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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

BRCA1 is associated with a human SWI/SNF-related complex: linking chromatin remodeling to breast cancer.

Germline mutations in the tumor suppressor gene, BRCA1, predispose individuals to breast and ovarian cancers. Using a combination of affinity- and conventional chromatographic techniques, we have isolated a predominant form of a multiprotein BRCA1-containing complex from human cells displaying chromatin-remodeling activity. Mass spectrometric sequencing of components of this complex indicated that BRCA1 is associated with a SWI/SNF-related complex. We show that BRCA1 can directly interact with the BRG1 subunit of the SWI/SNF complex. Moreover, p53- mediated stimulation of transcription by BRCA1 was completely abrogated by either a dominant-negative mutant of BRG1 or the cancer-causing deletion in exon 11 of BRCA1. These findings reveal a direct function for BRCA1 in transcriptional control through modulation of chromatin structure.[1]

References

  1. BRCA1 is associated with a human SWI/SNF-related complex: linking chromatin remodeling to breast cancer. Bochar, D.A., Wang, L., Beniya, H., Kinev, A., Xue, Y., Lane, W.S., Wang, W., Kashanchi, F., Shiekhattar, R. Cell (2000) [Pubmed]
 
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