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Combined PD-L1 and TIM3 blockade improves expansion of fit human CD8(+) antigen-specific T cells for adoptive immunotherapy

Antigen-specific T cell expansion ex vivo followed by adoptive transfer enables targeting of a multitude of microbial and cancer antigens. However, clinical-scale T cell expansion from rare precursors requires repeated stimulation, which may lead to T cell dysfunction and limited therapeutic potenti...

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Autores principales: Lak, Shirin, Janelle, Valérie, Djedid, Anissa, Boudreau, Gabrielle, Brasey, Ann, Lisi, Véronique, Smaani, Ali, Carli, Cédric, Busque, Lambert, Lavallée, Vincent-Philippe, Delisle, Jean-Sébastien
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Society of Gene & Cell Therapy 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9593254/
https://www.ncbi.nlm.nih.gov/pubmed/36320412
http://dx.doi.org/10.1016/j.omtm.2022.09.016
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author Lak, Shirin
Janelle, Valérie
Djedid, Anissa
Boudreau, Gabrielle
Brasey, Ann
Lisi, Véronique
Smaani, Ali
Carli, Cédric
Busque, Lambert
Lavallée, Vincent-Philippe
Delisle, Jean-Sébastien
author_facet Lak, Shirin
Janelle, Valérie
Djedid, Anissa
Boudreau, Gabrielle
Brasey, Ann
Lisi, Véronique
Smaani, Ali
Carli, Cédric
Busque, Lambert
Lavallée, Vincent-Philippe
Delisle, Jean-Sébastien
author_sort Lak, Shirin
collection PubMed
description Antigen-specific T cell expansion ex vivo followed by adoptive transfer enables targeting of a multitude of microbial and cancer antigens. However, clinical-scale T cell expansion from rare precursors requires repeated stimulation, which may lead to T cell dysfunction and limited therapeutic potential. We used a clinically compliant protocol to expand Epstein-Barr virus (EBV) and Wilms tumor 1 (WT1) antigen-specific CD8(+) T cells, and leveraged T cell exhaustion-associated inhibitory receptor blockade to improve T cell expansion. Several inhibitory receptors were expressed early by ex vivo-expanded antigen-specific CD8(+) T cells, including PD-1 and TIM3, with co-expression matching evidence of T cell dysfunction as the cultures progressed. Introduction of anti-PD-L1 and anti-TIM3 blockade in combination (but not individually) to the culture led to markedly improved antigen-specific T cell expansion without inducing T cell dysfunction. Single-cell RNA sequencing (RNA-seq) and T cell receptor (TCR) repertoire profiling revealed that double blockade does not impart specific transcriptional programs in T cells or alterations in TCR repertoires. However, combined blockade may affect gene expression in a minority of clonotypes in a donor-specific fashion. We conclude that antigen-specific CD8(+) T cell manufacturing can be improved by using TIM3 and PD-L1/PD-1 axis blockade in combination. This approach is readily applicable to several adoptive immunotherapy strategies.
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spelling pubmed-95932542022-10-31 Combined PD-L1 and TIM3 blockade improves expansion of fit human CD8(+) antigen-specific T cells for adoptive immunotherapy Lak, Shirin Janelle, Valérie Djedid, Anissa Boudreau, Gabrielle Brasey, Ann Lisi, Véronique Smaani, Ali Carli, Cédric Busque, Lambert Lavallée, Vincent-Philippe Delisle, Jean-Sébastien Mol Ther Methods Clin Dev Original Article Antigen-specific T cell expansion ex vivo followed by adoptive transfer enables targeting of a multitude of microbial and cancer antigens. However, clinical-scale T cell expansion from rare precursors requires repeated stimulation, which may lead to T cell dysfunction and limited therapeutic potential. We used a clinically compliant protocol to expand Epstein-Barr virus (EBV) and Wilms tumor 1 (WT1) antigen-specific CD8(+) T cells, and leveraged T cell exhaustion-associated inhibitory receptor blockade to improve T cell expansion. Several inhibitory receptors were expressed early by ex vivo-expanded antigen-specific CD8(+) T cells, including PD-1 and TIM3, with co-expression matching evidence of T cell dysfunction as the cultures progressed. Introduction of anti-PD-L1 and anti-TIM3 blockade in combination (but not individually) to the culture led to markedly improved antigen-specific T cell expansion without inducing T cell dysfunction. Single-cell RNA sequencing (RNA-seq) and T cell receptor (TCR) repertoire profiling revealed that double blockade does not impart specific transcriptional programs in T cells or alterations in TCR repertoires. However, combined blockade may affect gene expression in a minority of clonotypes in a donor-specific fashion. We conclude that antigen-specific CD8(+) T cell manufacturing can be improved by using TIM3 and PD-L1/PD-1 axis blockade in combination. This approach is readily applicable to several adoptive immunotherapy strategies. American Society of Gene & Cell Therapy 2022-10-04 /pmc/articles/PMC9593254/ /pubmed/36320412 http://dx.doi.org/10.1016/j.omtm.2022.09.016 Text en © 2022 The Author(s) https://creativecommons.org/licenses/by/4.0/This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Original Article
Lak, Shirin
Janelle, Valérie
Djedid, Anissa
Boudreau, Gabrielle
Brasey, Ann
Lisi, Véronique
Smaani, Ali
Carli, Cédric
Busque, Lambert
Lavallée, Vincent-Philippe
Delisle, Jean-Sébastien
Combined PD-L1 and TIM3 blockade improves expansion of fit human CD8(+) antigen-specific T cells for adoptive immunotherapy
title Combined PD-L1 and TIM3 blockade improves expansion of fit human CD8(+) antigen-specific T cells for adoptive immunotherapy
title_full Combined PD-L1 and TIM3 blockade improves expansion of fit human CD8(+) antigen-specific T cells for adoptive immunotherapy
title_fullStr Combined PD-L1 and TIM3 blockade improves expansion of fit human CD8(+) antigen-specific T cells for adoptive immunotherapy
title_full_unstemmed Combined PD-L1 and TIM3 blockade improves expansion of fit human CD8(+) antigen-specific T cells for adoptive immunotherapy
title_short Combined PD-L1 and TIM3 blockade improves expansion of fit human CD8(+) antigen-specific T cells for adoptive immunotherapy
title_sort combined pd-l1 and tim3 blockade improves expansion of fit human cd8(+) antigen-specific t cells for adoptive immunotherapy
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9593254/
https://www.ncbi.nlm.nih.gov/pubmed/36320412
http://dx.doi.org/10.1016/j.omtm.2022.09.016
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