5-Hydroxyuracil (5-OHU) in DNA, arising during endogenous DNA damage and caused by ionizing radiation, is removed by the base excision repair pathway. However, in addition to base lesions, ionizing radiation also generates DNA single-strand breaks (SSBs). When these DNA lesions are located in the proximity of each other, this may result in a profound effect on both repair of the damaged base and the SSB. We therefore examined the repair of DNA substrates containing 5-OHU lesions in the proxim...Expand abstract
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NEIL1 is the major DNA glycosylase that processes 5-hydroxyuracil in the proximity of a DNA single-strand break.
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