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Role of the adipocyte-derived hormone leptin in reproductive control

  • David Garcia-Galiano EMAIL logo , Susan J. Allen and Carol F. Elias
Published/Copyright: May 28, 2014

Abstract

Achievement of sexual maturation and maintenance of fertility in adulthood are functions that are sensitive to the metabolic status of the organism, particularly the magnitude of fat reserves. In this sense, the adipocyte-derived hormone, leptin, plays a major role in linking metabolic cues and the control of multiple neuroendocrine axes. The hypothalamus is a key site mediating leptin actions, including those involved in the modulation of the hypothalamus-pituitary-gonads (HPG) axis at different stages of development and in different environmental conditions. In the present review, we provide an update of the role of leptin in reproduction and discuss its interactions with neurons, neurotransmitters and downstream targets of the reproductive axis, with a special emphasis on the actions of leptin in the central nervous system. We hope this review will contribute to the understanding of the mechanisms whereby metabolic signals, especially leptin, influence the reproductive neuroendocrine axis modulating its activity in different nutritional states. Special attention will be given to recent advances in the identification of key hypothalamic sites and signaling pathways relevant to leptin’s action in reproductive control.


Corresponding author: David Garcia-Galiano, Department of Molecular and Integrative Physiology, University of Michigan, 7725 Med Sci II Building, 1137 E. Catherine St., Ann Arbor, MI 48109, USA, E-mail:

Acknowledgments

The authors are indebted to research members of the Elias team at the Department of Molecular and Integrative Physiology and the Reproductive Sciences Program of the University of Michigan, Ann Arbor-MI who participated in discussions about the data in the present review. The Elias lab is supported by the NIH grants HD061539 and HD069702. The authors declare no potential conflicts of interest with respect to the authorship and/or publication of this article.

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Received: 2014-4-14
Accepted: 2014-4-29
Published Online: 2014-5-28
Published in Print: 2014-9-1

©2014 by De Gruyter

Articles in the same Issue

  1. Frontmatter
  2. Topic 3: Reproduction, Obesity and Food Intake: Role of Leptin, Sex Hormones and Neuroendocrine Control
  3. Review Articles
  4. Role of the adipocyte-derived hormone leptin in reproductive control
  5. Race differences in obesity and its relationship to the sex hormone milieu
  6. Neuroendocrine control of satiation
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