RARG and colorectal carcinoma: RARγ is often over expressed in colorectal carcinoma, and knockdown of RARG within the colorectal carcinoma cell lines HT29, HCT116, RK0 and SW480 enhanced their sensitivity to the chemotherapeutic drugs 5-fluorouracil, oxaliplatin and vincristine sulfate (Huang et al., 2017).