Cited by 779Hypothalamic control of reproductive hormonesNeuropeptides and Animal PhysiologyNeuroendocrine regulation and behavior

Regulation of gonadotropin-releasing hormone secretion by kisspeptin/dynorphin/neurokinin B neurons in the arcuate nucleus of the mouse

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Navarro, Victor M., Gottsch, Michelle L., Chavkin, Charles, Okamura, Hiroaki, Clifton, Donald K., Steiner, Robert A.·2009·The Journal of Neuroscience

Abstract

Kisspeptin is encoded by the Kiss1 gene, and kisspeptin signaling plays a critical role in reproduction. In rodents, kisspeptin neurons in the arcuate nucleus (Arc) provide tonic drive to gonadotropin-releasing hormone (GnRH) neurons, which in turn supports basal luteinizing hormone (LH) secretion. Our objectives were to determine whether preprodynorphin (Dyn) and neurokinin B (NKB) are coexpressed in Kiss1 neurons in the mouse and to evaluate its physiological significance. Using in situ hybridization, we found that Kiss1 neurons in the Arc of female mice not only express the Dyn and NKB genes but also the NKB receptor gene (NK3) and the Dyn receptor [the kappa opioid receptor (KOR)] gene. We also found that expression of the Dyn, NKB, KOR, and NK3 in the Arc are inhibited by estradiol, as has been established for Kiss1, and confirmed that Dyn and NKB inhibit LH secretion. Moreover, using Dyn and KOR knock-out mice, we found that long-term disruption of Dyn/KOR signaling compromises the rise of LH after ovariectomy. We propose a model whereby NKB and dynorphin act autosynaptically on kisspeptin neurons in the Arc to synchronize and shape the pulsatile secretion of kisspeptin and drive the release of GnRH from fibers in the median eminence.

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Crossref · 10.1523/jneurosci.1569-09.2009

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Authors
Navarro, V. M., Gottsch, M. L., Chavkin, C., Okamura, H., Clifton, D. K., & Steiner, R. A.
Affiliations
  • University of Washington (US)
  • Institute of Agrobiological Sciences (JP)
Venue
The Journal of Neuroscience
Published
2009-09-23
Volume
29
Issue
38
Pages
11859-11866
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2030585597
Cited by
779
References
47
Citations by year
2026: 16 · 2025: 41 · 2024: 47 · 2023: 35 · 2022: 48 · 2021: 53 · 2020: 42 · 2019: 53 · 2018: 56 · 2017: 43 · 2016: 35 · 2015: 45 · 2014: 65 · 2013: 53 · 2012: 54
FWCI
56.80
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • U.S. Department of State
  • University of Washington
  • European Commission
  • Ministerio de Economía y Competitividad
  • National Institutes of Health (5u54hd012629-31)
  • National Institute on Drug Abuse (K05DA020570, R01DA016898, KO5-DA020570)
  • National Institute of Child Health and Human Development
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD049651, U54-HD-12629, U54HD-012629, R01HD027142)
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, dynorphin, neurokinin B, arcuate nucleus, gonadotropin-releasing hormone, luteinizing hormone secretion, kisspeptin neurons, kappa opioid receptor, NK3 receptor, estradiol regulation, ovariectomy, pulsatile hormone secretion, median eminence
MeSH terms
Animals, Arcuate Nucleus of Hypothalamus, Dynorphins, Estradiol, Female, Luteinizing Hormone, Gonadotropin-Releasing Hormone, Mice, Inbred C57BL, Models, Neurological, Neurons, Ovariectomy, Protein Precursors, Receptors, Opioid, RNA, Messenger, Neurokinin B, Signal Transduction, In Situ Hybridization, Receptors, Neurokinin-3, Mice, Knockout, Tumor Suppressor Proteins, Mice, Kisspeptins

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