01.04.2012 | Note
In vitro antitrypanosomal activity of bis(bibenzyls)s and bibenzyls from liverworts against Trypanosoma brucei
Erschienen in: Journal of Natural Medicines | Ausgabe 2/2012
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During the course of our screening program to discover new antitrypanosomal compounds, 17 known plant aromatic compounds [12 bis(bibenzyls)s and 5 bibenzyls] were evaluated for in vitro activity against Trypanosoma brucei brucei. Sixteen compounds were found to exhibit antitrypanosomal activity. In particular, three compounds, marchantin A (1), plagiochin A (5) and 2(R)-2-isopropenyl-6,7-dihydroxy-4-(2-phenylethyl)dihydrobenzofuran (16) demonstrated moderate selective and potent antitrypanosomal activities in vitro. We detail here the antitrypanosomal properties and cytotoxicities of the compounds in comparison with two commonly used therapeutic drugs, eflornithine and suramin. Our finding represents the first report of the promising trypanocidal activity of these compounds. The research also provides valuable insight into structure–activity relationships and the possible mode of action of the compounds.
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