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Manniindole, an indole derivative from the roots of Anonidium mannii and combined antischistosomal and enzymatic activities

Abstract : A new alkaloid, manniindole 1, together with four known compounds: aristolactam AII 2, aristolactam BII 3, piperolactam D 4 and polycarpol 5 were isolated from the crude extract EtOHH2O (8:2) of the roots of Anonidium mannii by chromatographic separation. The structure elucidation was performed on the basis of a spectroscopic analysis (IR, HRESI MS, 1D and 2D NMR) as well as a comparison of their spectral data with those reported in the literature. For the first time, the crude extract and those isolated compounds were evaluated for their antischistosomal activity against Schistosoma mansoni and for cytotoxicity activity against Huh7 and A549 cells. Furthermore, they were also tested in vitro on the recent characterized Schistosoma mansoni NADþ catabolizing enzyme (SmNACE) for their impact on this enzyme which is localized on the outer surface of the adult parasite. Compound 2 displayed quite good worm killing capability, while 4 showed significant inhibition of SmNACE
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https://hal.archives-ouvertes.fr/hal-02996085
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Submitted on : Friday, April 2, 2021 - 2:32:35 PM
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Josette Linda Toussi Matchi, Diderot Tchamo Noungoue, Isabelle Kuhn, Jérôme Boissier, Jean Claude Tchouankeu, et al.. Manniindole, an indole derivative from the roots of Anonidium mannii and combined antischistosomal and enzymatic activities. Natural Product Research, Taylor & Francis, In press, ⟨10.1080/14786419.2020.1824227⟩. ⟨hal-02996085⟩

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