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Annual Meeting Program - Society of Toxicology

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47 th <strong>Annual</strong> <strong>Meeting</strong> & ToxExpo<br />

<strong>Program</strong> Description (Continued)<br />

Abstract #<br />

Wednesday Morning, March 19<br />

8:00 AM to 8:50 AM<br />

Ballroom 6A<br />

Wednesday Morning, March 19<br />

8:30 AM to 9:30 AM<br />

Exhibit Hall 4C-4<br />

Wednesday<br />

Keynote Medical Research Council<br />

(MRC) Lecture: Biological Energy<br />

Conversion and its Toxic<br />

Consequences<br />

Lecturer: Nobel Laureate Sir John E. Walker, MRC<br />

Dunn Human Nutrition Unit, Cambridge, UK<br />

Energy in foodstuffs is released by respiration<br />

(controlled burning), consuming in the process most<br />

<strong>of</strong> the oxygen that we have breathed in. Of the 1000<br />

or so proteins that are involved, about 100 <strong>of</strong> them are organized into the<br />

respiratory enzyme complexes in mitochondria that function as molecular<br />

machines to convert the redox energy derived from food-stuffs into<br />

adenosine triphosphate (ATP), the energy currency <strong>of</strong> biology. The final<br />

synthetic step is achieved by a remarkable molecular machine that has a<br />

mechanical rotary action. An important toxic by-produce <strong>of</strong> energy conversion<br />

is the production <strong>of</strong> ROS reactive oxygen species (ROS). ROS are<br />

generated during the process <strong>of</strong> electron transfer, but where and how they<br />

are generated remains controversial. The ROS can react with nucleic acids,<br />

proteins and phospholipids causing damage to biological processes that<br />

may lead to diseases and contribute to ageing. Hence, there is a need to<br />

develop drugs to prevent the toxic effects <strong>of</strong> ROS. All <strong>of</strong> these issues will<br />

be discussed in the lecture.<br />

Wednesday Morning, March 19<br />

8:30 AM to 9:30 AM<br />

Exhibit Hall 4C-3<br />

Exhibitor Hosted Session: Automated<br />

In Vivo Sampling with Culex<br />

Presented by: BASi (Bioanalytical Systems, Inc.)<br />

Culex is a modular system for programmed blood and bile sampling,<br />

microdialysis, infusions and physiological measurements. This presentation<br />

will outline the basics <strong>of</strong> automated sampling and how the Culex, a unique<br />

instrument, gets the job done 24/7, using freely-moving animals. You will<br />

learn the differences between manual and automatic sampling and dosing,<br />

and how multiple data streams from a single animal can be obtained at one<br />

time.<br />

Exhibitor Hosted Session: Multiplex Gene<br />

Expression for <strong>Toxicology</strong> Screening <strong>of</strong> Target<br />

Compounds<br />

Presented by: Beckman Coulter, Inc.<br />

Detection <strong>of</strong> cellular response in toxicological studies requires a comprehensive<br />

detection platform that can analyze multiple relevant pathways in a<br />

cost-effective manner. Multiplex gene expression can be employed to look<br />

at various metabolic, cell signaling, or user defined pathways simultaneously.<br />

The Beckman Coulter GeXP Genetic Analysis platform delivers high<br />

throughput gene expression using a simplified chemistry to allow same day<br />

sample to answers.<br />

Wednesday Morning, March 19<br />

9:00 AM to 11:45 AM<br />

Room 605<br />

Developmental Basis <strong>of</strong> Disease<br />

SYMPOSIUM SESSION: DEVELOPMENTAL BASIS OF HEALTH<br />

AND DISEASE: PERSISTENT EFFECTS OF TOBACCO SMOKE<br />

EXPOSURE (iat)<br />

Chairperson(s): Laura Van Winkle, University <strong>of</strong> California Davis, Davis,<br />

CA and Kent Pinkerton, University <strong>of</strong> California Davis, Davis, CA.<br />

Endorsed by:<br />

Immunotoxicology Specialty Section<br />

Inhalation and Respiratory Specialty Section*<br />

Reproductive and Developmental <strong>Toxicology</strong> Specialty Section<br />

Toxicologic and Exploratory Pathology Specialty Section<br />

Children are exposed to tobacco smoke. In a study <strong>of</strong> 5, 400 U.S. school<br />

aged children, 85% had measurable cotinine levels in their blood. Whether<br />

it is prenatal exposure to mainstream smoke or postnatal exposures to sidestream<br />

smoke, childhood exposures are most <strong>of</strong>ten involuntary exposures<br />

and can result in adverse health effects. This is not surprising as tobacco<br />

smoke contains a complex mixture <strong>of</strong> compounds with toxic and/or bioactive<br />

effects. Yet the long term outcomes <strong>of</strong> childhood exposures are still<br />

not well understood. The purpose <strong>of</strong> this session is to bring together the<br />

latest research on the effect <strong>of</strong> tobacco smoke on development <strong>of</strong> the neural,<br />

immune and respiratory systems and to highlight potential areas <strong>of</strong> future<br />

research. There is recent concern about the possibility <strong>of</strong> persistent adverse<br />

health effects <strong>of</strong> tobacco smoke exposure that continue into adulthood after<br />

exposures during development in either the pre or postnatal period. Persistent<br />

effects have been described for the lung, the immune system and for<br />

both behavior and neurobiology.<br />

#1331 9:00 DEVELOPMENTAL EFFECTS OF HEALTH<br />

AND DISEASE: PERSISTENT EFFECTS OF<br />

TOBACCO SMOKE EXPOSURE. L. S. Van<br />

Winkle 1,3 and K. E. Pinkerton 1,2,3 . 1 Center for Health<br />

& the Environment, UC Davis, Davis, CA, 2 Med:<br />

Pediatrics, UC Davis, Davis, CA and 3 Vet:Med<br />

Anatomy, Physiology and Cell Biology, UC Davis,<br />

Davis, CA.<br />

#1332 9:05 EFFECTS OF ENVIRONMENTAL TOBACCO<br />

SMOKE ON THE DEVELOPING IMMUNE<br />

SYSTEM OF INFANT MONKEYS. K. E.<br />

Pinkerton, L. Wang and J. P. Joad. Center for Health<br />

and the Environment, University <strong>of</strong> California,<br />

Davis, Davis, CA.<br />

206<br />

SOT’s 47 th <strong>Annual</strong> <strong>Meeting</strong>

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