ALK5 Inhibitor II is an ALK5 inhibitor. IC50: 4, 18, and 23 nM for ALK5 autophosphorylation, TGF-β cellular assay, and ALK5 binding in HepG2 cells, respectively.
ALK5-IN-8 is a highly effective inhibitor of TGFβRI (ALK5). It hinders the phosphorylation of ALK5 on downstream signaling proteins (Smad2 or Smad3) by obstructing the interaction between TGFβRI and ligands. Consequently, it disrupts or prevents TGF-β signaling. ALK5-IN-8 shows promise in the study of diverse diseases associated with ALK5-mediated pathways[1].