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Trends Mol Med. 2005 Apr;11(4):145-8.

BRCA2: breaks, mistakes and failed separations.

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Department of Human Genetics, McGill University, 2300 Tupper Street, A620, Montreal, H3H 1P3, Canada.


BRCA2 was identified in 1995, one year after BRCA1. In terms of knowledge of the function of its product, BRCA2 has remained the less well-characterised gene. Both BRCA1 and BRCA2 are closely implicated in the repair of double-strand breaks in DNA by homologous recombination, but beyond that a function for BRCA2 has been hard to discern. A recent study has extended the function of BRCA2 to the regulation of cell cleavage and separation. Other groups have also shown how BRCA2, RAD51 and DSS1 co-exist in a ménage à trois and how the disruption of any one of the three cohabitants can have disastrous consequences for the cell.

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