Antiproliferative withanolides from Datura wrightii.

Antiproliferative withanolides from Datura wrightii.
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DOI:
10.1021/np300766p
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发表时间:
2013-03-22
影响因子:
5.1
通讯作者:
Timmermann BN
Timmermann BN
中科院分区:
生物学2区
文献类型:
--
作者:
Zhang H;Bazzill J;Gallagher RJ;Subramanian C;Grogan PT;Day VW;Kindscher K;Cohen MS;Timmermann BN

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从鸢尾属植物的地上部分中分离到1个新化合物withawrightolide(1)和4个已知化合物withanolide(2-5)。化合物1的结构通过二维核磁共振和其他波谱技术进行了鉴定。此外,用x射线晶体学分析证实了威氨美林L(2)的结构。通过MTS活性测定,5 -5对人胶质母细胞瘤(U251和U87)、头颈部鳞状细胞癌(MDA-1986)和正常胎儿肺成纤维细胞(MRC-5)具有抗增殖活性,IC50值在0.56 ~ 5.6 μM之间。
A new withanolide (1) named withawrightolide, and four known withanolides (2–5) were isolated from the aerial parts of Datura wrightii (Solanaceae). The structure of compound 1 was elucidated through 2D NMR and other spectroscopic techniques. In addition, the structure of withametelin L (2) was confirmed by X-ray crystallographic analysis. Using MTS viability assays, withanolides 1–5 showed antiproliferative activities against human glioblastoma (U251 and U87), head and neck squamous cell carcinoma (MDA-1986), and normal fetal lung fibroblast (MRC-5) cells with IC50 values in the range between 0.56 and 5.6 μM.
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发表时间: 2010-09-01
影响因子: 5.1
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