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      Hepatitis B Virus-Associated Membraneous Nephropathy: Clinical Features, Immunological Profiles and Outcome

      Nephron

      S. Karger AG

      Hepatitis B virus, Membraneous nephropathy, HBe antigen

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          Abstract

          To evaluate the clinical features, immunological profiles and the prognosis of hepatitis B virus-associated membraneous nephropathy (HBVMN), 34 patients (25 boys and 9 girls) were studied from April 1981 to November 1987. With Fab fragments of monoclonal antibodies, hepatitis B e antigen (HBeAg) was detected in the glomerular deposits from 30 cases (88.2%) and in the sera from 32 cases (94.1%). These results suggest that HBeAg plays an important role in the development of HBVMN. In addition, clinical trials of 32 cases demonstrate a relatively poor response to the steroid therapy with persistent heavy proteinuria (32.4%) or a high frequent relapse rate (38.2%); only 1 case (3.1%) had early response. In 4 cases follow-up renal biopsy was performed, progressive sclerosis with interstitial fibrosis being noted in each instance. The stage of membraneous nephropathy examined under the light microscope, had progressed from stage I or II to stage III. One had impaired renal function. Therefore, HBVMN does not always take a benign course. In the immunological profiles, significant hypocomplementemia with low C3, C4 and properdin factor B levels were found during the initial 6 months after the onset of disease. Hepatitis B surface antigen (HBsAg) circulating immune complexes (CIC) were also significantly higher. However, the levels of HBsAg CIC did not correlate with the degree of proteinuria or hematuria. In patients with persistent HBsAg carriage, serum HBeAg status alone did not correlate with remission rate, and remission occurred usually before the HBeAg seroconversion to anti-HBe. These results suggest that factors other than HBeAg play important roles in HBVMN.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1990
          1990
          10 December 2008
          : 55
          : 1
          : 37-44
          Affiliations
          Departments of Medical Research and Pediatrics, Veterans General Hospital, Taipei, Taiwan
          Article
          185916 Nephron 1990;55:37–44
          10.1159/000185916
          2191232
          © 1990 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: 8
          Categories
          Original Paper

          Cardiovascular Medicine, Nephrology

          HBe antigen, Membraneous nephropathy, Hepatitis B virus

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