Consistently, it has been found that hypoxia-related genes CA9, NDRG1, SLC2A1, P4HA1 and ENO1 induced EMT in hepatocellular carcinoma (54), bladder cancer (55), laryngeal cancer (56) and gastric cancer (57, 58), respectively. The gene discussed is NDRG1; the disease is urinary bladder carcinoma.