CDKN1A and hepatocellular carcinoma: The pMIR-p21-wt or pMIR-P21-mut reporter was co-transfected into two different HCC cell lines, HepG2 and SMMC7721 together with miR-95-3p mimics, a negative control miRNA mimics (Ncontrol), or a miR-95-3p inhibitor and luciferase assays were performed.