Journal
EXPERT REVIEWS IN MOLECULAR MEDICINE
Volume 24, Issue -, Pages -Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/erm.2021.32
Keywords
Adoptive cell transfer; chimeric antigen receptor; T cell engineering; tumour immunotherapy
Funding
- NIH/NCI [CA168912, CA235159]
- Augusta University startup package
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This article reviews the factors that affect the activation, effector function, in vivo persistence, and antitumor effects of chimeric antigen receptor T cells (CAR-T). These factors include T cell subsets, CAR design, expression promoters and delivery vectors, and CAR-T production process. The comparison between CAR signaling and TCR activation is also discussed. The article provides insights into CAR design for solid tumors, focusing on strategies to improve CAR-T tumor infiltration and survival in the hostile tumor microenvironment.
In this article, we reviewed the current literature studies and our understanding of the parameters that affect the chimeric antigen receptor T cells (CAR-T's) activation, effector function, in vivo persistence, and antitumour effects. These factors include T cell subsets and their differentiation stages, the components of chimeric antigen receptors (CAR) design, the expression promoters and delivery vectors, and the CAR-T production process. The CAR signalling and CAR-T activation were also studied in comparison to TCR. The last section of the review gave special consideration of CAR design for solid tumours, focusing on strategies to improve CAR-T tumour infiltration and survival in the hostile tumour microenvironment. With several hundred clinical trials undergoing worldwide, the pace of CAR-T immunotherapy moves from bench to bedside is unprecedented. We hope that the article will provide readers a clear and comprehensive view of this rapidly evolving field and will help scientists and physician to design effective CAR-Ts immunotherapy for solid tumours.
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