Cited by 305interferon and immune responsesImmunotherapy and Immune ResponsesCancer Immunotherapy and Biomarkers

cGAS-STING–mediated DNA sensing maintains CD8 + T cell stemness and promotes antitumor T cell therapy

Li, Wenwen, Lu, Lu, Lu, Juanjuan, Wang, Xinran, Yang, Chao, Jin, Jingsi, Wu, Lingling, Hong, Xiaochuan +9 more·2020·Science Translational Medicine

Abstract

Although cGAS-STING-mediated DNA sensing in tumor cells or phagocytes is central for launching antitumor immunity, the role of intrinsic cGAS-STING activation in T cells remains unknown. Here, we observed that peripheral blood CD8 + T cells from patients with cancer showed remarkably compromised expression of the cGAS-STING cascade. We demonstrated that the cGAS-STING cascade in adoptively transferred CD8 + T cells was essential for antitumor immune responses in the context of T cell therapy in mice. Mechanistically, cell-autonomous cGAS and STING promoted the maintenance of stem cell-like CD8 + T cells, in part, by regulating the transcription factor TCF1 expression. Moreover, autocrine cGAS-STING-mediated type I interferon signaling augmented stem cell-like CD8 + T cell differentiation program mainly by restraining Akt activity. In addition, genomic DNA was selectively enriched in the cytosol of mouse CD8 + T cells upon in vitro and in vivo stimulation. STING agonism enhanced the formation of stem-like central memory CD8 + T cells from patients with cancer and potentiated antitumor responses of CAR-T cell therapy in a xenograft model. These findings advance our understanding of inherent cGAS-STING activation in T cells and provide insight into the development of improved T cell therapy by harnessing the cGAS-STING pathway for cancer immunotherapy.

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Crossref · 10.1126/scitranslmed.aay9013

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  • Two recent reports have shown that T cell-intrinsic STING signaling could control differentiation and effector functions of CD8+ and CD4+ T cells.

    “Also, two recent reports have shown that T cell-intrinsic STING signaling could control differentiation and effector functions of CD8+ and CD4+ T cells60,61.”

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Authors
Li, W., Lu, L., Lu, J., Wang, X., Yang, C., Jin, J., Wu, L., Hong, X., Li, F., Cao, D., Yang, Y., Wu, M., Su, B., Cheng, J., Yang, X., Di, W., & Deng, L.
Affiliations
Shanghai Jiao Tong University (CN)
Corresponding author
  • Li, Wenwen
  • Lu, Lu
  • Yang, Xuanming
  • Di, Wen
  • Deng, Liufu
Venue
Science Translational Medicine
Published
2020-06-24
Volume
12
Issue
549
ISSN
  • 1946-6234 (ISSN-L)
  • 1946-6242
OpenAlex
W3038007966
Cited by
305
References
54
Citations by year
2026: 62 · 2025: 75 · 2024: 56 · 2023: 45 · 2022: 39 · 2021: 21 · 2020: 7
FWCI
9.79
Type
journal article
Language
en
Open access
closed
Locations
  • Science Translational Medicine (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (81771682, 81702804, 31900649)
  • Science and Technology Commission of Shanghai Municipality (16JC1406000)
  • Shanghai Municipal Commission of Health and Family Planning
  • Shanghai Municipal Health Commission (20194Y0625)
  • Innovative research team of high-level local universities in Shanghai
  • National Thousand Youth Talents Program
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › interferon and immune responses
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
Keywords
cGAS-STING pathway, DNA sensing, CD8+ T cells, T cell stemness, antitumor immunity, CAR T-cell therapy, cancer immunotherapy
MeSH terms
Animals, DNA, Humans, Membrane Proteins, Nucleotidyltransferases, CD8-Positive T-Lymphocytes, Mice, Cell- and Tissue-Based Therapy

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