PPARG and urinary bladder carcinoma: The effects of TGZ (50 and 100 μM), CGZ (40 μM), RGZ (10 μM), PGZ (20 μM) and 15dPGJ2 (5.6 and 10 μM) on the TSU-Pr1 bladder carcinoma cell line were examined in the presence or absence of the highly selective PPARγ antagonist GW9662 (10 μM).