From α4β2 Nicotinic Ligands to the Discovery of σ1 Receptor Ligands: Pharmacophore Analysis and Rational Design.

From α4β2 Nicotinic Ligands to the Discovery of σ1 Receptor Ligands: Pharmacophore Analysis and Rational Design.
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DOI:
10.1021/ml3002715
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发表时间:
2012-12-13
影响因子:
4.2
通讯作者:
Kozikowski, Alan P.
Kozikowski, Alan P.
中科院分区:
医学3区
文献类型:
--
作者:
Yu, Li-Fang;Zhang, Han-Kun;Gunosewoyo, Hendra;Kozikowski, Alan P.

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对σ1和烟碱配体所需的药效学元素进行比较分析,鉴定出一种有效且具有选择性的σ1配体(15)。在常见CNS神经递质转运蛋白和受体的PDSP广泛筛选组中,化合物15显示出对σ1受体的高选择性(Ki,σ1 = 4.1 nM,Ki,σ2 = 1312 nM)以及对DAT(Ki = 373 nM)和NET(Ki = 203 nM)的中等结合亲和力。这项工作的关键发现是,微妙的结构修饰可以用作在nAChR和σ受体之间切换配体选择性的工具。
Comparative analyses of the pharmacophoric elements required for σ1 and nicotinic ligands led to the identification of a potent and selective σ1 ligand (15). Compound 15 displayed high selectivity for the σ1 receptor (Ki, σ1 = 4.1 nM, Ki, σ2 = 1312 nM) with moderate binding affinity for the DAT (Ki = 373 nM) and NET (Ki = 203 nM) in the PDSP broad screening panel of common CNS neurotransmitter transporters and receptors. The key finding in this present work is that a subtle structural modifica tion could be used as a tool to switch a ligand’s selectivity between nAChRs and sigma receptors.
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