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      The Toxicity of Guanidino Compounds in the Red Blood Cell in Uremia and the Effects of Hemodialysis

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          Abstract

          The presence of creatine, guanidinopropionic acid (GPA) and guanidinobutyric acid (GBA) was demonstrated in red blood cells from uremic patients; they were found only in trace amounts in red blood cells of normal controls. The levels of creatine, GPA and GBA in the red cell did not change during dialysis in contrast to the simultaneous decrease in plasma level. Both creatine and GPA inhibited glucose-6-phosphate dehydrogenase (G6PD) in vitro in physiological concentration, while creatine also activated erythrocyte transketolase (ETK). These effects are consistent with the low red cell G6PD level and high ETK activity that were observed in our uremic patients. The unchanging levels of creatine and GPA in the red cell despite hemodialysis may explain the continuing autohemolysis in otherwise adequately hemodialyzed end-stage renal failure patients.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1982
          1982
          03 December 2008
          : 31
          : 1
          : 20-23
          Affiliations
          Departments of Nephrology, Soroka Hospital, Beersheva, Israel; Brooklyn VA Medical Center, Brooklyn, N.Y., USA
          Article
          182603 Nephron 1982;31:20–23
          10.1159/000182603
          7110471
          © 1982 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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