期刊
ANTIVIRAL RESEARCH
卷 98, 期 2, 页码 325-331出版社
ELSEVIER
DOI: 10.1016/j.antiviral.2013.03.016
关键词
Hepatitis A virus; Antiviral assay; Interferon; Amantadine; Enterovirus inhibitor
资金
- KU Leuven, geconcerteerde onderzoeksactie [GOA/10/014]
- EU [260644]
Three different antiviral assays were developed for the in vitro screening of inhibitors of the hepatitis A virus (HAV) of which (i) a cytopathic effect reduction assay suitable for medium-to-high-throughput screening and (ii) two virus yield reduction assays (based on quantification of viral RNA) for genotypes IB and IIIA. The assays were validated for antiviral studies with interferon-alpha (IFN alpha) and amantadine HCl, two known inhibitors of HAV replication. IFN alpha effectively inhibited HAV replication, whereas the activity of amantadine HCl appeared to be strain-dependent. Employing these assays, we assessed the effect of the known enterovirus inhibitors pleconaril, rupintrivir and enviroxime on HAV replication. Pleconaril exhibited some very moderate activity, the effect of rupintrivir proved to be strain-dependent. Enviroxime did not inhibit HAV replication, suggesting that phosphatidylinositol-4-kinase III beta is not crucial in the HAV life cycle. (C) 2013 Elsevier B.V. All rights reserved.
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