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J Mol Med (Berl). 2003 Nov;81(11):700-7. Epub 2003 Sep 9.

BRCA1 and p53: compensatory roles in DNA repair.

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Department of Medicine, School of Medicine, Stanford University, 269 Campus Drive, Stanford, CA 94305, USA.


The BRCA1 breast cancer susceptibility gene has been implicated in many cellular processes, yet its specific mechanism of tumor suppression remains unclear. BRCA1 plays a role in several DNA repair pathways including nucleotide excision repair (NER). Loss of the p53 tumor suppressor gene, a key regulator of NER, is an important and necessary event in the pathogenesis of BRCA1-mutated tumors. Here we discuss the role of BRCA1 and NER in breast cancer and the interactions of BRCA1 with p53 in breast tumorigenesis and suggest approaches for risk assessment and chemotherapeutic management of BRCA1-related breast cancer.

[Indexed for MEDLINE]

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