期刊
FRONTIERS IN ONCOLOGY
卷 13, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fonc.2023.1245248
关键词
immunotherapy; immunotargeting; cancer therapy; tumor microenvironment; extracellular vesicles; microvesicles; ectosomes
类别
Early-stage tumors become invisible to the immune system, and clinical treatments become ineffective when the immune system fails. Restoring the natural anti-tumor role of the immune system could be a promising approach for cancer treatment.
In the early stages of carcinogenesis, the transformed cells become invisible to the immune system. From this moment on, the evolution of the tumor depends essentially on the genotype of the primitive cancer cells and their subsequent genetic drift. The role of the immune system in blocking tumor progression from the earliest stages is largely underestimated because by the time tumors are clinically detectable, the immune system has already completely failed its task. Therefore, a clinical treatment capable of restoring the natural anti-tumor role of the immune system could prove to be the ultimate weapon against cancer. Herein, we propose a novel therapeutic approach for the treatment of solid cancer that exploits the capability of activated monocytes to transfer major histocompatibility complex I (MHC-I) molecules bound to antigenic peptides to cancer cells using microvesicles as cargo, making tumor cells target of a natural CD8+ T lymphocyte cytotoxic response.
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