Article Publish Status: FREE
Abstract Title:

Hampering Herpesviruses HHV-1 and HHV-2 Infection by Extract of(EGb) and Its Phytochemical Constituents.

Abstract Source:

Front Microbiol. 2019 ;10:2367. Epub 2019 Oct 15. PMID: 31681227

Abstract Author(s):

Marta Sochocka, Maciej Sobczyński, Michał Ochnik, Katarzyna Zwolińska, Jerzy Leszek

Article Affiliation:

Marta Sochocka


Despite the availability of several anti-herpesviral agents, it should be emphasized that the need for new inhibitors is highly encouraged due to the increasing resistant viral strains as well as complications linked with periods of recurring viral replication and reactivation of latent herpes infection. Extract of(EGb) is a common phytotherapeutics around the world with health benefits. Limited studies, however, have addressed the potential antiviral activities of EGb, including herpesviruses such as(HHV-1) and(HHV-2). We evaluated the antiviral activity of EGb and its phytochemical constituents: flavonoids and terpenes against HHV-1 and HHV-2. Pretreatment of the herpesviruses with EGb prior to infection of cells produced a remarkable anti-HHV-1 and anti-HHV-2 activity. The extract affected the viruses before adsorption to cell surface at non-cytotoxic concentrations. In this work, through a comprehensive anti-HHV-1 and anti-HHV-2 activity study, it was revealed that flavonoids, especially isorhamnetin, are responsible for the antiviral activity of EGb. Such activity was absent in quercetin and kaempferol. However, EGb showed the most potent antiviral potency compared to isorhamnetin. EGb could augment current therapies for herpes labialis and genital herpes. Moreover, the potential use of EGb in multidrug therapy with synthetic anti-herpes compounds might be considered.

Study Type : In Vitro Study

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