Journal
NATURE CHEMICAL BIOLOGY
Volume 18, Issue 5, Pages 470-481Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41589-022-01017-3
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Funding
- US National Institutes of Health [AI105887, AI131703, AI140761, AI150241, AI150514, CA253188]
- Alliance for Lupus Research grant
- ALSAC
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T cells play a crucial role in immune response and can regulate the development of cancer and autoimmune diseases. Lipid metabolism is a key regulator of T cell function and fate decision, integrating environmental signals and intracellular signaling processes. This article discusses the roles of extracellular, de novo synthesized and membrane lipids in T cell biology, as well as their role as regulators of intracellular signaling. Therapeutic targeting of lipid metabolism and signaling is also summarized, with important future directions discussed.
T cells orchestrate adaptive immunity against pathogens and other immune challenges, but their dysfunction can also mediate the pathogenesis of cancer and autoimmunity. Metabolic adaptation in response to immunological and microenvironmental signals contributes to T cell function and fate decision. Lipid metabolism has emerged as a key regulator of T cell responses, with selective lipid metabolites serving as metabolic rheostats to integrate environmental cues and interplay with intracellular signaling processes. Here, we discuss how extracellular, de novo synthesized and membrane lipids orchestrate T cell biology. We also describe the roles of lipids as regulators of intracellular signaling at the levels of transcriptional, epigenetic and post-translational regulation in T cells. Finally, we summarize therapeutic targeting of lipid metabolism and signaling, and conclude with a discussion of important future directions. Understanding the molecular and functional interplay between lipid metabolism and T cell biology will ultimately inform therapeutic intervention for human disease.
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