Research Article

Impact of Physical Activity on Oxidative Stress Markers in Patients with Metastatic Breast Cancer

Table 3

Change in antioxidant, prooxidant enzymes, and oxidative stress markers, ABLE Trial, 2016-2018.

BiomarkersBaseline ()After 6 months ()a

Antioxidant enzymes
 CAT (μmol.min-1.L-1), mean (SD)34.14 (18.66)37.85 (18.70)0.40
 SOD (μmol.min-1.L-1), mean (SD)9.17 (4.31)9.00 (4.59)0.54
Prooxidant enzymes
 NADPH oxidase leucocytes (μmol.min-1.mg-1 of protein), mean (SD)0.22 (0.06)0.22 (0.06)0.89
 MPO plasma (μmol.min-1.L-1), mean (SD)114.07 (58.03)121.75 (51.49)0.29
 MPO leucocytes (μmol.min-1.mg-1 of prot), mean (SD)15.90 (4.38)15.76 (7.86)0.74
Oxidative stress markers
 8-OHdG (μg.L-1), mean (SD)17.13 (18.16)17.72 (15.42)0.46
 AOPP (μmol.L-1), mean (SD)78.96 (55.20)87.37 (55.88)0.44

aWilcoxon signed-rank test. CAT: catalase; SOD: superoxide dismutase; NADPH: nicotinamide adenine dinucleotide phosphate; MPO: myeloperoxidase; 8-OhdG: 8-hydroxydeoxyguanosine; AOPP: advanced oxidation protein products.