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题名: Identification and evaluation of apoptotic compounds from Garcinia oligantha
作者: Gao, Xue-Mei1, 3; Yu, Ting2; Cui, Ming-zhu1, 3; Pu, Jian-Xin4; Du, Xue4; Han, Quan-bin5; Hu, Qiu-fen1, 3; Liu, Tian-Cheng1, 3; Luo, Kathy Qian2; Xu, Hong-Xi6
刊名: BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
关键词: Anticancer drug ; Garcinia oligantha ; Xanthone ; Apoptosis ; Caspase-3
英文摘要: Four new compounds, oliganthins A-D (1-4), and one known caged xanthone gaudichaudione H (5) were isolated from the stems of Garcinia oligantha. The structures of the new compounds were elucidated by spectroscopic evidences. All of the five compounds were evaluated for their apoptosis-inducing effects using HeLa-C3 cells which have been genetically engineered to produce a fluorescent biosensor capable of detecting caspase-3 activation. All of them induced cell apoptosis at 10 mu M or lower concentrations. The apoptotic activity of oliganthins A, B and gaudichaudione H were further confirmed by detecting the cleavage of PARP, which is the substrate of activated caspase-3, in these compounds-treated cells using the method of Western blot. Moreover, the values of IC50 were measured for all five compounds on HeLa cells using the MTT assay. Among them, gaudichaudione H had the lowest IC50 value of 0.90 mu M, while the other four new compounds had IC50 values of 1.58, 1.52, 4.15, and 7.82 mu M, respectively. These results show that gaudichaudione H has the strongest apoptosis-inducing effect and cell growth inhibition effect among these xanthones and it may have the potential to be developed into a new anticancer agent. (C) 2012 Elsevier Ltd. All rights reserved.
出版日期: 2012-03-15
卷号: 22, 期号:6, 页码:2350-2353
DOI标识: 10.1016/j.bmcl.2012.01.068
语种: 英语
ISSN号: 0960-894X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/10365
Appears in Collections:植物化学与西部植物资源持续利用国家重点实验室_期刊论文

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作者单位: 1.Yunnan Univ Nationalities, Key Lab Ethn Med Resource Chem, State Ethn Affairs Commiss, Kunming 650031, Yunnan, Peoples R China
2.Nanyang Technol Univ, Div Bioengn, Sch Chem & Biomed Engn, Singapore 637457, Singapore
3.Yunnan Univ Nationalities, Minist Educ, Kunming 650031, Yunnan, Peoples R China
4.Chinese Acad Sci, State Key Lab Phytochem & Plant Resources W China, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
5.Hong Kong Baptist Univ, Sch Chinese Med, Kowloon, Hong Kong, Peoples R China
6.Shanghai Univ Tradit Chinese Med Cai Lun Lu 1200, Shanghai 201203, Peoples R China

Recommended Citation:
Gao, XM; Yu, T; Cui, MZ; Pu, JX; Du, X; Han, QB; Hu, QF; Liu, TC; Luo, KQ; Xu, HX.Identification and evaluation of apoptotic compounds from Garcinia oligantha,BIOORGANIC & MEDICINAL CHEMISTRY LETTERS,2012,22(6):2350-2353
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