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http://dx.doi.org/10.5352/JLS.2022.32.5.375

Antiviral Activity of Plant-derived Natural Products against Influenza Viruses  

Kim, Seonjeong (Department of Biological Sciences and Biotechnology Major in Bio-Vaccine engineering, Andong National University)
Kim, Yewon (Department of Biological Sciences and Biotechnology Major in Bio-Vaccine engineering, Andong National University)
Kim, Ju Won (Department of Biological Sciences and Biotechnology Major in Bio-Vaccine engineering, Andong National University)
Hwang, Yu-bin (Department of Biological Sciences and Biotechnology Major in Bio-Vaccine engineering, Andong National University)
Kim, Seong Hyeon (Department of Biological Sciences and Biotechnology Major in Bio-Vaccine engineering, Andong National University)
Jang, Yo Han (Department of Biological Sciences and Biotechnology Major in Bio-Vaccine engineering, Andong National University)
Publication Information
Journal of Life Science / v.32, no.5, 2022 , pp. 375-390 More about this Journal
Abstract
Influenza viruses are zoonotic respiratory pathogens, and influenza infections have caused a substantial burden on public health systems and the livestock industry. Although currently approved seasonal influenza vaccines have shown potent protection efficacy against antigenically well-matched strains, there are considerable unmet needs for the efficient control of viral infections. Enormous efforts have been made to develop broadly protective universal influenza vaccines to tackle the huge levels of genetic diversity and variability of influenza viruses. In addition, antiviral drugs have been considered important interventions for the treatment of viral infections. The viral neuraminidase inhibitor oseltamivir is the most widely used antiviral medication to treat influenza A and influenza B viruses. However, unsatisfactory clinical outcomes resulting from side effects and the emergence of resistant variants have led to greater attention being paid to plants as a natural resource for anti-influenza drugs. In particular, the recent COVID-19 pandemic has underpinned the need for safe and effective antiviral drugs with a broad spectrum of antiviral activity to prevent the rapid spread of viruses among humans. This review outlines the results of the antiviral activities of various natural products isolated from plants against influenza viruses. Special focus is paid to the virucidal effects and the immune-enhancing effects of antiviral natural products, since the products have broad applications as inactivating agents for the preparation of inactivated vaccines and vaccine adjuvants.
Keywords
Antiviral drug; influenza virus; natural product; virucidal effect;
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