Cited by 132Hypothalamic control of reproductive hormonesRegulation of Appetite and ObesityNeuropeptides and Animal Physiology

KiSS-1 and Reproduction: Focus on Its Role in the Metabolic Regulation of Fertility

Tena-Sempere, Manuel·2006·Neuroendocrinology

Abstract

Unraveling of the master role of kisspeptins, the products of the KiSS-1 gene, and their receptor, GPR54, in the control of reproduction has been a major breakthrough in contemporary neuroendocrinology. Indeed, since the disclosure of their reproductive dimension in late 2003, an ever-growing number of genetic, molecular, physiologic and pharmacological studies have defined the crucial role of KiSS-1 neurons as central processors for the dynamic regulation of the gonadotropic axis and its full activation at puberty. Yet, the potential role of the hypothalamic KiSS-1 system as an intermediary factor for the well-known interplay between energy status and reproduction initially received little attention. Recent data, however, strongly suggest a prominent role of KiSS-1 in the metabolic control of fertility, as expression of KiSS-1 gene at the hypothalamus is down-regulated in conditions of negative energy balance and kisspeptin administration is capable of overcoming the hypogonadotropic state observed in undernutrition and disturbed metabolic conditions. Leptin, the adipocyte hormone signaling the size of body energy stores, is likely to play a pivotal role in the metabolic control of the KiSS-1 system, since kisspeptin neurons express leptin receptors and leptin is able to normalize defective KiSS-1 gene expression in models of impaired gonadotropin secretion linked to hypoleptinemia, such as the ob/ob mouse and streptozotocin-induced diabetic rat. In sum, these data provide strong evidence for a central role of kisspeptins and GPR54 as molecular conduits for the metabolic regulation of reproductive function – a phenomenon with potential physiopathologic and therapeutic implications.

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Crossref · 10.1159/000095549

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Authors
Tena-Sempere, M.
Venue
Neuroendocrinology
Publisher
S. Karger AG
Published
2006
Volume
83
Issue
5-6
Pages
275-281
ISSN
  • 0028-3835 (ISSN-L)
  • 1423-0194
OpenAlex
W2113860075
Cited by
132
References
35
Citations by year
2025: 2 · 2024: 1 · 2023: 3 · 2022: 5 · 2021: 9 · 2020: 3 · 2019: 4 · 2018: 6 · 2017: 5 · 2016: 1 · 2015: 1 · 2014: 4 · 2013: 13 · 2012: 10
FWCI
2.28
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroendocrinology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
kisspeptin, KISS1, GPR54, kisspeptin neurons, hypothalamus, energy balance, leptin, leptin receptor, hypogonadotropic hypogonadism, malnutrition, gonadotropin secretion, puberty, ob/ob mice, streptozotocin-induced diabetes, fertility control
MeSH terms
Receptors, Kisspeptin-1, Animals, Energy Metabolism, Fertility, Humans, Hypothalamus, Neurosecretory Systems, Reproduction, Sexual Maturation, Signal Transduction, Leptin, Tumor Suppressor Proteins, Receptors, G-Protein-Coupled, Kisspeptins

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