Article
Mitochondrial DNA mutations may contribute to aging via cell death caused by peptides that induce cytochrome c release.
Rejuvenation research - 1 Jun 2008
Dubec Steven J, Aurora Rajeev, Zassenhaus H Peter
Abstract excerpt
Mice wherein the wild-type mitochondrial DNA polymerase (pol gamma) is replaced by a proofreading-deficient version are born with mutation frequencies in mitochondrial DNA (mtDNA) much higher than are ever normally seen in old rodents or humans. These mice, however, are phenotypically normal at birth, raising the question regarding how the much lower frequencies observed in normal aging could possibly contribute...
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