SOD1 and acute kidney injury: Therefore, compared with the control group (NO: 0.65 ± 0.10 μmol/prot; SOD: 24.90 ± 3.27 U/mg prot; T-AOC: 0.62 ± 0.04 nmol/L), RM-AKI group caused significant decrease in the activities of NO (0.32 ± 0.07 μmol/prot, P < 0.01), SOD (14.91 ± 3.91 U/mg prot, P < 0.01) and T-AOC (0.62 ± 0.04 nmol/L, P < 0.01).