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      Vasodilator Agents Modulate Rat Glomerular Mesangial Cell Growth and Collagen Synthesis

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          Abstract

          Mesangial cell activation and extracellular matrix accumulation are hallmarks of many forms of glomerulonephropathy. We investigated the effect of several agents possessing vasodilating activities on rat mesangial cell growth and collagen synthesis. Using cell counting and a modified MTT assay, it was shown that dipyridamole, pentoxifylline, dicentrine, prazosin and doxazosin all caused a dose-dependent inhibition of serum-stimulated rat mesangial cell proliferation. Platelet-derived growth factor-induced cell proliferation was also inhibited by doxazosin and pentoxifylline. Dipyridamole and pentoxifylline inhibited collagen synthesis in confluent mesangial cells while dicentrine and doxazosin did not. The procollagen α1 (I) mRNA expression was also decreased by dipyridamole and pentoxifylline. These results suggested that, in addition to dipyridamole, pentoxifylline and α1-adrenoceptor blockers may have a potential to delay the progression of chronic glomerulopathy associated with mesangial proliferation.

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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
          18 December 2008
          : 70
          : 1
          : 91-99
          Affiliations
          aDepartment of Internal Medicine, bGraduate Institute of Immunology, Departments of cDermatology, dPhysiology and ePharmacology, College of Medicine, National Taiwan University, Taipei, Taiwan, ROC
          Article
          188550 Nephron 1995;70:91–99
          10.1159/000188550
          7617123
          © 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: 9
          Categories
          Original Paper

          Cardiovascular Medicine, Nephrology

          Mesangial cell, Vasodilator, Collagen

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