Discovery of Selective Small Molecule ROMK Inhibitors as Potential New Mechanism Diuretics.
ACS Med Chem Lett
; 3(5): 367-72, 2012 May 10.
Article
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| MEDLINE
| ID: mdl-24900480
ABSTRACT
The renal outer medullary potassium channel (ROMK or Kir1.1) is a putative drug target for a novel class of diuretics that could be used for the treatment of hypertension and edematous states such as heart failure. An internal high-throughput screening campaign identified 1,4-bis(4-nitrophenethyl)piperazine (5) as a potent ROMK inhibitor. It is worth noting that this compound was identified as a minor impurity in a screening hit that was responsible for all of the initially observed ROMK activity. Structure-activity studies resulted in analogues with improved rat pharmacokinetic properties and selectivity over the hERG channel, providing tool compounds that can be used for in vivo pharmacological assessment. The featured ROMK inhibitors were also selective against other members of the inward rectifier family of potassium channels.
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MEDLINE
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En
Revista:
ACS Med Chem Lett
Año:
2012
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Article
País de afiliación:
Estados Unidos
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EEUU
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ESTADOS UNIDOS
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ESTADOS UNIDOS DA AMERICA
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EUA
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UNITED STATES
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UNITED STATES OF AMERICA
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US
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USA