Table 3.
Concentrations of MDA and activities of antioxidant enzymes in the cancerous and noncancerous tissues of patients with adenocarcinoma and squamous cell carcinoma.
| Parameters | Adenocarcinoma | Squamous cell carcinoma | ||||
|---|---|---|---|---|---|---|
| Tumor | Adjacent noncancerous tissue | p value | Tumor | Adjacent noncancerous tissue | p value | |
| MDA (μmol/g) | 0.57 ± 0.44 | 0.47 ± 0.18 | NS | 0.74 ± 0.93 | 0.47 ± 0.13 | NS |
| SOD (NU/mg) | 16.88 ± 3.77 | 17.28 ± 5.31 | NS | 15.98 ± 4.08 | 19.15 ± 4.02 | 0.008 |
| MnSOD (NU/mg) | 11.2 ± 4.0 | 10.4 ± 4.31 | NS | 9.34 ± 4.53 | 11.7 ± 3.61 | 0.04 |
| Cu/ZnSOD (NU/mg) | 5.76 ± 4.29 | 6.86 ± 2.6 | NS | 6.69 ± 4.28 | 7.44 ± 1.78 | NS |
| CAT (IU/g) | 45.4 ± 24.93 | 130.64 ± 50.2 | <0.001 | 51.85 ± 41.84 | 130.42 ± 50.7 | <0.001 |
| GPx (IU/g) | 10.75 ± 7.54 | 5.95 ± 2.47 | 0.04 | 7.58 ± 5.52 | 5.4 ± 2.73 | 0.05 |
| GST (IU/g) | 3.14 ± 2.16 | 1.5 ± 1.3 | 0.04 | 4.14 ± 3.91 | 1.60 ± 0.95 | 0.002 |
| GR (IU/g) | 28.43 ± 16.36 | 8.94 ± 3.39 | <0.001 | 26.88 ± 25.51 | 10.31 ± 5.89 | 0.002 |
NS—not significant.