Lithium chloride inhibits early stages of foot-and-mouth disease virus (FMDV) replication in vitro

文献类型： 外文期刊

第一作者： Zhao, Fu-Rong

作者： Zhao, Fu-Rong;Xie, Yin-Li;Liu, Ze-Zhong;Shao, Jun-Jun;Li, Shi-Fang;Zhang, Yong-Guang;Chang, Hui-Yun;Zhao, Fu-Rong;Xie, Yin-Li;Liu, Ze-Zhong;Shao, Jun-Jun;Li, Shi-Fang;Zhang, Yong-Guang;Chang, Hui-Yun;Zhao, Fu-Rong

作者机构：

关键词： antiviral effect;FMDV;LiCl;the early stages

期刊名称：JOURNAL OF MEDICAL VIROLOGY （ 影响因子：2.327； 五年影响因子：2.075 ）

ISSN： 0146-6615

年卷期： 2017 年 89 卷 11 期

页码：

收录情况： SCI

摘要： Foot-and-mouth disease virus (FMDV) causes an economically important and highly contagious disease of cloven-hoofed animals such as cattle, swine, and sheep. FMD vaccine is the traditional way to protect against the disease, which can greatly reduce its occurrence. However, the use of FMD vaccines to protect early infection is limited. Therefore, the alternative strategy of applying antiviral agents is required to control the spread of FMDV in outbreak situations. As previously reported, LiCl has obviously inhibition effects on a variety of viruses such as transmissible gastroenteritis virus (TGEV), infectious bronchitis coronavirus (IBV), and pseudorabies herpesvirus and EV-A71 virus. In this study, our findings were the first to demonstrate that LiCl inhibition of the FMDV replication. In this study, BHK-21 cell was dose-dependent with LiCl at various stages of FMDV. Virus titration assay was calculated by the 50% tissue culture infected dose (TCID50) with the Reed and Muench method. The cytotoxicity assay of LiCl was performed by the CCK8 kit. The expression level of viral mRNA was measured by RT-qPCR. The results revealed LiCl can inhibit FMDV replication, but it cannot affect FMDV attachment stage and entry stage in the course of FMDV life cycle. Further studies confirmed that the LiCl affect the replication stage of FMDV, especially the early stages of FMDV replication. So LiCl has potential as an effective anti-FMDV drug. Therefore, LiCl may be an effective drug for the control of FMDV. Based on that, the mechanism of the antiviral effect of LiCl on FMDV infection is need to in-depth research in vivo.

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