Control of NK Cell Activation by Immune Checkpoint Molecules.

Control of NK Cell Activation by Immune Checkpoint Molecules.
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DOI:
10.3390/ijms18102129
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发表时间:
2017-10-12
影响因子:
5.6
通讯作者:
Caillat-Zucman S
Caillat-Zucman S
中科院分区:
生物学2区
文献类型:
--
作者:
Beldi-Ferchiou A;Caillat-Zucman S

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癌症和慢性感染的发展受到许多免疫逃逸机制的促进,其中包括在耗竭的T细胞上免疫检查点分子(如程序性死亡受体1(PD - 1)和细胞毒性T淋巴细胞相关抗原4(CTLA - 4))表达增强。最近,免疫检查点抑制剂在多种癌症的治疗中显示出显著的疗效。然而,免疫检查点在自然杀伤(NK)细胞上的表达及其对NK细胞效应功能的影响却很少被研究。在这篇综述中,我们重点关注目前关于NK细胞中各种免疫检查点表达的知识,以及它如何改变NK细胞介导的细胞毒性和细胞因子产生。剖析这些抑制机制在NK细胞中的作用对于全面理解使用检查点抑制剂治疗癌症和慢性感染的免疫疗法的作用机制至关重要。
The development of cancer and chronic infections is facilitated by many subversion mechanisms, among which enhanced expression of immune checkpoints molecules, such as programmed death-1 (PD-1) and cytotoxic T lymphocyte-associated antigen 4 (CTLA-4), on exhausted T cells. Recently, immune checkpoint inhibitors have shown remarkable efficiency in the treatment of a number of cancers. However, expression of immune checkpoints on natural killer (NK) cells and its functional consequences on NK cell effector functions are much less explored. In this review, we focus on the current knowledge on expression of various immune checkpoints in NK cells, how it can alter NK cell-mediated cytotoxicity and cytokine production. Dissecting the role of these inhibitory mechanisms in NK cells is critical for the full understanding of the mode of action of immunotherapies using checkpoint inhibitors in the treatment of cancers and chronic infections.
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