期刊
VIRUSES-BASEL
卷 15, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/v15020390
关键词
foot-and-mouth disease virus; Mn2+; antiviral effect; cytokines
类别
Foot-and-mouth disease (FMD) is a contagious disease that affects cloven-hoofed animals. Current emergency FMD vaccines have limited early protective effects, leading to the use of antiviral drugs or additives to control outbreaks. This study found that manganese (Mn2+) has antiviral effects against FMDV in both cells and mice, suggesting it as a potential effective antiviral additive for controlling FMDV infection.
Foot-and-mouth disease (FMD) is an acute contagious disease of cloven-hoofed animals such as cattle, pigs, and sheep. Current emergency FMD vaccines are of limited use for early protection because their protective effect starts 7 days after vaccination. Therefore, antiviral drugs or additives are used to rapidly stop the spread of the virus during FMD outbreaks. Manganese (Mn2+) was recently found to be an important substance necessary for the host to protect against DNA viruses. However, its antiviral effect against RNA viruses remains unknown. In this study, we found that Mn2+ has antiviral effects on the FMD virus (FMDV) both in PK15 cells and mice. The inhibitory effect of Mn2+ on FMDV involves NF-kappa B activation and up-regulation of interferon-stimulated genes. Animal experiments showed that Mn2+ can be highly effective in protecting C57BL/6N mice from being infected with FMDV. Overall, we suggest Mn2+ as an effective antiviral additive for controlling FMDV infection.
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