MPO and colitis: The 7th day colitis group had higher macroscopic damage scores (20.37±1.21) compared to the sham group (0.5±0.22), in addition to a higher wet weight (0.45±0.06 vs 0.13±0.01 g/cm of colon, respectively) and MPO activity (73.5±10.2 vs 13.6±2.6 UMPO/mg tissue, respectively).