Cancer immunotherapy with CAR T cells: well-trodden paths and journey along lesser-known routes

Chimeric antigen receptor (CAR) T cell therapy is a clinically approved cancer immunotherapy approach using genetically engineered T cells. The success of CAR T cells has been met with challenges regarding efficacy and safety. Although a broad spectrum of CAR T cell variants and applications is emer...

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Main Author: Smole Anze
Format: Article
Language:English
Published: Sciendo 2022-12-01
Series:Radiology and Oncology
Subjects:
Online Access:https://doi.org/10.2478/raon-2022-0049
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author Smole Anze
author_facet Smole Anze
author_sort Smole Anze
collection DOAJ
description Chimeric antigen receptor (CAR) T cell therapy is a clinically approved cancer immunotherapy approach using genetically engineered T cells. The success of CAR T cells has been met with challenges regarding efficacy and safety. Although a broad spectrum of CAR T cell variants and applications is emerging, this review focuses on CAR T cells for the treatment of cancer. In the first part, the general principles of adoptive cell transfer, the architecture of the CAR molecule, and the effects of design on function are presented. The second part describes five conceptual challenges that hinder the success of CAR T cells; immunosuppressive tumour microenvironment, T cell intrinsic properties, tumour targeting, manufacturing cellular product, and immune-related adverse events. Throughout the review, selected current approaches to address these issues are presented.
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spelling doaj.art-cff800df31e24abea66a972c96b9666c2023-04-11T17:19:28ZengSciendoRadiology and Oncology1581-32072022-12-0156440941910.2478/raon-2022-0049Cancer immunotherapy with CAR T cells: well-trodden paths and journey along lesser-known routesSmole Anze0Immunology and Cellular Immunotherapy (ICI) Group, Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, SloveniaChimeric antigen receptor (CAR) T cell therapy is a clinically approved cancer immunotherapy approach using genetically engineered T cells. The success of CAR T cells has been met with challenges regarding efficacy and safety. Although a broad spectrum of CAR T cell variants and applications is emerging, this review focuses on CAR T cells for the treatment of cancer. In the first part, the general principles of adoptive cell transfer, the architecture of the CAR molecule, and the effects of design on function are presented. The second part describes five conceptual challenges that hinder the success of CAR T cells; immunosuppressive tumour microenvironment, T cell intrinsic properties, tumour targeting, manufacturing cellular product, and immune-related adverse events. Throughout the review, selected current approaches to address these issues are presented.https://doi.org/10.2478/raon-2022-0049chimeric antigen receptoradoptive cell therapycancercellular immunotherapygene-engineered immune cells
spellingShingle Smole Anze
Cancer immunotherapy with CAR T cells: well-trodden paths and journey along lesser-known routes
Radiology and Oncology
chimeric antigen receptor
adoptive cell therapy
cancer
cellular immunotherapy
gene-engineered immune cells
title Cancer immunotherapy with CAR T cells: well-trodden paths and journey along lesser-known routes
title_full Cancer immunotherapy with CAR T cells: well-trodden paths and journey along lesser-known routes
title_fullStr Cancer immunotherapy with CAR T cells: well-trodden paths and journey along lesser-known routes
title_full_unstemmed Cancer immunotherapy with CAR T cells: well-trodden paths and journey along lesser-known routes
title_short Cancer immunotherapy with CAR T cells: well-trodden paths and journey along lesser-known routes
title_sort cancer immunotherapy with car t cells well trodden paths and journey along lesser known routes
topic chimeric antigen receptor
adoptive cell therapy
cancer
cellular immunotherapy
gene-engineered immune cells
url https://doi.org/10.2478/raon-2022-0049
work_keys_str_mv AT smoleanze cancerimmunotherapywithcartcellswelltroddenpathsandjourneyalonglesserknownroutes