Cited by 386DNA Repair MechanismsBlood disorders and treatmentsPARP inhibition in cancer therapy

Human Fanconi anemia monoubiquitination pathway promotes homologous DNA repair

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Nakanishi, Koji, Yang, Yun-Gui, Pierce, Andrew J., Taniguchi, Toshiyasu, Digweed, Martin, D'Andrea, Alan D., Wang, Zhao-Qi, Jasin, Maria·2005·Proceedings of the National Academy of Sciences

Abstract

Fanconi anemia (FA) is a recessive disorder characterized by congenital abnormalities, progressive bone-marrow failure, and cancer susceptibility. Cells from FA patients are hypersensitive to agents that produce DNA crosslinks and, after treatment with these agents, have pronounced chromosome breakage and other cytogenetic abnormalities. Eight FANC genes have been cloned, and the encoded proteins interact in a common cellular pathway. DNA-damaging agents activate the monoubiquitination of FANCD2, resulting in its targeting to nuclear foci that also contain BRCA1 and BRCA2/FANCD1, proteins involved in homology-directed DNA repair. Given the interaction of the FANC proteins with BRCA1 and BRCA2, we tested whether cells from FA patients (groups A, G, and D2) and mouse Fanca –/– cells with a targeted mutation are impaired for this repair pathway. We find that both the upstream (FANCA and FANCG) and downstream (FANCD2) FA pathway components promote homology-directed repair of chromosomal double-strand breaks (DSBs). The FANCD2 monoubiquitination site is critical for normal levels of repair, whereas the ATM phosphorylation site is not. The defect in these cells, however, is mild, differentiating them from BRCA1 and BRCA2 mutant cells. Surprisingly, we provide evidence that these proteins, like BRCA1 but unlike BRCA2, promote a second DSB repair pathway involving homology, i.e., single-strand annealing. These results suggest an early role for the FANC proteins in homologous DSB repair pathway choice.

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Crossref · 10.1073/pnas.0407796102

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  • The DR-U2OS cell line used in the study carries one integrated copy of the DR-GFP reporter.

    “The DR-U2OS cell line containing a single integrated copy of the DR-GFP reporter was used46,47.”

    From BRCA1–BARD1 promotes RAD51-mediated homologous DNA pairing (2017) · cites this paper as [46]

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Authors
Nakanishi, K., Yang, Y.-G., Pierce, A. J., Taniguchi, T., Digweed, M., D'Andrea, A. D., Wang, Z.-Q., & Jasin, M.
Affiliations
  • Memorial Sloan Kettering Cancer Center (US)
  • Molecular Biology Program, Memorial Sloan–Kettering Cancer Center, 1275 York Avenue, New York, NY 10021; International Agency for Research on Cancer, 150 Cours Albert Thomas, 69008 Lyon, France; Department of Radiation Oncology, Dana–Farber Cancer Institute, Harvard Medical School, 44 Binney Street, Boston, MA 02115; and Institut für Humangenetik, Charite-Campus Virchow-Klinikum, Humboldt Universität zu Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
Corresponding author
Jasin, Maria
Venue
Proceedings of the National Academy of Sciences
Published
2005-01-13
Volume
102
Issue
4
Pages
1110-1115
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2029164849
Cited by
384
References
42
Citations by year
2026: 5 · 2025: 7 · 2024: 11 · 2023: 10 · 2022: 7 · 2021: 15 · 2020: 12 · 2019: 12 · 2018: 11 · 2017: 24 · 2016: 13 · 2015: 25 · 2014: 22 · 2013: 10 · 2012: 26
FWCI
12.67
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Fanconi Anemia Research Fund
  • National Institutes of Health
  • National Cancer Institute (P01-CA94060, P01CA094060)
  • National Institute of General Medical Sciences (R01GM054668, GM54668)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Blood disorders and treatments
  • Health Sciences › Medicine › Oncology › PARP inhibition in cancer therapy
Keywords
Fanconi anemia, FANCD2 monoubiquitination, homology-directed repair, DNA double-strand break repair, single-strand annealing, BRCA1, BRCA2, FANCA, FANCG, ATM phosphorylation, DNA repair pathway choice
MeSH terms
Cell Line, DNA Repair, Humans, Nuclear Proteins, Recombination, Genetic, Ubiquitin, Fanconi Anemia Complementation Group D2 Protein

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