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Effects of a nonpressor analogue of vasopressin on plasma renin activity and salt and water excretion in water-loaded, anesthetized dogs. 1982

S A Malayan, and I A Reid

The object of this study was to determine the importance of vasoconstrictor activity in the suppression of renin secretion by vasopressin. Arginine vasopressin (AVP) (0.05 and 0.1 ng/kg/min) and a nonpressor analogue of vasopressin, 1-deamino-[4-threonine, 8-D-arginine]-vasopressin (dTDAVP) (0.01 and 0.05 ng/kg/min), were infused intravenously in anesthetized hypophysectomized dogs. Neither dTDAVP nor AVP influenced arterial pressure or heart rate but both suppressed plasma renin activity. Infusion of dTDAVP at 0.01 and 0.05 ng/kg/min suppressed plasma renin activity to 86 +/- 4% (p less than 0.05) and 63 +/- 6% (p less than 0.01) of the control values respectively. Infusion of AVP at 0.05 and 0.1 ng/kg/min suppressed plasma renin activity to 60 +/- 8% (p less than 0.01) and 59 +/- 12% (p less than 0.05) of the control values respectively. dTDAVP and AVP both produced significant increases in sodium excretion. These data demonstrate that vasoconstrictor activity is not required for the effects of vasopressin on renin secretion and sodium excretion.

UI MeSH Term Description Entries
D008297 Male Males
D009318 Natriuresis Sodium excretion by URINATION. Natriureses
D009994 Osmolar Concentration The concentration of osmotically active particles in solution expressed in terms of osmoles of solute per liter of solution. Osmolality is expressed in terms of osmoles of solute per kilogram of solvent. Ionic Strength,Osmolality,Osmolarity,Concentration, Osmolar,Concentrations, Osmolar,Ionic Strengths,Osmolalities,Osmolar Concentrations,Osmolarities,Strength, Ionic,Strengths, Ionic
D012083 Renin A highly specific (Leu-Leu) endopeptidase that generates ANGIOTENSIN I from its precursor ANGIOTENSINOGEN, leading to a cascade of reactions which elevate BLOOD PRESSURE and increase sodium retention by the kidney in the RENIN-ANGIOTENSIN SYSTEM. The enzyme was formerly listed as EC 3.4.99.19. Angiotensin-Forming Enzyme,Angiotensinogenase,Big Renin,Cryorenin,Inactive Renin,Pre-Prorenin,Preprorenin,Prorenin,Angiotensin Forming Enzyme,Pre Prorenin,Renin, Big,Renin, Inactive
D003894 Deamino Arginine Vasopressin A synthetic analog of the pituitary hormone, ARGININE VASOPRESSIN. Its action is mediated by the VASOPRESSIN receptor V2. It has prolonged antidiuretic activity, but little pressor effects. It also modulates levels of circulating FACTOR VIII and VON WILLEBRAND FACTOR. Desmopressin,Vasopressin, Deamino Arginine,1-Deamino-8-D-arginine Vasopressin,1-Desamino-8-arginine Vasopressin,Adiuretin,Adiuretin SD,Apo-Desmopressin,DDAVP,Desmogalen,Desmopressin Acetate,Desmopressin Monoacetate,Desmopressin Monoacetate, Trihydrate,Desmopressine Ferring,Desmospray,Desmotabs,Minirin,Minurin,Nocutil,Octim,Octostim,Acetate, Desmopressin,Arginine Vasopressin, Deamino,Ferring, Desmopressine,Monoacetate, Desmopressin,Monoacetate, Trihydrate Desmopressin,Trihydrate Desmopressin Monoacetate,Vasopressin, 1-Deamino-8-D-arginine,Vasopressin, 1-Desamino-8-arginine
D004231 Diuresis An increase in the excretion of URINE. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Diureses
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005260 Female Females
D000758 Anesthesia A state characterized by loss of feeling or sensation. This depression of nerve function is usually the result of pharmacologic action and is induced to allow performance of surgery or other painful procedures.
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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