Cited by 345Neuroendocrine regulation and behaviorStress Responses and CortisolNeuropeptides and Animal Physiology

The DOI matches its Crossref record; 72 of the 72 references it cites were found in a registry or an index.

Dissociated central and peripheral release of vasopressin, but not oxytocin, in response to repeated swim stress: New insights into the secretory capacities of peptidergic neurons

Wotjak, C.T., Ganster, J., Kohl, G., Holsboer, F., Landgraf, R., Engelmann, M.·1998·Neuroscience

Abstract

To investigate the effects of an ethologically-relevant stressor on central and peripheral release of arginine vasopressin and oxytocin, we forced adult male Wistar rats to swim for 10 min and simultaneously measured the release of the two peptides (i) within the hypothalamic supraoptic and paraventricular nuclei (by means of the microdialysis technique) and (ii) into the blood (by chronically-implanted jugular venous catheters). Forced swimming caused a significant rise in the release of arginine vasopressin and oxytocin within both the supraoptic nuclei (four-fold and three-fold, respectively) and the paraventricular nuclei (three-fold and four- to five-fold, respectively). Release patterns measured before, during and after repeated stress exposure on three consecutive days indicated that, at the level of the hypothalamus, the two neuropeptides are critically involved in the rats' stress response in a peptide-, locus- and stress-specific manner. Particularly, despite a general reduction of the recovery of the microdialysis probes over the time, the release of arginine vasopressin within the paraventricular nuclei and of oxytocin within the supraoptic nuclei tended to increase upon repeated stress exposure. Measurement of plasma peptide concentrations revealed that the central release of oxytocin was accompanied by a secretion of this peptide into the systemic circulation. In contrast, arginine vasopressin, assayed in the same plasma samples, failed to respond to the stressor. The latter finding is consistent with a dissociated release of the neuropeptide from different parts of a single neuron (soma/dendrites vs axon terminals). It provides evidence that under physiological conditions plasma hormone levels do not necessarily reflect the secretory activity of central components of the respective neuropeptidergic system.

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Crossref · 10.1016/s0306-4522(97)00683-0

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Research works printed but not linked: 1

  1. Hermes, 1996, Inhibitory action of vasopressin on neurons of the rat hypothalamic paraventricular nucleus, Soc. Neurosci. Abstr., 22, 807.16

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Metadata

Authors
Wotjak, C. T., Ganster, J., Kohl, G., Holsboer, F., Landgraf, R., & Engelmann, M.
Affiliations
  • Max Planck Society (DE)
  • Max Planck Institute of Psychiatry (DE)
Corresponding author
Engelmann, M.
Venue
Neuroscience
Publisher
Elsevier BV
Published
1998-08
Volume
85
Issue
4
Pages
1209-1222
ISSN
0306-4522 (ISSN-L)
OpenAlex
W1999753672
Cited by
345
References
70
Citations by year
2026: 1 · 2024: 3 · 2023: 8 · 2022: 9 · 2021: 10 · 2020: 12 · 2019: 18 · 2018: 17 · 2017: 15 · 2016: 15 · 2015: 16 · 2014: 16 · 2013: 17 · 2012: 18
FWCI
18.68
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
vasopressin, oxytocin, forced swim stress, repeated stress exposure, supraoptic nucleus, hypothalamic paraventricular nucleus, neuropeptide release, plasma hormone levels, peptidergic neurons, stress response
MeSH terms
Animals, Central Nervous System, Corticosterone, Corticotropin-Releasing Hormone, Male, Neurons, Neuropeptides, Osmolar Concentration, Oxytocin, Peripheral Nerves, Stress, Psychological, Swimming, Vasopressins, Rats, Wistar, Microdialysis, Lactic Acid, Rats

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