Functional characterization of goose IRF1 in IFN induction and anti-NDV infection.

Functional characterization of goose IRF1 in IFN induction and anti-NDV infection.
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鹅IRF1在IFN诱导和抗NDV感染中的功能特征

DOI:
10.1186/s13567-022-01046-9
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发表时间:
2022-04-04
影响因子:
4.4
通讯作者:
Cheng Y
Cheng Y
中科院分区:
农林科学2区
文献类型:
--
作者:
Lin Z;Wang J;Zhang N;Yi J;Wang Z;Ma J;Wang H;Yan Y;Qian K;Sun J;Cheng Y

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干扰素调节因子(IRFs)在免疫应答的许多方面起着关键作用,IRF1、IRF3和IRF7是哺乳动物干扰素诱导的正调控因子。然而,IRF3作为哺乳动物中最关键的调节因子,在鸟类中是天然缺失的,这吸引了我们研究鸟类IRF家族其他成员的功能。在本研究中,我们克隆了鹅IRF1(GoIRF1),并进行了一系列的生物信息学分析,以比较GoIRF1与其他物种IRF1的蛋白质同源性。在DF-1细胞中过表达GoIRF1诱导了干扰素-β的激活,并且这种激活不依赖于载体的剂量。GoIRF1在鹅胚胎成纤维细胞(GEF)中的过表达诱导了IFN、促炎细胞因子和干扰素刺激基因(ISGs)的表达,并抑制了绿色荧光蛋白(GFP)标记的新城疫病毒(NDV-GFP)和GFP标记的水泡性口炎病毒(VSV)的复制。我们的结果表明,GoIRF1是IFN、促炎细胞因子和ISGs的重要调节因子,并在鹅的抗病毒天然免疫中发挥作用。
Interferon regulatory factors (IRFs) play a key role in many aspects of immune response, and IRF1, IRF3, and IRF7 are positive regulators of IFN induction in mammals. However, IRF3, as the most critical regulatory factor in mammals, is naturally absent in birds, which attracts us to study the functions of other members of the avian IRF family. In the present study, we cloned goose IRF1 (GoIRF1) and conducted a series of bioinformatics analyses to compare the protein homology of GoIRF1 with that of IRF1 in other species. The overexpression of GoIRF1 in DF-1 cells induced the activation of IFN-β, and this activation is independent of the dosage of the transfected GoIRF1 plasmids. The overexpression of GoIRF1 in goose embryonic fibroblasts (GEFs) induced the expression of IFNs, proinflammatory cytokines, and IFN-stimulated genes (ISGs); it also inhibited the replication of green fluorescent protein (GFP)-tagged Newcastle disease virus (NDV) (NDV-GFP) and GFP-tagged vesicular stomatitis virus (VSV) (VSV-GFP). Our results suggest that GoIRF1 is an important regulator of IFNs, proinflammatory cytokines, and ISGs and plays a role in antiviral innate immunity in geese.
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发表时间: 2010-05-05
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DOI: 10.1016/j.dci.2018.07.003
发表时间: 2018-11-01
影响因子: 2.9
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