Abstract
Cardiac differentiation of human pluripotent stem cells may be induced under chemically defined conditions, wherein the regulation of Wnt/β-catenin pathway is often desirable. Here, we examined the effect of trolox, a vitamin E analog, on the cardiac differentiation of human embryonic stem cells (hESCs). 6-Hydroxy-2,5,7,8-tetramethylchromane-2-carboxylic acid (Trolox) significantly enhanced cardiac differentiation in a time- and dose-dependent manner after the mesodermal differentiation of hESCs. Trolox promoted hESC cardiac differentiation through its inhibitory activity against the Wnt/β-catenin pathway. This study demonstrates an efficient cardiac differentiation method and reveals a novel Wnt/β-catenin regulator.
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