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      Renal Handling of Uric Acid in Normal Subjects by Means of the Pyrazinamide and Probenecid Tests

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          Abstract

          Pyrazinamide and probenecid tests were used to study the renal mechanisms for urate excretion in 10 normal subjects in the state of low serum uric acid levels (below 3.5 mg/dl), normal serum urate concentrations (between 3.6 and 6.4 mg/dl) and high serum uric acid levels (above 6.5 mg/dl). Presecretory reabsorption of urate was above 99% in all three conditions of uricemia, indicating that filtered urate is nearly completely reabsorbed in the proximal tubule regardless of serum uric acid concentrations. Urate secretion was significantly higher and postsecretory reabsorption was significantly lower when serum uric acid was raised than when serum urate levels were normal or low. The findings indicate that both urate secretion and postsecretory reabsorption play a role in urate homeostasis in states of hyperuricemia.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1983
          1983
          03 December 2008
          : 35
          : 3
          : 183-186
          Affiliations
          Departments of Internal Medicine and Clinical Biopathology Clínica ‘La Paz’, Universidad Autónoma, Madrid, Spain
          Article
          183071 Nephron 1983;35:183–186
          10.1159/000183071
          6633758
          6f95e778-c45f-46c9-bea2-2aa460a0eb86
          © 1983 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.

          History
          : 08 April 1983
          Page count
          Pages: 4
          Categories
          Original Paper

          Cardiovascular Medicine,Nephrology
          Pyrazinamide,Probenecid,Presecretory reabsorption,Tubular secretion,Postsecretory reabsorption

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