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UVSSA and USP7: new players regulating transcription-coupled nucleotide excision repair in human cells.


ABSTRACT: Transcription-coupled nucleotide excision repair (TC-NER) specifically removes DNA damage located in actively transcribed genes. Defects in TC-NER are associated with several human disorders, including Cockayne syndrome (CS) and ultraviolet (UV)-sensitive syndrome (UVSS). Using exome sequencing, and genetic and proteomic approaches, three recent studies have identified mutations in the UVSSA gene as being responsible for UVSS-A. These findings suggest a new mechanistic model involving UV-stimulated scaffold protein A (UVSSA) and the ubiquitin-specific protease 7 (USP7) in the fate of stalled RNA polymerase II during TC-NER, and provide insights into the diverse clinical features of CS and UVSS.

SUBMITTER: Sarasin A 

PROVIDER: S-EPMC3506910 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature

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UVSSA and USP7: new players regulating transcription-coupled nucleotide excision repair in human cells.

Sarasin Alain A  

Genome medicine 20120523 5


Transcription-coupled nucleotide excision repair (TC-NER) specifically removes DNA damage located in actively transcribed genes. Defects in TC-NER are associated with several human disorders, including Cockayne syndrome (CS) and ultraviolet (UV)-sensitive syndrome (UVSS). Using exome sequencing, and genetic and proteomic approaches, three recent studies have identified mutations in the UVSSA gene as being responsible for UVSS-A. These findings suggest a new mechanistic model involving UV-stimula  ...[more]

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