ZEB1 and hepatocellular carcinoma: In order to confirm that these specific bindings (miR-153/Snail1, miR-506/Slug, miR-200b/ZEB1) are functional, we either overexpressed miR-153, miR-506 and miR-200b, or inhibited miR-153, miR-506 and miR-200b in both HCC cell lines.