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Anti-viral Effects of Lianhua Qingwen Capsule Against Influenza A Virus in Vitro / 中药新药与临床药理
Traditional Chinese Drug Research & Clinical Pharmacology ; (6)1993.
Artículo en Chino | WPRIM | ID: wpr-576268
ABSTRACT
Objective To study the anti-viral effects of Lianhua Qingwen Capsule against influenza A virus in vitro.Methods Under different administration modes,the inhibitory effect of Lianhua Qingwen Capsule on human influenza A virus(H3N2)in vitro and its time-effect relationship were assayed by crystal violet staining assay with ribavirin as positive reference drug.Results Lianhua Qingwen Capsule showed a multi-access effect on anti-human influenza A virus,such as comprehensive inhibition effect,prevention effect on virus adsorption,inhibition on virus proliferation after adsorption and direct killing the virus effect,and the median effective concentrations(EC50)in above-mentioned effects were 0.042,0.031,0.051 and 0.050 mg/mL respectively.Among them,the prevention effect on virus adsorption was the strongest.With the expanding actuation duration of the drug,the inhibitory effect of Lianhua Qingwen Capsule against influenza A virus weakened at low concentration,but no change at high concentration(≥0.031 g/mL).Meanwhile,Lianhua Qingwen Capsule can remarkably decrease the infectivity of influenza A virus.Conclusion Lianhua Qingwen Capsule has an obvious effect against human influenza A virus in vitro.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Traditional Chinese Drug Research & Clinical Pharmacology Año: 1993 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Traditional Chinese Drug Research & Clinical Pharmacology Año: 1993 Tipo del documento: Artículo