Cited by 1,831CAR-T cell therapy researchCRISPR and Genetic EngineeringVirus-based gene therapy research

The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.

Targeting a CAR to the TRAC locus with CRISPR/Cas9 enhances tumour rejection

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Eyquem, Justin, Mansilla-Soto, Jorge, Giavridis, Theodoros, van der Stegen, Sjoukje J. C., Hamieh, Mohamad, Cunanan, Kristen M., Odak, Ashlesha, Gönen, Mithat, Sadelain, Michel·2017·Nature

Abstract

Chimeric antigen receptors (CARs) are synthetic receptors that redirect and reprogram T cells to mediate tumour rejection. The most successful CARs used to date are those targeting CD19 (ref. 2), which offer the prospect of complete remission in patients with chemorefractory or relapsed B-cell malignancies. CARs are typically transduced into the T cells of a patient using γ-retroviral vectors or other randomly integrating vectors, which may result in clonal expansion, oncogenic transformation, variegated transgene expression and transcriptional silencing. Recent advances in genome editing enable efficient sequence-specific interventions in human cells, including targeted gene delivery to the CCR5 and AAVS1 loci. Here we show that directing a CD19-specific CAR to the T-cell receptor α constant (TRAC) locus not only results in uniform CAR expression in human peripheral blood T cells, but also enhances T-cell potency, with edited cells vastly outperforming conventionally generated CAR T cells in a mouse model of acute lymphoblastic leukaemia. We further demonstrate that targeting the CAR to the TRAC locus averts tonic CAR signalling and establishes effective internalization and re-expression of the CAR following single or repeated exposure to antigen, delaying effector T-cell differentiation and exhaustion. These findings uncover facets of CAR immunobiology and underscore the potential of CRISPR/Cas9 genome editing to advance immunotherapies.

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Metadata

Authors
Eyquem, J., Mansilla-Soto, J., Giavridis, T., van der Stegen, S. J. C., Hamieh, M., Cunanan, K. M., Odak, A., Gönen, M., & Sadelain, M.
Affiliations
Memorial Sloan Kettering Cancer Center (US)
Corresponding author
Sadelain, Michel
Venue
Nature
Published
2017-02-22
Volume
543
Issue
7643
Pages
113-117
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2589417329
Cited by
1,831
References
33
Citations by year
2026: 191 · 2025: 175 · 2024: 206 · 2023: 201 · 2022: 224 · 2021: 238 · 2020: 190 · 2019: 186 · 2018: 151 · 2017: 68
FWCI
71.74
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
National Cancer Institute (P30CA008748)
Topics
  • Health Sciences › Medicine › Oncology › CAR-T cell therapy research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
Keywords
chimeric antigen receptor, CRISPR/Cas9 genome editing, CD19, chimeric antigen receptor T cells, T cell exhaustion, T cell differentiation, acute lymphoblastic leukemia, tumor rejection, targeted gene integration
MeSH terms
Gene Editing, Animals, Cell Differentiation, Disease Models, Animal, Gene Expression Regulation, Humans, Immunotherapy, Lymphocyte Activation, Male, Promoter Regions, Genetic, Receptors, Antigen, T-Cell, T-Lymphocytes, Receptors, Antigen, T-Cell, alpha-beta, Antigens, CD19, Mice, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Genetic Loci, Translational Research, Biomedical, CRISPR-Cas Systems

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