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      Aldosterone Overproduction and CYP11B2 mRNA Overexpression in Vessels of Spontaneously Hypertensive Rats

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          Abstract

          Aldosterone is synthesized in extra-adrenal tissues such as blood vessels and brain. Damage to blood vessels could play a crucial role in perpetuating hypertension. In this study, we determined both aldosterone production and aldosterone synthase gene-CYP11B2 mRNA expression in vessels of spontaneously hypertensive rats (SHR). The results showed that aldosterone was overproduced in the vasculature of SHR, by means of ex vivo mesenteric artery perfusion, HPLC, and RIA, and that CYP11B2 mRNA expression was upregulated in aortas of SHR, confirmed by RT-PCR and Southern blot.

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          Mineralocorticoids, salt and high blood pressure

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            Catecholamine-mediated constrictor effects of aldosterone on vascular smooth muscle

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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
              1663-2818
              1663-2826
              1998
              July 1998
              09 July 1998
              : 50
              : 1
              : 28-31
              Affiliations
              a Department of Cardiology, Nanfang Hospital, The First Military Medical University, Guangzhou, People’s Republic of China; b Second Department of Internal Medicine, School of Medicine, Kanazawa University, Kanazawa, Japan
              Article
              23197 Horm Res 1998;50:28–31
              10.1159/000023197
              9691210
              © 1998 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: 4
              Categories
              Original Paper

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