Sterol effect on interaction between amphidinol 3 and liposomal membrane as evidenced by surface plasmon resonance

被引：27
|
作者：
Swasono, Respati T. [1 ]
Mouri, Ryota [1 ]
Morsy, Nagy [1 ]
Matsumori, Nobuaki [1 ]
Oishi, Tohru [1 ]
Murata, Michio [1 ]
机构：
[1] Osaka Univ, Grad Sch Sci, Dept Chem, Osaka 5600043, Japan
来源：
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS | 2010年 / 20卷 / 07期
关键词：
Amphidinol; Surface plasmon resonance; Cholesterol; Ergosterol; TRUNCATED POLYHYDROXYL CHAIN; MARINE DINOFLAGELLATE; ANTIFUNGAL; COMPOUND;
D O I：
10.1016/j.bmcl.2010.02.025
中图分类号：
R914 [药物化学];
学科分类号：
100701 ;
摘要：
The affinity of amphidinol 3 (AM3) to phospholipid membranes in the presence and absence of sterol was examined by surface plasmon resonance (SPR) experiments. The results showed that AM3 has 1000 and 5300 times higher affinity for cholesterol-and ergosterol-containing liposomes, respectively, than those without sterol. The two-state reaction model well reproduced the sensor grams, which indicated that the interaction is composed of two steps, which correspond to binding to the membrane and internalization to form stable complexes. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2215 / 2218
页数：4
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