Natural killer cells: a promising immunotherapy for cancer

Autor: Junfeng Chu, Fengcai Gao, Meimei Yan, Shuang Zhao, Zheng Yan, Bian Shi, Yanyan Liu
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Journal of Translational Medicine, Vol 20, Iss 1, Pp 1-19 (2022)
Druh dokumentu: article
ISSN: 1479-5876
DOI: 10.1186/s12967-022-03437-0
Popis: Abstract As a promising alternative platform for cellular immunotherapy, natural killer cells (NK) have recently gained attention as an important type of innate immune regulatory cell. NK cells can rapidly kill multiple adjacent cancer cells through non-MHC-restrictive effects. Although tumors may develop multiple resistance mechanisms to endogenous NK cell attack, in vitro activation, expansion, and genetic modification of NK cells can greatly enhance their anti-tumor activity and give them the ability to overcome drug resistance. Some of these approaches have been translated into clinical applications, and clinical trials of NK cell infusion in patients with hematological malignancies and solid tumors have thus far yielded many encouraging clinical results. CAR-T cells have exhibited great success in treating hematological malignancies, but their drawbacks include high manufacturing costs and potentially fatal toxicity, such as cytokine release syndrome. To overcome these issues, CAR-NK cells were generated through genetic engineering and demonstrated significant clinical responses and lower adverse effects compared with CAR-T cell therapy. In this review, we summarize recent advances in NK cell immunotherapy, focusing on NK cell biology and function, the types of NK cell therapy, and clinical trials and future perspectives on NK cell therapy.
Databáze: Directory of Open Access Journals
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