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Table 2 Activities (mean + SE) of superoxide dismutase (SOD, units/mg protein), catalase (CAT, μmol H2O2decomposed/min/mg protein) and glutathione peroxidase (GPX, μmol β-NADP oxidized/g protein) in the tumors, livers and colon of groups of mice fed diets containing either 5% CO or 3% FOC and 2% CO with or without 2000 IU Vitamin E/kg diet for two weeks.

From: Role of lipid peroxidation and antioxidant enzymes in omega 3 fatty acids induced suppression of breast cancer xenograft growth in mice

Diet type n SOD GPX CAT
Tumor
5% CO 3 10.0 ± 3.2 131 ± 24a 20 ± 6
5% CO + E 3 17.4 ± 7.2 118 ± 17a 40 ± 17
3% FOC 4 9.0 ± 2.3 60 ± 23a 28 ± 7
3% FOC + E 3 14.1 ± 1.9 13 ± 9b 30 ± 10
Liver
5% CO 3 214 ± 44 358 ± 36 531 ± 28
5% CO + E 3 159 ± 16 301 ± 65 535± 12
3% FOC 4 156 ± 39 308 ± 73 579 ± 22
3% FOC + E 3 87 ± 10 331 ± 96 587 ± 67
Colon
5% CO 3 4.8 ± 0.4 325 ± 59 28 ± 13
5% CO + E 3 11.5 ± 1.5 220 ± 38 35 ± 14
3% FOC 4 2.2 ± 0.6 172 ± 53 21 ± 5
3% FOC + E 3 10.5 ± 3.6 199 ± 42 33 ± 9
  1. a One way ANOVA followed by an SNK multiple comparison test indicated that the mean GPX in the tumors of groups that share a superscript were not significantly different (p < 0.05). There were no other significant differences.