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Table of Contents
Vol. 86, No. 3, 2007
Issue release date: November 2007
Section title: Paper
Neuroendocrinology 2007;86:229–241
(DOI:10.1159/000108410)

Roles of Ghrelin and Leptin in the Control of Reproductive Function

Tena-Sempere M.
Physiology Section, Department of Cell Biology, Physiology and Immunology, University of Córdoba, Córdoba, Spain

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Article / Publication Details

First-Page Preview
Abstract of Paper

Published online: September 12, 2007
Issue release date: November 2007

Number of Print Pages: 13
Number of Figures: 1
Number of Tables: 1

ISSN: 0028-3835 (Print)
eISSN: 1423-0194 (Online)

For additional information: http://www.karger.com/NEN

Abstract

Reproductive function in mammals, defined as the capacity to generate viable male and female gametes, and to support pregnancy and lactation selectively in the female, is sensitive to the metabolic state of the organism. This contention, long assumed on the basis of intuitive knowledge, became formulated on a scientific basis only recently, with the identification of a number of neuroendocrine signals which crucially participate in the joint control of energy balance and reproduction. A paradigmatic example in this context is the adipocyte-derived hormone, leptin; a satiety factor which signals the amount of body energy (fat) stores not only to the circuits controlling food intake but also to a number of neuroendocrine axes, including the reproductive system. More recently, the reproductive dimension of another metabolic hormone, namely the orexigenic stomach-secreted peptide, ghrelin, has been disclosed by observations on its putative roles in the control of gonadal function and gonadotropin secretion. Of note, leptin and ghrelin have been proposed to act as reciprocal regulators of energy homeostasis. However, their potential interplay in the control of reproduction remains largely unexplored. Based on the comparison of the biological actions of leptin and ghrelin at different levels of the hypothalamic-pituitary-gonadal axis, reviewed in detail herein, we propose that, through concurrent or antagonistic actions, the leptin-ghrelin pair is likely to operate also as modulator of different reproductive functions, thereby contributing to the physiological integration of reproduction and energy balance.

© 2007 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Paper

Published online: September 12, 2007
Issue release date: November 2007

Number of Print Pages: 13
Number of Figures: 1
Number of Tables: 1

ISSN: 0028-3835 (Print)
eISSN: 1423-0194 (Online)

For additional information: http://www.karger.com/NEN


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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 or, in the case of photocopying, direct payment of a specified fee to the Copyright Clearance Center.
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.
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