Effect of an Increase in Brain Serotonin on the Osmoregulatory Response to a Hypo- or Hyperosmotic Load in Wistar and Vasopressin-Deficient Brattleboro Rats
Abstract:Serotonin and its receptor agonists stimulate the release of arginine vasopressin (AVP) into peripheral blood under intraventricular injection. To test the hypothesis that brain serotonin can modulate the development of natural osmoregulatory responses, the effect of an increase in endogenous brain serotonin on the response to an intragastric hypo- or hyperosmotic loading was studied in Wistar and AVP-deficient Brattleboro rats. 5-Hydroxytryptophan (5-HTP), the rate-limiting serotonin biosynthesis precursor kn… Show more
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