Effects of dopamine on renal receptors for arginine vasopressin

T. Mitsui, T. Ogura, Z. Ota, N. Ogawa

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

To determine whether dopamine would affect the arginine vasopressin (AVP) receptors in the kidney, and if so, which source of dopamine would predominantly affect them, changes in the AVP receptors of the rat kidney were measured under the conditions of chronic renal denervation and the chronic infusion of dopamine using the radiolabeled receptor assay (RRA) of [3H]-AVP. Denervation was performed by stripping the nerves from the renal artery and coating them with 10% phenol. Chronic denervation had no significant effect on either the affinity or maximum binding capacity of the renal AVP receptors, although diuresis was observed. The chronic infusion of dopamine using an osmotic minipump produced a decrease in the affinity of the AVP receptors. These observations indicate that dopamine may regulate the AVP receptors in rat kidney via circulating dopamine.

Original languageEnglish
Pages (from-to)131-141
Number of pages11
JournalResearch Communications in Chemical Pathology and Pharmacology
Volume76
Issue number2
Publication statusPublished - 1992

Fingerprint

Vasopressin Receptors
Dopamine
Kidney
Denervation
Rats
Arginine Vasopressin
Diuresis
Renal Artery
Phenol
Assays
Coatings

ASJC Scopus subject areas

  • Pharmacology
  • Toxicology

Cite this

Effects of dopamine on renal receptors for arginine vasopressin. / Mitsui, T.; Ogura, T.; Ota, Z.; Ogawa, N.

In: Research Communications in Chemical Pathology and Pharmacology, Vol. 76, No. 2, 1992, p. 131-141.

Research output: Contribution to journalArticle

Mitsui, T. ; Ogura, T. ; Ota, Z. ; Ogawa, N. / Effects of dopamine on renal receptors for arginine vasopressin. In: Research Communications in Chemical Pathology and Pharmacology. 1992 ; Vol. 76, No. 2. pp. 131-141.
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