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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Journal

Journal ID (publisher-id): NEF

Journal ID (nlm-ta): Nephron

Journal ID (doi): 10.1159/issn.1660-8151

Title: Nephron

Publisher: S. Karger AG

ISSN (Print): 1660-8151

ISSN (Electronic): 2235-3186

Publication date Subscription-year: 1994

Publication date (Print): 1994

Publication date (Electronic): 17 December 2008

Volume: 68

Issue: 1

Pages: 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

Publisher ID: 188227 Other ID: Nephron 1994;68:104–111

DOI: 10.1159/000188227

PubMed ID: 7991019

SO-VID: c3fcad89-13cc-4336-8673-64078979aab0

License:

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.

History

Date accepted : 31 January 1994

Page count

Pages: 8

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