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Potent in vitro antiviral activity of Cistus incanus extract against HIV and Filoviruses targets viral envelope proteins.

Sci. Rep. 6:20394 (2016)
Verlagsversion DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Novel therapeutic options are urgently needed to improve global treatment of virus infections. Herbal products with confirmed clinical safety features are attractive starting material for the identification of new antiviral activities. Here we demonstrate that Cistus incanus (Ci) herbal products inhibit human immunodeficiency virus (HIV) infections in vitro. Ci extract inhibited clinical HIV-1 and HIV-2 isolates, and, importantly, a virus isolate with multiple drug resistances, confirming broad anti-HIV activity. Antiviral activity was highly selective for virus particles, preventing primary attachment of the virus to the cell surface and viral envelope proteins from binding to heparin. Bioassay-guided fractionation indicated that Ci extract contains numerous antiviral compounds and therefore has favorably low propensity to induce virus resistance. Indeed, no resistant viruses emerged during 24 weeks of continuous propagation of the virus in the presence of Ci extracts. Finally, Ci extracts also inhibited infection by virus particles pseudotyped with Ebola and Marburg virus envelope proteins, indicating that antiviral activity of Ci extract extends to emerging viral pathogens. These results demonstrate that Ci extracts show potent and broad in vitro antiviral activity against viruses that cause life-threatening diseases in humans and are promising sources of agents that target virus particles.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Human-immunodeficiency-virus; Hepatitis-c Virus; Heparan-sulfate; Medicinal-plants; Natural-products; Antimicrobial Agents; Phenolic-compounds; Gene-expression; Drug Discovery; Infection
Sprache englisch
Veröffentlichungsjahr 2016
HGF-Berichtsjahr 2016
ISSN (print) / ISBN 2045-2322
e-ISSN 2045-2322
Zeitschrift Scientific Reports
Quellenangaben Band: 6, Heft: , Seiten: , Artikelnummer: 20394 Supplement: ,
Verlag Nature Publishing Group
Verlagsort London
Begutachtungsstatus Peer reviewed
POF Topic(s) 30203 - Molecular Targets and Therapies
Forschungsfeld(er) Immune Response and Infection
PSP-Element(e) G-502700-001
G-502700-006
PubMed ID 26833261
Scopus ID 84957599390
Erfassungsdatum 2016-02-04