Berbamine hydrochloride potently inhibits SARS-CoV-2 infection by blocking S protein-mediated membrane fusion

COVID-19 caused by SARS-CoV-2 has posed a significant threat to global public health since its outbreak in late 2019. Although there are a few drugs approved for clinical treatment to combat SARS-CoV-2 infection currently, the severity of the ongoing global pandemic still urges the efforts to discov...

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Veröffentlicht in:PLoS neglected tropical diseases 2022-04, Vol.16 (4), p.e0010363-e0010363
Hauptverfasser: Zhang, Zhe-Rui, Zhang, Ya-Nan, Zhang, Hong-Qing, Zhang, Qiu-Yan, Li, Na, Li, Qi, Deng, Cheng-Lin, Zhang, Bo, Li, Xiao-Dan, Ye, Han-Qing
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container_issue 4
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container_title PLoS neglected tropical diseases
container_volume 16
creator Zhang, Zhe-Rui
Zhang, Ya-Nan
Zhang, Hong-Qing
Zhang, Qiu-Yan
Li, Na
Li, Qi
Deng, Cheng-Lin
Zhang, Bo
Li, Xiao-Dan
Ye, Han-Qing
description COVID-19 caused by SARS-CoV-2 has posed a significant threat to global public health since its outbreak in late 2019. Although there are a few drugs approved for clinical treatment to combat SARS-CoV-2 infection currently, the severity of the ongoing global pandemic still urges the efforts to discover new antiviral compounds. As the viral spike (S) protein plays a key role in mediating virus entry, it becomes a potential target for the design of antiviral drugs against COVID-19. Here, we tested the antiviral activity of berbamine hydrochloride, a bis-benzylisoquinoline alkaloid, against SARS-CoV-2 infection. We found that berbamine hydrochloride could efficiently inhibit SARS-CoV-2 infection in different cell lines. Further experiments showed berbamine hydrochloride inhibits SARS-CoV-2 infection by targeting the viral entry into host cells. Moreover, berbamine hydrochloride and other bis-benzylisoquinoline alkaloids could potently inhibit S-mediated cell-cell fusion. Furthermore, molecular docking results implied that the berbamine hydrochloride could bind to the post fusion core of SARS-CoV-2 S2 subunit. Therefore, berbamine hydrochloride may represent a potential efficient antiviral agent against SARS-CoV-2 infection.
doi_str_mv 10.1371/journal.pntd.0010363
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Although there are a few drugs approved for clinical treatment to combat SARS-CoV-2 infection currently, the severity of the ongoing global pandemic still urges the efforts to discover new antiviral compounds. As the viral spike (S) protein plays a key role in mediating virus entry, it becomes a potential target for the design of antiviral drugs against COVID-19. Here, we tested the antiviral activity of berbamine hydrochloride, a bis-benzylisoquinoline alkaloid, against SARS-CoV-2 infection. We found that berbamine hydrochloride could efficiently inhibit SARS-CoV-2 infection in different cell lines. Further experiments showed berbamine hydrochloride inhibits SARS-CoV-2 infection by targeting the viral entry into host cells. Moreover, berbamine hydrochloride and other bis-benzylisoquinoline alkaloids could potently inhibit S-mediated cell-cell fusion. 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subjects Alkaloids
Antiviral activity
Antiviral agents
Antiviral Agents - pharmacology
Benzylisoquinolines - pharmacology
Biology and life sciences
Cell fusion
Cell lines
Coronaviruses
COVID-19
COVID-19 - drug therapy
Cytotoxicity
Disease transmission
Dosage and administration
Drug development
Drugs
Experiments
FDA approval
Fusion protein
Genomes
Health
Humans
Infections
Laboratories
Medicine and health sciences
Membrane Fusion
Membrane proteins
Molecular docking
Molecular Docking Simulation
Pandemics
Physical Sciences
Proteins
Public health
Research and Analysis Methods
RNA polymerase
SARS-CoV-2
Severe acute respiratory syndrome
Severe acute respiratory syndrome coronavirus 2
Spike Glycoprotein, Coronavirus
Tropical diseases
Viral diseases
Virology
Virus Internalization
Viruses
title Berbamine hydrochloride potently inhibits SARS-CoV-2 infection by blocking S protein-mediated membrane fusion
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