Potent and selective ALK4, ALK5 and ALK7 inhibitor (TGFbeta superfamily Type I activin receptor-like kinase). (ALK5 IC50 = 94 nM)1,2. Inhibits TGFbeta-induced proliferation of human osteosarcoma cells3. Ehances growth and integrity of embryonic stem cell-derived endothelial cells4. A frequently used agent employed in numerous stem cell differentiation protocols5. Cell permeable.
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