Blood-Collecting Methodology Does Not Affect the Maturational Pattern of Serum Hormone Concentrations (Testosterone, LH, FSH and Prolactin) in the Male Rat

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Abstract

Serum hormone levels of blood collected within 1 min by cardiac puncture following ether anesthesia were compared to those of blood collected by decapitation in male rats 30, 60, and 90 days of age. Neither testosterone (T) nor LH was affected by the method of blood collection. Serum FSH was significantly elevated in blood collected by cardiac puncture, and 30-day old rats were the most sensitive to this effect. Serum prolactin (Prl) was significantly elevated in all age groups when blood was collected by cardiac puncture. Both blood-collecting methods demonstrated that, in the 3 ages tested, serum T increased with age, LH and FSH decreased with age, and Prl did not change with age, indicating that blood collection by cardiac puncture is as valid a method as is decapitation for assessing serum hormone levels during maturation.

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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: 1978

Publication date (Print): 1978

Publication date (Electronic): 26 March 2008

Volume: 26

Issue: 4

Pages: 202-207

Affiliations

Department of Biological Sciences, State University of New York, Binghamton, N.Y.

Article

Publisher ID: 122827 Other ID: Neuroendocrinology 1978;26:202–207

DOI: 10.1159/000122827

PubMed ID: 687389

SO-VID: e31cfdc5-74c2-40bc-9b67-2d767519cc5e

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 : 21 September 1977

Date accepted : 13 January 1978

Page count

Pages: 6

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