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2014 ; 71
(20
): 3951-67
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Functional interplay between ATM/ATR-mediated DNA damage response and DNA repair
pathways in oxidative stress
#MMPMID24947324
Yan S
; Sorrell M
; Berman Z
Cell Mol Life Sci
2014[Oct]; 71
(20
): 3951-67
PMID24947324
show ga
To maintain genome stability, cells have evolved various DNA repair pathways to
deal with oxidative DNA damage. DNA damage response (DDR) pathways, including
ATM-Chk2 and ATR-Chk1 checkpoints, are also activated in oxidative stress to
coordinate DNA repair, cell cycle progression, transcription, apoptosis, and
senescence. Several studies demonstrate that DDR pathways can regulate DNA repair
pathways. On the other hand, accumulating evidence suggests that DNA repair
pathways may modulate DDR pathway activation as well. In this review, we
summarize our current understanding of how various DNA repair and DDR pathways
are activated in response to oxidative DNA damage primarily from studies in
eukaryotes. In particular, we analyze the functional interplay between DNA repair
and DDR pathways in oxidative stress. A better understanding of cellular response
to oxidative stress may provide novel avenues of treating human diseases, such as
cancer and neurodegenerative disorders.