Screening for Non-Pore-Binding Modulators of EAG K+ Channels.

Screening for Non-Pore-Binding Modulators of EAG K+ Channels.
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DOI:
10.1177/1087057116636592
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发表时间:
2016-08
影响因子:
--
通讯作者:
Harley CA
Harley CA
中科院分区:
化学3区
文献类型:
--
作者:
Fernandes AS;Morais-Cabral JH;Harley CA

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电压门控 K+ 通道 EAG 家族的成员与多种病理生理疾病有关,人们对筛选调节这些通道活性的药物产生了极大的兴趣。许多药物已被证明可以结合在这些通道的孔中,阻碍离子流动并引起疾病病理。在本报告中,我们提出了两个独立的筛选活动,其中我们想要鉴定与人 ERG 通道的细胞内胞质氨基末端 PAS 结构域结合或与小鼠 EAG1 通道的氨基或羧基末端球状结构域结合的小分子,影响它们的相互作用。我们报告说,在这两种情况下,都鉴定出显示出弱的非特异性结合的化合物。我们建议在未来的努力中应寻求替代途径来识别这些细胞质结构域的特异性、高亲和力结合物。
Members of the EAG family of voltage gated K+ channels are involved in several pathophysiological diseases and there has been a great interest in screening for drugs that modulate the activity of these channels. Many drugs have been shown to bind in the pore of these channels blocking ion flux and causing disease pathology. In this report we present two independent screening campaigns in which we wanted to identify small molecules that bind to either the intracellular cytoplasmic amino terminal PAS domain from the human ERG channel or bind to the amino or carboxy terminal globular domains from the mouse EAG1 channel affecting their interaction. We report that in both cases compounds were identified that showed weak, non-specific binding. We suggest alternative routes should be pursued in future efforts to identify specific, high affinity binders to these cytoplasmic domains.
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发表时间: 2012-10-12
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