caused by uncontrolled secretion of IL-1β leading to recurrent inflammatory attacks. To develop a novel<br />
therapeutic strategy <strong>for</strong> CAPS, we studied an effect of a cell-permeable compound (-)-dehydroxy methyl<br />
epoxy quinomicin (DHMEQ) in an in vitro assay system <strong>for</strong> IL-1β production.<br />
Methods: Peripheral blood mononuclear cells (PBMCs) from patients with CAPS and healthy<br />
volunteers were primed <strong>for</strong> 3h with LPS, followed by stimulation with ATP, and secreted IL-1β was<br />
measured by ELISA. DHMEQ (provided by Dr. Umezawa, Aichi Medical University) was added at<br />
different time points to examine the effect on expression of IL-1β and activation of caspase-1. Activated<br />
caspase-1 was detected by fluorescent staining using FAM-Tyr-Val-Ala-Asp-FMK. Caspase-1 and IL-1β<br />
in the cell lysates and culture supernatants were detected by western blotting. Recombinant caspase-1<br />
enzyme activity was measured by colorimetry using Ac-Tyr-Val-Ala-Asp-pNA.<br />
Results: Normal PBMCs secreted IL-1β only after ATP stimulation following LPS priming. In contrast,<br />
CAPS patients’ PBMCs secreted IL-1β even without ATP stimulation. In both cases DHMEQ effectively<br />
suppressed IL-1β secretion when it was added to the culture be<strong>for</strong>e LPS priming. Western blotting<br />
revealed suppression of proIL-1β expression during the LPS priming, which was thought to be one of<br />
the mechanisms of the effect. In addition, when we added DHMEQ after expression of proIL-1β, it<br />
significantly inhibited IL-1βsecretion. Results of western blotting and cytostaining suggested that<br />
DHMEQ inhibited activation of caspase-1. In a cell-free system, DHMEQ inhibited the enzyme activity<br />
of recombinant caspase-1 in a dose dependent manner.<br />
Conclusion: DHMEQ is a derivative of an antibiotic epoxy quinomicin C, designed <strong>for</strong> the NF-κB<br />
inhibitory activity. In addition, we found herein the inhibitory effect of DHMEQ on caspase-1 resulting<br />
in a potent suppression of IL-1β secretion without significant cytotoxicity. DHMEQ might be a good<br />
candidate drug <strong>for</strong> clinical application in therapy of CAPS.<br />
- 115 -
No. 63 (PM 12)<br />
Comparison of a novel real-time PCR system in the quantification of HIV-1 RNA<br />
Demak Lumban Tobing, Sri Hartini, Theresia Koeshandini, Runingsih<br />
Dharmais Cancer Hospital Clinical Pathology Laboratory, Indonesia<br />
HIV-AIDS is a major healthcare problem in Indonesia, due to increasing prevalence, lifelong therapy,<br />
and high cost <strong>for</strong> monitoring. Monitoring of therapy requires HIV-RNA quantification, which is<br />
expensive and requires special equipment, dedicated room and skilled man power. A novel real-time<br />
PCR system (Existation) had been developed, which enabled real-time measurement of HIV-1 RNA<br />
in small to medium laboratory. We evaluated the per<strong>for</strong>mance of this system as compared to the<br />
reverse-transcriptase PCR (Cobas Taqman) and nucleic acid-based sequence amplification/ NASBA<br />
(Nuclisense). Fifty nine plasma samples were run on both Cobas Taqman and Existation, and 30<br />
plasma samples run on Nuclisense and Existation. The result of HIV-1 RNA viral load were<br />
analyzed descriptively. Of the 59 samples, 38 were not detected with Cobas Taqman (lower detection<br />
limit 33 IU/ml), and 3 of the 21 positive samples were below 400 IU/ml; 33 samples showed negative<br />
result from both plat<strong>for</strong>ms; 17 positive samples showed good agreement with the result of Existation<br />
consistently lower than Cobas Taqman (-1.22 log 10
No. 64 (PM 13)<br />
Measurement of Procalcitonin (PCT) and C-Reactive Protein (CRP) in Patients with<br />
ESBL-negative Bacteremia<br />
Soohun Yoo 1 , Seri Jeong 1 , Yongjung Park 1 , Nam Su Ku 2 , Dongeun Yong 1 and Hyon-Suk Kim 1*<br />
1 Department of Laboratory Medicine and 2 Internal Medicine, Severance Hospital, Yonsei University<br />
College of Medicine, Seoul, South Korea<br />
Aim: We measured procalcitonin (PCT) and C-reactive protein (CRP) in patients with extended<br />
spectrum beta lactamase (ESBL)-negative bacteremia and analyzed the results according to clinical<br />
status of the patients. Materials and Methods: A total of 100 patients who were ESBL-negative<br />
bacteremia were analyzed. Among measured database, data from first and last tests of PCT (PCT1,<br />
PCT2) and CRP (CRP1, CRP2) during hospital stay were evaluated. PCT levels were measured by the<br />
VIDAS ® BRAHMS PCT assay, and CRP concentrations were determined by a turbidimetric assay using<br />
CA-400 analyzer. Results: The levels PCT1 of patients with community acquired infection (n=65) were<br />
more significantly higher than those with nosocomial infection (n=35) (12.6 ng/mL vs. 1.5 ng/mL,<br />
p=0.0001). Clinically, PCT1 levels were significantly higher in patients with central line insertion<br />
(p=0.0089), pneumonia (p=0.0233) and intensive care unit admission (p=0.0258) than in patients<br />
without these conditions. CRP2 levels were significantly higher in patients with intubation (p=0.0064),<br />
leukocytosis at the admission (p=0.0081) and urinary tract infection (UTI) (p=0.0198). The higher<br />
levels of PCT2 were shown in patients with mortality (p=0.0005) and UTI (p=0.0198). Similarly,<br />
CRPs2 were also relevant with mortality (p
No. 65 (PM 14)<br />
Significant Increase of Sensitivity on Rapid Influenza Antigen Assays Using Silver<br />
Amplification Immunochromatography<br />
Satoshi KIMURA 1) , Hideyoshi OHTO 2) , Hayato YAMAGUCHI 1) , Seiji FUKUOKA 1) , Emiko<br />
NAKAMA 1) , Akiko TERADA 3) , and Akira UMEDA 2)<br />
1) Department of Laboratory Medicine and Central Clinical Laboratory, Showa<br />
University Northern Yokohama Hospital, Yokohama 224-8503, Japan<br />
2) Department of Pediatrics, Showa University Northern Yokohama Hospital<br />
3) R & D department, FUJIFILM Medical Co., Ltd, Tokyo, 106-0031, Japan<br />
Introduction: Influenza virus has been recognized as one of the most pandemic infectious disease agent.<br />
Rapid diagnosis of influenza is commonly per<strong>for</strong>med with immunochromatography method (IC) using<br />
specimens taken from upper respiratory tract. Although IC is easy and relatively cheap, its sensitivity<br />
is not perfect especially in early stage of disease because of low concentration of virus antigens.<br />
Applying a newly developed “silver amplification” principle, we generated a new assay method to<br />
increase sensitivity. The aim of this study is if our method has higher sensitivity and specificity than<br />
conventional IC assays.<br />
Materials and Methods: One hundred and twenty cases of influenza-like symptoms; fever, rhinorrhea,<br />
cough, and/or general fatigue who visited pediatrics department of our hospital from November 2011 to<br />
April 2012 were entitled. Cotton swab specimens were applied to Fuji Drychem IMMUNO AG1 TM<br />
(FUJIFILM Medical, Tokyo, Japan). Simultaneously, a conventional IC method was per<strong>for</strong>med with<br />
Quick Chaser FLU A/B TM by Mizuho Medy (Tosu, Japan). A real time PCR with TaqMan probe was<br />
also done <strong>for</strong> gold standard. This study was authorized by local ethic committee and written in<strong>for</strong>med<br />
consent was obtained from all the cases.<br />
Results: With silver amplification method, 23, 15 cases were influenza A, B positive, respectively. On<br />
the other hand, 23, 8 cases were A, B, positive with conventional assays. All the cases, which showed<br />
positive in new, negative in conventional influenza B assays, PCR results were positive. Their virus<br />
concentration ranged 10 5 to 10 9 copies/ml.<br />
Discussion: Specificity and sensitivity <strong>for</strong> influenza A was not different between the two assays.<br />
However, the silver amplification method showed higher sensitivity <strong>for</strong> influenza B. Because the new<br />
method applies photo-developing principle, its sensitivity was reported to increase 8 to 16 times,<br />
theoretically. This analyzer is small (18x20x11 cm) and light (1.8kg), it is suitable <strong>for</strong> bedside testing.<br />
Since number of cases is limited, more data are required to confirm the result.<br />
Conclusion: Our novel assay method using silver amplification has high potentiality to increase<br />
sensitivity of rapid bedside testing especially <strong>for</strong> influenza B.<br />
- 118 -
No. 66 (PF 1)<br />
Comparison of four portable apnea recording devices in daytime screening session<br />
<strong>for</strong> severe sleep apnea patients screening<br />
Chikage Torisawa, Chie Watanabe, Takeshi Tomihara, Chisato Shimazu, Taiji Furukawa<br />
Department of Laboratory Medicine, Teikyo University School of Medicine, Japan<br />
Evaluation <strong>for</strong> sleep apnea syndrome (SAS) in patients with cardiovascular problems is recommended in<br />
several existing guidelines. Although overnight polysomnography (PSG) is the golden standard <strong>for</strong> the<br />
evaluation, access to the examination is limited because it requires special institution and trained<br />
technicians. There<strong>for</strong>e, many portable recording devices with SpO2 monitoring only and those with<br />
SpO2 and airflow monitoring capability are developed <strong>for</strong> SAS screening. We constructed a daytime<br />
SAS screening session using portable devices to find out SAS patients during routine clinic visit of<br />
patients with cardiovascular problems. The subjects were asked to remain quiet and in a supine position<br />
in a dark room during the session <strong>for</strong> about 30 min. The present study evaluated the usefulness of four<br />
portable devices in detecting severe SAS cases through the screening session. The four devices are a<br />
thermister airflow-sensor type device (FM-500, Fukuda-denshi, Japan), two pressure airflow-sensor type<br />
devices (LS-300, Fukuda-lifetech; Morheus, Teijin, Japan), and a sheet-type device that detects chest<br />
wall movement (SD-101, Suzuken, Japan). Two hundred and ten patients underwent PSG after the<br />
screening session using one of the portable devices. We compared the respiratory disturbance index<br />
(RDI) measured in the sessions and apnea-hypopnea index (AHI) measured by standard PSG per<strong>for</strong>med<br />
afterward. The RDI by all devices and AHI correlated significantly. ROC analysis revealed that the<br />
thermister type device and sheet type devices had larger area under the curve (0.78 and 0.77,<br />
respectively) than two pressure sensor type devices (0.71 and 0.73) in detecting severe SAS patients<br />
(AHI in PSG≧ 30). The difference might be related to condition of airflow recording under nasal<br />
obstruction, as mouth breathing could not be monitored by the pressure type sensor in 8 cases. The<br />
