Manganese superoxide dismutase (MnSOD) polymorphism, alpha-tocopherol supplementation and prostate cancer risk in the alpha-tocopherol, beta-carotene cancer prevention study (Finland).

Abstract excerpt

OBJECTIVE: Manganese superoxide dismutase (MnSOD) is a mitochondrial enzyme that plays a key role in protecting the cell from oxidative damage. A polymorphism in the mitochondrial targeting sequence (a valine to alanine substitution), thought to alter transport of the enzyme into mitochondria, has been associated with increased risk for breast cancer with a more pronounced association among women with low intake...

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