Title : Histones participate in base excision repair of 8-oxodGuo by transiently cross-linking with active repair intermediates in nucleosome core particles.

Pub. Date : 2021 Jan 11

PMID : 33290564






3 Functional Relationships(s)
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1 8-Oxo-7,8-dihydro-2"-deoxyguanosine (8-oxodGuo) is a biomarker of oxidative DNA damage and can be repaired by hOGG1 and APE1 via the base excision repair (BER) pathway. 8-ohdg apurinic/apyrimidinic endodeoxyribonuclease 1 Homo sapiens
2 8-Oxo-7,8-dihydro-2"-deoxyguanosine (8-oxodGuo) is a biomarker of oxidative DNA damage and can be repaired by hOGG1 and APE1 via the base excision repair (BER) pathway. 8-ohdg apurinic/apyrimidinic endodeoxyribonuclease 1 Homo sapiens
3 In this work, we studied coordinated BER of 8-oxodGuo by hOGG1 and APE1 in nucleosome core particles and found that histones transiently formed DNA-protein cross-links (DPCs) with active repair intermediates such as 3"-phospho-alpha,beta-unsaturated aldehyde (PUA) and 5"-deoxyribosephosphate (dRP). 8-ohdg apurinic/apyrimidinic endodeoxyribonuclease 1 Homo sapiens