Marineosins A and B, cytotoxic spiroaminals from a marine-derived actinomycete.

Marineosins A and B, cytotoxic spiroaminals from a marine-derived actinomycete.
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DOI:
10.1021/ol8020644
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发表时间:
2008-12-18
期刊:
影响因子:
5.2
通讯作者:
Fenical, William
Fenical, William
中科院分区:
化学1区
文献类型:
--
作者:
Boonlarppradab, Chollaratt;Kauffman, Christopher A.;Jensen, Paul R.;Fenical, William

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从海洋沉积物来源的链霉菌属放线菌培养物中分离得到两种新的含两个吡咯官能团的螺环胺醛,marineosins A和B(1,2)。marineosins,似乎是来自灵菌红素样色素途径的未知修饰,在体外试验中显示出对人结肠癌(HCT-116)的显著抑制作用(marineosin A的IC 50 = 0.5 μM),并在多种癌细胞类型中显示出选择性活性。
Two novel spiroaminals, marineosins A and B (1, 2), containing two pyrrole functionalities, were isolated from cultures of a marine sediment-derived actinomycete related to the genus Streptomyces. The marineosins, which appear to be derived from unknown modifications of prodigiosin-like pigment pathways, showed significant inhibition of human colon carcinoma (HCT-116) in an in vitro assay (IC50 = 0.5 μM for marineosin A) and selective activities in diverse cancer cell types.
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发表时间: 1983-01-01
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