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      Expression of Glomerular Antioxidant Enzymes in Human Glomerulonephritis

      a , b , a

      Nephron

      S. Karger AG

      Superoxide dismutase, Catalase, Glomerulonephritis

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          Abstract

          Increased oxidative stress can be correlated with glomerular injury. By immunohistochemical studies, we found expression of glomerular antioxidant enzymes (AOEs), including CuZn-superoxide dismutase (SOD), Mn-SOD, and catalase, in a wide variety of glomerular diseases. The distribution of the AOEs was either localized the in mesangial region or along the luminal surface or epithelial surface of the glomerular capillary wall. There was no significant difference of glomerular AOE expression among minimal change disease (MCD), IgM nephropathy (IgM N), focal segmental glomerulosclerosis, and membranous glomerulonephritis (MGN). However, when compared with MCD, IgM N and MGN, the glomerulus of lupus nephritis and IgA nephropathy expressed a significantly higher positive rate of AOEs (p = 0.04-0.002). The expression of AOEs had a trend to be associated with increased proliferative cell nuclear antigen-positive cells in the glomerulus of diffuse proliferative lupus nephritis (p = 0.056). No association was found between infiltrating leukocytes and AOE expression in all the disease groups. The glomerulus in kidneys with renal cell carcinoma expressed a significantly higher positive rate of AOEs and therefore could not be regarded as a normal control group. In summary, the immunohistochemical evidence of glomerular AOE expression in this study provides supporting evidence of oxidative stress in a wide variety of glomerular diseases.

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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
          23 December 2008
          : 76
          : 1
          : 32-38
          Affiliations
          Departments of aPathology and bMedical Research, Veterans General Hospital, Kaohsiung VACRS, Taiwan/ROC
          Article
          190137 Nephron 1997;76:32–38
          10.1159/000190137
          9171297
          © 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: 7
          Categories
          Original Paper

          Cardiovascular Medicine, Nephrology

          Glomerulonephritis, Superoxide dismutase, Catalase

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