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Horm Metab Res 1990; 22(6): 323-328
DOI: 10.1055/s-2007-1004912
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© Georg Thieme Verlag, Stuttgart · New York

Central Effects of Atrial Natriuretic Peptide on Plasma Catecholamines, Vasopressin, Renin and Beta-Endorphin and on Renal Excretory Functions in the Dog

E. Szeczepań ska-Sadowswka, B. Wocial1 , J. Sobociń ska, E. Kowalik-Borówka
  • Department of Clinical and Applied Physiology, Warsaw Academy of Medicine, Warsaw, Poland
  • 1Clinic of Hypertension and Angiology, Warsaw Academy of Medicine, Warsaw, Poland
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Publication History

1989

1989

Publication Date:
24 April 2008 (online)

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Summary

Atrial natriuretic peptide (ANP) has been identified in the central nervous system and its participation in regulation of various regulatory brain functions has been postulated. To elucidate whether central ANP influences endocrine systems related to blood pressure regulation and renal excretory functions, effects of infusion of ANP at a rate of 120 ng·min-1 into the third cerebral ventricle on plasma level of epinephrine (E), norepinephrine (NE), renin, vasopressin and beta-endorphin as well as on excretion of urine, sodium, potassium (UKV) solutes and free water (CH2O) were investigated in conscious dogs. Significant decrease of plasma E from 77.6 ± 7.0 to 62.1 ± 4.8 pg·ml-1 and of NE from 345.5 ± 20.7 to 286.4 ± 15.0 pg·ml-1 was found at the end of 30 min lasting ANP infusion. Significant elevation of PRA and UKV and a decrease in CH2O were found 60 min after ANP infusion. No significant changes in other variables were found. In time control experiments plasma hormones concentration and renal excretory functions were not significantly influenced. The results suggest that central ANP may affect the sympathoadrenal outflow.

Key words

Atrial Natriuretic Peptide - Catecholamines - Renin - Vasopressin - Beta-Endorphin

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