DNA Repair in Mammalian Cells

Arrest of transcription at sites of DNA damage represents a strong signal for apoptosis. To overcome the impasse represented by transcription complexes arrested at sites of damage, cells have evolved a specialized nucleotide excision repair (NER) pathway called transcription-coupled DNA repair (TCR)...

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Bibliographic Details
Published in:Cellular and molecular life sciences : CMLS Vol. 66; no. 6; pp. 1010 - 1020
Main Author: Tornaletti, S
Format: Journal Article
Language:English
Published: Basel Basel : Birkhäuser-Verlag 01.03.2009
Springer Nature B.V
Subjects:
Apoptosis
Damage
Deoxyribonucleic acid
DNA
DNA damage
DNA repair
genome
humans
Lesions
Mammalian cells
Nucleotide excision repair
Nucleotides
Transcription
transcription (genetics)
Transcription elongation
ISSN:1420-682X, 1420-9071
Online Access:Get full text
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Summary:Arrest of transcription at sites of DNA damage represents a strong signal for apoptosis. To overcome the impasse represented by transcription complexes arrested at sites of damage, cells have evolved a specialized nucleotide excision repair (NER) pathway called transcription-coupled DNA repair (TCR), dedicated to removal of transcription-blocking lesions from the genome. This repair pathway was discovered in Phil Hanawalt's laboratory 20 years ago, but the mechanistic details are still subject of intense research. This article will review the recent literature on the subject with emphasis on how lesions affect the elongation step of transcription and how the initial steps of TCR occur in human cells. (Part of a Multi-author Review)
Bibliography:http://dx.doi.org/10.1007/s00018-009-8738-x
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ISSN:1420-682X
1420-9071
DOI:10.1007/s00018-009-8738-x