Cited by 18Glioma Diagnosis and TreatmentImmunotherapy and Immune ResponsesCancer Immunotherapy and Biomarkers

The DOI matches its Crossref record; 55 of the 55 references it cites were found in a registry or an index.

T-cell Receptor Therapy Targeting Mutant Capicua Transcriptional Repressor in Experimental Gliomas

Open access
Kilian, Michael, Friedrich, Mirco, Sanghvi, Khwab, Green, Edward, Pusch, Stefan, Kawauchi, Daisuke, Löwer, Martin, Sonner, Jana K., Krämer, Christopher, Zaman, Julia, Jung, Stefanie, Breckwoldt, Michael O., Willimsky, Gerald, Eichmüller, Stefan B., von Deimling, Andreas, Wick, Wolfgang, Sahm, Felix, Platten, Michael, Bunse, Lukas·2022·Clinical Cancer Research

Published version of a preprint

Abstract

Purpose: Gliomas are intrinsic brain tumors with a high degree of constitutive and acquired resistance to standard therapeutic modalities such as radiotherapy and alkylating chemotherapy. Glioma subtypes are recognized by characteristic mutations. Some of these characteristic mutations have shown to generate immunogenic neoepitopes suitable for targeted immunotherapy. Experimental Design: Using peptide-based ELISpot assays, we screened for potential recurrent glioma neoepitopes in MHC-humanized mice. Following vaccination, droplet-based single-cell T-cell receptor (TCR) sequencing from established T-cell lines was applied for neoepitope-specific TCR discovery. Efficacy of intraventricular TCR-transgenic T-cell therapy was assessed in a newly developed glioma model in MHC-humanized mice induced by CRISPR-based delivery of tumor suppressor–targeting guide RNAs. Results: We identify recurrent capicua transcriptional repressor (CIC) inactivating hotspot mutations at position 215 CICR215W/Q as immunogenic MHC class II (MHCII)-restricted neoepitopes. Vaccination of MHC-humanized mice resulted in the generation of robust MHCII-restricted mutation-specific T-cell responses against CICR215W/Q. Adoptive intraventricular transfer of CICR215W-specific TCR-transgenic T cells exert antitumor responses against CICR215W-expressing syngeneic gliomas. Conclusions: The integration of immunocompetent MHC-humanized orthotopic glioma models in the discovery of shared immunogenic glioma neoepitopes facilitates the identification and preclinical testing of human leukocyte antigen (HLA)-restricted neoepitope-specific TCRs for locoregional TCR-transgenic T-cell adoptive therapy.

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Authors
Kilian, M., Friedrich, M., Sanghvi, K., Green, E., Pusch, S., Kawauchi, D., Löwer, M., Sonner, J. K., Krämer, C., Zaman, J., Jung, S., Breckwoldt, M. O., Willimsky, G., Eichmüller, S. B., von Deimling, A., Wick, W., Sahm, F., Platten, M., & Bunse, L.
Affiliations
  • German Cancer Research Center (DE)
  • Johannes Gutenberg University Mainz (DE)
  • 4DKTK Clinical Cooperation Unit Neuropathology, German Cancer Research Center (DKFZ), Heidelberg, Germany.
Corresponding author
Bunse, Lukas
Venue
Clinical Cancer Research
Published
2021-11-15
Volume
28
Issue
2
Pages
378-389
ISSN
  • 1078-0432 (ISSN-L)
  • 1557-3265
OpenAlex
W3213468635
Cited by
18
References
55
Citations by year
2026: 1 · 2025: 5 · 2024: 2 · 2023: 6 · 2022: 3 · 2021: 1
FWCI
1.69
Type
journal article
Language
en
Open access
Locations
  • Clinical Cancer Research (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Funders
German Research Foundation (404521405)
Topics
  • Health Sciences › Medicine › Oncology › Glioma Diagnosis and Treatment
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
Keywords
glioma, MHC class II restriction, T cell receptor transgenic T cells, adoptive T cell therapy, tumor suppressor mutations, adoptive immunotherapy
MeSH terms
Receptors, Chimeric Antigen, Animals, Disease Models, Animal, Glioma, Immunotherapy, Neoplasm Recurrence, Local, T-Lymphocytes, Immunotherapy, Adoptive, Mice

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