Article
Lack of the DNA glycosylases MYH and OGG1 in the cancer prone double mutant mouse does not increase mitochondrial DNA mutagenesis.
DNA repair - 1 Mar 2012
Halsne Ruth, Esbensen Ying, Wang Wei, Scheffler Katja, Suganthan Rajikala, Bjørås Magnar, Eide Lars
Abstract excerpt
Reactive oxygen species (ROS) are formed as natural byproducts during aerobic metabolism and readily induce premutagenic base lesions in the DNA. The 8-oxoguanine DNA glycosylase (OGG1) and MutY homolog 1 (MYH) synergistically prevent mutagenesis and cancer formation in mice. Their localization in the mitochondria as well as in the nucleus suggests that mutations in mitochondrial DNA (mtDNA) contribute to the...
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