Cited by 163Neuroendocrine regulation and behaviorStress Responses and CortisolNeuropeptides and Animal Physiology

Preliminary evidence that plasma oxytocin levels are elevated in major depression

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Parker, Karen J., Kenna, Heather A., Zeitzer, Jamie M., Keller, Jennifer, Blasey, Christine M., Amico, Janet A., Schatzberg, Alan F.·2010·Psychiatry Research

Abstract

It is well established that the neuropeptide oxytocin (OT) is involved in regulating social behavior, anxiety, and hypothalamic-pituitary-adrenal (HPA) axis physiology in mammals. Because individuals with major depression often exhibit functional irregularities in these measures, we test in this pilot study whether depressed subjects (n=11) exhibit dysregulated OT biology compared to healthy control subjects (n=19). Subjects were hospitalized overnight and blood samples were collected hourly between 1800 and 0900h. Plasma levels of OT, the closely related neuropeptide argine-vasopressin (AVP), and cortisol were quantified. Results indicated that depressed subjects exhibit increased OT levels compared to healthy control subjects, and this difference is most apparent during the nocturnal peak. No depression-related differences in AVP or cortisol levels were discerned. This depression-related elevation in plasma OT levels is consistent with reports of increased hypothalamic OT-expressing neurons and OT mRNA in depressed patients. This present finding is likewise consistent with the hypothesis that dysregulated OT biology may be a biomarker of the emotional distress and impaired social relationships which characterize major depression. Additional research is required to elucidate the role of OT in the pathophysiology of this psychiatric disorder.

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Crossref · 10.1016/j.psychres.2009.09.017

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  1. First MB Spitzer RL Gibbon M Williams JBW 1997 Structured Clinical Interview for DSM-IV-TR Axis I Disorders Patient Edition (SCID-I/P, 2/2001 revision) Edition Washington, DC American Psychiatric Press

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Authors
Parker, K. J., Kenna, H. A., Zeitzer, J. M., Keller, J., Blasey, C. M., Amico, J. A., & Schatzberg, A. F.
Affiliations
  • Stanford Medicine (US)
  • VA Palo Alto Health Care System (US)
  • University of Pittsburgh (US)
Corresponding author
Parker, Karen J.
Venue
Psychiatry Research
Publisher
Elsevier BV
Published
2010-07
Volume
178
Issue
2
Pages
359-362
ISSN
0165-1781 (ISSN-L)
OpenAlex
W2146551770
Cited by
163
References
30
Citations by year
2026: 2 · 2025: 8 · 2024: 3 · 2023: 2 · 2022: 14 · 2021: 14 · 2020: 7 · 2019: 9 · 2018: 11 · 2017: 11 · 2016: 10 · 2015: 13 · 2014: 14 · 2013: 15 · 2012: 11
FWCI
19.16
Type
journal article
Language
en
Open access
Locations
  • Psychiatry Research (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (MH50604, MH66537, RR-00070)
  • The Pritzker Foundation
Topics
  • Social Sciences › Psychology › Social Psychology › 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
oxytocin, major depressive disorder, plasma oxytocin, vasopressin, cortisol, hypothalamic-pituitary-adrenal axis, depression biomarkers, social behavior, anxiety
MeSH terms
Adult, Major Depressive Disorder, Female, Humans, Hydrocortisone, Male, Middle Aged, Oxytocin, Psychiatric Status Rating Scales, Regression Analysis, Vasopressins

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