Article Publish Status: FREE
Abstract Title:

Inhibition effects of patchouli alcohol against influenza a virus through targeting cellular PI3K/Akt and ERK/MAPK signaling pathways.

Abstract Source:

Virol J. 2019 12 23 ;16(1):163. Epub 2019 Dec 23. PMID: 31870450

Abstract Author(s):

Yunjia Yu, Yang Zhang, Shuyao Wang, Wei Liu, Cui Hao, Wei Wang

Article Affiliation:

Yunjia Yu


BACKGROUND: Patchouli alcohol (PA) is a tricyclic sesquiterpene extracted from Pogostemonis Herba, which is a traditional Chinese medicine used for therapy of inflammatory diseases. Recent studies have shown that PA has various pharmacological activities, including anti-bacterial and anti-viral effects.

METHODS: In this study, the anti-influenza virus (IAV) activities and mechanisms were investigated both in vitro and in vivo. The inhibitory effects of PA against IAV in vitro were evaluated by plaque assay and immunofluorescence assay. The neuraminidase inhibition assay, hemagglutination inhibition (HI) assay, and western blot assay were used to explore the anti-viral mechanisms. The anti-IAV activities in vivo were determined by mice pneumonia model and HE staining.

RESULTS: The results showed that PA significantly inhibited different IAV strains multiplication in vitro, and may block IAV infection through inactivating virus particles directly and interfering with some early stages after virus adsorption. Cellular PI3K/Akt and ERK/MAPK signaling pathways may be involved in the anti-IAV actions of PA. Intranasal administration of PA markedly improved mice survival and attenuated pneumonia symptoms in IAV infected mice, comparable to the effects of Oseltamivir.

CONCLUSIONS: Therefore, Patchouli alcohol has the potential to be developed into a novel anti-IAV agent in the future.

Study Type : In Vitro Study
Additional Links
Pharmacological Actions : Antiviral Agents : CK(1307) : AC(596)

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Sayer Ji
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