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https://ir.csmu.edu.tw:8080/ir/handle/310902500/4349
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| 题名: | Anticancer Effects of Flavonoid Derivatives Isolated from Millettia reticulata Benth in SK-Hep-1 Human Hepatocellular Carcinoma Cells |
| 作者: | Fang, Song-Chwan
Hsu, Chin-Lin
Lin, Hsin-Tang
Yen, Gow-Chin |
| 贡献者: | 中山醫學大學
營養學系 |
| 关键词: | Millettia reticulata Benth
apoptosis
genistein
SK-Hep-1 cells |
| 日期: | 2009-12-08 |
| 上传时间: | 2012-07-20T09:06:01Z (UTC)
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| ISSN: | 0021-8561 |
| 摘要: | Millettia reticulata Benth is cultivated in Asian countries. M. reticulata Benth has multiple biological functions and is one of the oldest tonic herbs in traditional Chinese medicine. It has been elevated to one of the most commonly used herbs in modern Chinese medicine. The aims of this work were to study the in vitro anticancer activity of flavonoid derivatives isolated from the stems of M. reticulata Benth. Six flavonoid derivatives including (−)-epicatechin (1), naringenin (2), 5,7,3′,5′-tetrahydroxyflavanone (3), formononetin (4), isoliquiritigenin (5), and genistein (6) were isolated from the stems of M. reticulata Benth. The structures of 1−6 were determined by spectroscopic methods. The effects of flavonoid derivatives (1−6) on the viability of human cancer cells (including HepG2, SK-Hep-1, Huh7, PLC5, COLO 205, HT-29, and SW 872 cells) were investigated. The results indicated that genistein (6) had the strongest inhibitory activity with an IC50 value of 16.23 μM in SK-Hep-1 human hepatocellular carcinoma cells. Treatment of SK-Hep-1 cells with genistein (6) caused loss of mitochondrial membrane potential. Western blot data revealed that genistein (6) stimulated an increase in the protein expression of Fas, FasL, and p53. Additionally, treatment with genistein (6) changed the ratio of expression levels of pro- and anti-apoptotic Bcl-2 family members and subsequently induced the activation of caspase-9 and caspase-3, which was followed by cleavage of poly(ADP-ribose) polymerase (PARP). These results demonstrate that genistein (6) induces apoptosis in SK-Hep-1 cells via both Fas- and mitochondria-mediated pathways. |
| URI: | https://ir.csmu.edu.tw:8080/ir/handle/310902500/4349
http://dx.doi.org/10.1021/jf903216r |
| 關聯: | American Chemical Society
J. Agric. Food Chem., 2010, 58 (2), pp 814–820 |
| 显示于类别: | [營養學系暨碩士班] 期刊論文
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