1995
DOI: 10.1016/0742-8413(95)02003-9
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Effects and mode of action of 1,4-naphthoquinones isolated from Calceolaria sessilis on tumoral cells and Trypanosoma parasites

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Cited by 51 publications
(42 citation statements)
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“…Em estudos anteriores esta substância mostrou moderada atividade contra as formas epimastigotas de Trypanosoma cruzi e contra a linhagem TA3 de célula tumoral. 15 Também apresentou forte atividade inseticida e baixa toxicidade para mamíferos. 11 Estas informações, juntamente com os resultados descritos neste trabalho tornam dunniol uma substância promissora para ensaios de atividade antitumoral in vivo.…”
Section: Resultsunclassified
“…Em estudos anteriores esta substância mostrou moderada atividade contra as formas epimastigotas de Trypanosoma cruzi e contra a linhagem TA3 de célula tumoral. 15 Também apresentou forte atividade inseticida e baixa toxicidade para mamíferos. 11 Estas informações, juntamente com os resultados descritos neste trabalho tornam dunniol uma substância promissora para ensaios de atividade antitumoral in vivo.…”
Section: Resultsunclassified
“…Other groups of quinones isolated from natural products were also assayed against T. cruzi: (a) the trihydroxylated anthraquinone purpurin, obtained from the roots of Rubia tinctorum (Rubiaceae), showed an activity against trypomastigotes 1.5 times higher than crystal violet ; (b) among 1,4-naphthoquinones isolated from Calceolaria sessilis, 2,3,3-trimethyl-2-3-dihydronaphtho [2,3-b]furan-4,9-quinone showed against epimastigote and tumor lineages a high cytotoxicity and a temporary increase of oxygen consumption (Morello et al 1995); (c) the polyprenylated benzoquinone 7-epiclusianone, isolated from Rheedia gardneriana (Clusiacease) was active in vitro against trypomastigote, but showed no effect on experimentally infected (Alves et al 1999).…”
Section: Drugs Derived From Natural Sourcesmentioning
confidence: 99%
“…1984), some naphthoquinones (Pinto et al 1987), gossypol (Rovai et al 1990), boldine (Morello et al 1994), 1,4 naphthoquinones (Morello et al 1995) and β-carboline alkaloids (Rivas et al 1999). In addition, Brengio et al (2000) have reported that the sesquiterpene lactone dehydroleucodine inhibited the growth of cultured T. cruzi epimastigotes .…”
Section: Discussionmentioning
confidence: 99%