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Article Publish Status: FREE
Abstract Title:

Inhibitory effects of baicalein against herpes simplex virus type 1.

Abstract Source:

Acta Pharm Sin B. 2020 Dec ;10(12):2323-2338. Epub 2020 Jun 25. PMID: 33354504

Abstract Author(s):

Zhuo Luo, Xiu-Ping Kuang, Qing-Qing Zhou, Chang-Yu Yan, Wen Li, Hai-Biao Gong, Hiroshi Kurihara, Wei-Xi Li, Yi-Fang Li, Rong-Rong He

Article Affiliation:

Zhuo Luo

Abstract:

Herpes simplex virus type 1 (HSV-1) is a ubiquitous and widespread human pathogen, which gives rise to a range of diseases, including cold sores, corneal blindness, and encephalitis. Currently, the use of nucleoside analogs, such as acyclovir and penciclovir, in treating HSV-1 infection often presents limitation due to their side effects and low efficacy for drug-resistance strains. Therefore, new anti-herpetic drugs and strategies should be urgently developed. Here, we reported that baicalein, a naturally derived compound widely used in Asian countries, strongly inhibited HSV-1 replication in several models. Baicalein was effective against the replication of both HSV-1/F and HSV-1/Blue (an acyclovir-resistant strain). In the ocular inoculation mice model, baicalein markedly reducedHSV-1/F replication, receded inflammatory storm and attenuated histological changes in the cornea. Consistently, baicalein was found to reduce the mortality of mice, viral loads both in nose and trigeminal ganglia in HSV-1 intranasal infection model. Moreover, anHSV-1-EGFP infection model established in isolated murine epidermal sheets confirmed that baicalein suppressed HSV-1 replication. Further investigations unraveled that dual mechanisms, inactivating viral particles and inhibiting IB kinase beta (IKK-) phosphorylation, were involved in the anti-HSV-1 effect of baicalein. Collectively, our findings identified baicalein as a promising therapy candidate against the infection of HSV-1, especially acyclovir-resistant strain.

Study Type : In Vitro Study

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