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Quick Overview

A83-01 is a TGFβ kinase/activin receptor like kinase (ALK5) inhibitor. It blocks the phosphorylation of Smad2 and inhibits TGFβ-induced epithelial-to-mesenchymal transition. A83-01 is more potent than small molecule SB431542, and has been shown to inhibit differentiation of rat induced pluripotent stem cells (iPSCs) and increases clonal expansion efficiency. Small molecule A83-01 helps maintain homogeneity and long-term in vitro self-renewal of human iPSCs.