To determine the potential cytokines responsible for GSTO1 induction in bladder cancer, HT1376 was treated with individual cytokines, including GRO‐α, GM‐CSF, M‐CSF, MIP‐1β, IL‐1α, IL‐1β, IL‐2, IL‐6, IL‐18, SDF‐1α, TNF‐α, and VEGF‐A. Here, CXCL1 is linked to urinary bladder cancer.