TGFB1 and hepatocellular carcinoma: To further explore whether ITGBL1 regulates KRT17 and EMT via the TGF‐β1/Smads signalling pathway, HCC cells with or without ITGBL1 overexpression or knockout were treated with 10 ng/mL TGF‐β1 and/or 1 μM LY2109761 inhibitor for 24 hours.