IL-37 protects against obesity-induced inflammation and insulin resistance

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Ballak, Dov B., Van Diepen, Janna A., Moschen, Alexander R., Jansen, Henry J., Hijmans, Anneke, Groenhof, Gert-jan, Leenders, Floris, Bufler, Philip, Boekschoten, Mark V., Müller, Michael, Kersten, Sander, Li, Suzhao, Kim, Soohyun, Eini, Hadar, Lewis, Eli C., Joosten, Leo A. B., Tilg, Herbert, Netea, Mihai G., Tack, Cees J., Dinarello, Charles A. and Stienstra, Rinke (2014) IL-37 protects against obesity-induced inflammation and insulin resistance. Nature Communications, 5. ISSN 2041-1723

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Abstract

Cytokines of the IL-1 family are important modulators of obesity-induced inflammation and the development of systemic insulin resistance. Here we show that IL-1 family member IL-37, recently characterized as an anti-inflammatory cytokine, ameliorates obesity-induced inflammation and insulin resistance. Mice transgenic for human IL-37 (IL-37tg) exhibit reduced numbers of adipose tissue macrophages, increased circulating levels of adiponectin and preserved glucose tolerance and insulin sensitivity after 16 weeks of HFD. In vitro treatment of adipocytes with recombinant IL-37 reduces adipogenesis and activates AMPK signalling. In humans, elevated steady-state IL-37 adipose tissue mRNA levels are positively correlated with insulin sensitivity and a lower inflammatory status of the adipose tissue. These findings reveal IL-37 as an important anti-inflammatory modulator during obesity-induced inflammation and insulin resistance in both mice and humans, and suggest that IL-37 is a potential target for the treatment of obesity-induced insulin resistance and type 2 diabetes.

Item Type:	Article
Uncontrolled Keywords:	sdg 3 - good health and well-being ,/dk/atira/pure/sustainabledevelopmentgoals/good_health_and_well_being
Faculty \ School:	Faculty of Medicine and Health Sciences > Norwich Medical School
UEA Research Groups:	Faculty of Medicine and Health Sciences > Research Groups > Nutrition and Preventive Medicine Faculty of Medicine and Health Sciences > Research Groups > Gastroenterology and Gut Biology Faculty of Medicine and Health Sciences > Research Centres > Metabolic Health
Depositing User:	Pure Connector
Date Deposited:	08 Oct 2014 08:46
Last Modified:	06 Feb 2025 05:15
URI:	https://ueaeprints.uea.ac.uk/id/eprint/50453
DOI:	10.1038/ncomms5711

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