期刊
BIOMEDICINE & PHARMACOTHERAPY
卷 69, 期 -, 页码 82-89出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2014.11.020
关键词
Microtubule inhibitor; Cell cycle arrest; Apoptosis
资金
- National Natural Science Foundation of China [81072569, 31000368]
- Shandong Provincial Foundation for Scientific Research [ZR2010HM088]
Deacetyl-mycoepoxydiene (DM), a novel secondary metabolite produced by the plant endophytic fungi Phomosis sp., induced the reorganization of cytoskeleton in actively growing MCF-7 cells by promoting polymerization of tubulin. DM could induce cell cycle arrest at G2/M in MCF-7 cells. Additionally, DM-induced apoptosis was characterized with up-regulating caspase-3, Bax, caspase-9, parp, and p21 while down-regulating Bcl-2 activation. DM conferred dose-and time-dependent inhibitory effects upon cell proliferation of MCF-7 cells both in cultured cells and nude mice with human breast carcinoma xenografts. The results obtained from these in vitro and in vivo models provide new data revealing the potential for DM as a novel microtubule inhibitor. (C) 2014 Elsevier Masson SAS. All rights reserved.
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