TGFB1 and hepatocellular carcinoma: For this purpose, we analyzed structural proteins (CDH1, CDH2, KRT19, LAMA3, LAMC2, and MMP9) and transcription factors (CD151, ID2, SNAI1, SNAI2, TCF3, TGFB1, TWIST1, and ZEB1) already described as prognostic markers in HCC [50].