Cited by 6,092DNA Repair MechanismsEffects of Radiation ExposureCancer-related Molecular Pathways

The DNA-damage response in human biology and disease

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Jackson, Stephen P., Bartek, Jiri·2009·Nature

Abstract

The prime objective for every life form is to deliver its genetic material, intact and unchanged, to the next generation. This must be achieved despite constant assaults by endogenous and environmental agents on the DNA. To counter this threat, life has evolved several systems to detect DNA damage, signal its presence and mediate its repair. Such responses, which have an impact on a wide range of cellular events, are biologically significant because they prevent diverse human diseases. Our improving understanding of DNA-damage responses is providing new avenues for disease management.

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  • These DNA damage response foci mark individual damage sites and help enforce checkpoint arrest until damage is repaired.

    “These foci mark individual sites of DNA damage and contribute to checkpoint enforcement and cell cycle arrest, until damage has been repaired”

    From Cellular senescence in ageing: from mechanisms to therapeutic opportunities (2021) · cites this paper as [21]

    In “DNA-damage signaling and cell-cycle checkpoints” (page unavailable), the paper describes DDR factors recruited at double-strand-break sites and signaling that slows or arrests the cell cycle to allow repair. It also says normal cell functioning resumes after effective repair. Our copy does not establish that the foci themselves mark individual damage sites or enforce the checkpoint. (LLM, conf=0.83)

    Experimental — accuracy not yet measured
  • Some DNA damage response factors accumulate at damage sites and form nuclear foci containing H2AX phosphorylation and associated proteins such as MDC1, 53BP1 and activated ATM.

    “Some DDR factors accumulate at sites of DNA damage and form cytologically detectable nuclear foci composed of extended chromatin modification events, such as the phosphorylation of histone H2AX, and the proteins associated with them, including MDC1, 53BP1 and the activated form of the kinase ataxia telangiectasia mutated (ATM)21”

    From Cellular senescence in ageing: from mechanisms to therapeutic opportunities (2021) · cites this paper as [21]

    The DNA-damage signaling and cell-cycle checkpoints section (page unavailable) describes H2AX phosphorylation on chromatin flanking double-strand breaks, recruitment of DDR factors, and ATM recruitment and activation at breaks. It does not identify MDC1 or 53BP1 among those factors or state that they form cytologically detectable nuclear foci with activated ATM. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • Two variants of canonical NHEJ exist, Ku-independent MMEJ and AEJ, and their activity is connected with sequence deletions.

    “Two variants of canonical NHEJ pathway exist—Ku-independent NHEJ pathway microhomology-mediated end-joining (MMEJ) and alternative end-joining (AEJ)—but their activity is connected with sequence deletions [4].”
  • The DNA damage response pathway is important for keeping the genome stable and preventing cancer.

    “The DNA damage response (DDR) pathway plays a critical role in maintaining genomic stability and preventing carcinogenesis [1].”
  • Defects in DSB repair can cause cell cycle arrest, apoptosis or genomic aberrations and have been linked to disease progression and premature aging phenotypes.

    “Defects in DSB repair can result in cell cycle arrest, apoptosis or genomic aberrations and have been linked to both disease progression and a premature onset of aging phenotypes (2,3).”

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Authors
Jackson, S. P., & Bartek, J.
Affiliations
University of Cambridge (GB)
Corresponding author
Jackson, Stephen P.
Venue
Nature
Published
2009-10-22
Volume
461
Issue
7267
Pages
1071-1078
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2145200068
Cited by
6,092
References
106
Citations by year
2026: 344 · 2025: 369 · 2024: 417 · 2023: 469 · 2022: 489 · 2021: 511 · 2020: 448 · 2019: 416 · 2018: 344 · 2017: 402 · 2016: 381 · 2015: 338 · 2014: 310 · 2013: 279 · 2012: 241
FWCI
14.66
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
Funders
  • National Foundation for Cancer Research
  • Wellcome Trust
  • Cancer Research UK (A5290)
  • European Commission
  • Danmarks Grundforskningsfond
  • Dansk Kræftforsknings Fond
  • Biotechnology and Biological Sciences Research Council
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Effects of Radiation Exposure
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
Keywords
DNA damage response, DNA repair, DNA damage detection, ionizing radiation, environmental chemicals, endogenous DNA damage, signal transduction, disease prevention, genotoxicity
MeSH terms
Cell Cycle, Disease, DNA Damage, DNA Repair, Humans, Signal Transduction, Genome, Human

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