Article
Ultraviolet radiation exposure accelerates the accumulation of the aging-dependent T414G mitochondrial DNA mutation in human skin.
Aging cell - 1 Aug 2007
Birket Matthew J, Birch-Machin Mark A
Abstract excerpt
The accumulation of mitochondrial DNA (mtDNA) mutations has been proposed as an underlying cause of the aging process. Such mutations are thought to be generated principally through mechanisms involving oxidative stress. Skin is frequently exposed to a potent mutagen in the form of ultraviolet (UV) radiation and mtDNA deletion mutations have previously been shown to accumulate with photoaging. Here we report that...
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