results suggested that portable recording devices usable under nasal obstruction would be suitable <strong>for</strong><br />
SAS screening session.<br />
- 119 -
No. 67 (PF 2)<br />
The relationship between arterial wall elasticity by the phased tracking method and<br />
vascular manifestations in type 2 diabetes mellitus patients<br />
Michiaki Miyamoto 1) , Kazuhiko Kotani 1) , Hideyuki Hasegawa 2, 3) , Hiroshi Kanai 3, 2) , Harumi<br />
Koibuchi 1) , Yasutomo Fujii 1) , Kei Konno 1) , Toshiyuki Yamada 1) and Nobuyuki Taniguchi 1)<br />
1) Department of Clinical Laboratory Medicine, Jichi Medical University, Tochigi, Japan<br />
2) Graduate School of Biomedical Engineering, Tohoku University, Sendai, Japan<br />
3) Graduate School of Engineering, Tohoku University, Sendai, Japan<br />
Aim: The aim of the present study was to investigate the utility of atherosclerotic evaluation of brachial<br />
and radial arterial wall elasticity (AWE) by the phased tracking method in patients with type 2 diabetes<br />
mellitus (T2DM).<br />
Methods: This hospital-based cross-sectional study included 244 patients with T2DM(males: 61%,<br />
mean age: 60 years). The patients were classified by vascular manifestations including a history of<br />
celebrovascular disease, coronary artery disease, diabetic retinopathy and nephropathy. The smoking<br />
habits, body mass index (BMI), blood pressure (BP), hemoglobin A1c, serum low-density lipoprotein,<br />
high-density lipoprotein, triglyceride, creatinine, and brachial and radial AWE were recorded.<br />
Differences of brachial and radial AWE by the progression of vascular manifestations were analyzed.<br />
Results: A total of 121 patients had vascular manifestations (50%). In the univariate analyses, a<br />
significant correlation was detected between brachial AWE and BMI (r = 0.30), systolic BP (r = 0.41),<br />
creatinine (r = 0.19), high-density lipoprotein (r = -0.17) and triglyceride (r = 0.14). Radial AWE had a<br />
significant correlation with BMI (r = 0.38), systolic BP (r = 0.48), creatinine (r = 0.19) and triglyceride<br />
(r = 0.18). These correlations were not largely altered in patients with or without vascular<br />
manifestations. Brachial and radial AWE of patients with vascular disease were significantly higher than<br />
those of patients without vascular manifestations (brachial AWE, 791 ± 236 kPa [Pascal] and 682 ± 215<br />
kPa, p < 0.01; radial AWE, 752 ± 245 kPa and 633 ± 209 kPa, p < 0.01). Receiver operating<br />
characteristic curve of boundary value of brachial and radial AWE revealed an area under the curve to<br />
identify the patients with vascular manifestations (brachial AWE, 0.65, p
No. 68 (PP 1)<br />
The expressions of O 6 -methylguanine DNA methyltransferase and epidermal<br />
growth factor receptor on ganglioglioma: A clinicopathologic and<br />
immunohistochemical study<br />
I-Wei Chang 1,2 , Jui-Wei Lin 3<br />
1<br />
Department of Pathology, E-DA Hospital/I-Shou University<br />
2<br />
Institute of Biotechnology and Chemical Engineering, I-Shou University<br />
3<br />
Department of Pathology , Kaohsiung Chang Gung Memorial Hospital, Taiwan<br />
Background: Ganglioglioma (GG) is an uncommon brain parenchymal neoplasm. Although most cases<br />
have indolent clinical behavior, a subgroup of GGs with anaplastic change in the glial component has<br />
aggressive behavior and less favorable outcome. O6-methylguanine DNA methyltransferase (MGMT)<br />
is a DNA repair protein that removes mutagenic and cytotoxic adducts from O6-guanine in DNA. Lack<br />
of MGMT protein expression immunohistochemically is related to drug responses in patients of<br />
malignant glioma treated with alkylating agents. EGFR is the most frequently amplified gene in<br />
glioblastoma and associated with tumor invasiveness, angiogenesis, poor survival, and resistance to<br />
radiation therapy. To elucidate the relationship between the statuses of the MGMT as well as EGFR<br />
proteins and the tumor grading and prognosis, we conduct this study.<br />
Methods: Clinicopathologic and immunohistochemical study of nine cases was per<strong>for</strong>med.<br />
Results: This series included four men and five women with a mean age of 21.4 years at first surgery.<br />
Immunohistochemically, the MGMT and EGFR protein expressions tended to be more intensive in<br />
anaplastic GG, corresponding to the worse prognostic predictive value of 3+ MGMT and 2+ EGFR<br />
staining in glial cell component, as well as 1+ EGFR staining in neuronal cell components.<br />
Conclusions: The series showed that MGMT and EGFR protein expressions tended to be more<br />
intensive in anaplastic ganglioglioma.<br />
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No. 69 (PP 2)<br />
Pathological characteristics of HER2/neu-amplified gastric carcinomas<br />
M. Bamba, H. Sugihara, S. Takemura, K. Fukuda, M. Masuyama, T. Shigematsu and R. Kushima<br />
Depts. Pathology (MB&ST), Surgery (KF&MM) and Gastroenterology (TS), Saiseikai Shiga Hosp.<br />
Dept. Pathology, Shiga Univ. Med. Sci. (HS)<br />
Dept. Pathology, National Cancer Center Hosp., Japan<br />
Recently, HER2/neu becomes a molecular target <strong>for</strong> treatment of gastric carcinomas with a monoclonal<br />
antibody trastuzumab. However, evaluation of HER2/neu amplification and overexpression are not<br />
easy because of their intratumoral heterogeneities that are more frequent in gastric carcinomas than in<br />
breast carcinomas. In this study, using gastric carcinomas that showed HER2/neu-amplification at<br />
least in part, we immunohistochemically analyzed heterogeneities in HER2/neu expression.<br />
This study was based on the analysis of 72 surgically resected gastric carcinoma cases (35 early and 42<br />
advanced lesions). First, fluorescence in situ hybridization (FISH) was per<strong>for</strong>med in all 77 lesions.<br />
Then, H&E and immunohistochemical stainings with the monoclonal antibodies MUC5AC, MUC6,<br />
CD10, MUC2, CDX2, HER2/neu and p53 were carried out in the HER2/neu-amplified cancers.<br />
Twelve out of 62 in<strong>for</strong>mative cancers were HER2/neu-amplified (19.4%). HER2/neu overexpression<br />
was homogeneous in 2 cancers, heterogeneous in 9 cancers and negative in 1 cancer. Seven, 5 and<br />
none of the cancers were differentiated type, mixed differentiated and undifferentiated type and<br />
undifferentiated type, respectively. The depth of invasion was the mucosa in 5 cancers, the submucosa<br />
in 1 cancer and the muscularis propria or deeper in 6 cancers. p53 overexpression was diffuse in 8<br />
cancers, focal in 1 cancer and negative in 3 cancers. Phenotype was intestinal in 5 cancers, mixed<br />
gastric and intestinal in 6 cancers and null in 1 cancer.<br />
HER2/neu-amplified gastric carcinomas often showed heterogeneous overexpression <strong>for</strong> HER2/neu<br />
(75%) and diffuse overexpression <strong>for</strong> p53 (66.7%) and did not show pure gastric phenotype or<br />
undifferentiated type in the present study.<br />
- 122 -
No. 70 (PP 3)<br />
Poorly differentiated squamous cell carcinoma of the nipple; A uniqu case <strong>for</strong><br />
marked exophytic growth, but little invasion with neuroendocrine differentiation<br />
Naoki Hosaka, Susumu Ikehara, Hakuo Takahashi<br />
Department of Pathology, Kansai Medical University-Kori Hosptal, Department of stem cell disoders,<br />
Department of Clinical Sciences and Laboratory Medicine, Kansai Medical University, Osaka, Japan<br />
A 73-year-old woman showed marked exophytic growth of a tumor (25 × 23 × 14 mm) of the nipple<br />
over a period of 2 months. Histologically, numerous tumor nodules with no apparent keratinization were<br />
observed in the exophytic lesion. The tumor cells also showed little invasion to the dermis and no<br />
metastasis to the axillary lymph nodes (LN). The tumor cells were immunohistochemically positive <strong>for</strong><br />
cytokeratins (CKs; AE1/AE3 and 34bE12), epithelial membrane antigen (EMA) and p53, but negative<br />
<strong>for</strong> Ber-EP4 and human papilloma virus (HPV). The MIB-1 index was 56%. Some tumor cells were also<br />
positive <strong>for</strong> some neuroendocrine markers, and showed some tonofilaments and neurosecretory granules<br />
in the cytoplasm under electron microscopy. We made the differential diagnosis of mammary ductal<br />
carcinoma, basal cell carcinoma (BCC), Paget’s disease, and neuroendocrine carcinoma including<br />
Merkel cell carcinoma. The final diagnosis was poorly differentiated squamous cell carcinoma (SCC)<br />
showing exophytic growth with neuroendocrine differentiation (ND) in the nipple. To our knowledge,<br />
although only five cases of Bowen’s disease have been reported in the nipple, such a unique SCC has<br />
not been reported previously.<br />
- 123 -
No. 71 (PP 4)<br />
Typing of amyloidosis by proteome analysis<br />
Masayoshi Tasaki 1, 2 , Mitsuharu Ueda 3 , Konen Obayashi 3 , Hiroyuki Hata 2 , Hirofumi Jono 3 , Genki<br />
Suenaga 1 , Su Yu 1 , Satoru Shinriki 3 , Taro Yamashita 1 , Yukio Ando 1<br />
1 Department of Neurology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto,<br />
Japan<br />
2 Department of Immunology and Hematology, Division of Health Sciences, Faculty of Life Sciences,<br />
Kumamoto University, Kumamoto, Japan.<br />
3 Department of Diagnostic Medicine, Graduate School of Medical Sciences, Kumamoto University,<br />
Kumamoto, Japan<br />
[Background]Amyloidosis is one of the protein con<strong>for</strong>mational disorders that normally soluble proteins<br />
accumulate insoluble amyloid fibrils, with the result being severe organ dysfunction. It is documented<br />
that 27 different amyloidogenic proteins. While pathologists identify the amyloid precursor protein by<br />
immunohistochemistry (IHC) using antibodies against known amyloidogenic proteins, the results may<br />
be inconclusive owing to the loss of epitope or small amounts of amyloid deposits, unknown<br />
amyloidogenic protein. In this study, we investigated the usefulness of proteomic analysis <strong>for</strong> amyloid<br />
typing.<br />
[Methods]We used <strong>for</strong>malin-fixed and paraffin-embedded (FFPE) tissue sections <strong>for</strong> identifying<br />
amyloid precursor protein in amyloid-laden specimen using LC-MS/ MS. We attempted retrospective<br />
analysis of 20 amyloid-laden specimens (AL, FAP, SSA AA and DRA) to detect amyloidogenic protein.<br />
There<strong>for</strong>e, we analyzed amyloid precursor protein of 9 amyloid specimens including cases unidentified<br />
by IHC in a prospective study.<br />
[Result] In the retrospective study, we detected amyloidogenic protein from FFPE materials in some<br />
type of amyloid using LC-MS/ MS. The concordance rate with IHC was 95% (19/ 20). There<strong>for</strong>e, in<br />
cases IHC was difficult to determine, we also identified amyloidogenic protein in a prospective study.<br />
[Conclusion] LC-MS/ MS have a potential tool to identify amyloidgenic protein from FFPE tissue. This<br />
