Cited by 1,116Hypothalamic control of reproductive hormonesNeurogenesis and neuroplasticity mechanismsOlfactory and Sensory Function Studies

Origin of luteinizing hormone-releasing hormone neurons

Schwanzel-Fukuda, Marlene, Pfaff, Donald W.·1989·Nature

Abstract

Neurons expressing luteinizing hormone-releasing hormone (LHRH), found in the septal-preoptic nuclei and hypothalamus, control the release of gonadotropic hormones from the anterior pituitary gland and facilitate reproductive behaviour. LHRH-expressing neurons are also found in the nervus terminalis, a cranial nerve that is a part of the accessory olfactory system and which projects directly from the nose to the septal-preoptic nuclei in the brain. During development, LHRH-immunoreactivity is detected in the peripheral parts of the nervus terminalis before it is found in the brain. Using a combination of LHRH immunocytochemistry and tritiated thymidine autoradiography in fetal mice, we show that LHRH neurons originate in the medial olfactory placode of the developing nose, migrate across the nasal septum and enter the forebrain with the nervus terminalis, arching into the septal-preoptic area and hypothalamus. Clinically, this migratory route for LHRH-expressing neurons could explain the deficiency of gonadotropins seen in 'Kallmann's syndrome' (hypogonadotropic hypogonadism with anosmia).

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Crossref · 10.1038/338161a0

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  • GnRH neurons arise in the nasal placode and migrate into the brain along the vomeronasal nerve to their adult location in the hypothalamus.

    “GnRH neurons have a very curious lifespan, arising in the nasal placode in early development and then migrating into the brain along the vomeronasal nerve to eventually take up their adult location in the hypothalamus (Schwanzel-Fukuda & Pfaff, 1989; Tobet & Schwarting, 2006; Wray, Nieburgs, & Elkabes, 1989).”
  • The nervus terminalis appears to be the pathway for migration of LHRH (GnRH) neurons into the brain from the olfactory/vomeronasal epithelium early in development, in humans as in other species.

    “The nerve appears to be the pathway for migration of LHRH (GnRH) neurons into the brain from the olfactory/vomeronasal epithelium early in development, in humans as in other species (Schwanzel-Fukuda and Pfaff, 1989;Ronkliev and Resko, 1990;Boehm et al., 1994).”

    From Human Vomeronasal Organ Function: A Critical Review of Best and Worst Cases (2001) · cites this paper as Schwanzel-Fukuda and Pfaff, 1989

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Authors
Schwanzel-Fukuda, M., & Pfaff, D. W.
Affiliations
Rockefeller University (US)
Venue
Nature
Published
1989-03
Volume
338
Issue
6211
Pages
161-164
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2029618197
Cited by
1,116
References
1
Citations by year
2026: 9 · 2025: 11 · 2024: 22 · 2023: 34 · 2022: 24 · 2021: 35 · 2020: 25 · 2019: 18 · 2018: 32 · 2017: 25 · 2016: 23 · 2015: 35 · 2014: 31 · 2013: 31 · 2012: 24
FWCI
44.06
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Sensory Systems › Olfactory and Sensory Function Studies
Keywords
gonadotropin-releasing hormone, GnRH neurons, neuronal origin, terminal nerve, hypothalamus, neuronal migration, gonadotropin deficiency, Kallmann syndrome, anosmia, reproductive behavior, fetal development, mice
MeSH terms
Animals, Autoradiography, Brain Chemistry, Immunoenzyme Techniques, Gonadotropin-Releasing Hormone, Neural Pathways, Neurons, Olfactory Bulb, Mice

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