Cardiac ion channel expression and contractile function in mice with deletion of thyroid hormone receptor alpha or beta.

Abstract

Cardiac myocytes express the two thyroid hormone receptors (T(3)Rs), T(3)Ralpha and T(3)Rbeta. However, which isoform contributes to specific, T(3)-induced alterations of cardiac function remains unclear. Here, we used individual T(3)R isoform knockout (KO) mice to study the effects of T(3)Ralpha and T(3)Rbeta in the heart. Our findings indicate that… (More)

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