NKT cells adopt a glutamine-addicted phenotype to regulate their homeostasis and function.


Journal

Cell reports
ISSN: 2211-1247
Titre abrégé: Cell Rep
Pays: United States
ID NLM: 101573691

Informations de publication

Date de publication:
25 10 2022
Historique:
received: 12 10 2021
revised: 19 05 2022
accepted: 26 09 2022
entrez: 26 10 2022
pubmed: 27 10 2022
medline: 29 10 2022
Statut: ppublish

Résumé

Natural killer T (NKT) cells operate distinctly different metabolic programming from CD4 T cells, including a strict requirement for glutamine to regulate cell homeostasis. However, the underlying mechanisms remain unknown. Here, we report that at a steady state, NKT cells have higher glutamine levels than CD4 T cells and that NKT cells increase glutaminolysis on activation. Activated NKT cells use glutamine to fuel the tricarboxylic acid cycle and glutathione synthesis. In addition, glutamine-derived nitrogen enables protein glycosylation via the hexosamine biosynthesis pathway (HBP). Each of these branches of glutamine metabolism seems to be critical for NKT cell homeostasis and mitochondrial functions. Glutaminolysis and HBP differentially regulate interleukin-4 (IL-4) and interferon γ (IFNγ) production. Glutamine metabolism appears to be controlled by AMP-activated protein kinase (AMPK)-mammalian target of rapamycin complex 1 (mTORC1) signaling. These findings highlight a distinct metabolic requirement of NKT cells compared with CD4 T cells, which may have therapeutic implications in the treatment of certain nutrient-restricted diseases.

Identifiants

pubmed: 36288696
pii: S2211-1247(22)01366-3
doi: 10.1016/j.celrep.2022.111516
pmc: PMC9664378
mid: NIHMS1845177
pii:
doi:

Substances chimiques

Interleukin-4 207137-56-2
Glutamine 0RH81L854J
AMP-Activated Protein Kinases EC 2.7.11.31
Interferon-gamma 82115-62-6
Hexosamines 0
TOR Serine-Threonine Kinases EC 2.7.11.1
Mechanistic Target of Rapamycin Complex 1 EC 2.7.11.1
Nitrogen N762921K75
Glutathione GAN16C9B8O

Types de publication

Journal Article Research Support, Non-U.S. Gov't Research Support, N.I.H., Extramural

Langues

eng

Sous-ensembles de citation

IM

Pagination

111516

Subventions

Organisme : NIAID NIH HHS
ID : R01 AI148289
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA248160
Pays : United States
Organisme : NIAID NIH HHS
ID : R01 AI121156
Pays : United States
Organisme : NIDDK NIH HHS
ID : U24 DK097153
Pays : United States
Organisme : NCI NIH HHS
ID : R37 CA237421
Pays : United States

Informations de copyright

Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved.

Déclaration de conflit d'intérêts

Declaration of interests C.A.L. has received consulting fees from Astellas Pharmaceuticals and Odyssey Therapeutics and is an inventor on patents pertaining to K-Ras-regulated metabolic pathways and redox-control pathways in cancer and targeting the glutamic-oxaloacetic transaminase 1 (GOT1) pathway as a therapeutic approach.

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Auteurs

Ajay Kumar (A)

Department of Microbiology and Immunology, University of Michigan Medical School, 5641 Medical Science Building II, Ann Arbor, MI 48109, USA. Electronic address: ajkumar@umich.edu.

Emily L Yarosz (EL)

Immunology Graduate Program, University of Michigan Medical School, Ann Arbor, MI 48109, USA.

Anthony Andren (A)

Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI 48109, USA.

Li Zhang (L)

Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI 48109, USA.

Costas A Lyssiotis (CA)

Immunology Graduate Program, University of Michigan Medical School, Ann Arbor, MI 48109, USA; Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI 48109, USA; Department of Internal Medicine, Division of Gastroenterology and Hepatology, University of Michigan Medical School, Ann Arbor, MI 48109, USA; Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, MI 48109, USA.

Cheong-Hee Chang (CH)

Department of Microbiology and Immunology, University of Michigan Medical School, 5641 Medical Science Building II, Ann Arbor, MI 48109, USA; Immunology Graduate Program, University of Michigan Medical School, Ann Arbor, MI 48109, USA. Electronic address: heechang@umich.edu.

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