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      Hypothalamic Catecholamine Levels in Dogs with Spontaneous Hyperadrenocorticism

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          Abstract

          Hypothalamic norepinephrine (NE) and dopamine content was studied in dogs with spontaneous and iatrogenic hypercortisolism and in untreated normal dogs. The concentration of NE in the hypothalamus was subnormal in 4 of 8 dogs with pituitary-dependent hyperadrenocorticism (PDH), whereas long-term administration of corticotropin or cortisone acetate did not result in low hypothalamic NE content. In dogs with hyperadrenocorticism due to adrenocortical tumor subnormal as well as normal and high hypothalamic NE levels were found. Hypothalamic as well as striatal dopamine content did not differ among groups of dogs with PDH, adrenocortical tumor, corticotropin treatment, cortisone treatment and in untreated normal dogs. The subnormal hypothalamic NE levels in dogs with PDH may be involved in the hypersecretion of ACTH found in this disease. The normal hypothalamic dopamine levels in dogs with PDH are not consistent with a dopaminergic depletion as the cause of PDH.

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          Author and article information

          Journal
          NEN
          Neuroendocrinology
          10.1159/issn.0028-3835
          Neuroendocrinology
          S. Karger AG
          0028-3835
          1423-0194
          1981
          1981
          26 March 2008
          : 32
          : 4
          : 197-201
          Affiliations
          Small Animal Clinic, Veterinary Faculty; Department of Clinical Endocrinology a, Medical Faculty, and Rudolf Magnus Institute for Pharmacology b, Medical Faculty, University of Utrecht, Utrecht, The Netherlands
          Article
          123158 Neuroendocrinology 1981;32:197–201
          10.1159/000123158
          6261180
          6dd4c380-a0ff-4661-a026-bbf5e7634ece
          © 1981 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.

          History
          : 11 October 1979
          : 28 September 1980
          Page count
          Pages: 5
          Categories
          Original Paper

          Endocrinology & Diabetes,Neurology,Nutrition & Dietetics,Sexual medicine,Internal medicine,Pharmacology & Pharmaceutical medicine
          Hyperadrenocorticism,Biogenic amine levels,Hypothalamus

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