ischaemic preconditioning of the human heart. - Leicester Research ...

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from Sigma Chemicals and HMR 1883 was a glfl from Hoechst Marion Roussel, Frankfurt. 4.2.3 E'xperimenlal Prolm-oh Initially, a dose-response analysis was undertaken with various doses for each ofthe live different drugs used in the experimental protocols. The drugs were applied to the sections for 10min and then washed out after 30min of stabilisation, followed by prolonged ischaernia and reoxygenation. Once the optimal dose for each drug was determined, the preparations were randomly allocated to various protocols (n-6/group). In the groups subjected to simulated ischemia, this was induced for a period of 90min and then it was followed by 120min of reperfusion. The time course and the incubation times with the various agents are shown in Figure 4.1 4.2.4 Assessment of tissue injury and viability: Tissue injury was analysed as described in section 3.2.4 (Chapter 3). 93
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ISCHAEMIC PRECONDITIONING OF THE HU
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ABSTRACT Ischaemic preconditioning
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andomised clinical study with the f
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CHAPTERI Introduction 35 Matefials
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Discussion 151 CHAPTER Vill Conclus
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44 CK leakage and MTT reduction on
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The Wellcome Trust and The British
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Presentations International "The Ef
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Abbreviations An attempt has been m
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1.1 Introduction Ischaernic heart d
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1.2 Myocardial Ischaemia Myocardial
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hours up to several days to complet
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phosphates and its influence on hyd
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1.4 Myocardial Protection This refe
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performed. This process is repeated
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1.6 Possible Mechanisms of Ischaemi
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kilodalton stress proteins. These p
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and these proteins have been sugges
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K vi-1, channels were initially fou
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tissues the K.. %,.,, channels are
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Subsequently, Jaburek et al 1145] i
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venous capacitance vessels. At ther
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preconditioning to be investigated
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In the angioplasty model, Tomai et
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patients were randomized into two g
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CHAPTER 11 THE HUMAN RIGHT ATRIAL T
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inexpensive. Briefly in this model,
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of each ischemic period, slices wer
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30 nini FO linlin L 60 min 120 inin
Page 59 and 60: In Study 3 (see Figure 2.4), slices
Page 61 and 62: D. Metabolite analysis Samples were
Page 63 and 64: leakage is calculated as the net LD
Page 65 and 66: B. Effect of the severity of ischae
Page 67 and 68: 2.11 DISCUSSION: The present studie
Page 69 and 70: clearly insufficient to induce myoc
Page 71 and 72: The present model may facilitate th
Page 73 and 74: 2.12 Conclusiow I have characterise
Page 75 and 76: 3.5 3 V 2.5 3: m Je m Z0 z 2 1.5 0.
Page 77 and 78: (3 3 2.5 a 1.5 - -r T 0 2 0.5 0 I P
Page 79 and 80: Q oro . 21 . 0 'a IP 10 '. R -C3 A
Page 81 and 82: =3 0 h X CD 0 x CD :3 0 , 7, CD 0 0
Page 83 and 84: CHAPTER III PRECONDITIONING THE HUM
Page 85 and 86: 3.2 MATERIALS AND METHODS-. 3.2.1 E
Page 87 and 88: A117'reduction- At the end of the e
Page 89 and 90: -4 ýi r. () .1 a 0 1 tli n F5* - C
Page 91 and 92: v M. %; n C) .0 ý U ý ý - - - -2
Page 93 and 94: leakage resulting from precondition
Page 95 and 96: 3.5 DISCUSSION: The present studies
Page 97 and 98: during cardiac surgery totalling 10
Page 99 and 100: different. The cellular mechanisms
Page 101 and 102: cn Je 8 7 6 5 4 1 0 0.8 0.7 0.6 0.5
Page 103 and 104: 8 6 C) 2 0.7 0.6 Q) 0.5 0) E 25 0.4
Page 105 and 106: 6 5 CY) ,u3 CF) m -ýe m 2 1 0 -0.8
Page 107 and 108: CHAPTERIV THE ROLE OF THE KATPCHANN
Page 109: It has been reported that K.. %-I-p
Page 113 and 114: Figure 4.7 shows that ischaemia alo
Page 115 and 116: Figure 4.2 Dosc-responsc experiment
Page 117 and 118: Figure 4.4 Dose-response experiment
Page 119 and 120: Figure 4.6 Dosc-response experiment
Page 121 and 122: 1 0.9 -ý 0.8 0.7 E 0.6 0.5 0.4 0.2
Page 123 and 124: activity, and showed that diazoxide
Page 125 and 126: Furthermore, Van den Hoek et al [3
Page 127 and 128: mechanism by which the opening of m
Page 129 and 130: 5.1 INTRODUCTION: Within the enormo
Page 131 and 132: 5.2 MATERIALS AND METHODS: 5.2.1 Ex
Page 133 and 134: M77'rechiction: At the end of the e
