Cited by 596PI3K/AKT/mTOR signaling in cancerT-cell and B-cell ImmunologyCancer, Hypoxia, and Metabolism

PDK1 regulation of mTOR and hypoxia-inducible factor 1 integrate metabolism and migration of CD8+ T cells

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Finlay, David K., Rosenzweig, Ella, Sinclair, Linda V., Feijoo-Carnero, Carmen, Hukelmann, Jens L., Rolf, Julia, Panteleyev, Andrey A., Okkenhaug, Klaus +1 more·2012·Journal of Experimental Medicine

Abstract

mTORC1 (mammalian target of rapamycin complex 1) controls transcriptional programs that determine CD8+ cytolytic T cell (CTL) fate. In some cell systems, mTORC1 couples phosphatidylinositol-3 kinase (PI3K) and Akt to the control of glucose uptake and glycolysis. However, PI3K–Akt-independent mechanisms control glucose metabolism in CD8+ T cells, and the role of mTORC1 has not been explored. The present study now demonstrates that mTORC1 activity in CD8+ T cells is not dependent on PI3K or Akt but is critical to sustain glucose uptake and glycolysis in CD8+ T cells. We also show that PI3K- and Akt-independent pathways mediated by mTORC1 regulate the expression of HIF1 (hypoxia-inducible factor 1) transcription factor complex. This mTORC1–HIF1 pathway is required to sustain glucose metabolism and glycolysis in effector CTLs and strikingly functions to couple mTORC1 to a diverse transcriptional program that controls expression of glucose transporters, multiple rate-limiting glycolytic enzymes, cytolytic effector molecules, and essential chemokine and adhesion receptors that regulate T cell trafficking. These data reveal a fundamental mechanism linking nutrient and oxygen sensing to transcriptional control of CD8+ T cell differentiation.

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Authors
Finlay, D. K., Rosenzweig, E., Sinclair, L. V., Feijoo-Carnero, C., Hukelmann, J. L., Rolf, J., Panteleyev, A. A., Okkenhaug, K., & Cantrell, D. A.
Affiliations
  • Trinity College Dublin (IE)
  • University of Dundee (GB)
  • Division of Cell Signalling and Immunology, College of Life Sciences 3 ; and 4
  • Babraham Institute (GB)
Corresponding author
  • Finlay, David K.
  • Cantrell, Doreen A.
Venue
Journal of Experimental Medicine
Published
2012-11-26
Volume
209
Issue
13
Pages
2441-2453
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2164164239
Cited by
596
References
35
Citations by year
2026: 29 · 2025: 33 · 2024: 32 · 2023: 43 · 2022: 46 · 2021: 59 · 2020: 47 · 2019: 56 · 2018: 45 · 2017: 43 · 2016: 49 · 2015: 46 · 2014: 36 · 2013: 29 · 2012: 2
FWCI
14.52
Type
journal article
Language
en
Open access
Locations
  • The Journal of Experimental Medicine (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
  • Discovery Research Portal (University of Dundee) (acceptedVersion, other-oa)
  • Arrow@dit (Dublin Institute of Technology) (acceptedVersion)
  • Trinity's Access to Research Output (TARA) (Trinity College Dublin) (submittedVersion, cc-by-nc-sa)
  • Apollo (University of Cambridge) (submittedVersion, cc-by-nc-sa)
  • Apollo
Funders
  • University of Dundee
  • Wellcome Trust (097418/Z/11/Z, 095691, 065975, 097418)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › PI3K/AKT/mTOR signaling in cancer
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
Keywords
mTORC1, CD8+ T cells, cytotoxic T lymphocytes, HIF-1, glucose metabolism, glycolysis, glucose uptake, T cell migration, T cell differentiation, nutrient sensing, oxygen sensing, glucose transporters, chemokine receptors, cell adhesion receptors
MeSH terms
Mechanistic Target of Rapamycin Complex 1, Animals, Cell Differentiation, Cell Movement, Gene Expression Regulation, Glucose, Glycolysis, Interleukin-2, Mice, Inbred C57BL, Mice, Mutant Strains, Mice, Transgenic, Proteins, Receptors, Antigen, T-Cell, Protein Serine-Threonine Kinases, CD8-Positive T-Lymphocytes, Chemokines, Receptors, Chemokine, Phosphatidylinositol 3-Kinases, Multiprotein Complexes, Proto-Oncogene Proteins c-akt, Mice, Aryl Hydrocarbon Receptor Nuclear Translocator, Hypoxia-Inducible Factor 1, Hypoxia-Inducible Factor 1, alpha Subunit, TOR Serine-Threonine Kinases, 3-Phosphoinositide-Dependent Protein Kinases

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