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      Cytopathological Changes Induced by Cadmium-Exposure in Canine Proximal Tubular Cells: A Cytochemical and Ultrastructural Study

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          Abstract

          A highly sensitive cytochemical method for demonstrating intracellular Cd using 8-hydroxyquinoline was developed and applied in the cytopathoiogicai study of primary-cultured renal tubular cells from beagle kidneys. The Cd-8-hydroxyquinoline emitted a yellowish-green fluorescence which first appeared in the cytoplasm within 30 min and in the nucleus about 60-90 min after exposure to 100 m M CdCl<sub>2</sub>. It was noteworthy that intranuclear Cd was stained in the nucleolar regions. The sensitivity of the cytochemical method for Cd was estimated to be about 1.0 pg Cd/cell. Ultrastructural features of the dead cells were consistent with those of apoptosis. We conclude that Cd absorbed by proximal tubular cells rapidly reaches to the nuclei and affects nuclear as well as cytoplasmic metabolism.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1994
          1994
          17 December 2008
          : 68
          : 1
          : 104-111
          Affiliations
          Departments of aSurgical Pathology and bPathology and Cellular Biology, School of Medicine, and cDivision of Pathology and Histopathology, School of Nursing and Medical Technology, University of Occupational and Environmental Health, Kitakyushu, Japan
          Article
          188227 Nephron 1994;68:104–111
          10.1159/000188227
          7991019
          © 1994 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

          Apoptosis, Cytochemistry, Proximal tubules, Cytopathology, Cadmium

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