method is useful <strong>for</strong> diagnosis of amyloidosis, even cases that are difficult to diagnose by IHC and in<br />
rare cases of amyloidosis.<br />
- 124 -
No. 72 (PP 5)<br />
The morphological change after molecular targeting therapy of malignant brain<br />
tumor<br />
Tatsuo Sawada 1 , Yoshinori Takekawa 2 , Saori Okamoto 3 , Takashi Maruyama 3 , and Noriyuki<br />
Shibata 1<br />
1 Department of Pathology, Tokyo Women’s Medical University<br />
2 Department of Neurosurgery Tokyo Women’s Medical University<br />
3 Department of Surgical Pathology Yokosuka Municipal Hospital, Japan<br />
(Background) The molecular targeting agents that are currently available <strong>for</strong> various malignant<br />
neoplasms. The effects of molecular targeting agents are divided into two subgroups, oncogene<br />
addiction (OA) and non-oncogene addiction (NOA). Bevacizumab, anti-vascular endothelial growth<br />
factor antibody is one of major agents of non-oncogenic addition although the therapy is permitted only<br />
experimentally in Japan. Malignant glioma, especially, glioblastoma (GB), and highly vascularized brain<br />
tumors are thought to be the one of the attractive targets <strong>for</strong> anti-angiogenic therapies. To elucidate<br />
morphological changes of tumor after NOD therapy is important to evaluate the effects of the drug. So<br />
we examined the morphological change of malignant glioma after Bavacizumab therapy using 3 autopsy<br />
cases.<br />
(Materials and Methods) Three cases in men were used. The range of age is from 37 to 64yrs. These 3<br />
cases received Bemacizumab therapy, and radiation therapies were combined. The microscopic slides of<br />
surgical resected and autopsied specimen were compared using HE and immunohistochemistry (IHC)<br />
<strong>for</strong> vascular endothelial growth factor, EGF A and C, vascular endothelial growth factor receptor, Fltand<br />
Flk-1, platelet derived growth factor (PDGF), CD31, CD34, smooth muscle cell actin (SMA) and<br />
aquaporin 1 and 4. And 5 cases of GB are examined <strong>for</strong> control.<br />
(Results) No significant change of morphology of tumor cells is identified after Bevacizumab therapy,<br />
but the morphology of neovasculature is different from conventional GB. A few glomeruloid<br />
appearances and hyperplasia of SMA positive cells are identified. On IHC, the reactivity <strong>for</strong> VEGF A<br />
was decreased but VEGF-C and Flt-1 were preserved.<br />
(Conclusion) The morphological difference between with and without administration of Bemasizumab<br />
in neovasculature suggests decreased expression of VEGF-A.<br />
- 125 -
No. 73 (PP 6)<br />
Clinicopathological analysis of asbestos-related diseases presenting asbestos bodies<br />
in routine cytology specimens<br />
Makihara K 1) , Kanazawa S 1) , Yoshida T 1) , Sosogi A 1) , Matsuki Y 2) , Shimajiri S 3) , Yamasaki K 4) ,<br />
Hamada T 1)<br />
1) Dept. Surgical Pathology and Asbestos Disease Center, Kyushu Rosai Hospital,<br />
2) Dept. Surgical Pathology, Ootemachi Hospital,<br />
3) Dept. Surgical Pathology, Univ. Occupational and Environmental Health, Japan<br />
4) Dept. Respiratory Medicine, Univ. Occupational and Environmental Health , Japan<br />
In Japan, asbestos-related diseases are predicted to increase in number within a few decades probably<br />
due to the retarded political and legal acts <strong>for</strong> protection from the toxicity of asbestos fibers (AF).<br />
Asbestos body (AB) is rarely encountered in the cytology smears particularly of routine specimens even<br />
in the patient presenting asbestos-related respiratory symptoms. In our surgical pathology file, ABs<br />
could be detected in 5 cases out of 1253 cases (0.40%), 2496 specimens in which cytological<br />
examinations were per<strong>for</strong>med in respiratory specimens. The smears included the specimens of sputum,<br />
bronchial brushing, bronchoalveolar lavage (BAL), bronchial aspirate and tissue-imprint. All patients<br />
were 58 to 72 (mean: 67.0) years-old Japanese male. Among the 5 cases, ABs were identified in the<br />
smears of sputum (1/5, 20%), BAL (3/5, 60%), and tissue-imprint (1/5, 20%). A large number of ABs<br />
were found in one case (case #1) who died due to respiratory failure by asbestosis and submit autopsy<br />
(case report presented in the 59 th National Congress of JSLM). Briefly, he had the history of<br />
occupational asbestos-exposure <strong>for</strong> 13 years. Over 100 asbestos bodies were counted in one H&E<br />
sections of the lung in histological examination. Case #2 was histologically diagnosed as<br />
pneumoconiosis after cytological identification of AB in BAL fluid. Case #3 was pulmonary nodular<br />
amyloidosis and AB was incidentally noticed in the BAL smears. In the case #4, BAL was per<strong>for</strong>med<br />
<strong>for</strong> the examination of interstitial pneumonia associated with rheumatoid arthritis, and AB was<br />
cytologically observed in the fluid. In another case #5, AB was found in the tissue-imprint smears of the<br />
lung of VATS specimens resected <strong>for</strong> metastatic tumor from rectal cancer. Tissue specimens were<br />
obtained in the cases #1 and #5 in which analyses of AB and AF will be carried out after extraction from<br />
<strong>for</strong>malin fixed or paraffin embedded tissues.<br />
- 126 -
No. 74 (PP 7)<br />
Neuropathological findings in a case of amyotrophic lateral sclerosis resembling<br />
CIDP<br />
Masaru Yoshioka (1), Hidehiko Konno (1), Toshiaki Takahashi (1), Hiroyasu Tanaka (1), Hiroshi<br />
Onodera (1), Maki Tateyama (2)<br />
(1) Department of Neurology, National Hospital Organization Nishitaga Hospital<br />
(2) Department of Neurology, Tohoku University School of Medicine, Japan<br />
Aim: We present a case fulfilling diagnostic criteria of chronic inflammatory demyelinating<br />
polyradiculoneuropathy (CIDP) with a progressive course refractory to immunosuppressive therapy, and<br />
showing autopsy findings indicative of amyotrophic lateral sclerosis.<br />
Methods: A clinicopathological case report.<br />
Results: A patient, 62 year-old male, developed motor weakness, muscle atrophy, and sensory deficits in<br />
both upper and lower limbs in a progressive course. On examinations, cerebrospinal fluid showed<br />
protein-cellular dissociation, neurophysiological studies revealed reduced motor and sensory nerve<br />
conduction velocities with prolonged distal latencies in multiple nerves. Biopsy of sural nerve showed<br />
segmental demyelination in teased fibers, fulfilling diagnostic criteria of definite CIDP. Systemic motor<br />
weakness and muscle atrophy progressed after repeated intravenous immunoglobulin infusions and<br />
steroid pulse therapies. Patient died of respiratory failure after the disease duration of 3 years and 5<br />
months. Autopsy revealed diffuse loss of myelinated fibers in anterior and posterior roots. Cellular loss<br />
of posterior root ganglia was observed as well. Sciatic nerve showed demyelination and perineurial<br />
edema. Anterior horn cells were massively reduced and pallor of lateral columns was found along the<br />
whole levels of spinal cord. Iliopsoas muscle and diaphragm exhibited marked neurogenic atrophy.<br />
Some brainstem nuclei showed neuronal loss.<br />
Conclusions: The present case suggests that an association of amyotrophic lateral sclerosis may be a<br />
factor <strong>for</strong><br />
therapeutic refractoriness in some patients with polyneuropathy resembling CIDP. Causal relationship<br />
between demyelinating neuropathy and loss of anterior horn cells is uncertain.<br />
- 127 -
No. 75 (PMB 1)<br />
Synthesis of cDNA and Detection of Gene Fragment of Protein Disulfide Isomerase<br />
Family a Member 4 (PDIA4) in Bone Marrow Cell<br />
Stefanus Lembar<br />
Atma Jaya Medical Faculty Indonesia<br />
Background: Protein disulfide isomerase (PDI) is a member of the thioredoxin super-family that<br />
present in the endoplasmic reticulum (ER) in eukaryotic cells. PDI catalyzes of disulfide bond <strong>for</strong>mation,<br />
reduction, or isomerization of newly synthesized proteins in the lumen of the ER. PDI confers resistance<br />
to apoptosis under hypoxic conditions. Hypoxia is physiologically very important in the mechanism of<br />
ER stress. Several clinical studies indicate that tumor hypoxia predicts the decline of local control,<br />
increased distance metastasis, and decreased survival of tumor cells. PDIA4 or also known as ERp72 is<br />
a PDI family member that expressed on bone marrow cells and mammary gland. Low expression of<br />
PDIA4 as a result of ER stress on the condition of hypoxia may play a role in the process of tumor<br />
metastasis. There<strong>for</strong>e, detection and amplification of PDIA4 gene needs to be done to study the<br />
mechanism and changes in sequences of PDIA4 that may contribute to tumor metastasis.<br />
Objective: To synthesize of cDNA and detection of PDIA4 gene fragment in bone marrow cell.<br />
Methods: cDNA was synthesized from bone marrow cell total RNA by RT-PCR using a commercial kit.<br />
Qualitative and quantitative analysis of cDNA per<strong>for</strong>med using the NanoDrop. Detection of PDIA4<br />
gene fragment by cDNA amplification using conventional PCR. PCR products visualized using 1 %<br />
agarose gel electrophoresis.<br />
Results: Quantitative analysis of cDNA showed that the cDNA has a concentration of 383 ng/μL.<br />
Amplification of cDNA with primers F-full mPdia4 and R-full mPdia4 successfully carried out with the<br />
primers concentration of 100 nM and annealing temperature of 50 °C. PCR products were demonstrated<br />
by visualization of DNA bands on agaorse gel electrophoresis with a size of about 1925 bp.<br />
Conclusion: cDNA have been successfully synthesized from bone marrow cell total RNA and amplified.<br />
Furthermore, DNA sequencing will be conducted to verify the suitability of the PDIA4 gene fragment<br />
sequences.<br />
- 128 -
No. 76 (PMB 2)<br />
Diagnostic strategies lynch syndrome - role of immunohistochemistry and germline<br />
mutation screening -<br />
Mohd Nizam Zahary 1 , Gurjeet Kaur 2 , Muhammad Radzi Abu Hassan 3 , Ahmad Shanwani Mohd<br />
Sidek 4 , Harjinder Singh 5 , Sharifah Emilia Tuan Shariff 6 , Ravindran Ankathil 1 .<br />
1<br />
Human Genome Centre, School of Medical Sciences, Universiti Sains Malaysia Health Campus,<br />
Kubang Kerian, Kelantan, 2 Institute For Research in Molecular Medicine, Universiti Sains Malaysia,<br />
3 4<br />
Internal Medicine Department, Hospital Alor Setar, Kedah, Surgery Department, Hospital Raja<br />
Perempuan Zainab II, Kota Bharu, Kelantan, 5 Department of Medicine, Hospital Queen Elizabeth, Kota<br />
Kinabalu, Sabah, 6 Department of Pathology, School of Medical Sciences, Universiti Sains Malaysia<br />
Health Campus, Kubang Kerian, Kelantan, Malaysia<br />
Lynch syndrome, caused by a germline mutation in a mismatch repair gene and associated with tumors<br />
