Cited by 24Hypothalamic control of reproductive hormonesRegulation of Appetite and ObesityEstrogen and related hormone effects

Vagus nerve mediates the increase in estrogen receptors in the hypothalamic paraventricular nucleus and nucleus of the solitary tract during fasting in ovariectomized rats

C. Estacio, Maria Amelita, Tsukamura, Hiroko, Yamada, Sakiko, Tsukahara, Shinji, Hirunagi, Kanjun, Maeda, Kei-ichiro·1996·Neuroscience Letters

Abstract

The effect of total subdiaphragmatic vagotomy on estrogen-receptor immunoreactivity (ERIR) in the paraventricular nucleus (PVN) and nucleus of the solitary tract (NTS) was examined in fasted ovariectomized rats to clarify the peripheral inputs mediating fasting-induced increase in ERIR in these two nuclei. Vagotomy abolished the effect of 48-h fasting on the expression of ER in these two areas. The result indicates that the neural signal(s) that increase the expression of ER in the PVN and A2 region of the NTS following 48-h fasting is transmitted through the vagus. The involvement of the vagus in the fasting-induced increase in ER in the PVN and A2 region may also be the same neural pathway involved in the suppression of pulsatile luteinizing hormone secretion in fasted female rats.

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Crossref · 10.1016/0304-3940(96)12534-9

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Authors
C. Estacio, M. A., Tsukamura, H., Yamada, S., Tsukahara, S., Hirunagi, K., & Maeda, K.-I.
Affiliations
Nagoya University (JP)
Corresponding author
Maeda, Kei-ichiro
Venue
Neuroscience Letters
Publisher
Elsevier BV
Published
1996-04
Volume
208
Issue
1
Pages
25-28
ISSN
0304-3940 (ISSN-L)
OpenAlex
W2030952683
Cited by
24
References
20
Citations by year
2022: 2 · 2021: 1 · 2020: 2
FWCI
2.19
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience Letters (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 › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
Keywords
vagus nerve, estrogen receptor, fasting, paraventricular nucleus, nucleus tractus solitarius, ovariectomy, vagotomy, luteinizing hormone secretion, hypothalamus
MeSH terms
Animals, Fasting, Female, Neural Pathways, Ovariectomy, Paraventricular Hypothalamic Nucleus, Receptors, Estrogen, Vagotomy, Vagus Nerve, Rats, Wistar, Solitary Nucleus, Rats

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