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Metabolic Regulation of Immune Responses

Metabolic Regulation of Immune Responses The immune system defends against pathogens and maintains tissue homeostasis for the life of the organism. These diverse functions are bioenergetically expensive, requiring precise control of cellular metabolic pathways. Although initial observations in this area were made almost a century ago, studies over the past decade have elucidated the molecular basis for how extracellular signals control the uptake and catabolism of nutrients in quiescent and activated immune cells. Collectively, these studies have revealed that the metabolic pathways of oxidative metabolism, glycolysis, and glutaminolysis preferentially fuel the cell fate decisions and effector functions of immune cells. Here, we discuss these findings and provide a general framework for understanding how metabolism fuels and regulates the maturation of immune responses. A better understanding of the metabolic checkpoints that control these transitions might provide new insights for modulating immunity in infection, cancer, or inflammatory disorders. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annual Review of Immunology Annual Reviews

Metabolic Regulation of Immune Responses

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References (130)

Publisher
Annual Reviews
Copyright
Copyright © 2014 by Annual Reviews. All rights reserved
ISSN
0732-0582
eISSN
1545-3278
DOI
10.1146/annurev-immunol-032713-120236
pmid
24655299
Publisher site
See Article on Publisher Site

Abstract

The immune system defends against pathogens and maintains tissue homeostasis for the life of the organism. These diverse functions are bioenergetically expensive, requiring precise control of cellular metabolic pathways. Although initial observations in this area were made almost a century ago, studies over the past decade have elucidated the molecular basis for how extracellular signals control the uptake and catabolism of nutrients in quiescent and activated immune cells. Collectively, these studies have revealed that the metabolic pathways of oxidative metabolism, glycolysis, and glutaminolysis preferentially fuel the cell fate decisions and effector functions of immune cells. Here, we discuss these findings and provide a general framework for understanding how metabolism fuels and regulates the maturation of immune responses. A better understanding of the metabolic checkpoints that control these transitions might provide new insights for modulating immunity in infection, cancer, or inflammatory disorders.

Journal

Annual Review of ImmunologyAnnual Reviews

Published: Mar 21, 2014

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