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Article Publish Status: FREE
Abstract Title:

Identification of Ellagic Acid from Plant Rhodiola rosea L. as an Anti-Ebola Virus Entry Inhibitor.

Abstract Source:

Viruses. 2018 Mar 27 ;10(4). Epub 2018 Mar 27. PMID: 29584652

Abstract Author(s):

Qinghua Cui, Ruikun Du, Manu Anantpadma, Adam Schafer, Lin Hou, Jingzhen Tian, Robert A Davey, Han Cheng, Lijun Rong

Article Affiliation:

Qinghua Cui

Abstract:

The recent 2014-2016 West African Ebola virus epidemic underscores the need for the development of novel anti-Ebola therapeutics, due to the high mortality rates of Ebola virus infections and the lack of FDA-approved vaccine or therapy that is available for the prevention and treatment. Traditional Chinese medicines (TCMs) represent a huge reservoir of bioactive chemicals and many TCMs have been shown to have antiviral activities. 373 extracts from 128 TCMs were evaluated using a high throughput assay to screen for inhibitors of Ebola virus cell entry. Extract ofdisplayed specific and potent inhibition against cell entry of both Ebola virus and Marburg virus. In addition, twenty commercial compounds that were isolated fromwere evaluated using the pseudotyped Ebola virus entry assay, and it was found that ellagic acid and gallic acid, which are two structurally related compounds, are the most effective ones. The activity of the extract and the two pure compounds were validated using infectious Ebola virus. The time-of-addition experiments suggest that, mechanistically, theextract and the effective compounds act at an early step in the infection cycle following initial cell attachment, but prior to viral/cell membrane fusion. Our findings provide evidence thathas potent anti-filovirus properties that may be developed as a novel anti-Ebola treatment.

Study Type : In Vitro Study

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Sayer Ji
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