KDM4B and gastric cancer: For example, Jumonji domain-containing protein 2B (JMJD2B) and erythropoietin-producing hepatocellular A2 (EphA2) which belongs to hydroxylase superfamily and protein-tyrosine kinase family, respectively, have both been suggested to induce EMT via the Wnt/β-catenin signalling pathway and further stimulate GC development and metastasis [37, 38].