KMID : 0606920140220010041
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Biomolecules & Therapeutics 2014 Volume.22 No. 1 p.41 ~ p.46
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Antiviral Activity of Hederasaponin B from Hedera helix against Enterovirus 71 Subgenotypes C3 and C4a
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Song Jae-Hyoung
Yeo Sang-Gu Hong Eun-Hye Lee Bo-Ra Kim Jin-Won Kim Jeong-Hoon Jeong Hyeon-Gun Kwon Yong-Soo Kim Hyun-Pyo Lee Sang-Won Park Jae-Hak Ko Hyun-Jeong
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Abstract
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Enterovirus 71 (EV71) is the predominant cause of hand, foot and mouth disease (HFMD). The antiviral activity of hederasaponin B from Hedera helix against EV71 subgenotypes C3 and C4a was evaluated in vero cells. In the current study, the antiviral activity of hederasaponin B against EV71 C3 and C4a was determined by cytopathic effect (CPE) reduction method and western blot assay. Our results demonstrated that hederasaponin B and 30% ethanol extract of Hedera helix containing hederasaponin B showed significant antiviral activity against EV71 subgenotypes C3 and C4a by reducing the formation of a visible CPE. Hederasaponin B also inhibited the viral VP2 protein expression, suggesting the inhibition of viral capsid protein synthesis.These results suggest that hederasaponin B and Hedera helix extract containing hederasaponin B can be novel drug candidates with broad-spectrum antiviral activity against various subgenotypes of EV71.
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KEYWORD
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Enterovirus 71, Antiviral activity, Hederasaponin B, Hedera helix, Hand foot and mouth disease
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