Methanol Extract of Alpinia katsumadai Hayata has Anti-viral Activity by Inhibition of α-glucosidase
2014
In the present study, we investigated the effects of methanol extracts from Alpinia katsumadai Hayata against antiviral potential underlying mechanism in glucosidase inhibition. Syncytium formation in Newcastle disease virus (NDV)-infected baby hamster kidney (BHK) cell originates from the trafficking of viral glycoprotein into cell-surface. Methanol extracts inhibited not only syncytium formation, but also trafficking of glycoprotein, hemagglutinin-neuraminidase (HN), onto cell-surface. A. katsumadai extracts showed the inhibitory activities ( ) against -glucosidase. These results suggested that blue chanterelle extracts inhibited the cell-surface expression of NDV-HN glycoprotein without significantly affecting HN glycoprotein synthesis in NDV-infected BHK cells.
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