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Role of innate and adaptive immunity in obesity-associated metabolic disease
Tracey McLaughlin, … , Lei Shen, Edgar Engleman
Tracey McLaughlin, … , Lei Shen, Edgar Engleman
Published January 3, 2017
Citation Information: J Clin Invest. 2017;127(1):5-13. https://doi.org/10.1172/JCI88876.
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Review Series

Role of innate and adaptive immunity in obesity-associated metabolic disease

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Abstract

Chronic inflammation in adipose tissue, possibly related to adipose cell hypertrophy, hypoxia, and/or intestinal leakage of bacteria and their metabolic products, likely plays a critical role in the development of obesity-associated insulin resistance (IR). Cells of both the innate and adaptive immune system residing in adipose tissues, as well as in the intestine, participate in this process. Thus, M1 macrophages, IFN-γ–secreting Th1 cells, CD8+ T cells, and B cells promote IR, in part through secretion of proinflammatory cytokines. Conversely, eosinophils, Th2 T cells, type 2 innate lymphoid cells, and possibly Foxp3+ Tregs protect against IR through local control of inflammation.

Authors

Tracey McLaughlin, Shelley E. Ackerman, Lei Shen, Edgar Engleman

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