The role of miRNAs in T helper cell development, activation, fate decisions and tumor immunity.

The role of miRNAs in T helper cell development, activation, fate decisions and tumor immunity.
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DOI:
10.3389/fimmu.2023.1320305
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发表时间:
2023
影响因子:
7.3
通讯作者:
Li HL
Li HL
中科院分区:
医学2区
文献类型:
--
作者:
Xu SJ;Chen JH;Chang S;Li HL

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辅助性T细胞(Th)是获得性免疫的核心成员,并且通过分泌特异性细胞因子而构成抵抗病原体感染和恶性细胞侵袭的最后防线。然后,这些细胞因子吸引或诱导其他免疫细胞的活化和分化,包括产生抗体的B细胞和细胞毒性CD8+ T细胞。因此,Th细胞和肿瘤细胞之间的双向通信及其在肿瘤微环境(TME),特别是肿瘤免疫微环境(TIME)中的定位塑造了肿瘤免疫景观,影响疾病的发生和发展。TME和TIME中Th细胞的类型、数量和状况强烈影响肿瘤免疫,其由关键效应物(例如颗粒酶、穿孔素、细胞因子和趋化因子)精确调节。此外,微小RNA(miRNAs)已成为Th细胞的重要调节因子。本文就miRNAs在Th细胞介导的适应性免疫中的作用进行综述,重点介绍miRNAs在Th细胞的发育、活化、命运决定和肿瘤免疫中的作用。
T helper (Th) cells are central members of adaptive immunity and comprise the last line of defense against pathogen infection and malignant cell invasion by secreting specific cytokines. These cytokines then attract or induce the activation and differentiation of other immune cells, including antibody-producing B cells and cytotoxic CD8+ T cells. Therefore, the bidirectional communication between Th cells and tumor cells and their positioning within the tumor microenvironment (TME), especially the tumor immune microenvironment (TIME), sculpt the tumor immune landscape, which affects disease initiation and progression. The type, number, and condition of Th cells in the TME and TIME strongly affect tumor immunity, which is precisely regulated by key effectors, such as granzymes, perforins, cytokines, and chemokines. Moreover, microRNAs (miRNAs) have emerged as important regulators of Th cells. In this review, we discuss the role of miRNAs in regulating Th cell mediated adaptive immunity, focusing on the development, activation, fate decisions, and tumor immunity.
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