| Age (months) | |||
---|---|---|---|---|
 | 6 ( n = 16) | 12 ( n = 18) | 18 ( n = 12) | 24 ( n = 12) |
SOD1 (U/mg protein) | 19.4 ± 1.3 | 9.1 ± 0.3acd | 30.8 ± 2.5abd | 25.9 ± 1.3 |
SOD2 (U/mg protein) | 5.7 ± 0.5 | 5.7 ± 0.4 | 4.7 ± 0.3 | 3.4 ± 0.1ab |
GPx (U/mg protein) | 1.0 ± 0.2 | 1.1 ± 0.1a | 0.7 ± 0.1abd | 0.9 ± 0.2 |
Catalase (U/mg protein) | 9.3 ± 0.9 | 12.1 ± 1.2a | 8.8 ± 1.2bd | 10.2 ± 0.9 |
Hydrogen Peroxide (μM) | 1.12 ± 0.07 | 1.16 ± 0.04 | 2.42 ± 0.05abd | 1.74 ± 0.06 |
Superoxide (AFU) | 8.1 ± 1.3 | 8.0 ± 0.3 | 8.9 ± 1.1 | 10.0 ± 0.6ab |