Dopaminergic Binding Sites in Human Pituitary Adenomas Other than Prolactinomas

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Abstract

Binding studies of [<sup>3</sup>H]-spiroperidol, a potent dopamine antagonist, were performed on dispersed cells obtained from 2 mixed PRL- and GH-secreting adenomas, 3 GH-secreting adenomas and 4 ‘nonsecreting’ pituitary tumors. Saturable, high affinity binding sites for [<sup>3</sup>H]-spiroperidol were identified in the two adenomas of mixed PRL and GH secretion, in 2 of 3 GH-secreting adenomas and in 2 of 4 ‘nonsecreting’ adenomas. These data indicate that dopaminergic binding sites are present in some GH-secreting adenomas in the absence of PRL hypersecretion and in some ‘nonsecreting’ pituitary adenomas.

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Author and article information

Journal

Journal ID (publisher-id): HRE

Journal ID (nlm-ta): Horm Res Paediatr

Journal ID (doi): 10.1159/issn.1663-2818

Title: Hormone Research in Paediatrics

Publisher: S. Karger AG

ISSN (Print): 1663-2818

ISSN (Electronic): 1663-2826

Publication date Subscription-year: 1984

Publication date (Print): 1984

Publication date (Electronic): 26 November 2008

Volume: 19

Issue: 2

Pages: 97-102

Affiliations

^aService of Endocrinology and Service of Neurosurgery, Notre-Dame Hospital and ^bNeuroendocrine Research Laboratory, Ste-Justine Hospital, University of Montreal, Montreal, Que., Canada

Article

Publisher ID: 179873 Other ID: Horm Res 1984;19:97–102

DOI: 10.1159/000179873

PubMed ID: 6706294

SO-VID: 6ee078e1-c34f-4041-afa9-e1aa70b754f5

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 received : 11 April 1983

Date accepted : 19 September 1983

Page count

Pages: 6

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