ZEB1 is highly expressed in several tumours, including breast [6,7], pancreatic [9,27,34], colorectal [35], gastric [36,37], lung [38,39,40], uterine [41], hepatocellular carcinoma [42], prostate [43,44] and lymphoma [45] cancers. This evidence concerns the gene ZEB1 and hepatocellular carcinoma.