Cited by 273Hypothalamic control of reproductive hormonesNeuropeptides and Animal PhysiologyNeuroendocrine regulation and behavior

An increase in kisspeptin-54 release occurs with the pubertal increase in luteinizing hormone-releasing hormone-1 release in the stalk-median eminence of female rhesus monkeys in vivo

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Keen, Kim L., Wegner, Frederick H., Bloom, Stephen R., Ghatei, Mohammad A., Terasawa, Ei·2008·Endocrinology

Abstract

The G-protein coupled receptor GPR54 and its ligand, KiSS-1-derived peptide kisspeptin-54, appear to play an important role in the mechanism of puberty. This study measures the release of kisspeptin-54 in the stalk-median eminence (S-ME) during puberty and examines its potential role in the pubertal increase in LHRH-1 release in female rhesus monkeys. First, developmental changes in release of kisspeptin-54 and LHRH-1 were assessed in push-pull perfusate samples obtained from the S-ME of prepubertal, early pubertal, and midpubertal female rhesus monkeys. Whereas LHRH-1 levels in 10-min intervals had been measured previously for other experiments, kisspeptin-54 levels in 40-min pooled samples were newly measured by RIA. The results indicate that a significant increase in kisspeptin-54 release occurred in association with the pubertal increase in LHRH-1 release and that a nocturnal increase in kisspeptin-54 release was already observed in prepubertal monkeys and continued through the pubertal period. Second, we measured kisspeptin-54 release in the S-ME of midpubertal monkeys at 10-min intervals using a microdialysis method. Kisspeptin-54 release in the S-ME was clearly pulsatile with an interpulse interval of about 60 min, and approximately 75% of kisspeptin-54 pulses were correlated with LHRH-1 pulses. Finally, the effect of kisspeptin-10 on LHRH-1 release was examined with the microdialysis method. Kisspeptin-10 infusion through a microdialysis probe significantly stimulated LHRH-1 release in a dose-dependent manner. Collectively, the results are consistent with the hypothesis that kisspeptin plays a role in puberty.

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Authors
Keen, K. L., Wegner, F. H., Bloom, S. R., Ghatei, M. A., & Terasawa, E.
Affiliations
  • University of Wisconsin–Madison (US)
  • Imperial College London (GB)
Corresponding author
Terasawa, Ei
Venue
Endocrinology
Published
2008-05-01
Volume
149
Issue
8
Pages
4151-4157
ISSN
  • 0013-7227 (ISSN-L)
  • 1945-7170
OpenAlex
W2019501332
Cited by
273
References
41
Citations by year
2026: 2 · 2025: 4 · 2024: 1 · 2023: 4 · 2022: 14 · 2021: 16 · 2020: 11 · 2019: 13 · 2018: 14 · 2017: 15 · 2016: 15 · 2015: 15 · 2014: 29 · 2013: 29 · 2012: 34
FWCI
21.30
Type
journal article
Language
en
Open access
Locations
  • Endocrinology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute for Health and Care Research (NF-SI-0507-10337)
  • Biotechnology and Biological Sciences Research Council (BB/E52708X/1)
  • National Center for Research Resources (RR020141, C06RR020141, RR15459, C06RR015459, P51RR000167)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01-HD-11355, R01HD015433, R01 HD15433, R01HD011355)
Topics
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
Keywords
kisspeptin-54, kisspeptin-10, gonadotropin-releasing hormone, puberty, stalk-median eminence, GPR54, pulsatile hormone secretion, rhesus monkeys, female reproduction
MeSH terms
Animals, Dose-Response Relationship, Drug, Female, Gonadotropin-Releasing Hormone, Macaca mulatta, Median Eminence, Oligopeptides, Pulsatile Flow, Sexual Maturation, Time Factors, Microdialysis, Tumor Suppressor Proteins, Kisspeptins

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