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      Arginine Reduces Kidney Collagen Accumulation, Cross-Linking, Lipid Peroxidation, Glycoxidation, Kidney Weight and Albuminuria in the Diabetic kk Mouse

      , , , ,

      Nephron

      S. Karger AG

      Diabetes mellitus, Collagen accumulation, kk mouse, Arginine

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          Abstract

          In diabetic nephropathy a major current concept for pathogenesis is increased collagen accumulation in the glomerulus by increased collagen synthesis and decreased degradation. In the present study, we tested the hypothesis whether arginine is able to influence kidney lipid peroxidation, glycoxidation, collagen accumulation, glucose-mediated cross-linking, hydroxy radical attack, protein oxidation, nitric oxide formation and albuminuria in the diabetic kk mouse. Ten diabetic kk mice were given arginine 50 mg/kg body weight, 10 diabetic kk mice were not treated and used as negative controls and 10 kk mice were kept as healthy controls. Our results show that oral administration of low-dose arginine reduces kidney collagen accumulation as reflected by kidney hydroxyproline, cross-linking as reflected by pentosidine, lipid peroxidation, glycoxidation as reflected by carboxymethyl lysine, kidney weight and albuminuria in the diabetic kk mouse. Albuminuria in untreated animals was closely correlated with lipid peroxidation. Our results in the spontaneously diabetic kk mouse representing type 2 diabetes mellitus therefore confirm and extend recent findings of collagen reduction by arginine in a different animal model. The mechanism of reducing proteinuria can be assigned to the blocking of lipid peroxidation products by L-arginine.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1997
          1997
          19 December 2008
          : 75
          : 2
          : 213-218
          Affiliations
          Department of Pediatrics, Institute of Animal Breeding and Medical Chemistry, University of Vienna, Austria
          Article
          189534 Nephron 1997;75:213–218
          10.1159/000189534
          9041544
          © 1997 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: 6
          Categories
          Original Paper

          Cardiovascular Medicine, Nephrology

          Arginine, Collagen accumulation, Diabetes mellitus, kk mouse

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