exhibiting microsatellite instability (MSI), is characterized by an increased risk of colon and<br />
extracolonic cancers. Evaluation of MSI through immunohistochemistry of the 4 MMR proteins<br />
followed by molecular genetic testing is necessary <strong>for</strong> accurate diagnosis of Lynch syndrome. We<br />
identified 47 patients with suspected Lynch syndrome <strong>for</strong> whom we aimed to analyze the protein<br />
expression profile of MMR protein, MLH1, MSH2, MSH6 and PMS2 using immunohistochemistry and<br />
to screen <strong>for</strong> germline mutations in MLH1, MSH2, MSH6 and PMS2 gene. MMR protein expression was<br />
immunohistochemically analyzed on paraffin blocks of resected colorectal specimens. DNA extracted<br />
from blood were screened <strong>for</strong> germline mutations in 19 exons of MLH1, 16 exons of MSH2, 10 exons of<br />
MSH6 and 15 exons of PMS2 gene using dHPLC and followed by DNA sequencing. Absent expression<br />
of any MMR protein was observed in 14/47 patients (29.8%). Germline mutation of MLH1 gene was<br />
identified in 2/47 patients (4.2%) consisted of c.1851_1853delGAA (Lys618del) but MLH1 promoter<br />
polymorphism -93G>A was frequently identified (32/47, 68%). Germline mutation in MSH2 gene was<br />
identified in 6/47 patients (12.8%) consisted of a novel mutation, c.2005G>C (Gly669Arg), c.142G>T<br />
(Glu48Stop), c.2701G>A (Glu901Lys) and splice-site mutation, c.2006-6T>C which was adjacent to the<br />
exon 13 of MSH2 gene. Germline mutation of MSH6 was also identified in 1/47 patients consisted of a<br />
novel mutation, c.3885_3891delTAAAAGC (Lys1296MetfsX29) and mutation in PMS2 gene was<br />
identified in 2/47 (4.2%) patients namely c.59G>A (Arg20Gln), c.1408C>T (Pro470Ser), c.1454C>A<br />
(Thr485Lys), c.1621A>G (Lys541Glu) and c.2324A>G (Asp775Ser). Immunohistochemistry proved to<br />
be a good pre-screening tool be<strong>for</strong>e germline mutation analysis of MMR genes. Immunohistochemical<br />
profiling of protein expression and germline mutation screening of MMR genes together are important<br />
in differential diagnosis of Lynch syndrome from familial colorectal cancer.<br />
- 129 -
No. 77 (PMB 3)<br />
Corneodesmosin (MHC S) Gene Polymorphism in Mongolian Psoriasis Patients<br />
Ch.Tserendulam 1,3 , B.Munkbat 1,2 , M.Tomizawa 2 , G.Oyungerel 1 , G.Tamiya 2 , Sh.Myagmarjav 4<br />
H.Inoko 2 , N.Munkhtuvshin 1<br />
1<br />
Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
2<br />
Depart. Molecular Life Science, Tokai Uni. School of Medicine, Isehara, Kanagawa, Japan<br />
3<br />
Jargalan Hospital Laboratory, Khuvsgul, Mongolia<br />
4<br />
Nat’l Center <strong>for</strong> Dermatology and Mycology, Ulaanbaatar, Mongolia<br />
Objectives: The aim of this study was to examine the potential pathogenic linkage of the MHC S gene<br />
polymorphism in a Mongolian psoriasis population, known to have very strong association between<br />
psoriasis vulgaris and the HLA – Cw6 allele. Eight SNP in the MHC S gene at positions +614, +619,<br />
+1118, +1215, +1236, +1240, and +1372 were analyzed by direct sequencing.<br />
Materials and Methods: A total of 101 unrelated Mongolian patients (50 male,51 female) with<br />
psoriasis vulgaris (PV), hospitalized at the Nat’l Centre <strong>for</strong> Dermatology and Mycology, UB, Mongolia<br />
and 117 healthy controls were investigated in this study. Genomic DNA were prepared from the freshly<br />
collected peripheral blood using DnaQuick II kit. The PCR amplifications were carried out in a<br />
GeneAmp PCR system 9700 thermal cycler (PE Applied Biosystems). DNA sequencing of the amplified<br />
PCR products was per<strong>for</strong>med on the ABI Prism ® 3700 DNA Analyzer.<br />
Results: We have found a strong association between Mongolian psoriasis and a nucleotide substitution<br />
at position +1236, which result in amino acid exchange Ala351Ser. The observed homozygotes <strong>for</strong> the<br />
more common allele T (Ser) at +1236 was significantly higher (ORHOM = 2.775, Pc
No. 78 (PMB 4)<br />
Study of essential oil <strong>for</strong> anti-allergy effect in murine asthma model<br />
Tomoe Ueno Iio, Misako Shibakura, Michinori Aoe, Tomoko Hyoda, Mihoko Kohara, Naohisa<br />
Nakagawa, Takako Nakahara, Mikio Kataoka.<br />
Graduate School of Health Sciences, Okayama University., Japan<br />
Background: The essential oils are used <strong>for</strong> aromatherapy classified into alternative medicine.<br />
However, there are few evidences of the action mechanism of essential oil <strong>for</strong> the body. To elucidate<br />
the possibility of the prevention of an allergic disease by the aromatherapy, we investigated the effects<br />
of essential oil using murine asthma model.<br />
Methods: Female BALB/c mice of 8-9 weeks were divided into a control mice (A), an asthma mice (B),<br />
the essential oil (Lavandula angustifolia) treated-asthmatic mice (C) and (D). To make asthma mice, B,<br />
C, and D were sensitized by intraperitoneal injection of Ovalbumin (OVA) at day 0 and 14, and<br />
challenged via airways with OVA on Days 28, 29, 30. After 48 to 72 hours later of last OVA challenge,<br />
airway resistances were assessed. The cell numbers, cytokine levels in BAL fluid, and serum<br />
OVA-specific IgE levels were measured. The mucus-containing cells were counted in periodic<br />
acid-Schiff (PAS) stained sections. For C and D, 5 µl and 20 µl of essential oil were applied <strong>for</strong> 20<br />
min from day 14, 5days of week.<br />
Results: The airway resistance significantly increased in B, C and D. The total cell numbers were<br />
significantly reduced in C and D compared with B. The eosinophil numbers were significantly<br />
reduced in D compared with B. IL-13 levels in BAL fluid were significantly reduced in group D<br />
compared with group B. The serum IgE levels were increased in each group except <strong>for</strong> A. There<br />
were significant reductions of the PAS positive cells in C and D compared with B.<br />
Conclusion: Treatment with Lavender essential oil of asthma mice decreased the number of total cells<br />
and eosinophils, IL-13 levels in BALF, and bronchoalveolar PAS positive cells. These results are<br />
indicating that aromatherapy may have possibility to be used <strong>for</strong> prevention of allergic inflammation,<br />
such as asthma.<br />
- 131 -
No. 79 (PMB 5)<br />
TGF-β-neutralization enhances cytarabine-induced apoptosis in AML cells in the<br />
bone marrow microenvironment<br />
Yoko Tabe 1,2 , Linhua Jin 1 , Yasuhito Hatanaka 1 , Takashi Miida 1 , Michael Andreeff 2 , Marina<br />
Konopleva 2<br />
1, Department of Clinical Laboratory Medicine, Juntendo University School of Medicine, Tokyo, Japan<br />
2, Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, Texas,<br />
USA<br />
Aim: Hypoxia and interactions with bone marrow mesenchymal stromal cells (MSC) have emerged as<br />
essential components of the leukemic microenvironment in promoting leukemia cell survival. High<br />
levels of trans<strong>for</strong>ming growth factor beta 1 (TGF-β1) produced by stromal cells regulate cell<br />
proliferation, survival, and apoptosis, depending on the cellular context. In this study, we investigated<br />
the anti-leukemic effects and molecular mechanisms of action of TGF-β neutralizing antibody 1D11<br />
under hypoxic conditions. We further investigated the anti-leukemic efficacy of 1D11 combined with<br />
CXCR4 antagonist plerixa<strong>for</strong> in the in vivo leukemia models.<br />
Design and Methods: The antileukemic effects and molecular mechanisms of action of monoclonal<br />
pan-TGF-β-neutralizing antibody 1D11 were determined utilizing flow cytometry, western blot, qPCR,<br />
and siRNA technology. The in vivo efficacy of 1D11 combined with CXCR4 antagonist Plerixa<strong>for</strong> was<br />
investigated in the Baf3/ITD model.<br />
Results: RhTGF-b1 induced accumulation of acute myeloid leukemia (AML) cells in a quiescent G0<br />
state under MSC co-culture conditions, which was abrogated by 1D11. TGF-β1 upregulated p21<br />
expression and the TGF-β target leukemia inhibitory factor (LIF) gene in AML cells which in turn<br />
promoted pro-survival phosphorylation of Stat3. 1D11 blocked these effects and enhanced<br />
Ara-C-induced apoptosis of AML cells in hypoxic and in normoxic conditions. Treatment with 1D11<br />
combined with Plerixa<strong>for</strong> and Ara-C decreased leukemia burden in an in vivo leukemia model.<br />
Conclusions: Blockade of TGF-β by 1D11 and abrogation of CXCL12/CXCR4 signaling may enhance<br />
the efficacy of chemotherapy against AML cells in the hypoxic BM microenvironment.<br />
- 132 -
No. 80 (PMB 6)<br />
Introduction of HCV Quantification as a Diagnostic Tool in Mongolia: Significance<br />
and Lessons Learned<br />
Batmunkh Sayabold 1 , Nemekhbaatar Lkhaasuren 2 , Jazag Amarsanaa 1,5 , Jigjidsuren Chinburen 1,3 ,<br />
Oidov Baatarkhuu 1,2 , Byambaa Suvd 1 , Tseveg Tsogtkhishig 2 , Bira Tsatsralt-Od 1,4 , Batmunkh<br />
Munkhbat 5<br />
1) Mongolian Association <strong>for</strong> the Study of Liver Diseases, Mongolia; 2) Health Sciences University of<br />
Mongolia, Mongolia; 3) National Cancer Center, Mongolia; 4) National Center of Communicable<br />
Diseases, Mongolia; 5) Institute of Medical Sciences, Mongolia<br />
Background: The 17% of Mongolian population is infected with HCV, which makes the country one of<br />
the top HCV infected countries in the world. Though HCV quantification method was developed almost<br />
a decade ago, it was first introduced in Mongolia only in 2009.<br />
Methods: Total of HCV 212 patients were enrolled in the study. HCV quantification was per<strong>for</strong>med at<br />
Happy Veritas clinical laboratory by Taqman real-time PCR method using ABI7000 from Applied<br />
Bio-systems, USA. Commercially available HCV quantification kit was used. Anti-HCV was purchased<br />
from ACON laboratories, USA.<br />
Results: Out of 212 patients who had HCV quantified, 35 were also checked <strong>for</strong> HCV antibody. Patients<br />
were divided in high viral load>2 million HCV copies/ml, and low-intermediate
No. 81 (PMB 7)<br />
Development of Thermostabilised MultiplexPCR For Detection of Salmonella<br />
Enteritidis and Vancomycin-Resistant enterococci (VRE)<br />
Tan Ka Liong a , Chan Yean Yean b<br />
a Department of pharmacology, b Department of microbiology and parasitology, School of Medical<br />
Sciences, Universiti Sains Malaysia, Malaysia<br />
Background: Enterococcus spp. is one of prominent nosocomial pathogens that cause clinical<br />
infections. CDC has reported a remarkable increase in the occurrence of vancomycin-resistant<br />
enterococci (VRE) in hospitals. VRE and SalmonellaEnteritidis (SE) have been reported in poultry<br />
samples and transmission to human. We aim to develop a thermostabilized multiplex PCR, a<br />
DNA-based cold chain free test <strong>for</strong> identification of VRE and SE.<br />
