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The role of vasopressin in the control of renal hemodynamics. The Brattleboro rat as an experimental model.

Abstract
It has been demonstrated through the use of new techniques that the action of vasopressin on the kidneys is not limited to changing the water permeability of distal tubules and collecting ducts. However, it has yet to be established whether these additional actions, such as lowering Kf (possibly by contracting mesangial cells), or increasing postglomerular vascular resistance, are important factors in the control of GFR and renal blood flow. The use of animals with diabetes insipidus, particularly the Brattleboro homozygous (DI) rat, may help to circumvent a number of methodological problems and provide a useful model for assessing the role of vasopressin in the control of renal hemodynamics. Although that role may be exerted through a direct effect on the vascular tone, it may be an indirect effect in which the antidiuretic action of vasopressin alters fluid balance and elicits secondary changes in other vasoactive hormones. The complexity of this latter possibility suggests that other methodological problems (in the measurement and/or control of the related variables) may complicate the final resolution of this issue for some time to come.
AuthorsM Gellai
JournalAnnals of the New York Academy of Sciences (Ann N Y Acad Sci) Vol. 394 Pg. 343-9 ( 1982) ISSN: 0077-8923 [Print] United States
PMID6758651 (Publication Type: Journal Article, Research Support, U.S. Gov't, P.H.S., Review)
Chemical References
  • Vasopressins
  • Arginine Vasopressin
  • Oxytocin
Topics
  • Animals
  • Arginine Vasopressin (pharmacology)
  • Diabetes Insipidus (physiopathology)
  • Disease Models, Animal
  • Diuresis
  • Glomerular Filtration Rate (drug effects)
  • Hemodynamics
  • Kidney (blood supply)
  • Oxytocin (pharmacology)
  • Rats
  • Rats, Brattleboro (physiology)
  • Rats, Mutant Strains (physiology)
  • Renal Circulation (drug effects)
  • Vascular Resistance
  • Vasopressins (physiology)

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