Fig. 5From: Echinacoside exerts anti-tumor activity via the miR-503-3p/TGF-β1/Smad aixs in liver cancerEffect of ECH on TGF-1/Smad pathways. a The mRNA levels of TGF-1, smad3 and smad7 in HepG2 and Huh7 cells. b The protein levels of TGF-1, smad3 and smad7 in HepG2 and Huh7 cells. N = 6, means ± SD, VS the 0 group, **p < 0. 01, ***p < 0.001Back to article page