LY2109761 (S2704-GRP)

LY2109761 is a novel selective TGF-β receptor type I/II (TβRI/II) dual inhibitor with Ki of 38 nM and 300 nM in a cell-free assay, respectively; shown to negatively affect the phosphorylation of Smad2. LY2109761 blocks autophagy and induces apoptosis.