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Oncogene. 2006 Sep 25;25(43):5854-63.

The role of BRCA1 in transcriptional regulation and cell cycle control.

Author information

1
Centre for Cancer Research and Cell Biology, Queen's University Belfast, Lisburn Road Belfast, Northern Ireland, UK.

Abstract

The exact functions of BRCA1 have not been fully described but it now seems apparent that it has roles in DNA damage repair, transcriptional regulation, cell cycle control and most recently in ubiquitylation. These functions of BRCA1 are most likely interdependent but this review will focus on the role of BRCA1 in relation to transcriptional regulation and in particular how this impacts upon cell cycle control. We will (i) describe the structure of BRCA1 and how it may contribute to its transcription function; (ii) describe the interaction of BRCA1 with the core transcriptional machinery (RNA polII); (iii) describe how BRCA1 may regulate transcription at an epigenetic level through chromatin modification; (iv) discuss the role of BRCA1 in modulating transcription through its association with sequence-specific transcription factors. Finally, we will discuss the possible effects of BRCA1 transcriptional regulation on downstream targets with known roles in cell cycle control.

PMID:
16998500
DOI:
10.1038/sj.onc.1209872
[Indexed for MEDLINE]

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