Cited by 1,737Immune Response and InflammationCell death mechanisms and regulationPhagocytosis and Immune Regulation

How dying cells alert the immune system to danger

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Kono, Hajime, Rock, Kenneth L.·2008·Nature Reviews Immunology

Abstract

When a cell dies in vivo, the event does not go unnoticed. The host has evolved mechanisms to detect the death of cells and rapidly investigate the nature of their demise. If cell death is a result of natural causes - that is, it is part of normal physiological processes - then there is little threat to the organism. In this situation, little else is done other than to remove the corpse. However, if cells have died as the consequence of some violence or disease, then both defence and repair mechanisms are mobilized in the host. The importance of these processes to host defence and disease pathogenesis has only been appreciated relatively recently. This article reviews our current knowledge of these processes.

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Crossref · 10.1038/nri2215

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127 of 127 references verified0 citation errors · 0 not checkable

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  • DNA released from damaged cells can trigger sterile inflammation via TLR9.

    “Therefore, DNA released from damaged cells can also trigger sterile inflammation via TLR9,315 making TLR9 an important sensor in neurodegeneration.”

    From Role of neuroinflammation in neurodegeneration development (2023) · cites this paper as [315]

    The paper’s table of intracellular DAMPs (indexed as Abstract; page unavailable) lists chromatin/nucleosomes/DNA as proinflammatory and TLR9 as a potential receptor, but specifies involvement with a B-cell or Fc receptor. The “Genomic dsDNA” passage (also indexed as Abstract) says mammalian DNA can stimulate immune cells, while noting that its activity was not entirely due to TLR9. Thus the paper supports a possible link, not the unqualified claim that DNA from damaged cells triggers sterile inflammation via TLR9; the citation precedes the separate neurodegeneration inference. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • The consequence of PRR-DAMP binding is sterile inflammation.

    “The consequence of PRR-DAMP binding is sterile inflammation (Kono and Rock, 2008;Rock et al, 2010).”
  • DAMPs have been identified by their ability to induce inflammatory responses in vitro and/or in vivo when purified and by the observed reduction in inflammation when they are selectively depleted.

    “DAMPs have been identified by their ability to induce inflammatory responses in vitro and/orin vivo when purified and by the observed reduction in inflammation when they are selectively depleted17.”

    From Sterile inflammation: sensing and reacting to damage (2010) · cites this paper as [17]

  • Several endogenous molecules released from necrotic cells or present in the extracellular matrix have been reported to activate TLRs.

    “Indeed, several endogenous molecules that are released from necrotic cells or are present in the extracellular matrix have been reported to activate TLRs.”

    From Sterile inflammation: sensing and reacting to damage (2010) · cites this paper as [17]

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Authors
Kono, H., & Rock, K. L.
Affiliations
University of Massachusetts Chan Medical School (US)
Venue
Nature Reviews Immunology
Published
2008-03-14
Volume
8
Issue
4
Pages
279-289
ISSN
  • 1474-1733 (ISSN-L)
  • 1474-1741
OpenAlex
W2055132644
Cited by
1,737
References
127
Citations by year
2026: 51 · 2025: 55 · 2024: 74 · 2023: 68 · 2022: 81 · 2021: 81 · 2020: 84 · 2019: 82 · 2018: 109 · 2017: 115 · 2016: 117 · 2015: 129 · 2014: 135 · 2013: 120 · 2012: 140
FWCI
7.27
Type
journal article
Language
en
Open access
Locations
  • Nature reviews. Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Institutional Repositories DataBase (IRDB) (submittedVersion, cc-by-nc-nd)
Funders
  • Kanae Foundation for the Promotion of Medical Science
  • National Institutes of Health
  • National Institute of Allergy and Infectious Diseases (P01AI057784, R01AI043543)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Life Sciences › Immunology and Microbiology › Immunology › Phagocytosis and Immune Regulation
Keywords
cell death, damage-associated molecular patterns, innate immunity, inflammation, tissue repair, host defense, pathogenesis
MeSH terms
Animals, Humans, Infections, Lymphocyte Activation, Cell Death

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