Cited by 80Hypothalamic control of reproductive hormonesNeuropeptides and Animal PhysiologyNeuroendocrine regulation and behavior

Physiological role of metastin/kisspeptin in regulating gonadotropin-releasing hormone (GnRH) secretion in female rats

Ohkura, Satoshi, Uenoyama, Yoshihisa, Yamada, Shunji, Homma, Tamami, Takase, Kenji, Inoue, Naoko, Maeda, Kei-ichiro, Tsukamura, Hiroko·2009·Peptides

Abstract

Various studies have attempted to unravel the physiological role of metastin/kisspeptin in the control of gonadotropin-releasing hormone (GnRH) release. A number of evidences suggested that the population of metastin/kisspeptin neurons in the anteroventral periventricular nucleus (AVPV) is involved in generating a GnRH surge to induce ovulation in rodents, and thus the target of estrogen positive feedback. Females have an obvious metastin/kisspeptin neuronal population in the AVPV, but males have only a few cell bodies in the nucleus, suggesting that the absence of the surge-generating mechanism or positive feedback action in males is due to the limited AVPV metastin/kisspeptin neuronal population. On the other hand, the arcuate nucleus (ARC) metastin/kisspeptin neuronal population is considered to be involved in the regulation of tonic GnRH release. The ARC metastin/kisspeptin neurons show no sex difference in their expression, which is suppressed by gonadal steroids in both sexes. Thus, the ARC population of metastin/kisspeptin neurons is a target of estrogen negative feedback action on tonic GnRH release. The lactating rat model provided further evidence indicating that ARC metastin/kisspeptin neurons are involved in GnRH pulse generation, because pulsatile release of luteinizing hormone (LH) is profoundly suppressed by suckling stimulus and the LH pulse suppression is well associated with the suppression of ARC metastin/kisspeptin and KiSS-1 gene expression in lactating rats.

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Crossref · 10.1016/j.peptides.2008.08.004

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Authors
Ohkura, S., Uenoyama, Y., Yamada, S., Homma, T., Takase, K., Inoue, N., Maeda, K.-I., & Tsukamura, H.
Affiliations
Nagoya University (JP)
Corresponding author
Tsukamura, Hiroko
Venue
Peptides
Publisher
Elsevier BV
Published
2009-01
Volume
30
Issue
1
Pages
49-56
ISSN
0196-9781 (ISSN-L)
OpenAlex
W1998983965
Cited by
80
References
59
Citations by year
2025: 3 · 2024: 3 · 2023: 3 · 2022: 1 · 2021: 3 · 2019: 3 · 2018: 5 · 2017: 3 · 2016: 8 · 2015: 2 · 2014: 5 · 2013: 13 · 2012: 7
FWCI
8.11
Type
journal article
Language
en
Open access
closed
Locations
  • Peptides (publishedVersion)
  • PubMed (publishedVersion)
Funders
Ministry of Education, Culture, Sports, Science and Technology
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
KISS1, gonadotropin-releasing hormone, GnRH secretion, anteroventral periventricular nucleus, arcuate nucleus, estrogen positive feedback, estrogen negative feedback, GnRH surge, ovulation, lactation, luteinizing hormone pulsatility, suckling stimulus, sex steroids, sex differences
MeSH terms
Receptors, Kisspeptin-1, Animals, Arcuate Nucleus of Hypothalamus, Estrogens, Female, Lactation, Luteinizing Hormone, Gonadotropin-Releasing Hormone, Male, Neurons, Proteins, Feedback, Physiological, Estrous Cycle, Receptors, G-Protein-Coupled, Rats, Kisspeptins

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