https://www.scienceopen.com/hosted-document?doi=10.15212/AMM-2024-0094
Announcing a new publication for
Acta Materia Medica journal. Dengue virus (DENV) poses a serious health threat globally for which specific antivirals are not available.
Envelope (E) protein and RNA-dependent RNA polymerase (RdRp) from DENV represent the most critical targets for the development of antivirals that inhibit viral adsorption for entry and genome replication, respectively; no dual inhibitors targeting E/RdRp have been reported to date. Vina-ginsenoside R18 (R18), a triterpenoid saponin isolated from
Panax notoginseng, was shown to target E protein domain III to inhibit binding of E protein to integrin beta3, thus preventing viral adsorption to the host surface receptor. R18 selectively targets RdRp protein and induces a conformational change, leading to a decrease in enzyme activity. Consequently, R18 represses DENV infection by acting at viral binding, entry, and replication stages, and attenuates the pathologic symptoms of DENV-infected ICR suckling and AG129 mice.
These results show R18 to be a novel dual E/RdRp inhibitor that can serve a potential agent against DENV infection.
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eISSN 2737-7946
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Xuemei He, Yuanru Zheng and Lifang Zou et al. Discovery of vina-ginsenoside R18 as a novel dual-target inhibitor of dengue virus envelope protein and RNA-dependent RNA polymerase.
Acta Materia Medica. 2025. Vol. 4(4):612-629. DOI: 10.15212/AMM-2024-0094