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Nucleus. 2010 Mar-Apr;1(2):166-78. doi: 10.4161/nucl.1.2.11176. Epub 2009 Dec 29.

The cellular response to DNA damage: a focus on MDC1 and its interacting proteins.

Author information

1
Department of Genetics, The Alexander Silberman Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel.

Abstract

The DNA damage response (DDR) is comprised of a network of proteins that respond to DNA damage. Mediator of DNA Damage Checkpoint 1 (MDC1) plays an early and important role in the DDR. Recent data show that MDC1 binds multiple proteins that participate in various aspects of the DDR, positioning it at the core of the DDR. Furthermore, interactions with non-DDR proteins were also revealed, suggesting novel roles for MDC1.In this review we provide a comprehensive overview of all known MDC1-binding proteins and discuss their role. We present these binding partners according to their function, thereby providing the reader with a detailed and updated overview of the cellular response to DNA damage. We discuss more recent findings in detail and conclude by presenting the challenges the field faces in the future.

KEYWORDS:

DNA damage response; DNA repair; MDC1; double-strand breaks; genomic stability; phosphorylation; ubiquitination

PMID:
21326949
PMCID:
PMC3030693
DOI:
10.4161/nucl.1.2.11176
[Indexed for MEDLINE]
Free PMC Article
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