Designing Selective, High Affinity Ligands of 5-HT<sub>1D</sub> Receptor by Covalent Dimerization of 5-HT<sub>1F</sub> Ligands Derived From 4-Fluoro-<i>N</i>-[3-(1-methyl-4-piperidinyl)-1<i>H</i>-indol-5-yl]benzamide
作者:Seok-Ki Choi、David Green、Anne Ho、Uwe Klein、Daniel Marquess、Robert Taylor、S. Derek Turner
DOI:10.1021/jm7011722
日期:2008.6.1
that covalent dimerization of 5-HT 1 ligands is an effective design strategy to modulate affinity and selectivity of 5-HT 1 ligands. This approach was applied to LY-334370, a selective agonist of 5-HT 1F receptor, to generate structurally well-defined divalent molecules. Radioligand binding assays to three cloned 5-HT 1 receptor subtypes (5-HT 1B, 5-HT 1D, 5-HT 1F) demonstrated that the affinity of a
我们在这里证明5-HT 1配体的共价二聚是一种有效的设计策略,以调节5-HT 1配体的亲和力和选择性。该方法应用于LY-334370(5-HT 1F受体的选择性激动剂),以生成结构明确的二价分子。对三种克隆的5-HT 1受体亚型(5-HT 1B,5-HT 1D,5-HT 1F)进行的放射性配体结合测定表明,一系列同源二聚体的亲和力在探索三个结构变量(接头长度,附件位置,功能)。特别地,衍生自单体(3)的一系列C 3-至C 3连接的二聚体显示出对5-HT 1D的高结合亲和力(例如,对于二聚体8,K i约为0.3 nM),但不与5结合-HT 1F(K i> 0.01 mM),提供> 10000倍的亚型选择性。