Mitochondrial superoxide and aging: uncoupling-protein activity and superoxide production.

Abstract

Mitochondria are a major source of superoxide, formed by the one-electron reduction of oxygen during electron transport. Superoxide initiates oxidative damage to phospholipids, proteins and nucleic acids. This damage may be a major cause of degenerative disease and aging. In isolated mitochondria, superoxide production on the matrix side of the membrane is… (More)

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