Studies on Cytotoxic Constituents from the Leaves of Elaeagnus oldhamii Maxim. in Non-Small Cell Lung Cancer A549 Cells

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题名:	Studies on Cytotoxic Constituents from the Leaves of Elaeagnus oldhamii Maxim. in Non-Small Cell Lung Cancer A549 Cells
作者:	Liao, Chi-Ren;Liao, Chi-Ren;Yueh-Hsiung;Kuo, Yueh-Hsiung;Ho, Yu-Ling;Ho, Yu-Ling;Ching-Ying, W;Wang, Ching-Ying;Chang, -Syun;Yang, Chang -Syun;林振文*;Yuan-Shiun, C;Chang, Yuan-Shiun
贡献者:	生物科技學系
关键词:	traditional herbal medicine;Elaeagnus oldhamii Maxim.;non-small cell lung cancer A549 cells;cytotoxicity;MTT assay
日期:	2014-07
上传时间:	2014-11-07 06:53:26 (UTC+0)
摘要:	Elaeagnus oldhamii Maxim. is a commonly used traditional herbal medicine. In Taiwan the leaves of E. oldhamii Maxim. are mainly used for treating lung disorders. Twenty five compounds were isolated from the leaves of E. oldhamii Maxim. in the present study. These included oleanolic acid (1), 3-O-(Z)-coumaroyl oleanolic acid (2), 3-O-(E)-coumaroyl oleanolic acid (3), 3-O-caffeoyl oleanolic acid (4), ursolic acid (5), 3-O-(Z)-coumaroyl ursolic acid (6), 3-O-(E)-coumaroyl ursolic acid (7), 3-O-caffeoyl ursolic acid (8), 3β, 13β-dihydroxyolean-11-en-28-oic acid (9), 3β, 13β-dihydroxyurs-11-en-28-oic acid (10), uvaol (11), betulin (12), lupeol (13), kaempferol (14), aromadendrin (15), epigallocatechin (16), cis-tiliroside (17), trans-tiliroside (18), isoamericanol B (19), trans-p-coumaric acid (20), protocatechuic acid (21), salicylic acid (22), trans-ferulic acid (23), syringic acid (24) and 3-O-methylgallic acid (25). Of the 25 isolated compounds, 21 compounds were identified for the first time in E. oldhamii Maxim. These included compounds 1, 4, 5 and 8-25. These 25 compounds were evaluated for their inhibitory activity against the growth of non-small cell lung cancer A549 cells by the MTT assay, and the corresponding structure-activity relationships were discussed. Among these 25 compounds, compound 6 displayed the best activity against the A549 cell line in vitro (CC50=8.56±0.57 μg/mL, at 48 h of MTT asssay). Furthermore, compound 2, 4, 8 and 18 exhibited in vitro cytotoxicity against the A549 cell line with the CC50 values of less than 20 μg/mL at 48 h of MTT asssay. These five compounds 2, 4, 6, 8 and 18 exhibited better cytotoxic activity compared with cisplatin (positive control, CC50 value of 14.87±1.94 μg/mL, at 48 h of MTT asssay). The result suggested that the five compounds might be responsible for its clinical anti-lung cancer effect.
關聯:	MOLECULES;19(7):9515-34.
显示于类别:	[生物科技學系] 期刊論文

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