期刊
PHARMACEUTICALS
卷 15, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/ph15030361
关键词
herpes simplex virus type 1; virtual screening; molecular docking; glycoprotein D; natural compounds
资金
- Jatcorp Pty Ltd. (Toorak, VIC, Australia)
- Australian Research Council
- Marine Biotechnology Australia Pty Ltd. [LP150100314]
- Australian Research Council [LP150100314] Funding Source: Australian Research Council
This study identified potential antiviral compounds using computational methods and experimental evaluations, with one active compound showing a novel antiviral mechanism of action.
Herpes simplex virus (HSV) infections are a worldwide health problem in need of new effective treatments. Of particular interest is the identification of antiviral agents that act via different mechanisms compared to current drugs, as these could interact synergistically with first-line antiherpetic agents to accelerate the resolution of HSV-1-associated lesions. For this study, we applied a structure-based molecular docking approach targeting the nectin-1 and herpesvirus entry mediator (HVEM) binding interfaces of the viral glycoprotein D (gD). More than 527,000 natural compounds were virtually screened using Autodock Vina and then filtered for favorable ADMET profiles. Eight top hits were evaluated experimentally in African green monkey kidney cell line (VERO) cells, which yielded two compounds with potential antiherpetic activity. One active compound (1-(1-benzofuran-2-yl)-2-[(5Z)-2H,6H,7H,8H-[1,3] dioxolo[4,5-g]isoquinoline-5-ylidene]ethenone) showed weak but significant antiviral activity. Although less potent than antiherpetic agents, such as acyclovir, it acted at the viral inactivation stage in a dose-dependent manner, suggesting a novel mode of action. These results highlight the feasibility of in silico approaches for identifying new antiviral compounds, which may be further optimized by medicinal chemistry approaches.
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