Methods: VRE Multiplex PCR that detects 6 genes simultaneously was developed in previous study.<br />
The Salmonella Enteritidis virulence gene detection was incorporated. Several conditions (e.g.<br />
annealing temperature, premix buffer selection, concentration of Taq polymerase and concentration of<br />
enzyme stabilizer) of PCR were optimized.<br />
Results: In multiplex PCR, optimum annealing temperature of 64.8oC and commercial premix C buffer<br />
<strong>for</strong> PCR reaction were determined. 75% of Taq polymerase and 3% enzyme stabilizer appeared to be<br />
optimum in thermostabilized multiplex PCR.<br />
Conclusion: The DNA based method was successfully optimized. This detection can be used to<br />
facilitate surveillance in poultry and human samples.<br />
- 134 -
No. 82 (PMB 8)<br />
Analysis of Fas exon 6 splicing and gene expression of transcription factors in<br />
various human organs and lymphocyte subsets<br />
Ryo Uozumi 1 , Hitoshi Shibuya 1 , Akio Shigematsu 1 , Kazuhiko Matsuno 1 , Chikara Shimizu 1 ,<br />
Seiichi Kobayashi 2 .<br />
1 Department of Clinical Laboratory, Support of Clinical Practice, Hokkaido University Hospital,<br />
2 Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Japan<br />
Exclusion of Fas gene exon 6 by alternative splicing of the primary RNA transcript of the<br />
apoptosis-inducing Fas gene produces a soluble iso<strong>for</strong>m. The membrane Fas (mFas) iso<strong>for</strong>m induces<br />
apoptosis, while the soluble Fas (sFas) iso<strong>for</strong>m prevents apoptosis. Serum levels of sFas in patients with<br />
some autoimmune diseases and with cancer are higher than healthy individuals, and clinically correlate<br />
with disease activity or tumor mass size. However, the regulatory mechanism <strong>for</strong> Fas gene splicing<br />
remains unknown. Several pre-mRNA splicing regulators <strong>for</strong> Fas gene were reported, but these studies<br />
only targeted extrinsic Fas minigene introduced into cell lines. Here, by quantitative real-time RT-PCR<br />
analysis, we have investigated whether candidates of transcription factors including Hu antigen R<br />
(HuR), T-cell intracellular antigen 1 (TIA-1) and TIA-1 related proteins (TIAR) actually regulate<br />
intrinsic Fas gene splicing in various human organs and lymphocyte subsets. Each gene expression<br />
was different in organs, but there was a poor correlation in gene expression between Fas and<br />
transcription factors. We next analyzed<br />
gene expression by CD45RA+ or CD45RO+ peripheral lymphocytes from healthy donors. Although<br />
sFas and mFas gene expression by these subsets were significantly different, no correlation between<br />
Fas, HuR, and (TIA-1+TIAR) gene expression was obtained. These results suggested that transcription<br />
factors reported should not necessarily function as regulators <strong>for</strong> intrinsic Fas gene splicing.<br />
- 135 -
No. 83 (PMB 9)<br />
The genetic basis of Congenital Hyperinsulinism in Japan<br />
Kumiko Ohkubo 1)2) , Mariko Nagashima 1) , Tomoe Matsuzaki 2) , Makiko Yuki 2) , Hironobu<br />
Kawashima 2) , Akira Matsunaga 1)2)<br />
1) Department of Laboratory Medicine, Faculty of Medicine, Fukuoka University, Japan<br />
2) Department of Clinical Laboratory, Fukuoka University Hospital, Japan<br />
Objective Congenital Hyperinsulinism (CHI) is a disorder of glucose metabolism by dysregulated<br />
secretion of insulin from pancreatic β-cells. This disease is associated with mutations of ABCC8 and<br />
KCNJ11, which are genes of two subunits of the pancreatic β-cell ATP sensitive potassium channel.<br />
Patients and Methods In 31 Japanese CHI patients, all exons of ABCC8 and KCNJ11 were analyzed by<br />
PCR and direct sequencing. Multiplex Ligation-dependent Probe Amplification (MLPA) was also<br />
applied to analysis of copy numbers in the region of ABCC8.<br />
Results We found mutations in 22 patients out of 31 patients. The 19 patients showed mutations in<br />
ABCC8 and 3 patients showed those in KCNJ11. The mutations of ABCC8 in 19 patients contained 7<br />
nonsense mutations, 8 missense mutations, 3 aberrant-splicing mutations and 1 one base deletion<br />
mutation. These mutations distributed broad in ABCC8, although some missense mutations existed<br />
around two nucleotide-binding domains and membrane domains. The mutations of KCNJ11 in 3<br />
patients contained 2 missense mutations, and each one of one base deletion and two base deletion<br />
mutations. One patient having KCNJ11 mutation was a compound heterozygote of missense and one<br />
base deletion mutations. All of the patients having missense mutations in ABCC8 were heterozygotes<br />
and responsive to diazoxide or octreotide to inhibit insulin secretion except one patient, who needed<br />
operation. All of the patients showing nonsense mutations in ABCC8 underwent a subtotal or partial<br />
pancreatectomy to control blood glucose levels. The homozyotes of ABCC8 mutations or the compound<br />
heterozygotes of KCNJ11 mutations also had operations. Analysis by MLPA showed no abnormal<br />
results of copy numbers in ABCC8.<br />
Conclusion The 23 kinds of mutations reported in this study could be pathological candidates <strong>for</strong> CHI<br />
in Japan. The genetic diagnosis <strong>for</strong> these mutations might be applicable <strong>for</strong> prediction of prognosis and<br />
improvement of management in CHI patients.<br />
- 136 -
No. 84 (PMB 10)<br />
A rapid and automated detection system <strong>for</strong> BRAF mutations in malignant<br />
melanoma<br />
Masaru Ide, Shinichi Koba, Yumi Nagano, Naoko Aragane-Sueoka, Akemi Sato, Takuya Inoue,<br />
Naomi Kobayashi, Noriyuki Misago, Yutaka Narisawa, Shinya Kimura and Eisaburo Sueoka<br />
Faculty of Medicine, Saga University, Japan<br />
BRAF gene mutations have been reported in 30-50% of malignant melanoma patients. Because of the<br />
difficulty of early diagnosis of the disease, poor prognosis was observed in far advanced melanoma<br />
patients. However, recent development of therapeutic intervention using BRAF inhibitors showed<br />
improved prognosis of such patients. There<strong>for</strong>e, an accurate and rapid detection system <strong>for</strong> BRAF<br />
mutations is desired. In addition, the clinical characteristics of the melanoma associated with BRAF<br />
mutations in Japanese patients have not been investigated on a large scale evaluation. We recently<br />
established quenching probe system (QP) <strong>for</strong> detection of an activating BRAF mutation V600E, and<br />
evaluated 113 melanoma samples diagnosed in Saga University Hospital from 1982 to 2011. The QP<br />
system includes fully automated genotyping, based on analysis of the probe DNA melting curve, which<br />
binds the target mutated sites using a fluorescent guanine quenched probe. BRAF mutations were<br />
detected in 54 of 115 (47%) including 51 of V600E and 3 of V600K in Japanese melanoma cases.<br />
Among clinical subtypes of melanoma, nodular melanoma showed high frequency (12 of 15; 80%) of<br />
the mutation followed by superficial spreading melanoma (13 of 26; 50%). Clinical stages and sex<br />
difference were not associated with mutation frequency and mutation sites. The QP system is a simple<br />
and sensitive method to determine BRAF V600E mutation, and will be useful tool <strong>for</strong> patient-oriented<br />
therapy with BRAF inhibitors.<br />
- 137 -
No. 85 (PMB 11)<br />
Detection of Mycobacterium kansasii using amplicons generated by the COBAS<br />
TaqMan 48 Analyzer<br />
Arizumi Kikuchi 1 , Yuko Wakayama 1 , Takahiro Sawamura 1 , Satsuki Nakamura 2 , Shu Taga 2 , Yuji<br />
Itoh 2 , Takeshi Seki 2 , Hiroya Sakuma 1,2 , Osami Daimaru 1,2 , Takeo Nakakita 1,2 , Shinichi Itoh 3<br />
1 Daiyukai Second Medical and Science Research Laboratories, 2 Daiyukai General Hospital, 3 Daiyukai<br />
First Hospital, Ichinomiya, Aichi, Japan<br />
Mycobacterium detection using genetic techniques are rapid tests that are mainly based on nucleic acid<br />
amplification. Many laboratories in Japan use the COBAS TaqMan 48 Analyzer (Roche Diagnostics), a<br />
real-time PCR-based system that uses TaqMan hydrolysis probes. This system is efficient and easy to<br />
use and has good sensitivity and specificity. However, this system can only detect the M. tuberculosis<br />
and M. avium complex among mycobacteria. We examined methods to detect M. kansasii using the<br />
amplicon generated by the COBAS TaqMan 48 Analyzer by real-time PCR using a hydrolysis probe.<br />
We used the type strains of 7 mycobacterial species: M. avium, M. <strong>for</strong>tuitum, M. gastri, M. intracellular,<br />
M. kansasii, M. marinum, and M. tuberculosis. We extracted the total nucleic acids from these type<br />
strains and per<strong>for</strong>med the COBAS TaqMan MTB Test (Roche Diagnostics) or the COBAS TaqMan<br />
MAI Test (Roche Diagnostics) on a COBAS TaqMan 48 Analyzer. After the reaction, the amplicons<br />
were cleaned using the High Pure PCR Product Purification Kit (Roche Diagnostics). The M. kansasii<br />
detection primer pair was designed from the inner sequence of 16S rRNA, which was used in the<br />
COBAS TaqMan 48 Analyzer. The detection probe used was highly specific <strong>for</strong> M. kansasii, and the<br />
locked nucleic acids were incorporated into the probe to increase specificity. Real-time PCR was<br />
per<strong>for</strong>med using Light Cycler 1.5 (Roche Diagnostics).The primer and probe <strong>for</strong> M. kansasii detection<br />
accepted the amplification of M. kansasii and M. gastri. M. kansasii lung disease shows the highest<br />
response to chemotherapy, and the method <strong>for</strong> its treatment is better established than that <strong>for</strong> other<br />
non-tuberculous mycobacterial infectious diseases. Since early and rapid detection of M. kansasii is<br />
very important, we suggested that our method can be employed to detect M. kansasii using COBAS<br />
TaqMan 48 Analyzer in routine laboratory work.<br />
- 138 -
No. 86 (PMB 12)<br />
Increased expression of mitochondrial isoenzyme of creatine kinase in<br />
hepatocellular carcinoma cells may be associated with enhanced proliferation and<br />
migration<br />
Uranbileg B., Ikeda H., Yatomi Y.<br />
Project researcher, Department of Clinical Laboratory Medicine, Graduate School of Medicine, The<br />
University of Tokyo, Japan<br />
Mitochondrial isoenzyme of creatine kinase (MtCK) has been postulated to be important <strong>for</strong> the<br />
energetics of oxidative tissues, suggesting that MtCK might play crucial role(s) in malignant<br />
trans<strong>for</strong>mation.<br />
We have recently reported the increased serum MtCK activity in patients with hepatocellular carcinoma<br />
(HCC), and suggested that MtCK could be a novel serum marker <strong>for</strong> HCC. Although we revealed the<br />
increased MtCK mRNA expression in HCC cell lines as one of its mechanisms, its significance has been<br />
