TGFB1 and Hepatic fibrosis: In addition, gardenia glycosides [143], the main component of Yinchenhao decoction, can inhibit TGF-β/Smad and ERK-MAPK pathways to inhibit TGF-β1-induced EMT and also inhibit type I collagen-induced by the TGF-β1 pathway to protect the liver and inhibit the development of liver fibrosis.