Central vasopressin is modulated by chronic blockade of the renin-angiotensin system in experimental left ventricular hypertrophy

We studied the interaction of the central renin-angiotensin system (RAS) and vasopressin system in rats with left ventricular hypertrophy (LVH) due to aortic banding. In these animals plasma vasopressin is elevated and vasopressin content is increased in specific brain areas. Chronic blockade of the...

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Veröffentlicht in:American journal of hypertension 1999-03, Vol.12 (3), p.311-314
Hauptverfasser: Muders, Frank, Elsner, Dietmar, Schunkert, Heribert, Riegger, Günter A.J, Palkovits, Miklos
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container_end_page 314
container_issue 3
container_start_page 311
container_title American journal of hypertension
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creator Muders, Frank
Elsner, Dietmar
Schunkert, Heribert
Riegger, Günter A.J
Palkovits, Miklos
description We studied the interaction of the central renin-angiotensin system (RAS) and vasopressin system in rats with left ventricular hypertrophy (LVH) due to aortic banding. In these animals plasma vasopressin is elevated and vasopressin content is increased in specific brain areas. Chronic blockade of the RAS by angiotensin-converting enzyme (ACE) inhibition (ramipril) and AT 1 receptor antagonism (losartan) significantly attenuated circulating and central vasopressin in rats with LVH. Given the antidiuretic, vasoconstrictive, and growth-promoting effects, vasopressin may participate in the cardiovascular alterations in LVH. Blockade of the RAS strongly ameliorates central and peripheral vasopressin. Therefore, central modulatory effects on vasopressin might contribute to the therapeutic efficacy of ACE inhibitors and AT 1 antagonists.
doi_str_mv 10.1016/S0895-7061(98)00177-0
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ispartof American journal of hypertension, 1999-03, Vol.12 (3), p.311-314
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source MEDLINE; Oxford University Press Journals All Titles (1996-Current); Alma/SFX Local Collection
subjects angiotensin II
angiotensin-converting enzyme
Angiotensin-Converting Enzyme Inhibitors - pharmacology
Animals
aortic banding
Biological and medical sciences
Blood Pressure
Brain Chemistry - drug effects
brain nuclei
Cardiology. Vascular system
Heart
Heart failure, cardiogenic pulmonary edema, cardiac enlargement
Hypertrophy, Left Ventricular - metabolism
Hypertrophy, Left Ventricular - physiopathology
Losartan - pharmacology
Medical sciences
Ramipril - pharmacology
Rats
Rats, Wistar
Renin-Angiotensin System - drug effects
Vasopressin
Vasopressins - blood
ventricular hypertrophy
title Central vasopressin is modulated by chronic blockade of the renin-angiotensin system in experimental left ventricular hypertrophy
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