Cited by 351DNA Repair MechanismsCRISPR and Genetic EngineeringGenomics and Chromatin Dynamics

Chromosomal Translocations in Human Cells Are Generated by Canonical Nonhomologous End-Joining

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Ghezraoui, Hind, Piganeau, Marion, Renouf, Benjamin, Renaud, Jean-Baptiste, Sallmyr, Annahita, Ruis, Brian, Oh, Sehyun, Tomkinson, Alan E. +4 more·2014·Molecular Cell

Abstract

Breakpoint junctions of the chromosomal translocations that occur in human cancers display hallmarks of nonhomologous end-joining (NHEJ). In mouse cells, translocations are suppressed by canonical NHEJ (c-NHEJ) components, which include DNA ligase IV (LIG4), and instead arise from alternative NHEJ (alt-NHEJ). Here we used designer nucleases (ZFNs, TALENs, and CRISPR/Cas9) to introduce DSBs on two chromosomes to study translocation joining mechanisms in human cells. Remarkably, translocations were altered in cells deficient for LIG4 or its interacting protein XRCC4. Translocation junctions had significantly longer deletions and more microhomology, indicative of alt-NHEJ. Thus, unlike mouse cells, translocations in human cells are generated by c-NHEJ. Human cancer translocations induced by paired Cas9 nicks also showed a dependence on c-NHEJ, despite having distinct joining characteristics. These results demonstrate an unexpected and striking species-specific difference for common genomic rearrangements associated with tumorigenesis.

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Crossref · 10.1016/j.molcel.2014.08.002

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  • Paired nicking by a Cas9 nickase at two target sites on opposite strands can significantly increase target specificity because off-target single nicks are faithfully repaired.

    “form of Cas9 that generates single-stranded break rather than DSB) to generate paired nicks on the two strands of target sequence can significantly increase target specificity because off-target single nicks are faithfully repaired.51”

    From CRISPR-Cas9: a new and promising player in gene therapy (2015) · cites this paper as [51]

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Authors
Ghezraoui, H., Piganeau, M., Renouf, B., Renaud, J.-B., Sallmyr, A., Ruis, B., Oh, S., Tomkinson, A. E., Hendrickson, E. A., Giovannangeli, C., Jasin, M., & Brunet, E.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • University of New Mexico (US)
  • University of Minnesota (US)
  • Memorial Sloan Kettering Cancer Center (US)
Corresponding author
  • Jasin, Maria
  • Brunet, Erika
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2014-09
Volume
55
Issue
6
Pages
829-842
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2080290623
Cited by
351
References
68
Citations by year
2026: 11 · 2025: 14 · 2024: 27 · 2023: 24 · 2022: 29 · 2021: 26 · 2020: 33 · 2019: 31 · 2018: 33 · 2017: 38 · 2016: 43 · 2015: 40 · 2014: 2
FWCI
16.80
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Agence Nationale de la Recherche (ANR-12, ANR-12-JSV6-0005)
  • Ligue Contre le Cancer
  • Muséum National d'Histoire Naturelle
  • National Institutes of Health (GM047251)
  • National Cancer Institute (CA15446, P30CA118100, P01CA092584)
  • National Institute of General Medical Sciences (R01GM047251, GM047251, R01GM088351, GM088351, R01GM054668, GM054668)
  • National Institute of Environmental Health Sciences (ES012512, R01ES012512)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
chromosomal translocation, non-homologous end joining, alternative NHEJ, DNA ligase IV, XRCC4, breakpoint junctions, microhomology, DNA double-strand breaks, designer nucleases, CRISPR/Cas9, species differences, human cells
MeSH terms
DNA Ligase ATP, Animals, Chromosomes, Human, Deoxyribonucleases, DNA-Binding Proteins, Humans, DNA Ligases, Species Specificity, Translocation, Genetic, Tumor Cells, Cultured, Sequence Deletion, Mice, DNA End-Joining Repair

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