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- W1569495259 abstract "Obesity is characterized by low-grade inflammation of adipose tissue, which promotes insulin resistance and type-2 diabetes. Previous studies have highlighted the role of inflammatory macrophages in the onset of insulin resistance secondary to obesity. Here we explored the role of other players of the immune system in fat inflammation that normally are responsible for guarding against run-away auto-immunity, T regulatory cells. Regulatory CD4+ T cells that express the transcription factor Foxp3 (termed Tregs) are a lymphocyte lineage specialized in controlling immune responses. We report that Tregs with a unique phenotype are highly enriched in the abdominal fat of normal mice, but are strikingly and specifically reduced in insulin-resistant models of obesity. Loss-of-function and gain-of-function experiments demonstrated that Tregs regulate the inflammatory state of adipose tissue as well as insulin resistance. Cytokines differentially synthesized by fat-resident regulatory and conventional T cells directly impacted the synthesis of inflammatory mediators and glucose uptake by cultured adipocytes. In summary, we described a population of tissue specialized Treg cells that may modulate neighboring cells in potentially pathological contexts, which opens the door to harnessing their anti-inflammatory properties to inhibit elements of the metabolic syndrome." @default.
- W1569495259 created "2016-06-24" @default.
- W1569495259 creator A5021156871 @default.
- W1569495259 date "2010-01-30" @default.
- W1569495259 modified "2023-09-26" @default.
- W1569495259 title "A LIAISON BETWEEN THE IMMUNE AND METABOLIC SYSTEMS:FAT REGULATORY T CELLS" @default.
- W1569495259 hasPublicationYear "2010" @default.
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