Cited by 359BRCA gene mutations in cancerDNA Repair MechanismsPARP inhibition in cancer therapy

Genetic Analysis of BRCA1 Function in a Defined Tumor Cell Line

Open access
Scully, Ralph, Ganesan, Shridar, Vlasakova, Katerina, Chen, Junjie, Socolovsky, Merav, Livingston, David M·1999·Molecular Cell

Abstract

Retrovirally expressed, wild-type BRCA1 decreased the gamma radiation (IR) sensitivity and increased the efficiency of double-strand DNA break repair (DSBR) of the BRCA1-/- human breast cancer line, HCC1937. It also reduced its susceptibility to DSB generation by IR. By contrast, multiple, clinically validated, missense mutant BRCA1 products were nonfunctional in these assays. These data constitute the basis for a BRCA1 functional assay and suggest that efficient repair of double-strand DNA breaks is linked to BRCA1 tumor suppression function.

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Crossref · 10.1016/s1097-2765(00)80238-5

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42 of 42 references verified0 citation errors · 0 not checkable

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  • A breast cancer cell line expressing truncated BRCA1 lacking functional BRCTs was defective in DNA repair and sensitive to DNA damage, and full-length BRCA1 reversed these defects.

    “Confirming the essential role of the BRCTs for BRCA1’s DNA repair function, a breast cancer cell line that expressed a truncated BRCA1 lacking functional BRCTs was defective in DNA repair and sensitive to DNA damage; defects that were reversed upon complementation with a full-length BRCA1 protein [36].”

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Authors
Scully, R., Ganesan, S., Vlasakova, K., Chen, J., Socolovsky, M., & Livingston, D. M.
Affiliations
  • Harvard University (US)
  • Massachusetts Institute of Technology (US)
Corresponding author
Livingston, David M
Venue
Molecular Cell
Publisher
Elsevier BV
Published
1999-12
Volume
4
Issue
6
Pages
1093-1099
ISSN
1097-2765 (ISSN-L)
OpenAlex
W1976960697
Cited by
359
References
45
Citations by year
2026: 3 · 2025: 3 · 2024: 2 · 2023: 7 · 2022: 6 · 2021: 8 · 2020: 10 · 2019: 8 · 2018: 4 · 2017: 5 · 2016: 8 · 2015: 13 · 2014: 14 · 2013: 13 · 2012: 13
FWCI
11.84
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Heart, Lung, and Blood Institute (P01HL032262, HL-32262)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › BRCA gene mutations in cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Health Sciences › Medicine › Oncology › PARP inhibition in cancer therapy
Keywords
BRCA1, DNA double-strand break repair, radiosensitivity, missense mutations, tumor suppression, retroviral gene expression, functional assays
MeSH terms
Breast Neoplasms, DNA Repair, Female, Genetic Vectors, Humans, Radiation Tolerance, Retroviridae, Tumor Cells, Cultured, Gene Expression Regulation, Neoplastic, Gene Transfer Techniques, BRCA1 Protein

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