Ribosomal Protein L13 Participates in Innate Immune Response Induced by Foot-and-Mouth Disease Virus.

Ribosomal Protein L13 Participates in Innate Immune Response Induced by Foot-and-Mouth Disease Virus.
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核糖体蛋白L13参与了脚和口腔疾病病毒引起的先天免疫反应。

DOI:
10.3389/fimmu.2021.616402
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发表时间:
2021
影响因子:
7.3
通讯作者:
Guo H
Guo H
中科院分区:
医学2区
文献类型:
--
作者:
Guan J;Han S;Wu J;Zhang Y;Bai M;Abdullah SW;Sun S;Guo H

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除了核糖体蛋白质合成和蛋白质翻译之外,核糖体蛋白质还参与肿瘤发生和肿瘤进展、免疫应答和病毒复制。在这里,我们表明,核糖体蛋白L13(RPL 13)参与口蹄疫病毒(FMDV)诱导的抗病毒免疫反应,抑制FMDV复制。RPL 13的过表达促进了核因子-κB(NF-κB)和干扰素-β(IFN-β)基因启动子的诱导和激活,以及抗病毒因子IFN-β和促炎细胞因子白细胞介素-6(IL-6)的表达和蛋白分泌。RPL 13的敲低具有相反的效果。我们还发现FMDV 3Cpro蛋白酶与RPL 13相互作用,并且其活性降低RPL 13的表达,从而拮抗RPL 13介导的抗病毒活性。这项研究扩展了我们对核糖体蛋白的核糖体外功能的认识,并为细胞抗病毒防御和病毒拮抗机制提供了新的科学信息。
In addition to ribosomal protein synthesis and protein translation, ribosomal proteins also participate in tumorigenesis and tumor progression, immune responses, and viral replication. Here, we show that ribosomal protein L13 (RPL13) participates in the antiviral immune response induced by foot-and-mouth disease virus (FMDV), inhibiting FMDV replication. The overexpression of RPL13 promoted the induction and activation of the promoters of the nuclear factor-κB (NF-κB) and interferon-β (IFN-β) genes, and the expression and protein secretion of the antiviral factor IFN-β and proinflammatory cytokine interleukin-6 (IL-6). The knockdown of RPL13 had the opposite effects. We also found that the FMDV 3Cpro protease interacts with RPL13, and that its activity reduces the expression of RPL13, thus antagonizing the RPL13-mediated antiviral activity. This study extends our knowledge of the extraribosomal functions of ribosomal proteins and provides new scientific information on cellular antiviral defenses and virus-antagonizing mechanisms.
口蹄疫病毒感染通过 3C(pro) 降解 ATG5-ATG12 抑制自噬和 NF-kappa B 抗病毒反应
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