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- W3205189845 abstract "Chemical investigation of Aptenia cordifolia roots extract, using chromatographic and spectroscopic techniques, resulted in isolation and identification of eight known compounds. The basic ethyl acetate fraction (alkaloidal fraction) afforded O-methylsceletenone, epinine, 4-methoxy phenethylamine, and N-methyl tyramine while, the acidic ethyl acetate fraction (non-alkaloidal fraction) afforded only cis-N-coumaroyl tyramine. Moreover, the petroleum ether fraction afforded capric acid, tricosanol, and a mixture of β-sitosterol & stigma sterol. Upon screening of anti HCV activity of these three fractions, only the basic ethyl acetate fraction had high activity against HCV with an IC50 value equal to 2.4 μg mL-1 which provoked us to carry out structure based in silico virtual screening on the drug targets of HCV of isolated alkaloidal compounds as well as the previously dereplicated alkaloids through metabolomics from the antiviral active fraction. The tortuosamine compound exhibited the strongest binding to the active site of NS3/4A helicase with a binding affinity (-7.1 kcal mol-1) which is very close to the native ligand (-7.7 kcal mol-1)." @default.
- W3205189845 created "2021-10-25" @default.
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- W3205189845 date "2021-01-01" @default.
- W3205189845 modified "2023-10-11" @default.
- W3205189845 title "NS3/4A helicase inhibitory alkaloids from <i>Aptenia cordifolia</i> as HCV target" @default.
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- W3205189845 doi "https://doi.org/10.1039/d1ra06139a" @default.
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