Cancer Chemopreventive Activity of Xanthones from Calophyllum elatum

被引:0
作者
Ito, Chihiro [1 ]
Matsui, Takuya [1 ,2 ]
Kobayashi, Takashi [1 ]
Tokuda, Harukuni [3 ]
Shanmugam, Sivabalan [4 ]
Itoigawa, Masataka [5 ]
机构
[1] Meijo Univ, Fac Pharm, Tempaku Ku, Nagoya, Aichi 4688503, Japan
[2] Aichi Med Univ, Sch Med, Dept Physiol, Nagakute, Aichi 4801195, Japan
[3] Kyoto Univ, Grad Sch Agr, Div Food Sci & Biotechnol, Organ Chem Life Sci, Kyoto 6068502, Japan
[4] Annamalai Univ, Fac Sci, Annamalainagar 608002, Tamil Nadu, India
[5] Tokai Gakuen Univ, Sch Sport & Hlth Sci, 21-233 Nishinohora, Miyoshi, Aichi 4700207, Japan
关键词
Calophyllum elatum; Guttiferae; Xanthones; Isogarciniaxanthone E; Cancer chemopreventive activity; CHEMICAL-CONSTITUENTS; STRUCTURE ELUCIDATION; STEM BARK; PLANTS;
D O I
暂无
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
In our continuing search for compounds with antitumor-promoting activity, we screened eight xanthones isolated from Calophyllum elatum Bedd. (Guttiferae) by examining their possible inhibitory effects on Epstein-Barr virus early antigen (EBV-EA) activation induced by 12-O-tetradecanoylphorbol-13-acetate (TPA) in Raji cells. Several compounds tested in this study showed inhibitory activity against EBV, without showing any cytotoxicity. Isogarciniaxanthone E (2) showed more potent activity than any of the other compounds tested. Furthermore, isogarciniaxanthone E (2) exhibited a marked inhibitory effect on mouse skin tumor promotion in an in vivo two-stage carcinogenesis test.
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页码:447 / 449
页数:3
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