largely unknown.<br />
The reduction of MtCK expression in HCC cell lines, i.e., HepG2, Alex and HuH7, by siRNA led to the<br />
decrease in cell proliferation by 31.7% in HuH7, 19.8% in HepG2, and 15.5% in Alex measured by<br />
BrdU incorporation assay. Furthermore, the reduction of MtCK expression in HepG2, Alex, HuH7<br />
caused the decrease in cell migration, maximum by 85.2% in HuH7, and cell invasiveness also reduced<br />
in all three cell lines, maximally detected in HuH7 by 92.3% which was determined by cell migration<br />
and invasion assay.<br />
Because ASB9 (Ankyrin repeat and suppressor of cytokine signaling box protein 9) was previously<br />
reported as a potential regulator of MtCK expression, its expression level in HCC cell lines was<br />
investigated. It was found that ASB9 mRNA expression in all HCC cell lines examined was much lower<br />
than that in normal liver tissue. This negative correlation between the expressions of MtCK and ASB9 in<br />
HCC cell lines may suggest that ASB9 could be a negative regulator <strong>for</strong> MtCK expression in HCC.<br />
In conclusion, the increased expression of MtCK in HCC cell lines may be associated with the enhanced<br />
proliferation, migration and invasion, which consistent with MtCK is being a serum marker <strong>for</strong> HCC.<br />
MtCK and its negative regulator, ASB9, merits consideration as a therapeutic target <strong>for</strong> HCC.<br />
- 139 -
No 87 (PO 1)<br />
Application <strong>for</strong> Diagnostic Tests of Facial Portraits by CCD Camera<br />
Kazuhiro Kabe<br />
Business Department of Medical Technology, Laboratory of Medical Technology<br />
Medic21 Association, Japan<br />
Aim : At daily clinical diagnostic tests, as it is very important to judge whose each specimen it is, we<br />
can think that it is good to photograph faces in order to discriminate individuals of test subjects. I<br />
investigated the changes by making facial portraits by a CCD Camera, by discriminating individuals and<br />
by including simple photographing systems in personal-computers to determine whether individual<br />
discrimination of judged specimens succeeds to be practicable.<br />
Materials and Methods : I per<strong>for</strong>med by joining CCD Camera with personal-computers, through<br />
softwares to take in portraits, by adjusting shades of portraits to signals, by dividing into two kinds, by<br />
letting indicate that shadowy directions were “1” and light directions were “0”, by <strong>for</strong>ming a line of both<br />
0 and 1 and by including systems that let express facial portraits by both 0 and 1 in personal-computers.<br />
Results : As a result of expressing man’s facial portraits by shades of both 0 and 1, man’s facial portraits<br />
<strong>for</strong>med a line of shades of both 0 and 1 and at both the same man and position, in comparing the first<br />
time with the second time, coincided almost closely. But when the photographing position changed,<br />
somewhat slipped out rows of both 0 and 1. And when the man also changed, somewhat slipped out<br />
rows of that.<br />
Conclusions : By using CCD Camera, individual discrimination by facial portraits seems to be well<br />
practicable. There<strong>for</strong>e, by also using cellular phones, individual discrimination seems to be well<br />
practicable. At clinical diagnostic tests, if we introduce these CCD cameras, individual discrimination of<br />
specimens seems to be effectively practicable by using that of this facial portrait.<br />
- 140 -
No 88 (PO 2)<br />
Assessment of early manifestation of anthracycline-induced cardiomyopathy in<br />
patients with preserved left ventricular ejection fraction<br />
Reiko Mizuno 1 , Shinichi Fujimoto 2 , Yasuyuki Okamoto 1<br />
1 Central Clinical Laboratory, Nara Medical University, 2 Center <strong>for</strong> <strong>Education</strong> Development, Nara<br />
Medical University, Japan<br />
Aim: Cardiac side effect of anthracycline limits its potential utility. Recent studies have reported that<br />
latent anthracycline-induced cardiomyopathy already exists even in patients with preserved left<br />
ventricular (LV) ejection fraction (EF). We investigated LV mechanical dyssynchrony in<br />
anthracycline-induced cardiomyopathy with preserved LVEF.<br />
Methods: We studied <strong>for</strong>ty-seven patients with non-Hodgkin’s lymphoma who were previously treated<br />
with anthracycline repeatedly. All patients had no history of cardiac disease and showed preserved<br />
LVEF (≥ 60%). Myocardial strain rate obtained with speckle tracking was used to assess ventricular<br />
synchrony. Time to regional peak strain rate was measured in 12 LV segments from the apical 4- and 2-<br />
chamber views and standard deviation (SD) in all 12 segments was measured as an estimate of LV<br />
dyssynchrony. Also the relationship between SD and LVEF was assessed. Thirty-eight healthy<br />
volunteers served as controls.<br />
Results: Although LVEF was preserved in all patients, it was significantly decreased compared with<br />
controls. SD of time to peak strain rate was significantly greater in patients than controls. SD was<br />
negatively correlated with LVEF in patients.<br />
Conclusion: This study suggests that LV mechanical dyssynchrony exists and causes latent LV<br />
dysfunction in patients with anthracycline-induced cardiomyopathy with preserved LVEF.<br />
- 141 -
No. 89 (PO 3)<br />
Influence of masticatory dysfunction on antioxidant capacity in rat model<br />
Maki Tanaka, Kageaki Kuribayashi, Daisuke Kobayashi, Naoki Watanabe<br />
Department of Clinical Laboratory Medicine, Sapporo Medical University School of Medicine, Japan<br />
Mastication is an essential function to maintain homeostasis of the animal. Disturbance in mastication<br />
induces physical and psychological stresses. It has been elucidated that level of free radical, such as<br />
superoxide, increases following physical and psychological stresses leading to various disorders,<br />
including cancer and gastrointestinal ulcer. In this study, we investigated whether masticatory<br />
dysfunction causes oxidative stress by changing feeding style from solid to liquid meal in rat model.<br />
Neutrophils were collected from rats fed with solid or liquid meal, respectively, and superoxide<br />
production was measured by cytochrome c reduction method. Serum superoxide dismutase activity was<br />
evaluated using electron spin resonance spin-trapping technique. As a result, level of superoxide<br />
production was higher in rats fed with liquid than solid meal. Furthermore, serum superoxide dismutase<br />
(SOD) activity was lower in the <strong>for</strong>mer group. Decrease in serum SOD activity sustained from day 21 to<br />
day 84 after meal was changed from solid to liquid meal. In rats fed with liquid meal, serum SOD<br />
activity recovered to normal level 7 days after liquid meal was reversed to solid meal. These results<br />
show that oxidative stress continues when mastication is disturbed. This study suggests that chewing<br />
harmless solid materials, such as gum, may help avoiding unnecessary oxidative stress in patients<br />
treated with liquid nutrition.<br />
- 142 -
No. 90 (PO 4)<br />
The role of Rb2/p130 and PP2A interaction in ATRA treatment induced growth<br />
arrest of ovarian carcinoma cells<br />
M.Oyundelger 1,3 , P.Enkhtsetseg 1,2 , Soprano DR 2 , Soprano KJ 2 , N.Munkhtuvshin 1<br />
1<br />
Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
2<br />
Department of Microbiology and Immunology, Temple University School of Medicine, Philadelphia,<br />
3 CEO Laboratory, Monolab Co., Ulaanbaatar, Mongolia<br />
Objectives: Further characterization of the interaction between Rb3/p130 and PP2A upon All-trans<br />
retinoic acid (ATRA) treatment as it has been shown to arrest the growth of the CAOV3 ovarian<br />
carcinoma cells in the GO/G1 phase and to elevate levels of Rb2/p130 protein, a member of the<br />
retinoblastoma family of tumor suppressors. Materials and Methods: CAOV3, was obtained from<br />
theAmerican Culture Collection (Rock-ville, MD), Anti-PP2Ac, Anti-Rb2/p130, Antiactin, Anti-His<br />
antibodies were purchased from Santa Cruz Biotechnology (CA), The phosphatase inhibitor okadaic<br />
acid (OA) was purchased from Sigma Life Sciences (Atlanta, GA). Endothall, a specific PP2A inhibitor,<br />
was purchased from Calbiochem (La Jolla, CA). ATRA was obtained from Hoffman La Roche (Nutley,<br />
NJ). Western blotting and immunoprecipitation, Phosphatase assay, Cloning and truncation,<br />
Muta-genesis, Generation of CAOV3 cells were per<strong>for</strong>med as described by Soprano DR et all. 2006).<br />
Results: ATRA treatment leads to hypophosphorylation of PP2Ac, which correlates with increased<br />
PP2A, a serine/threonine phosphate, and binds and dephosphorylates Rb2/p130 in the cell. We observed<br />
that the N-terminus of PP2A catalytic subunit (PP2Ac) interacts with nuclear localization signals (NLS)<br />
in the C-terminus of Rb2/p130. PP2Ac methylation is also increased following ATRA treatment and<br />
PP2A methylating-enzyme (PMT) transcript levels are elevated as early as 6 hrs following ATRA<br />
treatment. Immunoprecipitation studies reveal that PP2A and Rb2/p130 interact with importin β and<br />
importin α, members of the nuclear transport machinery. Importin α recognizes a nuclear localization<br />
signal (NLS) on a target protein and importin β binds the nuclear pore complex. CAOV3 cells<br />
transfected with a truncated C-terminus region of Rb2/p130 in which the NLSs were mutated, no<br />
interaction with PP2A was observed and these cells were as sensitive to ATRA treatment as parental<br />
CAOV3 cells. This suggests that Rb2/p130 interaction with PP2A is required <strong>for</strong> the induction of cell<br />
cycle arrest in ATRA treated cells. Conclusions: The results suggest that ATRA treatment leads to a<br />
variety of responses that promote cell cycle arrest in ATRA sensitive COAV3 cells, including the<br />
activation of a key phosphatase, PP2A, which enhances the stability and nuclear location of a tumor<br />
suppressor protein, Rb2/p130.<br />
- 143 -
No. 91 (PO 5)<br />
Genome-wide association analysis with selective genotyping identifies candidate loci<br />
<strong>for</strong> adult height at 8q21.13 and 15q22.33-q23 in Mongolians.<br />
M.Enkhdelger 1,3 , T.Kimura 2 , T.Kobayashi 2 , B.Munkhbat 1,2 , G. Oyungerel 1 , H. Hayashi 2 A.Oka 2 , I.<br />
Inoue 2 , H.Inoko 2 , N.Munkhtuvshin 1<br />
1<br />
Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
2<br />
Department of Molecular Life Science, Tokai University School of Medicine, Isehara, Kanagawa,<br />
Japan<br />
3 CEO Laboratory, Monolab Co., Ulaanbaatar Mongolia<br />
Material and methods: A total of 1,555 unrelated individuals of Khalkh-Mongolian origin from the<br />
region of Ulaanbaatar, Mongolia participated in the study. Four DNA pools were prepared. The first set<br />
