Cited by 399Inflammasome and immune disordersGenetics, Aging, and Longevity in Model OrganismsAdipokines, Inflammation, and Metabolic Diseases

Expression of specific inflammasome gene modules stratifies older individuals into two extreme clinical and immunological states

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Furman, David, Chang, Junlei, Lartigue, Lydia, Bolen, Christopher R, Haddad, François, Gaudilliere, Brice, Ganio, Edward A, Fragiadakis, Gabriela K +12 more·2017·Nature Medicine

Abstract

Low-grade, chronic inflammation has been associated with many diseases of aging, but the mechanisms responsible for producing this inflammation remain unclear. Inflammasomes can drive chronic inflammation in the context of an infectious disease or cellular stress, and they trigger the maturation of interleukin-1β (IL-1β). Here we find that the expression of specific inflammasome gene modules stratifies older individuals into two extremes: those with constitutive expression of IL-1β, nucleotide metabolism dysfunction, elevated oxidative stress, high rates of hypertension and arterial stiffness; and those without constitutive expression of IL-1β, who lack these characteristics. Adenine and N 4-acetylcytidine, nucleotide-derived metabolites that are detectable in the blood of the former group, prime and activate the NLRC4 inflammasome, induce the production of IL-1β, activate platelets and neutrophils and elevate blood pressure in mice. In individuals over 85 years of age, the elevated expression of inflammasome gene modules was associated with all-cause mortality. Thus, targeting inflammasome components may ameliorate chronic inflammation and various other age-associated conditions.

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Crossref · 10.1038/nm.4267

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  • Inflammation promotes oxidation through inflammatory mediators.

    “At the same time, inflammation promotes oxidation through inflammatory mediators.205,206”

    From Inflammation and aging: signaling pathways and intervention therapies (2023) · cites this paper as [205]

    The Discussion describes the opposite causal direction: oxidative stress triggers an inflammatory response, including production of inflammatory cytokines. The Results attribute chronic oxidative stress to possible mitochondrial metabolic reprogramming, not to inflammatory mediators. Page numbers are unavailable in our copy. (LLM, conf=0.82)

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  • A shift from short-lived to long-lived inflammation can break immune tolerance and alter tissues, organs, and cellular physiology, raising the risk of non-communicable diseases in both young and older people.

    “Shifts in the inflammatory response from short- to long-lived can cause a breakdown of immune tolerance9,15 and lead to major alterations in all tissues and organs, as well as normal cellular physiology, which can increase the risk for various non-communicable diseases in both young and older individuals1,9–11,15,17–21.”
  • Systemic chronic inflammation often increases with age, as older individuals have higher circulating cytokines, chemokines, acute phase proteins, and inflammatory gene expression.

    “SCI often increases with age30, as indicated by studies showing that older individuals have higher circulating levels of cytokines, chemokines and acute phase proteins, as well as greater expression of genes involved in inflammation1,19,30.”
  • Systemic chronic inflammation is low-grade and persistent and causes collateral damage to tissues and organs over time, including oxidative stress.

    “SCI is low-grade and persistent (as the name suggests) and ultimately causes collateral damage to tissues and organs over time, such as by inducing oxidative stress1,4,9,19.”
  • These altered molecules increase with age and can act as DAMPs that innate immune cells detect, activating the inflammasome machinery, amplifying inflammation, and contributing to inflammaging.

    “These altered molecules, which increase with age19,30, can be recognized as DAMPs by innate immune cells, which in turn activate the inflammasome machinery, amplify the inflammatory response1,30,60 and contribute to a biological state that has been called “inflammaging,””

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Authors
Furman, D., Chang, J., Lartigue, L., Bolen, C. R., Haddad, F., Gaudilliere, B., Ganio, E. A., Fragiadakis, G. K., Spitzer, M. H., Douchet, I., Daburon, S., Moreau, J.-F., Nolan, G. P., Blanco, P., Déchanet-Merville, J., Dekker, C. L., Jojic, V., Kuo, C. J., Davis, M. M., & Faustin, B.
Affiliations
  • Sidra Medical and Research Center (QA)
  • Stanford Medicine (US)
  • Inserm (FR)
  • Centre National de la Recherche Scientifique (FR)
  • University of North Carolina at Chapel Hill (US)
  • Howard Hughes Medical Institute (US)
Corresponding author
  • Furman, David
  • Davis, Mark M
  • Faustin, Benjamin
Venue
Nature Medicine
Published
2017-01-16
Volume
23
Issue
2
Pages
174-184
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W2577141559
Cited by
389
References
53
Citations by year
2026: 13 · 2025: 27 · 2024: 43 · 2023: 47 · 2022: 51 · 2021: 44 · 2020: 52 · 2019: 41 · 2018: 33 · 2017: 37
FWCI
18.64
Type
journal article
Language
en
Open access
Locations
  • Nature Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
  • HAL (submittedVersion, other-oa)
  • UNC Libraries
Funders
  • Ellison Medical Foundation
  • Fondation pour la Recherche Médicale (DEQ20110421287)
  • Ligue Contre le Cancer
  • Institut National Du Cancer
  • National Institutes of Health (AI090019)
  • National Institute of General Medical Sciences (K23GM111657)
  • National Institute of Allergy and Infectious Diseases (U19AI090019, U19AI057229)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
Keywords
inflammasome, IL-1β, NLRC4 inflammasome, aging, chronic inflammation, nucleotide metabolism, adenine, N4-acetylcytidine, oxidative stress, hypertension, arterial stiffness, platelet activation, neutrophils, all-cause mortality, longevity, gene modules
MeSH terms
Adenine, Adult, Aged, Aged, 80 and over, Aging, Animals, Blood Platelets, Blood Pressure, Caffeine, Calcium-Binding Proteins, Cell Line, Cytidine, Female, Humans, Hypertension, Inflammation, Macrophages, Male, Middle Aged, Monocytes, Mortality, Neutrophils, Nucleotides, Phenotype, Regression Analysis, Immunoblotting, Platelet Activation, Cytokines, Neutrophil Activation, Oxidative Stress, Intracellular Signaling Peptides and Proteins, Toll-Like Receptor 5, Toll-Like Receptor 8, Toll-Like Receptor 6, Mice, CARD Signaling Adaptor Proteins, Interleukin-1beta, Interleukin 1 Receptor Antagonist Protein, Metabolomics, Young Adult, Inflammasomes, Purinergic P1 Receptor Antagonists, Carotid Intima-Media Thickness, Vascular Stiffness, Transcriptome, Pulse Wave Analysis

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