Testosterone Eliminates the Attenuating Effect of Castration on the Progressive Glomerular Injury in Hypercholesterolemic Male Imai Rats

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Abstract

Hypercholesterolemic Imai rats, especially males, spontaneously develop proteinuria and glomerulosclerosis. We have shown that castration attenuated the progression of glomerular injury in male Imai rats. The present study was designed to investigate whether the attenuating effect of castration on glomerulosclerosis is eliminated by administration of testosterone. Testosterone propionate (TP) eliminated the attenuating effect of castration on the progression of glomerular injury by significantly and dose dependently increasing proteinuria and enhancing glomerular sclerosis. TP at 1 mg failed to reverse glomerulosclerosis to the control levels, despite a dose of TP sufficient to restore urinary protein excretion, serom testosterone level and glomerular growth. The results indicated that besides testosterone other sex-related hormones may be involved in the development of glomerulosclerosis in male Imai rats.

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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: 67

Issue: 4

Pages: 469-476

Affiliations

Department of Internal Medicine, Saga Medical School, Saga, Japan

Article

Publisher ID: 188022 Other ID: Nephron 1994;67:469–476

DOI: 10.1159/000188022

PubMed ID: 7969682

SO-VID: 3f465233-1074-47dc-b537-bf1b3ab8fe65

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 : 03 January 1994

Page count

Pages: 8

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