BRCA1 - A good predictive marker of drug sensitivity in breast cancer treatment?

Paul Mullan, J.J. Gorski, Paul Harkin

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)


There are currently only two predictive markers of response to chemotherapy for breast cancer in routine clinical use, namely the Estrogen receptor-alpha and the HER2 receptor. The breast and ovarian cancer susceptibility gene BRCA1 is an important genetic factor in hereditary breast and ovarian cancer and there is increasing evidence of an important role for BRCA1 in the sporadic forms of both cancer types. Our group and numerous others have shown in both preclinical and clinical studies that BRCA1 is an important determinant of chemotherapy responses in breast cancer. In this review we will outline the current understanding of the role of BRCA1 as a determinant of response to DNA damaging and microtubule damaging chemotherapy. We will then discuss how the known functions of this multifaceted protein may provide mechanistic explanations for its role in chemotherapy responses. (c) 2006 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)205-216
Number of pages12
JournalBiochimica et biophysica acta
Issue number2
Publication statusPublished - Dec 2006

ASJC Scopus subject areas

  • Biophysics
  • Cancer Research
  • Medicine(all)
  • Oncology


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