T Cells Instruct Immune Checkpoint Inhibitor Therapy Resistance in Tumors Responsive to IL1 and TNFα Inflammation.
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February 2025
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Available in CDC Stacks on August 03, 2025, 12:00 AM
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Alternative Title:Cancer Immunology Research, 2025, v. 13, no. 2: T Cells Instruct Immune Checkpoint Inhibitor Therapy Resistance in Tumors Responsive to IL1 and TNFα Inflammation.
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Journal Article:Cancer Immunology Research
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Personal Author:
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Description:Resistance to immune checkpoint inhibitors (ICI) is common, even in tumors with T-cell infiltration. We thus investigated consequences of ICI-induced T-cell infiltration in the microenvironment of resistant tumors. T cells and neutrophil numbers increased in ICI-resistant tumors following treatment, in contrast to ICI-responsive tumors. Resistant tumors were distinguished by high expression of IL1 receptor 1, enabling a synergistic response to IL1 and TNFα to induce G-CSF, CXCL1, and CXCL2 via NF-κB signaling, supporting immunosuppressive neutrophil accumulation in tumor. Perturbation of this inflammatory resistance circuit sensitized tumors to ICIs. Paradoxically, T cells drove this resistance circuit via TNFα both in vitro and in vivo. Evidence of this inflammatory resistance circuit and its impact also translated to human cancers. These data support a mechanism of ICI resistance, wherein treatment-induced T-cell activity can drive resistance in tumors responsive to IL1 and TNFα, with important therapeutic implications.
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Content Notes:Author manuscript
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Source:Cancer Immunology Research, 2025, v. 13, no. 2
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DOI:
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ISSN:2326-6066 ; 2326-6074
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Pubmed ID:39404741
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Pubmed Central ID:PMC11790381
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Document Type:
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Funding:T32 AI007334/AI/NIAID NIH HHSUnited States/ ; 1P50CA168504/National Cancer Institute (NCI)/ ; R01 DE032033/DE/NIDCR NIH HHSUnited States/ ; ImmunoX Computational Biology Initiative/University of California, San Francisco (UCSF)/ ; P50 CA168504/CA/NCI NIH HHSUnited States/ ; Parker Fellow/Parker Institute for Cancer Immunotherapy (PICI)/ ; T32GM1365471/National Institute of General Medical Sciences (NIGMS)/ ; 20-20-01-SPIT/American Association for Cancer Research (AACR)/ ; Stanford Propel Postdoctoral Scholarship/Stanford University (SU)/ ; T32 GM136547/GM/NIGMS NIH HHSUnited States/ ; DP5 OD023056/CD/ODCDC CDC HHSUnited States/ ; T32 5T32AI007334-33/National Institute of Allergy and Infectious Diseases (NIAID)/ ; F31 CA265128/CA/NCI NIH HHSUnited States/ ; GRFP fellowship/National Science Foundation Graduate Research Fellowship Program (GRFP)/ ; DP5 OD023056/OD/NIH HHSUnited States/ ; Clinician Scientist Development Grant ASTRO-CSDG-23-1036400-01-IBCD/American Cancer Society (ACS)/ ; F31 CA271748/CA/NCI NIH HHSUnited States/ ; S10 OD018040/CD/ODCDC CDC HHSUnited States/ ; S10 OD018040/OD/NIH HHSUnited States/ ; CRI4437/Cancer Research Institute (CRI)/ ; RSG-22-141-01-IBCD/American Cancer Society (ACS)/ ; BC220499/U.S. Army Medical Research Acquisition Activity (USAMRAA)/ ; R01 CA290027/CA/NCI NIH HHSUnited States/ ; F31CA271748/National Cancer Institute (NCI)/ ; UCSF Prostate Cancer Program Pilot/University of California, San Francisco (UCSF)/ ; Investigator support/Chan Zuckerberg Biohub/
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Genre:
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Pages in Document:229-244 (36 pdf pages)
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Volume:13
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Issue:2
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Main Document Checksum:urn:sha-512:a8c8f602a5b1c7d93bba3a629ee94d8dafafd99915d0c18f8696ef56a299f258e3397feff72d8ac867c9c462156173755cf8b919a1e50ac701a1f16af28a9213
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