Compared with the room-air control group, the contents of MDA [(2.24+/-0.43) mmol/g vs. (1.57+/-0.31) mmol/g] and the activities of MPO [(1.24+/-0.25) U/g vs. (0.69+/-0.22) U/g] from lung tissue were elevated at 12 hours and 24 hours of hyperoxia exposure, respectively, and they further increased with prolongation of hyperoxia exposure (P<0.05 or P<0.01).
C0242706
Hyperoxia