Cited by 364DNA Repair MechanismsBRCA gene mutations in cancerPARP inhibition in cancer therapy

Roles of BRCA1 and BRCA2 in homologous recombination, DNA replication fidelity and the cellular response to ionizing radiation

Powell, Simon N, Kachnic, Lisa A·2003·Oncogene

Abstract

Inheritance of one defective copy of either of the two breast cancer susceptibility genes, BRCA1 and BRCA2, predisposes individuals to breast and ovarian cancers. Current progress in determining the function of these genes suggests that they participate in a common pathway to facilitate orderly homologous recombination and thereby maintain genomic integrity. As a consequence of this defect in homologous recombination, tumors that arise in BRCA carriers are likely to be more sensitive to ionizing radiation. This review summarizes recent investigations about the nature of the defect in DNA repair, and highlights the unanswered questions about the tumor suppressor paradox of BRCA genes. The unsolved mystery is the other genetic changes that must occur to turn a BRCA-deficient cell from a nonviable cell into a tumor cell capable of endless growth.

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Crossref · 10.1038/sj.onc.1206678

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64 of 64 references verified0 citation errors · 0 not checkable

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Authors
Powell, S. N., & Kachnic, L. A.
Affiliations
  • Massachusetts General Hospital (US)
  • Boston Medical Center (US)
Corresponding author
Powell, Simon N
Venue
Oncogene
Published
2003-08-28
Volume
22
Issue
37
Pages
5784-5791
ISSN
  • 0950-9232 (ISSN-L)
  • 1476-5594
OpenAlex
W2115808409
Cited by
364
References
65
Citations by year
2026: 5 · 2025: 10 · 2024: 11 · 2023: 14 · 2022: 29 · 2021: 17 · 2020: 21 · 2019: 14 · 2018: 23 · 2017: 17 · 2016: 19 · 2015: 12 · 2014: 12 · 2013: 20 · 2012: 14
FWCI
1.46
Type
journal article
Language
en
Open access
closed
Locations
  • Oncogene (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › BRCA gene mutations in cancer
  • Health Sciences › Medicine › Oncology › PARP inhibition in cancer therapy
Keywords
BRCA1, BRCA2, homologous recombination, DNA replication fidelity, radiosensitivity, DNA repair, genome stability, breast cancer susceptibility, ovarian cancer susceptibility, tumor initiation
MeSH terms
DNA Replication, Humans, Neoplasms, Radiation, Ionizing, Recombination, Genetic, Apoptosis, Genes, BRCA1, Genes, BRCA2

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