Antiserum to LH-RH Blocks Haloperidol-Induced Hyperprolactinemia in Female Rats

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Abstract

We investigated the effect of blocking endogenous LH-RH, by injection of anti-LH-RH sera, on serum prolactin levels previously elevated by treatment with haloperidol for 5 days. An acute intravenous injection of rabbit anti-LH-RH serum significantly reduced serum LH levels and blocked the hyperprolactinemia induced by haloperidol. In another group of rats, sheep anti-LH-RH serum induced a significant decrease of serum LH and also lowered serum prolactin levels previously elevated by haloperidol. In ovariectomized rats, sheep anti-LH-RH serum markedly reduced serum LH levels and also decreased serum prolactin elevated by the pretreatment with haloperidol. It is concluded that the blocking of endogenous LH-RH action results in a decreased release of prolactin in response to stimuli like haloperidol. These results support the possible existence of a paracrine interaction between the pituitary gonadotrophs and lactotrophs.

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Author and article information

Journal

Journal ID (publisher-id): NEN

Journal ID (nlm-ta): Neuroendocrinology

Journal ID (doi): 10.1159/issn.0028-3835

Title: Neuroendocrinology

Publisher: S. Karger AG

ISSN (Print): 0028-3835

ISSN (Electronic): 1423-0194

Publication date Subscription-year: 1985

Publication date (Print): 1985

Publication date (Electronic): 28 March 2008

Volume: 40

Issue: 2

Pages: 185-187

Affiliations

Veterans Administration Medical Center and Department of Medicine, Tulane University School of Medicine, New Orleans, La., USA

Article

Publisher ID: 124071 Other ID: Neuroendocrinology 1985;40:185–187

DOI: 10.1159/000124071

PubMed ID: 3883215

SO-VID: 64cad167-9ed9-4a1e-8bfe-b5629d3f976f

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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 : 24 October 1984

Date accepted : 14 November 1984

Page count

Pages: 3

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