Chronic inflammation in the etiology of disease across the life span

Abstract

Although intermittent increases in inflammation are critical for survival during physical injury and infection, recent research has revealed that certain social, environmental and lifestyle factors can promote systemic chronic inflammation (SCI) that can, in turn, lead to several diseases that collectively represent the leading causes of disability and mortality worldwide, such as cardiovascular disease, cancer, diabetes mellitus, chronic kidney disease, non-alcoholic fatty liver disease and autoimmune and neurodegenerative disorders. In the present Perspective we describe the multi-level mechanisms underlying SCI and several risk factors that promote this health-damaging phenotype, including infections, physical inactivity, poor diet, environmental and industrial toxicants and psychological stress. Furthermore, we suggest potential strategies for advancing the early diagnosis, prevention and treatment of SCI.

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Fig. 1: Causes and consequences of low-grade systemic chronic inflammation.
Fig. 2: The maternal exposome and low-grade systemic chronic inflammation.
Fig. 3: Inflammatory model of immunosenescence and chronic disease.

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Acknowledgements

This work was made possible by support from the National Institutes of Health (NIH) and the Buck Institute for Research on Aging to D.F., the National Institute on Aging, Glenn and SENS Foundations, and the Buck Institute for Research on Aging to J.C.; the Ministry of Education and Science of the Russian Federation Agreement (074-02-2018-330) and Horizon 2020 Framework Programme (634821, PROPAG-AGING) and JPco-fuND (ADAGE) to C.F.; the Intramural Research Program of the National Institute of Aging, NIH to L.F.; the MRC (UK) and Wellcome Trust to D.W.G.; NIH grant (R01 DK104344) to A.F.; the European Research Commission (PHII-669415), Associazione Italiana Ricerca sul Cancro (Projects IG 19014, 5x1000 9962 and 21147), Fondazione Cariplo, and Italian Ministry of Health to A.M.; NIH grant (P01 AG036695) to T.A.R.; the National Institute on Aging and UCLA AIDS Institute to R.B.E.; the Spanish Ministry of Economy and Competitiveness and Fondos FEDER (PI15/00558 and PI18/00139) to A.L.; and a Society in Science–Branco Weiss Fellowship, NARSAD Young Investigator Grant 23958 from the Brain & Behavior Research Foundation and NIH grant (K08 MH103443) to G.M.S. This work represents the opinion of the authors and does not reflect official NIH policy.

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Peer review information Hannah Stower was the primary editor on this article and managed its editorial process and peer review in collaboration with the rest of the editorial team.

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Furman, D., Campisi, J., Verdin, E. et al. Chronic inflammation in the etiology of disease across the life span. Nat Med 25, 1822–1832 (2019). https://doi.org/10.1038/s41591-019-0675-0

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