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      A Histochemical Evaluation of Metabolism in the Coronary Vasculature of the Primate

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          Abstract

          Coronary arteries and arterioles in the left ventricle from the primate Macaca fascicularis were histochemically examined to evaluate their metabolic profiles. Succinate dehydrogenase and cytochrome oxidase activities were assessed to evaluate aerobic metabolic capacity, while myosin ATPase activity was determined as an index of ATP utilization for contraction. Anaerobic capacity was evaluated from lactate dehydrogenase and glycogen reactivity. Glucose-6-phosphate dehydrogenase was examined to determine capacity of the hexose-monophosphate-shunt, while the amounts of deoxyribonucleic and ribonucleic acids were assessed as possible indicators of protein synthesis. Succinate dehydrogenase and cytochrome oxidase demonstrated slight reactivity in both coronary arteries and arterioles indicating a low capacity for aerobic metabolism. Myosin ATPase showed strong activity in arteries and even stronger reactivity in arterioles, suggesting that arteriolar smooth muscle is more capable of utilizing ATP. Glucose-6-phosphate dehydrogenase activity was extremely low in both arteries and arterioles, while deoxyribonucleic and ribonucleic acids demonstrated only slight to moderate reactivity in both arteries and arterioles, indicating that under normal conditions the coronary vasculature appears quite stable with little cell proliferation.

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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
          1982
          1982
          19 September 2008
          : 19
          : 4
          : 186-196
          Affiliations
          Departments of aAnatomy and bMedical Physiology, College of Medicine, Texas A & M University, College Station, Tex., and Department of cPhysiology, Texas College of Osteopathic Medicine, Fort Worth, Tex. (USA)
          Article
          158384 Blood Vessels 1982;19:186–196
          10.1159/000158384
          © 1982 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: 11
          Categories
          Research Paper

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