PMID: 8597399Dec 29, 1995Paper

Vasopressin and oxytocin in stress

Annals of the New York Academy of Sciences
D JezováM Vigas

Abstract

Though oxytocin and vasopressin are similar in structure and are produced in the same brain regions, they show specific responses under stress conditions. In humans, increases in peripheral blood vasopressin appear to be a consistent finding during many acute stress situations, while in rats, vasopressin secretion is unresponsive to several stimuli known to induce ACTH and catecholamine release. Even decreases in vasopressin levels during stress were described. In accordance with others, we observed enhanced vasopressin release in response to stress stimuli with an osmotic component such as hypertonic saline injection but also during exposure of rats to a warm environment. Immobilization stress which fails to induce vasopressin release was reported to increase hypothalamic vasopressin mRNA and plasma vasopressin levels in chronically adreno-demedullated rats. Unlike vasopressin, oxytocin may be considered a typical stress hormone responding to osmotic as well as other stress stimuli. We found that acute exposure of rats to immobilization stress resulted in an increase in oxytocin mRNA level. In addition, we have shown that magnocellular neurons of the paraventricular nucleus, but not the supraoptic nucleus, are essential for ox...Continue Reading

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Citations

Jun 19, 1998·Brain Research·M C Son, R D Brinton
Apr 1, 1997·Pharmacology, Biochemistry, and Behavior·M DubovickyD Jezova
Oct 25, 2001·Brain Research. Developmental Brain Research·D García-OvejeroL M García-Segura
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Dec 15, 2010·Future Oncology·Myrthala Moreno-SmithAnil K Sood
Jan 7, 2014·The Journal of Endocrinology·Lucia GajdosechovaStefan Zorad
Nov 5, 2013·Biological Psychiatry·Adam S Smith, Zuoxin Wang
Jun 22, 2010·Behavioural Brain Research·Shlomit Jacobson-Pick, Gal Richter-Levin
Jul 26, 2015·Biological Psychiatry·Inga D Neumann, David A Slattery
Dec 1, 2009·Peptides·Andreas StengelYvette Taché
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Jun 15, 2007·Hormones and Behavior·A BernalA Puerto
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May 24, 2013·Journal of Receptor and Signal Transduction Research·Chihiro Miyamoto NakazawaNorimasa Miyamoto
Feb 28, 2014·CNS Spectrums·Donatella MarazzitiLiliana Dell'osso

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