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      Ultrastructural and Histochemical Mesangial Alterations in Callitrichid IgM Nephropathy (Primates: Platyrrhina)

      ,

      Nephron

      S. Karger AG

      Callitrichidae, Electron microscopy, Histochemistry, IgM nephropathy, Mesangium, Nonhuman primates

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          Abstract

          The ultrastructural and histochemical alterations during different stages of spontaneously occurring IgM nephropathy in Callitrichidae were determined. Callitrichid IgM nephropathy was classified according to the light microscopic sequence of the mesangial lesions in the individual glomeruli. In minimal disease and axial proliferation mesangial cells and mesangial matrix were symmetrically increased, whereas in panmesangial disease matrix deposition exceeded the cellular responses. However, ultrastructural matrix changes such as deposition of electron-dense particles, dilatation of the matrix channel system, and slightly increased collagen fiber expression were present also in minimal disease and axial proliferation. Histochemically collagen I and III phenotypes could only be verified in glomerular sclerosis, at that time accompanied by diminution of collagen IV The mesangial cellular lesions, in contrast, were very limited. The numerical increase in mesangial cells was associated with increased bleb formation and increased heterolysosome contents, whereas the amount of micro filaments was never increased.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1995
          1995
          17 December 2008
          : 69
          : 3
          : 286-292
          Affiliations
          German Primate Center, Göttingen, Germany
          Article
          188472 Nephron 1995;69:286–292
          10.1159/000188472
          7753262
          © 1995 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

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