TGFB1 and hepatocellular carcinoma: In accordance with miR-663a decline (median, 0.58-fold; range, 0.35- to 1.11-fold), the expression of TGF-β1 (median, 1.82-fold; range, 0.82- to 2.86-fold), was increased in all 6 HCC tissues (Fig. 7a).