Cited by 58Cancer, Hypoxia, and MetabolismT-cell and B-cell ImmunologyRedox biology and oxidative stress

Induction of HIF-1α and the glycolytic pathway alters apoptotic and differentiation profiles of activated human T cells

Larbi, Anis, Zelba, Henning, Goldeck, David, Pawelec, Graham·2009·Journal of Leukocyte Biology

Abstract

T cell differentiation and functions are altered at low oxygen, possibly via HIF-1α and glycolysis up-regulation. The majority of in vitro studies involving lymphocytes is performed in AtmO2, and the PhysO2 that T cells encounter are variable but commonly much lower. Previous studies showed changed kinetics and delayed proliferation of human T cells at PhysO2. Here, we show that CD3/CD28-dependent T cell activation induces faster cell cycling at AtmO2 than at PhysO2 (here taken to be 2%). Concomitantly with HIF-1α expression, we observed a switch in the T cell respiratory pathway toward glycolysis at PhysO2. Thus, modulating available glucose levels showed that at PhysO2, T cells rely more on glycolysis, associated with a higher phosphorylation of Aktser473. Although no difference in spontaneous apoptosis of resting cells was detected, it was increased significantly at PhysO2 after T cell activation and was different within the different T cell subsets. This may explain at least partly the differently altered proliferation and subset distribution observed in CD4+ and CD8+ T cells as a result of differences in naïve and memory subset distribution. Together, these findings suggest that T cell activation thresholds, subsequent proliferative capacity, and susceptibility to apoptosis, hitherto studied in air and thought to be crucial for monitoring immune responsiveness, may require re-assessment.

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Crossref · 10.1189/jlb.0509304

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Authors
Larbi, A., Zelba, H., Goldeck, D., & Pawelec, G.
Affiliations
University of Tübingen (DE)
Corresponding author
Larbi, Anis
Venue
Journal of Leukocyte Biology
Published
2009-11-05
Volume
87
Issue
2
Pages
265-273
ISSN
  • 0741-5400 (ISSN-L)
  • 1938-3673
OpenAlex
W2146094257
Cited by
58
References
41
Citations by year
2026: 3 · 2025: 4 · 2023: 2 · 2022: 4 · 2021: 3 · 2020: 5 · 2019: 4 · 2018: 1 · 2017: 7 · 2016: 2 · 2015: 6 · 2014: 5 · 2013: 4 · 2012: 5
FWCI
0.89
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Leukocyte Biology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Deutsche Forschungsgemeinschaft (DFG PA 361/11-1, SFB 685-B4)
  • Fortüne Program
  • European Commission (EU-LSHG-CT-2007-036894)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
Keywords
HIF-1α, hypoxia, T cell activation, glycolysis, aerobic glycolysis, T cell proliferation, apoptosis, Akt phosphorylation, glucose metabolism, CD4+ T cells, CD8+ T cells, T cell differentiation, oxygen partial pressure
MeSH terms
Cell Differentiation, Glycolysis, Humans, Lymphocyte Activation, Oxygen, Oxygen Consumption, CD4-Positive T-Lymphocytes, Apoptosis, CD8-Positive T-Lymphocytes, Cell Proliferation, Proto-Oncogene Proteins c-akt, Hypoxia-Inducible Factor 1, alpha Subunit

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