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DNA Repair (Amst). 2004 Aug-Sep;3(8-9):1025-32.

Chk1 in the DNA damage response: conserved roles from yeasts to mammals.

Author information

1
Department of Molecular Genetics, Biochemistry and Microbiology, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA.

Abstract

Chk1 is an evolutionarily conserved protein kinase that functions to ensure genomic integrity upon genotoxic stress. Studies to date have revealed striking similarities among Chk1 pathways of different organisms. In this review we discuss what is known about Chk1 activation and what downstream factors are regulated by Chk1 to counter replication blocks and DNA damage induced by UV, IR, and other genotoxic agents. Where applicable, we also compare the role of Chk1 with that of the Chk2 protein kinase in the checkpoint responses.

PMID:
15279789
DOI:
10.1016/j.dnarep.2004.03.003
[Indexed for MEDLINE]

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