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CD29 identifies IFN-?-producing human CD8+ T cells with an increased cytotoxic potential.


ABSTRACT: Cytotoxic CD8+ T cells can effectively kill target cells by producing cytokines, chemokines, and granzymes. Expression of these effector molecules is however highly divergent, and tools that identify and preselect CD8+ T cells with a cytotoxic expression profile are lacking. Human CD8+ T cells can be divided into IFN-?- and IL-2-producing cells. Unbiased transcriptomics and proteomics analysis on cytokine-producing fixed CD8+ T cells revealed that IL-2+ cells produce helper cytokines, and that IFN-?+ cells produce cytotoxic molecules. IFN-?+ T cells expressed the surface marker CD29 already prior to stimulation. CD29 also marked T cells with cytotoxic gene expression from different tissues in single-cell RNA-sequencing data. Notably, CD29+ T cells maintained the cytotoxic phenotype during cell culture, suggesting a stable phenotype. Preselecting CD29-expressing MART1 TCR-engineered T cells potentiated the killing of target cells. We therefore propose that CD29 expression can help evaluate and select for potent therapeutic T cell products.

SUBMITTER: Nicolet BP 

PROVIDER: S-EPMC7104308 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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CD29 identifies IFN-γ-producing human CD8<sup>+</sup> T cells with an increased cytotoxic potential.

Nicolet Benoît P BP   Guislain Aurélie A   van Alphen Floris P J FPJ   Gomez-Eerland Raquel R   Schumacher Ton N M TNM   van den Biggelaar Maartje M   Wolkers Monika C MC  

Proceedings of the National Academy of Sciences of the United States of America 20200311 12


Cytotoxic CD8<sup>+</sup> T cells can effectively kill target cells by producing cytokines, chemokines, and granzymes. Expression of these effector molecules is however highly divergent, and tools that identify and preselect CD8<sup>+</sup> T cells with a cytotoxic expression profile are lacking. Human CD8<sup>+</sup> T cells can be divided into IFN-γ- and IL-2-producing cells. Unbiased transcriptomics and proteomics analysis on cytokine-producing fixed CD8<sup>+</sup> T cells revealed that IL-2  ...[more]

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