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Degradation-linked ubiquitin signal and proteasome are integral components of DNA double strand break repair: New perspectives for anti-cancer therapy


Ramadan, K; Meerang, M (2011). Degradation-linked ubiquitin signal and proteasome are integral components of DNA double strand break repair: New perspectives for anti-cancer therapy. FEBS Letters, 585(18):2868-2875.

Abstract

Damaged DNA leads to genomic instability that causes many diseases such as cancer. Cells evolved the DNA damage response (DDR), which recognizes and efficiently repairs damaged DNA through the action of highly coordinated signalling mechanisms. Recently, a non-degradation-linked Lys(K)63-ubiquitin signal emerged as a signalling pathway essential for orchestration of the DDR after DNA double strand breaks (DSBs). How the ubiquitin-dependent proteasomal degradation system (UPS) coordinates DDR after DSBs is still poorly understood. Here, we review the evidence, suggesting the involvement of the degradation-linked K48-ubiquitin signal and the proteasome at the sites of DSBs. Based on this we propose the UPS as a central element in the orchestration of the DDR at the sites of DSBs. The suggested model is also discussed in the context of anti-cancer therapy.

Abstract

Damaged DNA leads to genomic instability that causes many diseases such as cancer. Cells evolved the DNA damage response (DDR), which recognizes and efficiently repairs damaged DNA through the action of highly coordinated signalling mechanisms. Recently, a non-degradation-linked Lys(K)63-ubiquitin signal emerged as a signalling pathway essential for orchestration of the DDR after DNA double strand breaks (DSBs). How the ubiquitin-dependent proteasomal degradation system (UPS) coordinates DDR after DSBs is still poorly understood. Here, we review the evidence, suggesting the involvement of the degradation-linked K48-ubiquitin signal and the proteasome at the sites of DSBs. Based on this we propose the UPS as a central element in the orchestration of the DDR at the sites of DSBs. The suggested model is also discussed in the context of anti-cancer therapy.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Institute of Veterinary Pharmacology and Toxicology
Dewey Decimal Classification:570 Life sciences; biology
Scopus Subject Areas:Life Sciences > Biophysics
Life Sciences > Structural Biology
Life Sciences > Biochemistry
Life Sciences > Molecular Biology
Life Sciences > Genetics
Life Sciences > Cell Biology
Language:English
Date:2011
Deposited On:28 Feb 2012 09:20
Last Modified:23 Jan 2022 21:23
Publisher:Elsevier
ISSN:0014-5793
OA Status:Closed
Publisher DOI:https://doi.org/10.1016/j.febslet.2011.04.046
PubMed ID:21536036