Endothelin stimulates release of atrial natriuretic peptides in vitro and in vivo
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J P Stasch1, C Hirth-Dietrich, S Kazda
1Bayer AG, Pharma Research Centre, Wuppertal, Federal Republic of Germany.
Life Sciences
|January 1, 1989
Abstract:
The effect of endothelin (END) on the release of atrial natriuretic peptides (ANP) was studied in isolated rat atria and in conscious rats. END stimulates the ANP release in vitro in a dose-dependent manner. An increase in ANP plasma levels and cyclic GMP plasma levels was also observed in conscious rats after injection of END. When a monoclonal antibody directed against ANP was injected together with END the increase in cyclic GMP was completely blocked. From this study it is concluded that END is a potent secretagogue for ANP both in vitro and in vivo.