Antiproliferative Triterpenoid Saponins from the Stem of Psychotria sp.

被引:12
|
作者
Zhang, Cui-Xian [1 ]
Zhang, Dong-Mei [2 ]
Chen, Min-Feng [2 ]
Guan, Shan-Yue [3 ]
Yao, Jun-Hua [3 ]
He, Xi-Xin [1 ]
Lei, Ling-Fang [1 ]
Zhong, Ying [1 ]
Wang, Zhi-Fang [1 ]
Ye, Wen-Cai [2 ]
机构
[1] Guangzhou Univ Chinese Med, Sch Chinese Mat Med, Guangzhou 510006, Guangdong, Peoples R China
[2] Jinan Univ, Coll Pharm, Inst Tradit Chinese Med & Nat Prod, Guangzhou 510632, Guangdong, Peoples R China
[3] Sun Yat Sen Univ, Instrumental Anal & Res Ctr, Guangzhou 510275, Guangdong, Peoples R China
基金
美国国家科学基金会;
关键词
Rubiaceae; Psychotria sp; triterpenoid saponins; antiproliferative; PYRROLIDINOINDOLINE ALKALOIDS;
D O I
10.1055/s-0032-1328650
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Six new triterpenoid saponins, psychotrianosides A-F (1-6), and two known triterpenoid saponins, psychotrianoside G (7) and ardisianoside D (8), were isolated from Psychotria sp. Their structures were determined mainly by spectroscopic methods. The cytotoxic activities of 1-8 against five human cancer cell lines (MDA-MB-231, MCF-7, MCF-7/ADM, HepG2, and HepG2/ADM) are reported for the first time. Psychotrianoside C (3) showed the most potent antiproliferative activity among these saponins, and the IC50 value of 3 against MDA-MB-231 was 2.391 +/- 0.161 mu M. Compound 3 was also found to induce apoptosis.
引用
收藏
页码:978 / 986
页数:9
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