Discovery of the first highly M5-preferring muscarinic acetylcholine receptor ligand, an M5 positive allosteric modulator derived from a series of 5-trifluoromethoxy N-benzyl isatins.

Discovery of the first highly M5-preferring muscarinic acetylcholine receptor ligand, an M5 positive allosteric modulator derived from a series of 5-trifluoromethoxy N-benzyl isatins.
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DOI:
10.1021/jm900286j
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发表时间:
2009-06-11
影响因子:
7.3
通讯作者:
Lindsley CW
Lindsley CW
中科院分区:
医学1区
文献类型:
--
作者:
Bridges TM;Marlo JE;Niswender CM;Jones CK;Jadhav SB;Gentry PR;Plumley HC;Weaver CD;Conn PJ;Lindsley CW

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本报告描述了第一个M受体亚型5(mAChR5或M5)的正变构调节剂的发现和初步鉴定。功能性HTS,鉴定出VU0119498,它在基于细胞的钙动员试验中显示出在M1、M3和M5受体上增强乙酰胆碱的微摩尔潜力。随后的优化导致了VU0238429的发现,它在M5的EC50约为1.16微米,与M1和M3相比,其选择性是>30倍,没有M2或M4增强剂活性。
This report describes the discovery and initial characterization of the first positive allosteric modulator of muscarinic acetylcholine receptor subtype 5 (mAChR5 or M5). Functional HTS, identified VU0119498, which displayed micromolar potencies for potentiation of acetylcholine at M1, M3, and M5 receptors in cell-based Ca2+ mobilization assays. Subsequent optimization led to the discovery of VU0238429, which possessed an EC50 of approximately 1.16 µM at M5 with >30-fold selectivity versus M1 and M3, with no M2 or M4 potentiator activity.
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