Figure 5From: Ingredients of Huangqi decoction slow biliary fibrosis progression by inhibiting the activation of the transforming growth factor-beta signaling pathway Changes in TGFβ1, TβRI, TβRII, Smad3, phospho-Smad3, ERK1/2, phospho-ERK1/2, Smad7, and α-SMA protein expression detected by western blotting. S, sham control group; 1 W-5 W, one to five weeks BDL alone groups; Y, IHQD group.Back to article page