Page 135 and 136: oc 0 0 cr F; * 10 eb I ý; o I 5 0
Page 137 and 138: Pages missing original in the
Page 139 and 140: esulted in a decrease of CK leakage
Page 141 and 142: are on long-term hypoglycaernics or
Page 143 and 144: absence of uniformity of expeniment
Page 145 and 146: 5.7 Conclusion Preconditioning is a
Page 147 and 148: 0.9 0.8 07 m 0.6 E -0 0t 4 0.3 02 0
Page 149 and 150: -0 1.2 1 &8 0.6 04 0.2 o Aerobic Is
Page 151 and 152: 6.1 INTRODUCIFION' Life expectancv
Page 153 and 154: (MI-T) to blue t'()rmazan product C
Page 155 and 156: The demonstration that ischaemic in
Page 157 and 158: Table 61 Patients' demographic and
Page 159 and 160: Nure 6,1: Creatine Kinase (CK) leak
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CHAPTER VII IN VIVO STUDIES ON T"E
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The apparent discrepancy bet,.,,, e
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In the off-pump group, coronary byp
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eduction as described in section 3.
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7.4.2 In vitro studies Figures 7.3A
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preconditioning stimulus in man is
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myocardium. Several investigators [
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Table 7.2 - Patients haemod-v-namic
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(0 -I 3 CD CD CD 1 3 0 :3 0 0 =r w
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0 co t X 3 co 0 0 Cumulative Releas
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-& a) c) UT 0 =r w CD 3 CD 0 1ý (a
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When ischaernic preconditioning was
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evidence tbr the involvement ot'PKC
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institution o fcardiopu Imo nary by
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Biblioqraphv 1. Abete P, Ferrara N,
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14. Auchampach J, Cavero, I and Gro
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27. Becker LB, Van den Hoek TLV, Sh
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41. Bums PG, Krunkenkamp IB, Calder
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55. Cohen G, Shirai T, Weisel RD, e
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69. Currie RW and White FP (1983).
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83. Downey JM, Liu GS and Thornton
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97. Ganote C, Armstrong S and Downe
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110. Grover GJ, D'Alonzo A, Hess T,
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122. Hamilton T and Weston A (1989)
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137. Hu H, Sato T, Seharaseyon J, L
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151. Jennings R, Steenbergen C, Kin
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164. Kelpzig H, Kobert G, Mafter C,
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178. Lamping K, Christensen C, Pelc
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192. Liu GS, Thornton J, Van Winkle
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206. Maulik N, Yoshida T, Das DK. (
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219. Miyawaki H, Zhou X, Ashraf, M.
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233. Okazaki Y, Kodama K, Sato H, K
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248. Pryzlenk K, Li G, Whittaker P
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260. Saito S, Tamura Y, Moriuchi M,
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274. Schulz R, Post H, Valhaus C, e
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288. Stewart JR, Blackwell WH, Crut
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300. Tani M, Suganuma Y, Hasegawa H
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312. Tosaki A, Engelman DT, Engelma
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324. Walker D, Marber M, Walker J a
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337. Yamashita N, Nishida M, Hoshid
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351. Zhang JG, Lindup WE. (1993). R
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444 J. -G. Zhang and others are dif
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446 J. -G. Zhang and others Assessm
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448 J. -G. Zhang and others 0.9 0.8
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450 J. -G. Zhang and others C E 07
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4S2 J. -G. Zhang and othen effects
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ELSEVIER Abstract Cardiovascular Re
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936 S. Ghosh et al. / Cardiovascula
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938 S. Ghosh et al. / Cardiovascula
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940 S. Ghosh et al. [41 Goto M, Liu
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712 0" et &L h wcomMe geg in Obwa»
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714 Gbosb ot aL hmoo dmoWmbDbsnedH
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716 chmä et aL Pi unamOso äu In O
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718 ehe* et &L ditioning in the hum
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