was DNA pools of 125 male-tall, 125 male-short, 125 female-tall, and 125 female-short samples. A<br />
second set was also grouped from another 125 male- and female-tall samples and 125 male- and<br />
female-short samples. All microsatellite markers and methods <strong>for</strong> microsatellite genotyping used in this<br />
study are described by Tamiya et al. (2005).<br />
Results: We per<strong>for</strong>med a genome-wide association study with 23,465 microsatellite markers <strong>for</strong><br />
detection of loci controlling adult height using the selective genotyping method. To reduce cost and<br />
technical burden of genome-wide genotyping, the pooled DNA method was applied. Association results<br />
with the pooled DNA method and following re-genotyping of individual DNAs using the same set of<br />
1,000 screened individuals, 23 markers showed significant differences by Fisher’s exact test. These<br />
markers were subjected to correction of multiple tests with the number of alleles, and nine<br />
microsatellites remained significant. We detected significant association in chromosomes 3, 4, 8, 15,<br />
and 17. In addition, five regions overlapped at least partially with loci previously reported by linkage<br />
analysis (5q31, 6q25, 8q21.3, 8q21.13, and 21q21.1). We also detected six strongly associated regions,<br />
4q13.2, 4q31.3, 5q21.3, 7p21.1, 7q11.22, and 19q13.2, which have not been reported be<strong>for</strong>e. Among the<br />
nine most associated markers, we selected two: D8S0285i and D15S988, the most strongly associated<br />
microsatellite, located at 8q21.13, and D15S988 was flanked by a candidate gene, SMAD3, located at<br />
15q22.33. 82 SNPs were surveyed and genotyped in a total of 1,555 samples (1,000 screened samples<br />
and additional 555 samples).<br />
Conclusions: We have identified two candidate loci <strong>for</strong> adult height at 8q21.13 and 15q22.33-q23 in<br />
Mongolians. Analysis of the remaining seven highly associated microsatellite markers should lead to<br />
identification of new causative genes underlying adult height variation.<br />
- 144 -
No. 92 (PO 6)<br />
Molecular analysis of HLA polymorphism in ethnic minority of Khoton-Mongolians<br />
P.Nyamragchaa 1,3 , B.Munkhbat 1,2 , T.Sato 2 , M.Hagihara 2 , K.Sato 2 , A.Kimura 2 , K.Tsuji 2 ,<br />
N.Munkhtuvshin 1<br />
1<br />
Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
2<br />
Department of Transplantation Immunology, Tokai University, Japan<br />
3<br />
Dept. Laboratory Medicine, General Hospital, Dundgobi, Mongolia<br />
Objectives: To investigate the allelic frequencies of HLA class 1 and class II genes in ethnic minority<br />
of Khoton-Mongolians. Materials and Methods: The population studied consisted of 85 randomly<br />
selected healthy Khoton-Mongolians living in the area of Tarialan sum, of Uvs aimag, Mongolia.<br />
Results were compared with control population consisting of 41 randomly chosen healthy unrelated<br />
Khalkh-Mongolians from Ulaanbaatar, Mongolia. Allelic polymorphism in HLA-A, and HLA-B genes<br />
were investigated by the PCR-SSOP method. HLA class II genotyping <strong>for</strong> DRB1, DRB3, DRB5, DQA1,<br />
DQB1 and DPA1 genes were per<strong>for</strong>med by the PCR-SSOP method. The PCR-RFLP method was used<br />
<strong>for</strong> HLA-DPB1 genotyping. Results: Mongolia is a central Asian country with a population of 2.7<br />
million. According to the ethnological studies, over 20 ethnic groups inhabit in the territory of Mongolia.<br />
Among these, the Khalkh population is the largest majority (80% of total). In contrast, the Khoton is a<br />
very small, isolated ethnic group residing in the Uvs aimag, in northwestern Mongolia. The Khoton<br />
population is of special interest because there is no consensus regarding their origin. They are Muslim<br />
people and have mixed very little with other ethnic groups. We investigated the polymorphism of 2<br />
HLA class 1 and 7 HLA class II loci in Khoton-Mongolians in comparison with Khalkh-Mongolian<br />
controls. Combined analysis of HLA class I and class II alleles showed that the two Mongolian<br />
populations examined have significant differences in their distribution of HLA alleles; significantly<br />
higher frequency of HLA-B38, DQA1*0201, DQB1*0201, DPB1*0401 and significantly lower<br />
frequency of HLA-A2, A33, DRB1*1102, DQA1*0103, DQB1*0603, DPB1*0201 and DPB1*1701<br />
were found in minor population of Khoton-Mongolians as compared to major Khalkh-Mongolians.<br />
Several haplotypes were found to be unique to Khoton-Mongolians, such as HLA-A30-B58, A29-B35,<br />
A24-B53, DRB1*0301-DQA1*0502- DQB1*0201-DPA1*0101-DPB1*0401, DRB1*0701-<br />
DQA1*0201-DQB1*0201-DPA1*0202-DPB1*0501, DRB1*0401- DQA1*0301-DQB1*0301-<br />
DPA1*0101-DPB1*0402, DRB1*1001-DQA1*0101-DQB1*0501- DPA1*0202-DPB1*0501 and<br />
DRB1*0405-DQA1*0301-DQB1*0401-DPA1*0101-DPB1*0201.<br />
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No. 93 (PO 7)<br />
TNF-β gene-polymorphism in population and clinical studies<br />
B.Ankhchimeg 1,3 , B.Munkhbat 1,2 , B.Gansuvd 1,2 , G.Oyungerel 1 , T.Shimura 2 N.Munkhtuvshin 1<br />
1<br />
Central Scientific Research Laboratory, Nat’l Institute of Medicine, Mongolia<br />
2<br />
Department of Transplantation Immunology, Tokai University, Japan<br />
3<br />
Dept. Laboratory Medicine, General Hospital, Arkhangai, Mongolia<br />
Objectives: Genes of TNF-α (cachectin) and TNF-β (lymphotoxin) are located between HLA-B and<br />
HLA class III, and no allelic polymorphism has been determined in the region of TNF-α loci, where two<br />
alleles TNF-β1 and TNF-β2 has been described, that can inherits in three <strong>for</strong>ms and no gene<br />
frequencies and disease associations yet been fully studied.<br />
Materials and methods: Ncol enzyme based RFLP allelic frequency of TNF-β (lymphotoxin) gene<br />
analysis was per<strong>for</strong>med in 126 healthy Mongolians (85 Khoton , and 41 Khalkh ethnic groups) and 135<br />
Japanese lung cancer patients studied in comparison to 165 normal healthy control subjects.<br />
Results: Gene frequency of 5.5/5.5-kb allele revealed in 12.2% of Khalkh population, and this is much<br />
more frequent in comparison to Khoton population, in whom it was revealed only in 3.5%. But TNF-β<br />
10.5/10.5-kb allele was determined in 49 cases (57.4%) in Khoton population, that was very high in<br />
frequencies in comparison to both Khalkh and Japanese healthy group (34.1% and 41.1%),<br />
(p=0.013440). In the lung cancer patients, the TNF-β 10.5/10.5-kb allele was found at a low frequency,<br />
38.5%, compared to 53.3% in normal controls (chi 2 = 7.51, P = 0.011, corrected P = 0.033, relative risk<br />
= 0.77). In the relationship between the histologic types and the TNF beta 10.5/10.5-kb allele showed<br />
low frequencies: 38.5% in adenocarcinoma, 38.2% in squamous cell carcinoma, and 27.8% in small cell<br />
carcinoma, although no statistical difference was shown. In relation to the postoperative survival period,<br />
the TNF beta 10.5/10.5-kb allele was associated with prolonged survival.<br />
CONCLUSIONS: The TNF beta 10.5/10.5-kb allele may be associated with resistance to lung cancer<br />
and with a better prognosis.<br />
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No. 94 (PO 8)<br />
The genealogical study of Charcot-Marie-Tooth disease prevalence among some<br />
Families in Bayan-Uul soum of Gobi-Altai province<br />
Batchimeg B 1 , Bilegtsaikhan Ts 1 , Oyungerel G 1 , Tselmen D 1 , Erdenechimeg Ya 2 , Oyuntsetseg М 3 ,<br />
Baasanjav D 2 , Munkhtuvshin N 1 , Munkhbat B 1<br />
1Central Scientific Research Laboratory, Institute of Medical Sciences, Mongolia<br />
2Department of Neurology, Institute of Medical Sciences, Mongolia<br />
3Department of Neurology, Central Hospital of Gobi-Altai Province<br />
Objectives: The purpose of the present study is to elucidate genealogical and clinical features of<br />
hereditary neuropathy in the several large kindreds of Gobi-Altai province, Mongolia.<br />
Materials and methods: In the present study, we had selected five kindreds originated from Bayan-Uul<br />
sum, Gobi-Altai province. Each participant was enrolled <strong>for</strong> genealogical and neurological examinations<br />
according to the prepared questionnaire. We also have collected biological samples <strong>for</strong> further genetic<br />
study. Genomic DNA was isolated from biological samples, and quantitative analysis of DNA was<br />
determined by spectrophotometer and picogreen assays.<br />
Results: Genealogical analysis revealed that there was linkage between two kindreds in the total<br />
families enrolled into study, whereas no association was revealed among the other pedigrees. As an<br />
external appearance of susceptibility gene or genomic regions of the hereditary neuropathy, the clinical<br />
signs were inheritant in every generation, and the inheritance was not dependent on sample of gender. In<br />
neurological examination, start age of hereditary neuropathy onset was <strong>for</strong> the first decade of life in 4<br />
patients, <strong>for</strong> the second decade of life in 5 patients, and <strong>for</strong> the other members start in the age of over<br />
than 20 years. Common clinical features of hereditary neuropathy were characterized by hypomimicand<br />
mask shape face, muscular atrophy of upper and lower limbs, and pes cavus. Five female patients<br />
were revealed with similar gynecological problems, which was a very interesting case.<br />
Conclusion:<br />
1. The hereditary neuropathy that occurred in the large kindreds of Bayan-Uul sum, Gobi-Altai province,<br />
and the type of inheritance could be categorized as autosomal dominant.<br />
2. Onset of hereditary neuropathy disease started mostly in the second decade of life. Common clinical<br />
features of hereditary neuropathy were characterized by hypomimic and mask shape face, muscular<br />
atrophy of upper and lower limbs, and pes cavus. Apart from general clinical features, the specific<br />
complicated signs were related to metabolic disorders and pregnancy.<br />
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No. 95 (PO 9)<br />
Number and morphology of mesothelial cells in peritoneal dialysis effluent as a<br />
potential predictive marker <strong>for</strong> advanced peritoneal dysfunction<br />
Mayumi Idei 1 , Yoko Tabe 1 , Kazunori Miyake 1 , Chieko Hamada 2 , Hiroyuki Takemura 3 , Hiroaki<br />
Io 2 , Kiyoshi Ishii 3 , Takashi Horii 3 , Yasuhiko Tomino 2 , Akimichi Ohsaka 3 , Takashi Miida 1<br />
1, Department of Clinical Laboratory Medicine, Juntendo University School of Medicine, Tokyo, Japan<br />
2, Division of Nephrology, Department of Internal Medicine, Juntendo University School of Medicine ,<br />
Tokyo, Japan<br />
3, Division of Clinical Laboratory, Juntendo University Hospital, Tokyo, Japan<br />
Encapsulating peritoneal sclerosis (EPS) is a serious complication of peritoneal dialysis (PD). A risk<br />
