Reneau Youngblood

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A multiply damaged site (MDS) is defined as > or =2 lesions within a distance of 10-15 base pairs (bp). MDS generated by ionizing radiation contain oxidative base damage, and in vitro studies have indicated that if the base damage is <3bp apart, repair of one lesion is inhibited until repair of the lesion in the opposite strand is completed. Inhibition of(More)
Multiply damaged sites (MDSs) are generated in DNA by ionizing radiation. In vitro studies predict that base excision repair in cells will convert MDSs to lethal double strand breaks (DSBs) when two opposing base damages are situated >/=2 bp apart. If the lesions are situated immediately 5' or 3' to each other, repair is predicted to occur sequentially due(More)
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