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Thyroid toxicants: assessing reproductive health effects
Gloria D Jahnke1, Neepa Y Choksi, John A Moore
1Sciences International Inc., Research Triangle Park, NC 27709, USA. jahnke@niehs.nih.gov
Environmental Health Perspectives
|March 5, 2004
Summary
This workshop explored chemical impacts on thyroid function, comparing animal models and human relevance for reproductive and developmental effects. Findings aid in predicting human health risks from thyroid toxicants.
Area of Science:
- Endocrinology
- Toxicology
- Reproductive Biology
Background:
- The National Toxicology Program convened a workshop to address chemical-induced thyroid dysfunction.
- Focus was on the relevance of animal studies for predicting human reproductive and developmental effects.
Framework:
- Comparative analysis of thyroid hormone effects in humans and rodents.
- Review of rodent models for thyroid system dysfunction.
Implementation:
- Evaluation of animal testing protocols for human health effect extrapolation.
- Discussion of screening methods for toxicant-induced thyroid dysfunction.
- Consideration of postnatal bioassays for thyroid-related effects.
Implications:
- Improved prediction of adverse human health effects from thyroid toxicants.
- Enhanced understanding of chemical impacts on the reproductive and developmental systems.
- Guidance for regulatory assessment of thyroid-disrupting chemicals.