Literature DB >> 15357975

4-Aryl-3-(mercapto)quinolin-2-ones: novel maxi-K channel opening relaxants of corporal smooth muscle.

Piyasena Hewawasam1, Wenhong Fan, Deborah A Cook, Kimberly S Newberry, Christopher G Boissard, Valentin K Gribkoff, John Starrett, Nicholas J Lodge.   

Abstract

A novel series of 4-aryl-3-(mercapto)quinolin-2-one derivatives was prepared and evaluated as openers of the cloned maxi-K channel hSlo expressed in Xenopus laevis oocytes by utilizing electrophysiological methods. The effect of these maxi-K openers on corporal smooth muscle was studied in vitro using isolated rabbit corpus cavernosum. In vivo efficacy has been demonstrated with a selective maxi-K opening relaxant in a rat model of erectile function.

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Year:  2004        PMID: 15357975     DOI: 10.1016/j.bmcl.2004.06.051

Source DB:  PubMed          Journal:  Bioorg Med Chem Lett        ISSN: 0960-894X            Impact factor:   2.823


  3 in total

1.  Ca2+ -activated K+ channel (KCa) stimulation improves relaxant capacity of PDE5 inhibitors in human penile arteries and recovers the reduced efficacy of PDE5 inhibition in diabetic erectile dysfunction.

Authors:  R González-Corrochano; Jm La Fuente; P Cuevas; A Fernández; Mx Chen; I Sáenz de Tejada; J Angulo
Journal:  Br J Pharmacol       Date:  2013-05       Impact factor: 8.739

2.  NS11021, a novel opener of large-conductance Ca(2+)-activated K(+) channels, enhances erectile responses in rats.

Authors:  A Kun; V V Matchkov; E Stankevicius; A Nardi; A D Hughes; H J Kirkeby; J Demnitz; U Simonsen
Journal:  Br J Pharmacol       Date:  2009-10-20       Impact factor: 8.739

3.  Potassium channels in peripheral pain pathways: expression, function and therapeutic potential.

Authors:  Xiaona Du; Nikita Gamper
Journal:  Curr Neuropharmacol       Date:  2013-12       Impact factor: 7.363

  3 in total

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