Cited by 1,646T-cell and B-cell ImmunologyCancer Immunotherapy and BiomarkersSignaling Pathways in Disease

TOX transcriptionally and epigenetically programs CD8+ T cell exhaustion

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Khan, Omar, Giles, Josephine R., McDonald, Sierra, Manne, Sasikanth, Ngiow, Shin Foong, Patel, Kunal P., Werner, Michael T., Huang, Alexander C. +17 more·2019·Nature

Abstract

Exhausted CD8+ T (T ex) cells in chronic infections and cancer have limited effector function, high co-expression of inhibitory receptors and extensive transcriptional changes compared with effector (T eff) or memory (T mem) CD8+ T cells. T ex cells are important clinical targets of checkpoint blockade and other immunotherapies. Epigenetically, T ex cells are a distinct immune subset, with a unique chromatin landscape compared with T eff and T mem cells. However, the mechanisms that govern the transcriptional and epigenetic development of T ex cells remain unknown. Here we identify the HMG-box transcription factor TOX as a central regulator of T ex cells in mice. TOX is largely dispensable for the formation of T eff and T mem cells, but it is critical for exhaustion: in the absence of TOX, T ex cells do not form. TOX is induced by calcineurin and NFAT2, and operates in a feed-forward loop in which it becomes calcineurin-independent and sustained in T ex cells. Robust expression of TOX therefore results in commitment to T ex cells by translating persistent stimulation into a distinct T ex cell transcriptional and epigenetic developmental program.

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  1. [12]Barber DL Restoring function in exhausted CD8 T cells during chronic viral infection. Nature 439, 682– 687 (2005). 16382236
  2. [32]Joshi NS Inflammation directs memory precursor and short-lived effector CD8(+) T cell fates via the graded expression of T-bet transcription factor. Immunity 27, 281– 295 (2007). 17723218 PMC2034442

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Authors
Khan, O., Giles, J. R., McDonald, S., Manne, S., Ngiow, S. F., Patel, K. P., Werner, M. T., Huang, A. C., Alexander, K. A., Wu, J. E., Attanasio, J., Yan, P., George, S. M., Bengsch, B., Staupe, R. P., Donahue, G., Xu, W., Amaravadi, R. K., Xu, X., Karakousis, G. C., Mitchell, T. C., Schuchter, L. M., Kaye, J., Berger, S. L., & Wherry, E. J.
Affiliations
  • Arsenal Biosciences (United States) (US)
  • University of Pennsylvania (US)
  • University of Freiburg (DE)
  • Abramson Cancer Center (US)
  • Cedars-Sinai Medical Center (US)
  • Parker Institute for Cancer Immunotherapy (US)
Corresponding author
Wherry, E. John
Venue
Nature
Published
2019-06-17
Volume
571
Issue
7764
Pages
211-218
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2952815301
Cited by
1,646
References
63
Citations by year
2026: 258 · 2025: 249 · 2024: 234 · 2023: 252 · 2022: 211 · 2021: 235 · 2020: 161 · 2019: 43 · 2013: 1
FWCI
64.93
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Cold Spring Harbor Laboratory Institutional Repository (Cold Spring Harbor Laboratory) (acceptedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • National Cancer Institute (R01CA078831, F32CA221010, P30CA010815, P01CA210944)
  • National Institute of Allergy and Infectious Diseases (R01AI115712, R01AI054977, R01AI105343, F30AI129263, U19AI117950, U19AI082630, P01AI108545)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Signaling Pathways in Disease
Keywords
TOX transcription factor, CD8+ T cell exhaustion, chromatin landscape, epigenetic regulation, calcineurin, NFATc1, feed-forward loop, inhibitory receptors, chronic infection, cancer immunotherapy, checkpoint blockade, transcriptional programs
MeSH terms
Animals, Epistasis, Genetic, Female, Gene Expression Regulation, Genotype, Immunologic Memory, Male, Mice, Inbred BALB C, Mice, Inbred C57BL, Transcription, Genetic, Homeodomain Proteins, CD8-Positive T-Lymphocytes, Tumor Escape, Calcineurin, Calcium Signaling, Feedback, Physiological, NFATC Transcription Factors, Mice

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