Cited by 898CAR-T cell therapy researchT-cell and B-cell ImmunologyCancer Immunotherapy and Biomarkers

c-Jun overexpression in CAR T cells induces exhaustion resistance

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Lynn, Rachel C., Weber, Evan W., Sotillo, Elena, Gennert, David, Xu, Peng, Good, Zinaida, Anbunathan, Hima, Lattin, John +11 more·2019·Nature

Abstract

Chimeric antigen receptor (CAR) T cells mediate anti-tumour effects in a small subset of patients with cancer 1-3, but dysfunction due to T cell exhaustion is an important barrier to progress 4-6. To investigate the biology of exhaustion in human T cells expressing CAR receptors, we used a model system with a tonically signaling CAR, which induces hallmark features of exhaustion 6. Exhaustion was associated with a profound defect in the production of IL-2, along with increased chromatin accessibility of AP-1 transcription factor motifs and overexpression of the bZIP and IRF transcription factors that have been implicated in mediating dysfunction in exhausted T cells 7-10. Here we show that CAR T cells engineered to overexpress the canonical AP-1 factor c-Jun have enhanced expansion potential, increased functional capacity, diminished terminal differentiation and improved anti-tumour potency in five different mouse tumour models in vivo. We conclude that a functional deficiency in c-Jun mediates dysfunction in exhausted human T cells, and that engineering CAR T cells to overexpress c-Jun renders them resistant to exhaustion, thereby addressing a major barrier to progress for this emerging class of therapeutic agents.

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  • T cell exhaustion limits the efficacy of chimeric antigen receptor (CAR) T cell therapy against solid tumours.

    “T cell exhaustion also limits the efficacy of chimeric antigen receptor (CAR) T cell therapy against solid tumours14–17.”
  • Next-generation T cell therapies are being engineered with transgenes designed to overcome suppressive signals in the tumor environment.

    “Next-generation T cell therapies are being engineered with transgenes designed to overcome suppressive signals in the tumor environment (Kloss et al., 2018; Lynn et al., 2019; Yamamoto et al., 2019).”

    From Pooled Knockin Targeting for Genome Engineering of Cellular Immunotherapies (2020) · cites this paper as Lynn et al., 2019

  • c-Jun overexpression protects CAR-T cells from dysfunction by inducing T-cell exhaustion resistance.

    “c-Jun overexpression protects CAR-T cells from dysfunction by inducing T-cell exhaustion resistance [157].”

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Authors
Lynn, R. C., Weber, E. W., Sotillo, E., Gennert, D., Xu, P., Good, Z., Anbunathan, H., Lattin, J., Jones, R., Tieu, V., Nagaraja, S., Granja, J., de Bourcy, C. F. A., Majzner, R., Satpathy, A. T., Quake, S. R., Monje, M., Chang, H. Y., & Mackall, C. L.
Affiliations
  • Lyell Immunopharma (United States) (US)
  • Stanford Medicine (US)
  • Stanford University (US)
  • Parker Institute for Cancer Immunotherapy (US)
  • Chan Zuckerberg Biohub San Francisco (US)
  • Howard Hughes Medical Institute (US)
Corresponding author
Mackall, Crystal L.
Venue
Nature
Published
2019-12-04
Volume
576
Issue
7786
Pages
293-300
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2992738455
Cited by
891
References
63
Citations by year
2026: 141 · 2025: 151 · 2024: 138 · 2023: 129 · 2022: 122 · 2021: 119 · 2020: 89 · 2019: 1 · 2012: 1
FWCI
34.74
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institutes of Health (1s10od018220-01)
  • National Human Genome Research Institute (RM1HG007735, P50HG007735)
Topics
  • Health Sciences › Medicine › Oncology › CAR-T cell therapy research
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
Keywords
c-Jun, chimeric antigen receptor T cells, T cell exhaustion, AP-1 transcription factor, IL-2 deficiency, chromatin accessibility, IRF transcription factors, bZIP transcription factors, T cell expansion, antitumor immunity, CAR-T cell engineering
MeSH terms
Animals, Gene Expression Regulation, Humans, Neoplasms, Receptors, Antigen, T-Cell, Transcription, Genetic, Proto-Oncogene Proteins c-jun, Transcription Factor AP-1, Epigenesis, Genetic, Cell Line, Tumor, Mice

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