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HONTELA, ALICE

Title: 
Professor
Faculty: 
Arts & Science
Department: 
Biological Sciences
Disciplines: 
Sciences
Research Expertise: 

Dr. Hontela's general area of interest is Endocrine Toxicology, study of the effects of toxicants on the endocrine system that regulates physiological functions through hormones. Specifically, she is investigating in teleost fishes and amphibians the effects of pollutants on the adrenal function and corticosteroid hormones such as cortisol and corticosterone. These hormones have an important role in metabolism, osmoregulation and the immune function. Some environmental pollutants disrupt the intracellular pathways leading to synthesis of corticosteroids, with consequences on animal's health.

Ongoing studies in Dr. Hontela's laboratory focus on health assessment of aquatic species exposed to agri-chemicals and metals such as selenium, in Western Canada and investigations of the mechanisms through which adrenotoxic chemicals interfere with the normal synthesis of corticosteroid hormones. Field studies, together with in vitro bioassays and pharmacological tests are used to better understand the effects of specific pollutants on the endocrine system of fish and amphibians. Data from such studies are needed for Ecological Risk Assessment, the process evaluating safety of new chemicals released into the aquatic environment.

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