Increased Vasopressin Secretion and Release in Mice Transgenic for the Rat Arginine Vasopressin Gene

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Abstract

The rat arginine vasopressin (AVP) genomic sequence has been utilized to develop a line of transgenic mice homozygous and heterozygous for the transgene. Expression of the rat AVP gene was demonstrated by Southern blotting and resulted in increased amounts of AVP in hypothalamus and frontotemporal brain cortex. Secretion of AVP from the neurohypophysial system results in an increased concentration of the hormone in the plasma and in an increased excretion in the urine in amounts three to five times those of normal mice. Extraneural ectopic hormone production was found only in the pancreas. Despite chronic hypersecretion of AVP, 24-hour urine volume and osmolality did not show evidence of increased antidiuretic hormone action on the kidney, so that, under basal conditions, the water balance in the animals is unaffected.

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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: 1993

Publication date (Print): 1993

Publication date (Electronic): 08 April 2008

Volume: 57

Issue: 4

Pages: 621-625

Affiliations

Department of Geriatrics and Adult Development, Mount Sinai Medical Center, New York, N.Y., USA

Article

Publisher ID: 126416 Other ID: Neuroendocrinology 1993;57:621–625

DOI: 10.1159/000126416

PubMed ID: 8367028

SO-VID: 4aa7a03a-b10e-438e-8b43-dcf0e21537b5

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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 : 12 May 1992

Date accepted : 09 October 1992

Page count

Pages: 5

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