Cited by 27Neuroendocrine regulation and behaviorNeuropeptides and Animal PhysiologyHypothalamic control of reproductive hormones

Mild sustained effects of neonatal vasopressin and oxytocin treatment on brain growth and behavior of the rat

Boer, Gerard J., Quak, Jacqueline, de Vries, Myrtille C., Heinsbroek, Rob P.W.·1994·Peptides

Abstract

The lasting effects of a 9-day neonatal exposure to vasopressin and oxytocin were examined in the rat to discover if peptide administration results in organizational effects. When tested in young adulthood, brain growth, not body growth, appeared to be impaired. Basal and challenge tests of urine production, carried out to see the development of the hormonal antidiuretic function of vasopressin, revealed no lasting changes, and therefore did not confirm earlier findings of an induced mild polyurea. Behavioral testing of learning by making use of a one-trail step-through paradigm with a 24-h retention trial--a test that is sensitive to vasopressin--did not show impairments. Open field tests, however, showed enhanced emotionality in the vasopressin-treated females, as well as an initially increased ambulation in the males, and increased grooming in both sexes, the latter also having been reported to be induced by vasopressin administration in the septal areas. Oxytocin treatment did not produce lasting changes. Our conclusion, therefore, is that peripherally circulating vasopressin can affect the organizational development of the rat brain. It remains to be established whether this is an effect obtained through changes in the general peripheral physiology or a reflection of plasticity phenomena at the level of central vasopressin neurotransmission.

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Crossref · 10.1016/0196-9781(94)90007-8

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51 of 51 references verified0 citation errors · 0 not checkable

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  • Boer and colleagues failed to replicate the finding that neonatal oxytocin increases novelty-induced grooming in an open-field test.

    “However, when a study by Boer and colleagues failed to replicate the aforementioned findings in an open-field test (12), investigations into the organizational effects of Oxt largely fell by the wayside.”

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Authors
Boer, G. J., Quak, J., de Vries, M. C., & Heinsbroek, R. P. W.
Corresponding author
Boer, Gerard J.
Venue
Peptides
Publisher
Elsevier BV
Published
1994-01
Volume
15
Issue
2
Pages
229-236
ISSN
0196-9781 (ISSN-L)
OpenAlex
W1994485067
Cited by
27
References
51
Citations by year
2026: 1 · 2025: 1 · 2017: 2 · 2016: 2 · 2015: 2 · 2014: 3 · 2013: 1
FWCI
1.96
Type
journal article
Language
en
Open access
closed
Locations
  • Peptides (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
Keywords
brain growth, brain development, organizational effects, polyuria, learning, emotionality, grooming, ambulation, sex differences
MeSH terms
Animals, Animals, Newborn, Behavior, Animal, Body Weight, Brain, Eye, Female, Learning, Male, Oxytocin, Retention, Psychology, Sex Characteristics, Urine, Vasopressins, Rats, Wistar, Rats

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