Next-generation T cell immunotherapy: overcoming exhaustion, senescence, and suppression

T-cells are a core component of tumor immunotherapy because of their potent ability to identify and kill cancer cells. Yet efficacy is limited by exhaustion, senescence, metabolic dysregulation, an immunosuppressive tumor microenvironment (TME), and limited persistence. This review analyzed these ke...

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Veröffentlicht in:Frontiers in immunology Jg. 16; S. 1662145
Hauptverfasser: Li, Guangmei, Li, Dengju, Zhu, Xiaojian
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Switzerland Frontiers Media S.A 2025
Schlagworte:
Animals
Cellular Senescence - immunology
Humans
Immunotherapy - methods
Immunotherapy, Adoptive - methods
Lymphocyte Activation
metabolic regulation
microenvironment optimization
Neoplasms - immunology
Neoplasms - metabolism
Neoplasms - therapy
T-cell enhancement
T-cell exhaustion and aging
T-Lymphocytes - immunology
T-Lymphocytes - metabolism
T-Lymphocytes - transplantation
tumor immunotherapy
Tumor Microenvironment - immunology
tumor immunotherapy
T-cell enhancement
T-cell exhaustion and aging
metabolic regulation
microenvironment optimization
ISSN:1664-3224, 1664-3224
Online-Zugang:Volltext
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Zusammenfassung:T-cells are a core component of tumor immunotherapy because of their potent ability to identify and kill cancer cells. Yet efficacy is limited by exhaustion, senescence, metabolic dysregulation, an immunosuppressive tumor microenvironment (TME), and limited persistence. This review analyzed these key issues and proposed targeted improvement strategies. Emerging approaches encompass pharmacological modulation of T cell activation and survival pathways, epigenetic reprogramming to reverse exhaustion and senescence, metabolic engineering, combinatorial targeting of immunosuppressive TME components and advanced genetic tools, notably CRISPR-Cas9–based CAR-T optimization, which exemplifies how precise genome editing can enhance therapeutic efficacy. We review the progress and prospects of T-cell improvement strategies in tumor immunotherapy, emphasizing the need for further exploration to enhance the broader application and long-term efficacy of T-cell therapies. This review highlights recent advances and future directions in T-cell engineering, metabolic modulation, and microenvironment targeting, aiming to translate innovations into effective cancer immunotherapies.
Bibliographie:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
ObjectType-Review-3
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ISSN:1664-3224
1664-3224
DOI:10.3389/fimmu.2025.1662145