DNMT1 and hepatocellular carcinoma: HBx protein exerts its oncogenic ability by activating DNMT1, DNMT3, TETs, HMTs, HDMTs, and miRNAs resulting in the induction of epigenetic alterations of a spectrum of tumour suppressor gene promoters and miRNAs leading to HBV-induced HCC [87, 110, 116–121].