Further optimization of the K-Cl cotransporter KCC2 antagonist ML077: development of a highly selective and more potent in vitro probe.
Further optimization of the K-Cl cotransporter KCC2 antagonist ML077: development of a highly selective and more potent in vitro probe.
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DOI:
10.1016/j.bmcl.2012.05.126
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发表时间:
2012-07-15
影响因子:
2.7
通讯作者:
Lindsley, Craig W.
中科院分区:
文献类型:
--
作者:
Delpire, Eric;Baranczak, Aleksandra;Waterson, Alex G.;Kim, Kwangho;Kett, Nathan;Morrison, Ryan D.;Daniels, J. Scott;Weaver, C. David;Lindsley, Craig W.
Further chemical optimization of the MLSCN/MLPCN probe ML077 (KCC2 IC50 = 537 nM) proved to be challenging as the effort was characterized by steep SAR. However, a multidimensional iterative parallel synthesis approach proved productive. Herein we report the discovery and SAR of an improved novel antagonist (VU0463271) of the neuronal-specific potassium-chloride cotransporter 2 (KCC2), with an IC50 of 61 nM and >100-fold selectivity versus the closely related Na-K-2Cl cotransporter 1 (NKCC1) and no activity in a larger panel of GPCRs, ion channels and transporters.
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