Identification of Darmstoff analogs as selective agonists and antagonists of lysophosphatidic acid receptors
作者:Veeresa Gududuru、Kui Zeng、Ryoko Tsukahara、Natalia Makarova、Yuko Fujiwara、Kathryn R. Pigg、Daniel L. Baker、Gabor Tigyi、Duane D. Miller
DOI:10.1016/j.bmcl.2005.08.096
日期:2006.1
To understand the effect of stereochemistry on lysophosphatidic acid mimetic activity, synthesis of optically pure stereoisomers of selected Darmstoff analogs was achieved starting with chiral methyl glycerates. Each Darmstoff analog was evaluated for subtype-specific LPA receptor agonist/antagonist activity, PPARgamma activation, and autotaxin inhibition. From this study we identified compound 12 as
Darmstoff描述了50年前从刺激肠液中分离并表征的肠道平滑肌刺激缩醛磷脂酸家族。尽管具有相似的结构和生物学特性,但以前尚未将Darmstoff类似物作为潜在的LPA模拟物进行过研究。在这里,我们报告了一种简便的方法,用于合成Darmstoff类似物的钾盐。为了理解立体化学对溶血磷脂酸模拟活性的影响,从手性甲基甘油酯开始,实现了所选Darmstoff类似物的光学纯立体异构体的合成。评估每个Darmstoff类似物的亚型特异性LPA受体激动剂/拮抗剂活性,PPARγ激活和自分泌抑制素。从这项研究中,我们确定化合物12为LPA(1-3)受体的泛拮抗剂和几种泛激动剂。在脂质链中引入芳香环,例如类似物22,产生了亚型特异性LPA(3)激动剂,其EC(50)为692 nM。有趣的是,不管它们的LPA(1/2/3)配体特性如何,所有Darmstoff类似物都测试了激活的PPARgamma。但是,这