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Nucleolin (Ncl) Inhibits The Growth Of Peste Des Petits Ruminants Virus

文献类型： 外文期刊

作者： Dong, DD; Zhu, SQ; Miao, QH; Zhu, J; Tang, AX; Qi, RB; Liu, T; Yin, DD; Liu, GQ

作者机构：

关键词： Peste Des Petits Ruminants Virus; N Protein; Nucleolin

期刊名称： JOURNAL OF GENERAL VIROLOGY

ISSN： 0022-1317

年卷期： 2020 年 101 卷 1 期

页码：

收录情况： JCR（2021版）

摘要： Peste des petits ruminants (PPR) is a highly contagious disease of small ruminants that is caused by peste des petits ruminants virus (PPRV). To date, the molecular mechanism of PPRV infection is still unclear. It is well known that host proteins might be involved in the pathogenesis process for many viruses. In this study, we first proved that nucleolin (NCL), a highly conserved host factor, interacts with the core domain of PPRV N protein through its C terminus and co-locates with the N protein in the nucleus of cells. To investigate the role of NCL in PPRV infection, the expression level of NCL was inhibited with small interfering RNAs of NCL, and the results showed that PPRV growth was improved. However, the proliferation of PPRV was inhibited when the expression level of NCL was improved. Further analysis indicated that the inhibitory effect of NCL on the PPRV was caused by stimulating the interferon (IFN) pathways in host cells. In summary, our results will help us to understand the mechanism of PPRV infection.

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