Endocrine Abstracts

Thyroid hormones T3 and T4 have fundamental roles in development, differentiation and metabolism. Many of these actions can be explained by the well-known binding of T3 to specific nuclear receptors TRα and TRβ, which regulate the expression of numerous genes. However, more and more examples of extranuclear or nongenomic effects of thyroid hormones are now appearing, based on mechanisms that are independent of the nuclear receptors an...