The inflammasome is a central player in the induction of obesity and insulin resistance

Inflammation plays a key role in the pathogenesis of obesity. Chronic overfeeding leads to macrophage infiltration in the adipose tissue, resulting in pro-inflammatory cytokine production. Both microbial and endogenous danger signals trigger assembly of the intracellular innate immune sensor Nlrp3 [NLR family, pyrin domain containing 3] resulting in caspase-1 activation and production of pro-inflammatory cytokines interleukin (IL)-1beta and IL-18. Here, we showed that mice deficient in Nlrp3, ASC [apoptosis-associated speck-like protein containing a CARD; a.k.a PYCARD (PYD and CARD domain containing)] and caspase-1 were resistant to the development of high fat diet-induced obesity, which correlated with protection from obesity-induced insulin resistance. Detailed metabolic and molecular phenotyping demonstrated that the inflammasome controls energy expenditure and adipogenic gene expression during chronic overfeeding. These findings reveal a critical function of the inflammasome in obesity and insulin resistance and suggest inhibition of the inflammasome as a potential therapeutic strategy.

Bibliographic Details

Main Authors:	Stienstra, Rinke, van Diepen, Janna A., Tack, Cees J., Zaki, Mohammad H., van de Veerdonk, Frank L., Perera, Deshani, Neal, Geoff, Hijmans, Anneke, Vroegrijk, Irene O., van den Berg, Sjoerd A., Romijn, Johannes A., Rensen, Patrick C., Joosten, Leo A., Netea, Mihai G., Kanneganti, Thirumala-Devi D.
Format:	Dataset biblioteca
Published:	Wageningen University
Subjects:	Mus musculus,
Online Access:	https://research.wur.nl/en/datasets/the-inflammasome-is-a-central-player-in-the-induction-of-obesity-
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