Figure 8. ADA protected against oxidative stress in CCH rats. The levels of SOD (A), MDA (B), GSH-Px (C) and CAT (D) in the different groups were measured by the commercial kits. All values are expressed as the mean ± SEM (n = 6). **p < 0.01 vs. the sham group; ##p < 0.01 vs. the CCH group.