MtDNA mutations in aging and apoptosis.

Abstract excerpt

There is considerable evidence that the oxidative phosphorylation capacity of human mitochondria declines in various tissues with aging. However, the genetic basis of this phenomenon has not yet been clarified. The occurrence of large deletions in mtDNA from brain, skeletal, and heart muscles and other tissues of old subjects at relatively low levels has been well documented. We discuss their possible functional...

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