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题名: Eriocalyxin B induces apoptosis and cell cycle arrest in pancreatic adenocarcinoma cells through caspase- and p53-dependent pathways
作者: Li, Lin1, 2, 3; Yue, Grace G. L.1, 3; Lau, Clara B. S.1, 3; null(孙汉董)4; Fung, Kwok Pui1, 2, 3; Leung, Ping Chung1, 3; Han, Quanbin1, 3, 5; Leung, Po Sing2
刊名: TOXICOLOGY AND APPLIED PHARMACOLOGY
关键词: Eriocalyxin B ; Pancreatic cancer ; Apoptosis ; Cell cycle arrest ; p53
英文摘要: Pancreatic cancer is difficult to detect early and responds poorly to chemotherapy. A breakthrough in the development of new therapeutic agents is urgently needed. Eriocalyxin B (EriB), isolated from the Isodon eriocalyx plant, is an ent-kaurane diterpenoid with promise as a broad-spectrum anti-cancer agent. The anti-leukemic activity of EriB, including the underlying mechanisms involved, has been particularly well documented. In this study, we demonstrated for the first time EriB's potent cytotoxicity against four pancreatic adenocarcinoma cell lines, namely PANC-1, SW1990, CAPAN-1, and CAPAN-2. The effects were comparable to that of the chemotherapeutic camptothecin (CAM), but with much lower toxicity against normal human liver WRL68 cells. EriB's cytoxicity against CAPAN-2 cells was found to involve caspase-dependent apoptosis and cell cycle arrest at the G2/M phase. Moreover, the p53 pathway was found to be activated by EriB in these cells. Furthermore, in vivo studies showed that EriB inhibited the growth of human pancreatic tumor xenografts in BALB/c nude mice without significant secondary adverse effects. These results suggest that EriB should be considered a candidate for pancreatic cancer treatment. (C) 2012 Elsevier Inc. All rights reserved.
出版日期: 2012-07-01
卷号: 262, 期号:1, 页码:80-90
语种: 英语
收录类别: SCI
学科分类: Pharmacology & Pharmacy ; Toxicology
ISSN号: 0041-008X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/17616
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.Chinese Univ Hong Kong, Inst Chinese Med, Hong Kong, Hong Kong, Peoples R China
2.Chinese Univ Hong Kong, Sch Biomed Sci, Hong Kong, Hong Kong, Peoples R China
3.Chinese Univ Hong Kong, State Key Lab Phytochem & Plant Resources W China, Hong Kong, Hong Kong, Peoples R China
4.Chinese Acad Sci, State Key Lab Phytochem & Plant Resources W China, Kunming Inst Bot, Kunming, Yunnan, Peoples R China
5.Hong Kong Baptist Univ, Sch Chinese Med, Hong Kong, Hong Kong, Peoples R China

Recommended Citation:
Li,Lin;Yue,Grace G. L.;Lau,Clara B. S.;Sun,Handong;Fung,Kwok Pui;Leung,Ping Chung;Han,Quanbin;Leung,Po Sing.Eriocalyxin B induces apoptosis and cell cycle arrest in pancreatic adenocarcinoma cells through caspase- and p53-dependent pathways,TOXICOLOGY AND APPLIED PHARMACOLOGY,2012,262(1):80-90
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