2009
DOI: 10.1021/np900072k
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Antiproliferative Bistramides from Trididemnum cyclops from Madagascar

Abstract: Bioassay-guided fractionation of a marine extract from Trididemnum cyclops afforded the new lipopeptide 39-oxobistramide K (1) and the known bistramides A (2) and D (3). Structure elucidation of 1 was carried out by analysis of one and two-dimensional NMR spectroscopy and HRMS data. Bistramides have been reported to exhibit antiproliferative activity in the nanomolar range against a number of tumor cell lines in vitro and in vivo. The isolate 1 was tested for antiproliferative activity against the A2780 cell l… Show more

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Cited by 19 publications
(22 citation statements)
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“…39-Oxobistramide K was extracted from the tunicate Trididemnum cyclops Michaelsen in 1921 [2] in conjunction with two other bistramides, bistramides A and D, which were previously isolated in 1988 by Gouiffès et al from the ascidian Lissoclinum bistratum [19] and belong to the Didemnidae family (Scheme 3) [20].…”
Section: -Oxobistramide K: Structure and Biological Propertiesmentioning
confidence: 99%
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“…39-Oxobistramide K was extracted from the tunicate Trididemnum cyclops Michaelsen in 1921 [2] in conjunction with two other bistramides, bistramides A and D, which were previously isolated in 1988 by Gouiffès et al from the ascidian Lissoclinum bistratum [19] and belong to the Didemnidae family (Scheme 3) [20].…”
Section: -Oxobistramide K: Structure and Biological Propertiesmentioning
confidence: 99%
“…39-Oxobistramide K is a new lipopeptide, and its structure elucidation was carried out by analysis of one-and two-dimensional NMR spectroscopy and high-resolution mass spectrometry (HRMS) data [2]. We have to point out that the stereogenic center at C4 was not elucidated.…”
Section: -Oxobistramide K: Structure and Biological Propertiesmentioning
confidence: 99%
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“…Recently, its enantioselective synthesis was described (Fortner et al, 2010). Bistramine A is a polyketide derivative isolated from ascidian such as Lissoclinum bistratum, but it is also found in a tunicate Trididemnum cyclops (Murphy et al, 2009). This compound disrupted the actin cytoskeleton, depolymerized F-actin in vitro and bound directly to monomeric G-actin (Rizvi et al, 2010).…”
Section: Anticancer Secondary Metabolitesmentioning
confidence: 99%