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  • Title: Osmoregulatory actions of angiotensin II are independent of adrenergic receptor mechanisms in the duck, Anas platyrhynchos.
    Author: Wilson JX.
    Journal: Comp Biochem Physiol C Comp Pharmacol Toxicol; 1987; 88(1):57-60. PubMed ID: 2890489.
    Abstract:
    1. Intravenous infusion of a physiological dose of fowl angiotensin II (ANG II) in salt-loaded ducks raised systemic arterial blood pressure, inhibited nasal salt gland fluid and solute secretion, and stimulated renal-cloacal urine production. 2. Beta-adrenergic receptor blockade by propranolol lowered arterial pressure but did not prevent the effects of ANG II on salt and water excretion. 3. Alpha-adrenergic receptor blockade by prazosin decreased both arterial pressure and plasma glucose levels, but it did not impair the osmoregulatory actions of ANG II. 4. These observations indicate that redistribution by ANG II of salt and water excretion is independent of adrenergic receptor mechanisms and therefore does not depend on the sympathomimetic activity of the hormone.
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