A cohort study of leukemia patients suggested that WDR5 may have oncogenic effects in leukemogenesis.15 In addition, researches show that WDR5 has high expression level in prostate cancer, bladder cancer, and breast cancer, and has a positive correlationship with advanced stage and poor survival.16, 17, 18 It is well established that CRC may share some similarities with these other types of cancer. The gene discussed is WDR5; the disease is urinary bladder carcinoma.