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Enhancing CAR-T cell functionality in a patient-specific manner
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Journal Article
Enhancing CAR-T cell functionality in a patient-specific manner
2023
Overview
Patient responses to autologous CD19 chimeric antigen receptor (CAR) T-cell therapies are limited by insufficient and inconsistent cellular functionality. Here, we show that controlling the precise level of stimulation during T-cell activation to accommodate individual differences in the donor cells will dictate the functional attributes of CAR-T cell products. The functionality of CAR-T cell products, consisting of a diverse set of blood samples derived from healthy donors, acute lymphoblastic leukemia (ALL), and chronic lymphocytic lymphoma (CLL) patient samples, representing a range of patient health status, is tested upon culturing on artificial antigen-presenting cell scaffolds to deliver T-cell stimulatory ligands (anti-CD3/anti-CD28) at highly defined densities. A clear relationship is observed between the dose of stimulation, the phenotype of the T-cell blood sample prior to T-cell activation, and the functionality of the resulting CAR-T cell products. We present a model, based on this dataset, that predicts the precise stimulation needed to manufacture a desired CAR-T cell product, given the input T-cell attributes in the initial blood sample. These findings demonstrate a simple approach to enhance CAR-T functionality by personalizing the level of stimulation during T-cell activation to enable flexible manufacturing of more consistent and potent CAR-T cells.
‘Manufacturing CAR-T cells is a streamlined and highly regulated procedure involving T-cell-expansion and activation on a standardised platform. Here, the authors show that a personalized approach, taking the phenotypic attributes of individual patients’ T cells into account, leads to more efficient CAR-T cell manufacturing and better CAR-T cell functionality.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ 13/106
/ 13/21
/ 13/31
/ 13/44
/ 59/5
/ 64/60
/ Acute lymphoblastic leukemia
/ Antigens
/ Blood
/ Chronic lymphocytic leukemia
/ Flexible manufacturing systems
/ Humanities and Social Sciences
/ Humans
/ Leukemia
/ Lymphoma
/ Science
