Cited by 946PARP inhibition in cancer therapyBRCA gene mutations in cancerOvarian cancer diagnosis and treatment

Homologous Recombination Deficiency: Exploiting the Fundamental Vulnerability of Ovarian Cancer

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Konstantinopoulos, Panagiotis A., Ceccaldi, Raphael, Shapiro, Geoffrey I., D'Andrea, Alan D.·2015·Cancer Discovery

Abstract

Approximately 50% of epithelial ovarian cancers (EOC) exhibit defective DNA repair via homologous recombination (HR) due to genetic and epigenetic alterations of HR pathway genes. Defective HR is an important therapeutic target in EOC as exemplified by the efficacy of platinum analogues in this disease, as well as the advent of PARP inhibitors, which exhibit synthetic lethality when applied to HR-deficient cells. Here, we describe the genotypic and phenotypic characteristics of HR-deficient EOCs, discuss current and emerging approaches for targeting these tumors, and present challenges associated with these approaches, focusing on development and overcoming resistance. Significance: Defective DNA repair via HR is a pivotal vulnerability of EOC, particularly of the high-grade serous histologic subtype. Targeting defective HR offers the unique opportunity of exploiting molecular differences between tumor and normal cells, thereby inducing cancer-specific synthetic lethality; the promise and challenges of these approaches in ovarian cancer are discussed in this review. Cancer Discov; 5(11); 1137–54. ©2015 AACR.

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  1. [16]Integrated genomic analyses of ovarian carcinoma Nature 2012 474 609 15 PMC3163504 21720365

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Authors
Konstantinopoulos, P. A., Ceccaldi, R., Shapiro, G. I., & D'Andrea, A. D.
Affiliations
  • Harvard University (US)
  • 2Center for DNA Damage and Repair, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts.
Corresponding author
Konstantinopoulos, Panagiotis A.
Venue
Cancer Discovery
Published
2015-11-01
Volume
5
Issue
11
Pages
1137-1154
ISSN
  • 2159-8274 (ISSN-L)
  • 2159-8290
OpenAlex
W2179105349
Cited by
945
References
180
Citations by year
2026: 67 · 2025: 97 · 2024: 109 · 2023: 126 · 2022: 115 · 2021: 102 · 2020: 100 · 2019: 74 · 2018: 74 · 2017: 54 · 2016: 27
FWCI
5.56
Type
journal article
Language
en
Open access
Locations
  • Cancer Discovery (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Cancer Institute (R01CA090687, UM1CA186709, P50CA168504)
Topics
  • Health Sciences › Medicine › Oncology › PARP inhibition in cancer therapy
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › BRCA gene mutations in cancer
  • Health Sciences › Medicine › Reproductive Medicine › Ovarian cancer diagnosis and treatment
Keywords
homologous recombination deficiency, epithelial ovarian cancer, DNA repair deficiency, PARP inhibitors, synthetic lethality, platinum analogues, high-grade serous ovarian cancer, drug resistance, targeted therapy
MeSH terms
Carcinoma, Ovarian Epithelial, Animals, Antineoplastic Combined Chemotherapy Protocols, Clinical Trials as Topic, DNA Repair, Female, Humans, Neoplasms, Glandular and Epithelial, Ovarian Neoplasms, Phenotype, Genetic Variation, Signal Transduction, Biomarkers, Gene Expression Regulation, Neoplastic, Treatment Outcome, Drug Resistance, Neoplasm, Molecular Targeted Therapy, Homologous Recombination

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