of EPS increases with a development of peritoneal dysfunction where increased peritoneal permeability<br />
is associated with exfoliation and loss of peritoneal mesothelial cells.<br />
In this study, we investigated whether the number and morphology of mesothelial cells in peritoneal<br />
dialysis effluent (PDE) reflect a peritoneal function, and predict increased susceptibility to EPS.<br />
Materials and Methods: PDE samples were obtained from 33 PD patients (26 men, 7 women, PD<br />
duration; 29.1 ± 27.4 months) with peritoneal equilibration test (PET) per<strong>for</strong>med. The number of<br />
mesothelial cells was counted in 36 mm 2 area of slide preparation. According to the classification of cell<br />
morphology based on the life-cycle of mesothelial cells, mesothelial cells were classified into quiescent,<br />
activated, phagocytic, and degenerating cells with the digital microscopy system CellaVision DM96.<br />
PET was used to categorize patients into four transporter groups; high (H), high average (HA), low<br />
average (LA), and low (L).<br />
Results: The number of mesothelial cells in PDE samples was significantly lower in H transporter<br />
group than HA (p < 0.05). Mean numbers of mesothelial cells were 2.7 ± 0.6 <strong>for</strong> H transporter group<br />
(n=3), 15.8 ± 11.4 <strong>for</strong> HA (n = 16), and 14.8 ± 21.7 <strong>for</strong> LA (n = 11), and 11.3 ± 12.9 <strong>for</strong> L (n=3),<br />
respectively. In morphological analysis, whereas both quiescent- and activated- mesothelial cells were<br />
present in HA, LA, and L transporter groups, in H transporter group, however, quiescent cell type was<br />
predominantly observed.<br />
Conclusions: Decreased number of mesothelial cells in PDE of a high transporter membrane state,<br />
suggesting the loss of peritoneal mesothelial cells during chronic peritoneal injury, might be a<br />
convenient and useful predictive marker <strong>for</strong> advanced peritoneal dysfunction.<br />
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No. 96 (P0 10)<br />
Regulatory and pro-inflammatory properties of CD4+ T-cell subsets defined by<br />
CD45RA, CCR7, CD27, and CD28 in patients with rheumatoid arthritis<br />
Fumichika Matsuki*†, Jun Saegusa*†, Yoshiaki Miyamoto†, Kenta Misaki†, Shunichi Kumagai*§,<br />
and Akio Morinobu†<br />
Department of Evidence-based Laboratory Medicine, Kobe University Graduate School of Medicine,<br />
Kobe, Japan; †Department of Rheumatology and Clinical Immunology, Kobe University Graduate<br />
School of Medicine, Kobe, Japan; §The Center <strong>for</strong> Rheumatic Diseases, Shinko Hospital, Kobe, Japan<br />
Background/Purpose: The phenotypic classification of T cells is useful in studies of immunological<br />
diseases. Human CD4+ T cells can be classified as either naive, central memory (TCM), or effector<br />
memory (TEM) cells using CCR7 and CD45RA. We recently discriminated CD4+ T cells into five major<br />
subsets using four markers, CD45RA, CCR7, CD27, and CD28, and defined the function of each<br />
population based on its ability to produce IFN-γ, IL-4, and IL-2. To identify the CD4+ T cell subsets<br />
most important in the pathogenesis of rheumatoid arthritis (RA), we phenotypically defined human<br />
CD4+ T cells as functionally distinct subsets, and analyzed the distribution and characteristics of each<br />
subset in the peripheral blood.<br />
Methods: Peripheral blood mononuclear cells from RA patients and healthy subjects were classified<br />
into different subsets based on the expression of CD45RA, CCR7, CD27, and CD28 using five-color<br />
flow cytometry. The frequency of IFN-γ-, IL-17-, or TNF-α-producing cells, and of Foxp3- or<br />
RANKL-positive cells in each subset was analyzed by eight-color flow cytometry.<br />
Results:<br />
We classified human CD4+ T cells into six novel subsets based on four cell surface markers, CD45RA,<br />
CCR7, CD27, and CD28. We demonstrated that the CD27+CD28+ TCM subset comprised a significantly<br />
smaller proportion of CD4+ T cells in RA patients compared to healthy controls, and within this subset,<br />
the proportion of Foxp3-positive cells was lower. In contrast, the proportion of IL-17- and<br />
TNF-α-producing cells in the CD27+CD28+ TEM subset was significantly increased in RA patients.<br />
Conclusion:<br />
These findings suggest that the total number and/or proportion of inflammatory cytokine- or<br />
Foxp3-positive cells of particular CD4+ T cells subsets is significantly changed in RA patients. These<br />
subsets may provide novel therapeutic targets <strong>for</strong> this disease.<br />
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No. 97 (PO 11)<br />
5-Ethynyl-2′-deoxyuridine (EdU)-induced replication banding patterns<br />
in human chromosomes<br />
Osamu Hoshi<br />
Anatomy and Physiological Science, Graduate School of Health Care Science, Tokyo Medical and<br />
Dental University, Japan<br />
We present a novel technique using incorporation of 5-ethynyl-2′-deoxyuridine (EdU) into replicating<br />
DNA is reported <strong>for</strong> analysis of the replicating banding patterns of human metaphase chromosomes.<br />
Human lymphocytes were synchronized with excess thymidine, and then treated with EdU during the<br />
late S phase of the cell cycle. EdU-incorporated DNA was detected in metaphase chromosomes using<br />
Alexa Fluor ® 488 azides, through the 1,3-dipolar cycloaddition reaction of organic azides with the<br />
terminal acetylene group of EdU. Chromosomes with incorporated EdU during the late S phase showed<br />
a banding pattern that was similar to the G-banding pattern of normal human chromosomes. Atomic<br />
<strong>for</strong>ce microscopic (AFM) images under liquid conditions showed that the structure of the chromosomes<br />
was well preserved even after EdU treatment. Comparisons between fluorescence microscopic images<br />
and AFM images of the same chromosome 1 indicated the presence of ridges and grooves in the<br />
chromatid arm, which corresponded to G-positive and G-negative bands, respectively. These results<br />
suggest an intimate relationship between the EdU-induced replication bands and the G-bands in human<br />
chromosomes. This technique combined with AFM is useful <strong>for</strong> analyzing the structure of chromosomes<br />
in relation to their replication banding pattern.<br />
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No. 98 (PO 12)<br />
Chaotic Nature of Myocardial Ultrasonic Radio Frequency Signals Reflect Cardiac<br />
Fibrosis and Hypertrophy in Patients with Hypertension.<br />
Mitsuru Masaki, M.D *# ; Akiko Goda, M.D * ; Masataka Sugahara, M.D * ; Miho Fukui, M.D *# ;<br />
Minoru Murakami, M.T # ; Miho Kuroda, M.T # ; Ayumi Igaki, M.T # ; Seiji Fujii, M.T # ; Tadanao<br />
Wada, M.T # ; Kohji Inuzumi, M.T # , Masahiro Koshiba, M.D # ; and Tohru Masuyama, M.D *<br />
Cardiovascular Division, Department of Internal Medicine, Hyogo College of Medicine *<br />
Division of Clinical Laboratory Medicine, Hyogo College of Medicine #<br />
Background: Chaotic nature of myocardial ultrasonic radio-frequency (RF) signals have been reflected<br />
myocardial tissue properties. However, it is unclear whether the ultrasonic RF signals reflect cardiac<br />
fibrosis in patients with hypertension. Methods: We evaluated 33 patients with untreated hypertension,<br />
randomly assigned to calcium-channel blockers or Angiotensin II receptor blockers <strong>for</strong> 12 months. RF<br />
signals were obtained from the myocardium by the transthoracic echocardiography. We assessed the<br />
correlation dimension (CD) in left ventricular posterior wall at end diastole be<strong>for</strong>e and after treatment.<br />
Plasma adiponectin, matrix metalloproteinase type 1(MMP-1), tissue inhibitor of metalloproteinase type<br />
1 (TIMP-1) and aldosterone were determined with ELISA as cardiac fibrotic markers be<strong>for</strong>e and after<br />
treatment. Results: CD, serum adiponectin, MMP-1 and TIMP-1 did not change after treatment. While,<br />
serum aldosterone decreased after treatment (10.0 (5.5) vs. 13.3 (6.3) ng/dl, p
No. 99 (PO 13)<br />
Drug susceptibility test <strong>for</strong> Giardia intestinalis using WST-1 reagent<br />
Takahiro Matsumura *,** , Tomoji Yuno * , Masaharu Tokoro **<br />
* Department of Clinical Laboratory, Kanazawa Red Cross Hospital<br />
** Department of Parasitology, Graduate School of Medical Science, Kanazawa University, Japan<br />
In human giardiasis, remaining diarrhea after chemotherapy is not rare, due to low compliance with the<br />
therapy, repeated infections or parasite resistance to administrated drugs. Actually, in some clinical<br />
reports, the emergence of drug resistance have been suggested as a cause of treatment failure in<br />
giardiasis, however, the method <strong>for</strong> the drug susceptibility test of Giardia intestinalis and the higher<br />
success rate of isolation method is not yet optimized. In contrast to the field of bacteriology, such as<br />
methicillin-resistant Staphylococcus aureus (MRSA) and penicillin-resistant Streptococcus pneumoniae<br />
(PRSP) etc. Considering these difficult conditions of giardiasis, we have taken a challenge to establish<br />
the metronidazole susceptibility test <strong>for</strong> G. intestinalis. Culture isolation to the axenic condition using<br />
modified YI-S medium (consisting of a nutrient broth, vitamin mixture and serum) of G. intestinalis<br />
was conducted using cysts excreted in patient feces, and 4 out of 6 strains were successfully isolated.<br />
The determination of Giardia genotype was used with molecular biological analysis. Using the<br />
well-grown clinical 3 strains (Su2: assemblage B, Su3: assemblage A, Su4: assemblage A) along with<br />
reference strain Portland-I (PO-1: assemblage A), the metronidazole susceptibility was assessed with a<br />
bioluminescent WST-1 cell proliferation assay (Takara: Japan). The IC50 values of PO-1 and clinical 3<br />
isolates (Su2, Su3, Su4) were 9.36 and 9.45, 6.58, 11.72 (μM) respectively <strong>for</strong> metronidazole. Our<br />
method could isolate both assemblage A and B, common genotypes detection from humans, and the<br />
WST-1 reagent could confirm the drug susceptibility in the culture condition. However, some genotypes<br />
of Giadia have been considered to be difficult to adopt axenic culture condition. So, the best culture<br />
conditions hold the key to the assessment of the drug susceptibility <strong>for</strong> Giardia. In fact, effective drug<br />
choices according to the results of drug susceptibility tests are general protocol in bacterial diseases, and<br />
such a useful assessment method is now available even <strong>for</strong> giardiasis. This study might help to explain<br />
the diversity in drug susceptibility <strong>for</strong> Giardia.<br />
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[Memo]<br />
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