Tumor suppressive effects of MnSOD overexpression may involve imbalance in peroxide generation versus peroxide removal.

Abstract excerpt

Manganese superoxide dismutase (MnSOD) activity is generally lower in cancer cells when compared with their normal cell counterparts. Many studies have shown that replacing the diminished MnSOD activity leads to inhibition of the malignant phenotype. We sought to overexpress MnSOD in a chemically transformed, malignant rat cell line with low endogenous MnSOD activity to determine the effect on the malignant...

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