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      Renal Alpha-1-Adrenoreceptors in Rats with Obstructive Jaundice

      , ,

      Nephron

      S. Karger AG

      α1-Receptors, Kidney, Obstructive jaundice

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          Abstract

          α<sub>1</sub>-Adrenoreceptor affinity constants (K<sub>D</sub>) and receptor numbers( B<sub>max</sub>) were determined in the kidneys of 3-day-old bile-duct-ligated (BDL) jaundiced rats using <sup>3</sup>H-prazosin. The results were compared to 3-day-old pair-fed and nonpair-fed sham-operated rats as well as nonoperated rats as controls. Abdominal surgery (sham and BDL) resulted in a tendency towards a decrease in K<sub>D</sub> in all three groups of rats compared to nonoperated controls. The B<sub>max</sub> was also increased in the sham-operated groups compared to the nonoperated controls. In contrast, the tendency for a rise in the B<sub>max</sub> in the BDL group was significantly smaller than the rise seen in the two sham-operated groups. In summary, obstructive jaundice suppresses the normal renal α<sub>r</sub>adrenoreceptor response to abdominal surgery in the rat.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1986
          1986
          04 December 2008
          : 42
          : 3
          : 258-261
          Affiliations
          Rappaport Family Institute for Research in the Medical Sciences; Department of Pharmacology, Faculty of Medicine, Technion, and Department of Nephrology, Rambam Medical Center, Haifa, Israel
          Article
          183677 Nephron 1986;42:258–261
          10.1159/000183677
          3003604
          © 1986 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

          Cardiovascular Medicine, Nephrology

          Obstructive jaundice, &alpha;1-Receptors, Kidney

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