Med. Weter. 81

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YAPING CHEN, XINYI ZHAO, WENSHUANG CHEN, XINQI SONG, LI YANG, RUOYU ZHAO, MEILONG SONG, BINGBING ZHANG, DONGYU LIU
Preliminary Screening of Traditional Medicine Against Porcine Reproductive and Respiratory Syndrome Virus
Objective: Due to the lack of specific anti-PRRSV drugs and limited cross-protection of the vaccine, PRRSV outbreaks cause substantial economic and social losses. This study aimed to identify anti-PRRSV agents from traditional Chinese medicines and predict their antiviral mechanisms. Methods: Screen anti-PRRSV agents by CCK-8/RT-qPCR assays and predict their mechanisms using network pharmacology. Results: Resveratrol, berberine, puerarin, Portulaca oleracea water extract, and vanillic acid exhibited anti-PRRSV activity. Their potential molecular targets/mechanisms were predicted via network pharmacology. Conclusion: Five anti- PRRSV agents were screened, their targets and mechanisms elucidated, providing a theoretical basis for the development of PRRSV drugs and further studies.
Keywords: Porcine reproductive and respiratory syndrome virus, Antiviral drugs, Network pharmacology