BTG2 and urinary bladder cancer: As compared to the highly differentiated bladder cancer cells, RT4, with other two less differentiated bladder cancer cells, HT1376 and T24, RT4 cells has higher BTG2 expression than HT1376 and T24 cells as determined by immunoblotting (Fig. 1D, top) and RT‐qPCR (Fig. 1D, bottom) assays.