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      Arterial Glycosaminoglycans in Diabetic Dogs

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          Abstract

          The glycosaminoglycan (GAG) composition of a number of large and medium-sized arteries was studied in 6 alloxan-diabetic beagles and was compared with 6 normal, age-matched controls. Diabetic animals were maintained on diet and insulin for 100 days. The aortic arch, thoracic and abdominal segments, external iliac, superior mesenteric, renal, common carotid and coronary arteries were analyzed for hyaluronic acid (HA) and for heparan (HS), dermatan (DS), and chondroitin (CS) sulphates. All diabetic dogs displayed significant alterations. The HA content was reduced in iliac arteries, and together with HS, also in the thoracic aorta. HS or CS were increased in carotid, iliac and renal arteries, DS, a GAG constituent with very high affinity for low density lipoproteins, was significantly increased in coronary arteries alone. 2 additional animals which are excluded from this series did not become diabetic after alloxanization and showed no change in arterial GAG content. Early changes in the chemistry of the arterial ground substance seem to provide a clue to the precocious development of atherosclerotic disease in diabetes.

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          Author and article information

          Journal
          JVR
          J Vasc Res
          10.1159/issn.1018-1172
          Journal of Vascular Research
          S. Karger AG
          1018-1172
          1423-0135
          1980
          1980
          19 September 2008
          : 17
          : 5
          : 271-275
          Affiliations
          Department of Physiology and Division of Teaching Laboratories, Faculty of Medicine, University of Toronto, Toronto, Ont.
          Article
          158256 Blood Vessels 1980;17:271–275
          10.1159/000158256
          © 1980 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: 5
          Categories
          Research Paper

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