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CD5 deletion enhances the antitumor activity of adoptive T cell therapies

Inkook Chun, Ruchi P. Patel, Guido Ghilardi, Yunlin Zhang and 47 more

Science Immunology | Jul 19, 2024 | 41 citations

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What this paper is about

It is found that CD5 inhibits CAR T cell activation and that knockout (KO) of CD5 using CRISPR-Cas9 enhances the antitumor effect of CAR T cells in multiple hematological and solid cancer models, indicating that CD5 is a critical inhibitor of T cell function and a potential clinical target for enhancing T cell therapies.

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Most patients treated with US Food and Drug Administration (FDA)-approved chimeric antigen receptor (CAR) T cells eventually experience disease progression. Furthermore, CAR T cells have not been curative against solid cancers and several hematological malignancies such as T cell lymphomas, which have very poor prognoses. One of the main barriers to the clinical success of adoptive T cell immunotherapies is CAR T cell dysfunction and lack of expansion and/or persistence after infusion. In this study, we found that CD5 inhibits CAR T cell activation and that knockout (KO) of CD5 using CRISPR-Cas9 enhances the antitumor effect of CAR T cells in multiple hematological and solid cancer models. Mechanistically, CD5 KO drives increased T cell effector function with enhanced cytotoxicity, in vivo expansion, and persistence, without apparent toxicity in preclinical models. These findings indicate that CD5 is a critical inhibitor of T cell function and a potential clinical target for enhancing T cell therapies.

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Authors

Researchers on this paper

Inkook Chun

middle | University of Pennsylvania | ORCID 0000-0001-6450-2358

Ruchi P. Patel

first | University of Pennsylvania | ORCID 0000-0001-8366-1928

Guido Ghilardi

middle | UPMC Hillman Cancer Center | ORCID 0000-0002-0095-3579

Yunlin Zhang

middle | UPMC Hillman Cancer Center | ORCID 0000-0002-5608-0615

Yi‐Hao Chiang

middle | University of Pennsylvania | ORCID 0009-0005-8170-8629

Wei Xie

middle | Union Hospital | ORCID 0000-0002-4358-3950

Puneeth Guruprasad

middle | University of Pennsylvania | ORCID 0000-0001-9615-1935

Ki Hyun Kim

middle | University of Pennsylvania | ORCID 0000-0001-8835-7511

Mathew G. Angelos

middle | UPMC Hillman Cancer Center | ORCID 0000-0002-9903-5021

Raymone Pajarillo

middle | University of Pennsylvania | ORCID 0000-0003-3299-0929

Seok Jae Hong

middle | UPMC Hillman Cancer Center | ORCID 0000-0001-5360-8800

Yong Gu Lee

middle | University of Pennsylvania | ORCID 0000-0001-8099-628X

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Citation

BibTeX

@article{Chun2024deletion,
  title = {CD5 deletion enhances the antitumor activity of adoptive T cell therapies},
  author = {Inkook Chun and Ruchi P. Patel and Guido Ghilardi and Yunlin Zhang and Yi‐Hao Chiang and Wei Xie and Puneeth Guruprasad and Ki Hyun Kim and Mathew G. Angelos and Raymone Pajarillo and Seok Jae Hong and Yong Gu Lee and Olga Shestova and Carolyn E. Shaw and Ivan Cohen and Aasha Gupta and Trang Vu and Dean Qian and Steven Yang and Aditya Nimmagadda and Adam E. Snook and Nicholas A. Siciliano and Antonia Rotolo and Arati A. Inamdar and Jaryse Harris and Ositadimma Ugwuanyi and Michael Wang and Alberto Carturan and Luca Paruzzo and Linhui Chen and Hatcher J. Ballard and Tatiana Blanchard and Chong Xu and Mohamed Abdel‐Mohsen and Khatuna Gabunia and Maria Wysocka and Gerald P. Linette and Beatriz M. Carreno and David M. Barrett and David T. Teachey and Avery D. Posey and Daniel J. Powell and C Sauter and Stefano Pileri and Vinodh Pillai and John Scholler and Alain H. Rook and Stephen J. Schuster and Stefan K. Barta and Patrizia Porazzi and Marco Ruella},
  journal = {Science Immunology},
  year = {2024},
  doi = {10.1126/sciimmunol.adn6509},
  url = {https://doi.org/10.1126/sciimmunol.adn6509}
}

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