8:00 AM

504 - Altered Thyroid Status in Lake Trout Exposed to Co-planar 3,3',4,4',5-Pentachlorobiphenyl. Brown, Scott*,1, Evans, Robert2, Vandenbyllardt, Lenore2, Finnson, Ken3, Eales, Geoffrey4, 1 Environment Canada, National Water Research Institute, Burlington, Ontario, Canada2 Department of Fisheries and Oceans, Freshwater Institute, Winnipeg, Manitoba, Canada3 Royal Victoria Hospital, Department of Obstetrics and Gynecology, Montreal, Quebec, Canada4 University of Manitoba, Department of Zoology, Winnipeg, Manitoba, Canada

FULL ABSTRACT

8:20 AM

505 - The effects of polychlorinated biphenyls on free thyroxine (FT4) concentrations in herring gull plasma. Maher, Robert*,1, Grasman, Keith2, Fox, Glen3, McNabb, F. M. Anne1, 1 Virginia Tech, Blacksburg, VA, USA2 Wright State University, Dayton, OH, USA3 Canadian Wildlife Service, Environment Canada, Hull, Quebec, Canada

FULL ABSTRACT

8:40 AM

506 - Do Thyroid Hormone Levels Indicate Stress from Environmental Pollutants in Nestling Bald Eagles? Bowerman, William*,1, Susan, Lombardini2, Refsal, Kent2, Sikarskie, James2, Croisant, Emma3, Grasman, Keith3, 1 Clemson University, Pendleton, SC, USA2 Michigan State University, East Lansing, MI, USA3 Wright State University, Dayton, OH, USA

FULL ABSTRACT

9:00 AM

507 - SHORT-TERM EXPOSURE TO A MIXTURE OF PHAHS: DOSE-ADDITIVE EFFECTS ON SERUM THYROXINE. Crofton, K*,1, Hedge, J1, Rossm, D1, DeVito, M1, 1 U.S. EPA, Research Triangle Park, NC

FULL ABSTRACT

9:20 AM

508 - The effects of perchlorate on thyroid function in developing and adult bobwhite quail. McNabb, F. M. Anne*,1, Maher, Robert1, Jones, Jennifer1, Hood, Sara1, 1 Virginia Tech, Blacksburg, VA

FULL ABSTRACT

9:40 AM

- Coffee Break.

10:20 AM

509 - Perchlorate in Lake Mead: field investigation of potential effects on fish thyroid and reproductive function. Snyder, Erin*,1, Kelly, Kevin2, Van Der Kraak, Glen3, Fitzgerald, Scott4, Crouch, Neil1, Snyder, Shane5, 1 Pennsylvania Cooperative Fish and Wildlife Research Unit, U.S.G.S. Biological Resources Division, University Park, PA, USA2 U.S. Bureau of Reclamation, Denver, CO, USA3 University of Guelph, Guelph, Ontario, Canada4 Michigan State University, East Lansing, MI, USA5 Southern Nevada Water Authority, Boulder City, NV, USA

FULL ABSTRACT

10:40 AM

510 - Assessing Thyroid Disruption in Amphibians Exposed to Ammonium Perchlorate Under Laboratory and Field Conditions. Carr, James*,1, Goleman, Wanda1, Hu, Fang1, Wages, Michael1, 1 Texas Tech University, Lubbock, TX, USA

FULL ABSTRACT

11:00 AM

511 - cDNA microarray analysis of the effects of the preemergent herbicide, acetochlor, on the Xenopus laevis tail transcriptome during thyroid hormone-induced metamorphosis . Helbing, Caren*,1, Crump, Doug1, Werry, Kate1, Veldhoen, Nik1, Van Aggelen, Graham2, 1 University of Victoria, Victoria, British Columbia, Canada2 Pacific Environmental Science Centre, Environment Canada, North Vancouver, British Columbia, Canada

FULL ABSTRACT

11:20 AM

512 - Thyroid axis inhibition in Xenopus laevis: Development of an amphibian-based screening assay. Degiz, Sigmund*,1, Holcombe, Gary1, Flynn, Kevin1, Korte, Joseph, Kolanczyk, Richard1, Kosian, Patricia1, Tietge, Joseph1, 1 US EPA, Duluth, MN, USA

FULL ABSTRACT

11:40 AM

513 - Development of a Xenopus Metamorphosis Assay (XEMA) to detect thyroid function disruption in amphibian larvae. Opitz, Robert1, Pickford, Daniel*,2, Kloas, Werner1, 1 Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Berlin, Germany2 AstraZeneca Global Safety Health and Environment, Brixham, Devon, UK

FULL ABSTRACT