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- W2741565404 abstract "Highly pathogenic influenza viruses pose a serious public health threat to humans. Antivirals are needed to efficiently control disease progression and virus transmission. In this study, germacrone, which is a major component of the essential oils extracted from Rhizoma Curcuma, was found to inhibit influenza virus replication. Germacrone showed antiviral activity against the H1N1 and H3N2 influenza A viruses and the influenza B virus in a dose-dependent manner. The viral protein expression, RNA synthesis and the production of infectious progeny viruses were decreased both in MDCK and A549 cells treated with germacrone. In a time-of-addition study, germacrone was found to exhibit an inhibitory effect on the early stages of the viral replication cycle. By a defined indirect immunoinfluscent assay of the localization and quantification of HA, NP and M1 proteins of influenza virus. Germacrone was found to inhibit the fusion of virus membrane and the endosomal membrane, thereby blocked the dissociation of the vRNPs from M1 matrix proteins. Germacrone also exhibited an effective protection of mice from lethal infection and reduced the virus titres in the lung. Furthermore, the combination of germacrone and oseltamivir exhibited an additive effect on the inhibition of influenza virus infection both in vitro and in vivo. Our results suggest that germacrone may have the potential to be developed as a therapeutic agent alone or in combination with other agents for the treatment of influenza virus infection." @default.
- W2741565404 created "2017-08-08" @default.
- W2741565404 creator A5024213189 @default.
- W2741565404 date "2016-07-15" @default.
- W2741565404 modified "2023-09-24" @default.
- W2741565404 title "Pharmacognosy & Natural Products" @default.
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- W2741565404 doi "https://doi.org/10.4172/2472-0992" @default.
- W2741565404 hasPublicationYear "2016" @default.
- W2741565404 type Work @default.