IRE1α–XBP1 controls T cell function in ovarian cancer by regulating mitochondrial activity
Open accessAbstract
Tumours evade immune control by creating hostile microenvironments that perturb T cell metabolism and effector function 1-4. However, it remains unclear how intra-tumoral T cells integrate and interpret metabolic stress signals. Here we report that ovarian cancer-an aggressive malignancy that is refractory to standard treatments and current immunotherapies 5-8-induces endoplasmic reticulum stress and activates the IRE1α-XBP1 arm of the unfolded protein response 9,10 in T cells to control their mitochondrial respiration and anti-tumour function. In T cells isolated from specimens collected from patients with ovarian cancer, upregulation of XBP1 was associated with decreased infiltration of T cells into tumours and with reduced IFNG mRNA expression. Malignant ascites fluid obtained from patients with ovarian cancer inhibited glucose uptake and caused N-linked protein glycosylation defects in T cells, which triggered IRE1α-XBP1 activation that suppressed mitochondrial activity and IFNγ production. Mechanistically, induction of XBP1 regulated the abundance of glutamine carriers and thus limited the influx of glutamine that is necessary to sustain mitochondrial respiration in T cells under glucose-deprived conditions. Restoring N-linked protein glycosylation, abrogating IRE1α-XBP1 activation or enforcing expression of glutamine transporters enhanced mitochondrial respiration in human T cells exposed to ovarian cancer ascites. XBP1-deficient T cells in the metastatic ovarian cancer milieu exhibited global transcriptional reprogramming and improved effector capacity. Accordingly, mice that bear ovarian cancer and lack XBP1 selectively in T cells demonstrate superior anti-tumour immunity, delayed malignant progression and increased overall survival. Controlling endoplasmic reticulum stress or targeting IRE1α-XBP1 signalling may help to restore the metabolic fitness and anti-tumour capacity of T cells in cancer hosts.
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Both oxidative and ER stress have been shown to contribute to T cell dysfunction across different tumor types.
“Even though both oxidative and ER stress have been shown to contribute to T cell dysfunction across different tumor types (44-51),”
From Bile acid synthesis impedes tumor-specific T cell responses during liver cancer (2025) · cites this paper as [47]
The Abstract reports that ovarian cancer induces ER stress in T cells and suppresses their mitochondrial activity and anti-tumor function; Extended Data Figure 9 also links ER stress to T cell dysfunction. The cited paper does not establish a contribution from oxidative stress or show these effects across different tumor types. No page numbers are available in our copy. (LLM, conf=0.88)
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Self-citation
- Authors
- Song, M., Sandoval, T. A., Chae, C.-S., Chopra, S., Tan, C., Rutkowski, M. R., Raundhal, M., Chaurio, R. A., Payne, K. K., Konrad, C., Bettigole, S. E., Shin, H. R., Crowley, M. J. P., Cerliani, J. P., Kossenkov, A. V., Motorykin, I., Zhang, S., Manfredi, G., Zamarin, D., Holcomb, K., Rodriguez, P. C., Rabinovich, G. A., Conejo-Garcia, J. R., Glimcher, L. H., & Cubillos-Ruiz, J. R.
- Affiliations
- Weill Cornell Medicine (US)
- University of Virginia (US)
- Brigham and Women's Hospital (US)
- Moffitt Cancer Center (US)
- Consejo Nacional de Investigaciones Científicas y Técnicas (AR)
- The Wistar Institute (US)
- Cornell University (US)
- Memorial Sloan Kettering Cancer Center (US)
- Corresponding author
- Glimcher, Laurie H.
- ORCID
- Song, Minkyung
- Sandoval, Tito A.
- Chae, Chang-Suk
- Tan, Chen
- Rutkowski, Melanie R.
- Raundhal, Mahesh
- Chaurio, Ricardo A.
- Payne, Kyle K.
- Crowley, Michael J. P.
- Cerliani, Juan P.
- Kossenkov, Andrew V.
- Motorykin, Ievgen
- Zhang, Sheng
- Manfredi, Giovanni
- Zamarin, Dmitriy
- Holcomb, Kevin
- Rabinovich, Gabriel A.
- Conejo-Garcia, Jose R.
- Glimcher, Laurie H.
- Venue
- Nature
- Published
- 2018-10
- Volume
- 562
- Issue
- 7727
- Pages
- 423-428
- ISSN
- 0028-0836 (ISSN-L)
- 1476-4687
- PMC
- PMC6237282
- OpenAlex
- W2896875037
- Cited by
- 413
- References
- 42
- Citations by year
- 2026: 47 · 2025: 64 · 2024: 58 · 2023: 50 · 2022: 66 · 2021: 51 · 2020: 37 · 2019: 36 · 2018: 3 · 2013: 1
- FWCI
- 17.70
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Nature (publishedVersion)
- PubMed (publishedVersion)
- LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, other-oa)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- Americanae (AECID Library) (submittedVersion, cc-by-nc-sa)
- Funders
- U.S. Department of Defense (W81XWH1610438, W81XWH)
- Ovarian Cancer Research Fund
- Ovarian Cancer Research Fund Alliance
- National Institutes of Health (W81XWH, 1s10od017992-01)
- Weill Cornell Medical College
- Stand Up To Cancer (SU2C-AACR-IRG-03-16)
- National Cancer Institute (R01CA112663, T32CA009140, R01CA184185, P30CA008748, R50CA211199, P30CA010815)
- Ovarian Cancer Academy
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Endoplasmic Reticulum Stress and Disease
- Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
- Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
- Keywords
- unfolded protein response, endoplasmic reticulum stress, ovarian cancer, T cell metabolism, mitochondrial respiration, glutamine transporter, N-glycosylation, glucose deprivation, tumor microenvironment, T cell exhaustion, antitumor immunity, interferon-gamma, malignant ascites, T cell reprogramming
- MeSH terms
- X-Box Binding Protein 1, Animals, Ascites, Endoribonucleases, Female, Glucose, Glutamine, Glycosylation, Humans, Interferon-gamma, Mitochondria, Neoplasm Metastasis, Neoplasm Transplantation, Ovarian Neoplasms, T-Lymphocytes, Signal Transduction, Gene Expression Regulation, Neoplastic, Survival Rate, Protein Serine-Threonine Kinases, Disease Progression, Cell Respiration, Tumor Escape, Amino Acid Transport Systems, Basic, Mice, Unfolded Protein Response, Endoplasmic Reticulum Stress
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