Cited by 116Neuroendocrine regulation and behaviorSexual Differentiation and DisordersHypothalamic control of reproductive hormones

Organizational effects of testosterone, estradiol, and dihydrotestosterone on vasopressin mRNA expression in the bed nucleus of the stria terminalis

Han, Tina M., De Vries, Geert J.·2003·Journal of Neurobiology

Abstract

In adulthood, male rats express higher levels of arginine vasopressin (AVP) mRNA in the bed nucleus of the stria terminalis (BST) than do female rats. We tested whether this sex difference is primarily due to differences in neonatal levels of testosterone. Male and female rats were gonadectomized on the day of birth and treated with testosterone propionate (TP) or vehicle on postnatal days 1, 3, and 5 (P1, P3, and P5). Three months later, all rats were implanted with testosterone‐filled capsules. Two weeks later, brains were processed for in situ hybridization to detect AVP mRNA. We found that neonatal TP treatment significantly increased the number of vasopressinergic cells in the BST over control injections. We then sought to determine the effects of testosterone metabolites, estradiol and dihydrotestosterone, given alone or in combination, on AVP expression in the BST. Rat pups were treated as described above, except that instead of testosterone, estradiol benzoate (EB), dihydrotestosterone propionate (DHTP), a combination of EB and DHTP (EB+DHTP), or vehicle was injected neonatally. Neonatal treatment with either EB or EB+DHTP increased the number of vasopressinergic cells in the BST over that of DHTP or oil treatment. However, treatment with DHTP also significantly increased the number of vasopressinergic cells over that of oil treatment. Hence, in addition to bolstering evidence that estradiol is the more potent metabolite of testosterone in causing sexual differentiation of the brain, these data provide the first example of a masculinizing effect of a nonaromatizable androgen on a sexually dimorphic neuropeptide system. © 2003 Wiley Periodicals, Inc. J Neurobiol 54: 502–510, 2003

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Crossref · 10.1002/neu.10157

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  • This sex difference in AVP expression is organized during early postnatal life by steroid hormone actions on ER and AR.

    “Moreover, this sex difference is organized during early postnatal life by steroid hormone actions on ER and AR.[24][25][26]”
  • Neonatal treatment with dihydrotestosterone, which binds to AR, contributes to male-like AVP mRNA expression in adult rat brain.

    “This is in agreement with data indicating that neonatal treatment with dihydrotestosterone, which binds to AR, contributes to male-like AVP mRNA expression in adult rat brain.24”
  • How estrogens and androgens contribute to the sexual differentiation and function of the AVP/OT system are sex and species dependent and associated with functional differences in prosociality.

    “How estrogens and androgens contribute to the sexual differentiation and function of the AVP/OT system are sex and species dependent and associated with functional differences in prosociality (121, 122).”

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Authors
Han, T. M., & De Vries, G. J.
Affiliations
University of Massachusetts Amherst (US)
Corresponding author
Han, Tina M.
Venue
Journal of Neurobiology
Publisher
Wiley
Published
2003-01-16
Volume
54
Issue
3
Pages
502-510
ISSN
  • 0022-3034 (ISSN-L)
  • 1097-4695
OpenAlex
W2057022979
Cited by
116
References
67
Citations by year
2025: 4 · 2024: 2 · 2022: 5 · 2021: 5 · 2020: 1 · 2019: 4 · 2018: 2 · 2017: 5 · 2016: 8 · 2015: 1 · 2014: 7 · 2013: 4 · 2012: 10
FWCI
9.94
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neurobiology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Mental Health (MH011686, MH047538)
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Sexual Differentiation and Disorders
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
Keywords
vasopressin, bed nucleus of the stria terminalis, testosterone, estradiol, dihydrotestosterone, neonatal androgen exposure, sex differences, sexual differentiation of the brain, masculinization, gonadectomy, neuropeptide systems
MeSH terms
Analysis of Variance, Androgens, Animals, Animals, Newborn, Castration, Estradiol, Female, Male, RNA, Messenger, Septal Nuclei, Sex Characteristics, Dihydrotestosterone, Testosterone, Vasopressins, Gene Expression, Rats, Sprague-Dawley, In Situ Hybridization, Rats

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