Cited by 129Neuroendocrine regulation and behaviorHypothalamic control of reproductive hormonesNeuropeptides and Animal Physiology

Sex differences in hormonal responses of vasopressin pathways in the rat brain

De Vries, Geert J., Al‐Shamma, Hussien Ali·1990·Journal of Neurobiology

Abstract

Vasopressin (AVP) immunoreactivity in cells and projections of the bed nucleus of the stria terminalis (BST) and medial amygdaloid nucleus (MA) depends on gonadal steroids. In addition, the AVP projections from the BST show denser fiber staining in males than in females. To study whether these differences depend on different hormone levels in adulthood, male and female rats were gonadectomized and similarly treated with testosterone for 4 weeks prior to sacrifice. Immunocytochemistry showed that males had significantly more AVP-immunoreactive (AVP-IR) cells in the BST and significantly denser AVP-IR projections from this nucleus to the lateral septum, lateral habenular nucleus, and periaqueductal central gray than did females. The number of AVP-IR cells in the MA nucleus was not statistically different, but denser AVP-IR fiber networks were found in the MA and ventral hippocampus, which receives its input from the MA. No differences were found in the anteroventral portion of the periventricular nucleus and the dorsomedial nucleus of the hypothalamus that receive their AVP innervation from the suprachiasmatic nucleus. These results indicate that the sex difference in the steroid-sensitive AVP pathways depends on other factors besides circulating hormone levels in adulthood.

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Crossref · 10.1002/neu.480210503

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Authors
De Vries, G. J., & Al‐Shamma, H. A.
Affiliations
University of Massachusetts Amherst (US)
Venue
Journal of Neurobiology
Publisher
Wiley
Published
1990-07
Volume
21
Issue
5
Pages
686-693
ISSN
  • 0022-3034 (ISSN-L)
  • 1097-4695
OpenAlex
W2119627796
Cited by
129
References
7
Citations by year
2026: 3 · 2025: 5 · 2022: 2 · 2021: 4 · 2020: 1 · 2019: 2 · 2018: 1 · 2017: 5 · 2016: 3 · 2015: 2 · 2014: 4 · 2013: 5 · 2012: 2
FWCI
11.89
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neurobiology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (2s07rr007048-26)
  • National Center for Research Resources (RR07048-22)
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
vasopressin, sex differences, sex steroids, bed nucleus of the stria terminalis, medial amygdala, gonadectomy, testosterone, hypothalamic-pituitary-gonadal axis, lateral septum, lateral habenula, periaqueductal gray, ventral hippocampus, suprachiasmatic nucleus
MeSH terms
Animals, Arginine Vasopressin, Brain, Female, Image Processing, Computer-Assisted, Immunohistochemistry, Male, Nerve Fibers, Rats, Inbred Strains, Sex Characteristics, Gonadal Steroid Hormones, Tissue Distribution, Rats

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