H19 and endometrial cancer: Although H19 was originally seen as a tumor suppressor in Wilms’ tumors, embryonic rhabdomyosarcoma, and Beckwith-Wiedmann cancer predisposing syndrome, recent studies displayed the evidences of the oncogenic role of H19 in several human cancers, such as breast cancer, endometrial cancer, gastric cancer, and so on [5, 7].