S100A5 and urinary bladder cancer: S100A5 short hairpin RNA (sh‐S100A5) and S100A5‐cDNA (oe‐S100A5) and their negative controls (sh‐NC and oe‐vector respectively) were successfully transfected on human bladder cancer cell lines (T24 and 5637) (Figure S16A–D, Supporting Information).