Drug repositioning identifies salvinorin A and deacetylgedunin (DCG) enriched plant extracts as novel inhibitors of Mpro, RBD-ACE2 and TMPRRS2 proteins
RSC Advances, ISSN: 2046-2069, Vol: 14, Issue: 29, Page: 21203-21212
2024
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Study Results from University of Dar es Salaam Provide New Insights into COVID-19 [Drug Repositioning Identifies Salvinorin a and Deacetylgedunin (Dcg) Enriched Plant Extracts As Novel Inhibitors of Mpro, Rbd-ace2 and Tmprrs2 Proteins]
2024 JUL 25 (NewsRx) -- By a News Reporter-Staff News Editor at NewsRx COVID-19 Daily -- Current study results on Coronavirus - COVID-19 have been
Article Description
The coronavirus disease 2019 (COVID-19) has spread worldwide with severe health, social, and economic repercussions. Although vaccines have significantly reduced the severity of symptoms and deaths, alternative medications derived from natural products (NPs) are vital to further decrease fatalities, especially in regions with low vaccine uptake. When paired with the latest computational developments, NPs, which have been used to cure illnesses and infections for thousands of years, constitute a renewed resource for drug discovery. In the present report, a combination of computational and in vitro methods reveals the repositioning of NPs and identifies salvinorin A and deacetylgedunin (DCG) as having potential anti-SARS-CoV-2 activities. Salvinorin A was found both in silico and in vitro to inhibit both SARS-CoV-2 spike/host ACE2 protein interactions, consistent with blocking viral cell entry, and well as live virus replication. Plant extracts from Azadirachta indica and Cedrela odorata, which contain high levels of DCG, inhibited viral cell replication by targeting the main protease (Mpro) and/or inhibited viral cell entry by blocking the interaction between spike RBD-ACE2 protein at concentrations lower than salvinorin A. Our findings suggest that salvinorin A represent promising chemical starting points where further optimization may result in effective natural product-derived and potent anti-SARS-CoV-2 inhibitors to supplement vaccine efforts.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85198222678&origin=inward; http://dx.doi.org/10.1039/d4ra02593h; http://www.ncbi.nlm.nih.gov/pubmed/38966817; https://xlink.rsc.org/?DOI=D4RA02593H; https://dx.doi.org/10.1039/d4ra02593h; https://pubs.rsc.org/en/content/articlelanding/2024/ra/d4ra02593h
Royal Society of Chemistry (RSC)
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