Summary
1. The pressor effect of angiotensin II was reduced after intravenous injections or infusions in spinal cats of several aminopeptidases and carboxypeptidase A.
2. The short half life of the enzymes in cats was the reason of the relatively transient effect. The half life of leucine aminopeptidase (LAP) and aminopeptidase from pig kidneys (AP-M) was 4–6 min, of carboxy-peptidase A 50–80 min and of aminopeptidase from aspergillus (AP-Asp.) 10–20 min.
3. The increase of enzyme concentrations in the blood of cats was in correlation with the decrease of the angiotensin pressor effect.
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Referat der 28. Tagung der Deutschen Pharmakologischen Gesellschaft vom 5. bis 8. Oktober 1964 in Bad Nauheim: Naunyn-Schmiedebergs Arch. exp. Path. Pharmak. 250, 264 (1965).
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Klaus, D., Heizmann, A. & Uehleke, H. Beeinflussung der Blutdruckwirkung von Angiotensin durch Aminopeptidasen und Carboxypeptidase. Naunyn - Schmiedebergs Arch 251, 28–38 (1965). https://doi.org/10.1007/BF00245727
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DOI: https://doi.org/10.1007/BF00245727