Potent inhibitor of TGF-beta receptor kinases ALK4, ALK5 (IC50=18 nM), ALK7, and TGFbetaRII, but not BMP type II receptor kinase.1,2 Blocks TGF-beta-mediated signaling, including collagen type I and VEGF, in turn reducing fibrosis and angiogenesis in various mous
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