DNMT1 and urinary bladder carcinoma: (A) Schematic diagrams of the experimental strategies for evaluating the effect of DNMT inhibition on the growth of bladder cancer. Mice (14 animals in total) orthotopically injected with BBN-induced bladder tumor cells were treated with the vehicle control (seven animals) or 5’-azacitidine (seven animals) for 1.5 months.