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      Role of Atrial Natriuretic Peptides and Neuropeptide Y in Blood Pressure Regulation

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          Abstract

          Atrial natriuretic peptides (ANP) are released into the circulation in response to enhanced atrial stretching. These peptides not only have diuretic and natriuretic properties, but also exert a relaxing effect on the vasculature. Moreover, they antagonize the contractions induced by norepinephrine and angiotensin II. Neuropeptide Y (NPY) is also a vasoactive peptide. It is widely distributed throughout the central and peripheral nervous systems. NPY is coreleased with norepinephrine by perivascular nerve endings. At high concentrations, this peptide has a direct vasoconstrictor effect. In addition, it enhances the vascular effect of various agonists, including norepinephrine and angiotensin II. Both ANP and NPY have an inhibitory effect on renin secretion. This effect may have important implications for the role of these peptides in cardiovascular regulation.

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          Author and article information

          Journal
          HRE
          Horm Res Paediatr
          10.1159/issn.1663-2818
          Hormone Research in Paediatrics
          S. Karger AG
          978-3-8055-5316-2
          978-3-318-01936-0
          1663-2818
          1663-2826
          1990
          1990
          02 December 2008
          : 34
          : 3-4
          : 161-165
          Affiliations
          Division of Hypertension and Cardiovascular Research Group, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
          Article
          181817 Horm Res 1990;34:161–165
          10.1159/000181817
          2151774
          © 1990 S. Karger AG, Basel

          Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

          Page count
          Pages: 5
          Categories
          Hormonal Control of Arterial Pressure and Water Electrolyte Metabolism

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