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题目:: Brucine, an effective natural compound derived from nux-vomica, induces G1 phase arrest and apoptosis in LoVo cells.
作者:: Zheng(Lei),Wang(Xiaoli),Luo(Wenjuan),Zhan(Yingzhuan),Zhang(Yanmin)
状态:: 发布时间2013-07-05 , 更新时间 2013-07-05
期刊:: Food Chem Toxicol
摘要:: Brucine is an alkaloid from nux vomica, has been shown various pharmacological actions. To study the possible anti-cancer mechanisms on LoVo cells, effects of Brucine on cell viability, cell cycle and apoptosis were investigated. The results showed that Brucine revealed strong growth inhibitory effect on LoVo cells, and caused LoVo cell shrinkage and membrane blobbing, induced cellular and DNA morphological changes. Cell cycle and apoptosis analysis documented that Brucine could change cell cycle and induce cell apoptosis. Brucine-mediated cell cycle arrest in G1 phase was associated with a marked increase of protein levels of CCND1 and decrease in CCNB1, cyclin E and CDC2. In addition, Brucine dose-dependently caused LoVo cells apoptosis evidenced by Annexin V/PI staining Brucine-induced apoptosis was mediated via up-regulation of Bax and down-regulation of Bcl-2. Furthermore, proteins Erk1/2, p38 and Akt phosphorylation were down regulated by Brucine in a dose-dependent manner. In summary, this paper indicates Brucine is effective against LoVo cells proliferation, and promotes LoVo cells death via apoptosis. These results reveal functional interplay among a series of pathway that are deregulated in cancer and suggest that their simultaneous targeting by Brucine could result in efficacious inhibition on cancer cells.
语言:: eng
DOI:: 10.1016/j.fct.2013.05.011

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