3,3',5-Triiodo-L-thyronine是由前甲狀腺素(T4)脫碘生成的甲狀腺素,是甲狀腺素受體TRα/TRβ的激動(dòng)劑;3,3',5-Triiodo-L-thyronine is the most potent form of thyroid hormone, a potent agonist of both thyroid hormone receptors TRα and Trβ with Kis of 2.3 nM for both.3,3′,5-Triiodo-L-thyronine can be used for Insulin-like growth factor I assays performed by using a double antibody radioimmunoassay. The product can also be used for in vitro transfection of 293T cells.