{"title":"Effects of vanadate, ouabain and amiloride on the contraction of the rat testicular capsule to oxytocin.","authors":"M Sanchez, F Andrés-Trelles, A Hidalgo","doi":"10.1016/0306-3623(91)90082-h","DOIUrl":null,"url":null,"abstract":"<p><p>1. The modification of the contraction of the rat testicular capsule to oxytocin (OT) by vanadate (0.7, 7 and 70 microM), ouabain (0.1 mM), and amiloride (10 microM to 1 mM) have been studied. 2. OT (1 nM-6 microM) and vanadate (10 microM-3 mM) induced contraction of the rat testicular capsule in a dose-dependent way (ED50: 188 +/- 66 nM and 82.8 +/- 7.4 microM, respectively). 3. Vanadate (0.7, 7 and 70 microM) and ouabain (0.1 mM) increases the contractile effect of OT (50 and 200 nM). 4. Amiloride (10 microM-1 mM) inhibit, in a dose-dependent way, the OT-contraction. 5. Amiloride (10 microM or 50 microM) block the ouabain but not the vanadate potentiation to OT.</p>","PeriodicalId":12487,"journal":{"name":"General pharmacology","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0306-3623(91)90082-h","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"General pharmacology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1016/0306-3623(91)90082-h","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
1. The modification of the contraction of the rat testicular capsule to oxytocin (OT) by vanadate (0.7, 7 and 70 microM), ouabain (0.1 mM), and amiloride (10 microM to 1 mM) have been studied. 2. OT (1 nM-6 microM) and vanadate (10 microM-3 mM) induced contraction of the rat testicular capsule in a dose-dependent way (ED50: 188 +/- 66 nM and 82.8 +/- 7.4 microM, respectively). 3. Vanadate (0.7, 7 and 70 microM) and ouabain (0.1 mM) increases the contractile effect of OT (50 and 200 nM). 4. Amiloride (10 microM-1 mM) inhibit, in a dose-dependent way, the OT-contraction. 5. Amiloride (10 microM or 50 microM) block the ouabain but not the vanadate potentiation to OT.
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