Cited by 151Neuroendocrine regulation and behaviorNeurotransmitter Receptor Influence on BehaviorStress Responses and Cortisol

Variant in oxytocin receptor gene is associated with amygdala volume

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Furman, Daniella J., Chen, Michael C., Gotlib, Ian H.·2011·Psychoneuroendocrinology

Abstract

The oxytocin system plays a significant role in modulating stress responses in animals and humans; perturbations in this system may contribute to the pathogenesis of psychiatric disorder. Attempts to identify clinically relevant genetic variants in the oxytocin system have yielded associations between polymorphisms of the oxytocin receptor (OXTR) gene and both autism and major depression. To date, however, little is known about how such variants affect brain structures implicated in these disorders. Applying a manual tracing procedure to high-resolution structural magnetic resonance images, amygdala volumes were measured in 51 girls genotyped on OXTR rs2254298(G>A), a single nucleotide polymorphism associated with psychopathology. Results of this study indicate that despite having greater gray matter volume, participants homozygous for the G allele were characterized by smaller volumes of both left and right amygdala than were carriers of the A allele. A subsequent whole-brain voxel-based morphometry analysis revealed additional genotype-mediated volumetric group differences in the posterior brain stem and dorsomedial anterior cingulate cortex. These findings highlight one neurobiological pathway by which oxytocin gene variants may increase risk for psychopathology. Further research is needed to characterize the mechanism by which this polymorphism contributes to anatomical variability and to identify functional correlates of these alterations in regional brain volume.

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Crossref · 10.1016/j.psyneuen.2010.12.004

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Authors
Furman, D. J., Chen, M. C., & Gotlib, I. H.
Affiliations
Stanford University (US)
Corresponding author
Furman, Daniella J.
Venue
Psychoneuroendocrinology
Publisher
Elsevier BV
Published
2011-07
Volume
36
Issue
6
Pages
891-897
ISSN
0306-4530 (ISSN-L)
OpenAlex
W2040710885
Cited by
151
References
38
Citations by year
2026: 2 · 2025: 7 · 2024: 2 · 2023: 7 · 2022: 3 · 2021: 4 · 2020: 8 · 2019: 9 · 2018: 9 · 2017: 9 · 2016: 21 · 2015: 13 · 2014: 12 · 2013: 14 · 2012: 20
FWCI
24.36
Type
journal article
Language
en
Open access
Locations
  • Psychoneuroendocrinology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health (MH74849, R01MH074849)
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
oxytocin receptor gene, amygdala volume, single nucleotide polymorphisms, gray matter volume, brain structure, psychopathology, stress response, autism spectrum disorder, major depressive disorder, anterior cingulate cortex
MeSH terms
Adolescent, Amygdala, Brain Stem, Child, Depression, Female, Genotype, Gyrus Cinguli, Humans, Magnetic Resonance Imaging, Menarche, Organ Size, Risk, Receptors, Oxytocin, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide

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