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Identification of Benzothiophene-Derived Inhibitors of Flaviviruses by Targeting RNA-Dependent RNA Polymerase
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Identification of Benzothiophene-Derived Inhibitors of Flaviviruses by Targeting RNA-Dependent RNA Polymerase
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Journal Article
Identification of Benzothiophene-Derived Inhibitors of Flaviviruses by Targeting RNA-Dependent RNA Polymerase
2025
Overview
Flaviviruses such as Dengue, West Nile, and Zika viruses are mosquito-borne RNA viruses that can cause serious diseases in humans. To develop effective drugs for treating these viruses’ infections, we create a new approach for developing common or shared drugs that may work for several different viral species of flaviviruses. It is based on the conserved RNA-dependent RNA polymerase (RdRp), which is the key enzyme for viral replication. We built up a common structure of RdRps (POLcon) from their consensus sequence. A conserved Triple-D structural motif was identified at the active site of POLcon that has been used for virtual compound screening. We have identified three inhibitors that have potent activities against Dengue, West Nile, and Zika viruses. All these three inhibitors are Benzothiophene derivatives. This is the first report of Benzothiophene-derived compounds as inhibitors for flaviviruses. Furthermore, our approach has provided a proof-of-concept that it is feasible to identify shared drugs for several different viral species of flaviviruses.
Publisher
MDPI AG,MDPI
Subject
/ Antiviral Agents - pharmacology
/ Enzyme Inhibitors - chemistry
/ Enzyme Inhibitors - pharmacology
/ Enzymes
/ Genomes
/ Humans
/ Identification and classification
/ POLcon
/ Proteins
/ RNA-dependent RNA polymerase (RdRp)
/ RNA-Dependent RNA Polymerase - antagonists & inhibitors
/ RNA-Dependent RNA Polymerase - chemistry
/ RNA-Dependent RNA Polymerase - metabolism
/ Virus Replication - drug effects
/ West Nile virus - drug effects
