Author:
Guan Jian,Zhu Xiao-Kang,Brossi Arnold,Tachibana Yoko,Bastow Kenneth F.,Verdier-Pinard Pascal,Hamel Ernest,McPhail Andrew T.,Lee Kuo-Hsiung
Abstract
Two allocolchicinoids 6 and 8, prepared from colchicine, together with allo compounds 9-11, made from 6 by reduction and regiodemethylation, were evaluated for antitubulin and antitumor activities. Structures of 6, 8, and 10 were confirmed by X-ray crystallographic analysis. Compounds 6, 8, and 9 have high tubulin binding affinity and display potent inhibitory activities against tubulin polymerization and solid human tumor cell lines. Particularly, drug-resistant KB cell lines, including KB-7d, KB-VCR, and KB-CPT, do not show marked resistance to these compounds.
Publisher
Institute of Organic Chemistry & Biochemistry
Cited by
20 articles.
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