Cited by 4,205Immune Response and InflammationT-cell and B-cell ImmunologyArtificial Immune Systems Applications

The Danger Model: A Renewed Sense of Self

Matzinger, Polly·2002·Science

Abstract

For over 50 years immunologists have based their thoughts, experiments, and clinical treatments on the idea that the immune system functions by making a distinction between self and nonself. Although this paradigm has often served us well, years of detailed examination have revealed a number of inherent problems. This Viewpoint outlines a model of immunity based on the idea that the immune system is more concerned with entities that do damage than with those that are foreign.

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Crossref · 10.1126/science.1071059

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  • Physiological apoptosis is intrinsically tolerogenic, whereas pathological necrosis is inherently immunogenic and elicits inflammatory reactions.

    “The second approach is based on the theory that distinct types of cell death (Box 2) induce different types of immune responses: that physiological cell death (apoptosis) is intrinsically tolerogenic, whereas pathological cell death (necrosis) is inherently immunogenic and elicits inflammatory reactions5.”

    From Immunogenic and tolerogenic cell death (2009) · cites this paper as [5]

  • Danger signals are endogenous signaling molecules that are released in response to 'danger' and activate immune processes to help the organism respond to the adverse event, even in the absence of foreign pathogens.

    “Danger signals are endogenous signaling molecules that are released in response to 'danger' and activate immune processes to help the organism respond to the adverse event, even in the absence of foreign pathogens (Matzinger, 2002).”
  • The inflammasome complex mediates caspase-1 activation.

    “A seminal article that identified the inflammasome complex as the mediator of caspase-1activation.”
  • Pro-caspase-1 is cleaved to the bioactive caspase-1 that cleaves pro-IL-1β to mature IL-1β.

    “Pro-caspase-1 is cleaved to the bioactive caspase-1 that cleaves pro-IL-1β to mature IL-1β.”
  • NLRP3 forms a multiprotein complex with ASC and pro-caspase-1 termed the inflammasome.

    “In turn, NLRP3 forms a multiprotein complex with ASC and pro-caspase-1 termed the inflammasome.”

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Authors
Matzinger, P.
Affiliations
National Institutes of Health (US)
Corresponding author
Matzinger, Polly
Venue
Science
Published
2002-04-12
Volume
296
Issue
5566
Pages
301-305
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2145736817
Cited by
4,205
References
0
Citations by year
2026: 73 · 2025: 52 · 2024: 87 · 2023: 90 · 2022: 119 · 2021: 193 · 2020: 141 · 2019: 148 · 2018: 167 · 2017: 179 · 2016: 191 · 2015: 224 · 2014: 220 · 2013: 224 · 2012: 251
FWCI
48.58
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Physical Sciences › Engineering › Biomedical Engineering › Artificial Immune Systems Applications
Keywords
danger model, immune function, damage-associated molecular patterns, innate immunity, immune tolerance
MeSH terms
Animals, Antigen-Presenting Cells, B-Lymphocytes, Fetus, Humans, Immune System, Immunity, Infections, Neoplasms, Receptors, Cell Surface, Receptors, Immunologic, T-Lymphocytes, Autoimmunity, Self Tolerance, Models, Immunological, Transplantation Tolerance

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