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Article Publish Status: FREE
Abstract Title:

Cordycepin Inhibits Virus Replication in Dengue Virus-Infected Vero Cells.

Abstract Source:

Molecules. 2021 May 23 ;26(11). Epub 2021 May 23. PMID: 34071102

Abstract Author(s):

Aussara Panya, Pucharee Songprakhon, Suthida Panwong, Kanyaluck Jantakee, Thida Kaewkod, Yingmanee Tragoolpua, Nunghathai Sawasdee, Vannajan Sanghiran Lee, Piyarat Nimmanpipug, Pa-Thai Yenchitsomanus

Article Affiliation:

Aussara Panya

Abstract:

Dengue virus (DENV) infection causes mild to severe illness in humans that can lead to fatality in severe cases. Currently, no specific drug is available for the treatment of DENV infection. Thus, the development of an anti-DENV drug is urgently required. Cordycepin (3'-deoxyadenosine), which is a major bioactive compound in Cordyceps (ascomycete) fungus that has been used for centuries in Chinese traditional medicine, was reported to exhibit antiviral activity. However, the anti-DENV activity of cordycepin is unknown. We hypothesized that cordycepin exerts anti-DENV activity and that, as an adenosine derivative, it inhibits DENV replication. To test this hypothesis, we investigated the anti-DENV activity of cordycepin in DENV-infected Vero cells. Cordycepin treatment significantly decreased DENV protein at a half-maximal effective concentration (EC50) of 26.94μM. Moreover, DENV RNA was dramatically decreased in cordycepin-treated Vero cells, indicating its effectiveness in inhibiting viral RNA replication. Via in silico molecular docking, the binding of cordycepin to DENV non-structural protein 5 (NS5), which is an important enzyme for RNA synthesis, atboth the methyltransferase (MTase) and RNA-dependent RNA polymerase (RdRp) domains, was predicted. The results of this study demonstrate that cordycepin is able to inhibit DENV replication, which portends its potential as an anti-dengue therapy.

Study Type : In Vitro Study
Additional Links
Pharmacological Actions : Antiviral Agents : CK(1957) : AC(1034)

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