Cited by 87Stress Responses and CortisolNeurotransmitter Receptor Influence on BehaviorGenetic Associations and Epidemiology

Children under stress–COMT genotype and stressful life events predict cortisol increase in an acute social stress paradigm

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Armbruster, Diana, Mueller, Anett, Strobel, Alexander, Lesch, Klaus-Peter, Brocke, Burkhard, Kirschbaum, Clemens·2012·The International Journal of Neuropsychopharmacology

Abstract

Dopamine and norepinephrine are key regulators of cognitive and affective processes. The enzyme catechol-O-methyltransferase (COMT) catabolizes catecholamines and the COMT Val158Met polymorphism has been linked to several neuropsychiatric variables. Additionally, stressful life events (SLEs) contribute substantially to affective processes. We used the stress-induced activation of the hypothalamic-pituitary-adrenal axis to investigate the effects of COMT and SLEs on the cortisol response in 119 healthy children (8-12 yr). Saliva cortisol was measured during and after the Trier Social Stress Test for Children. SLEs were assessed with a standardized interview with one of the children's parents. Linear regression analysis revealed a significant effect for COMT, with Met allele carriers showing a higher cortisol response (β=0.300, p=0.001). In turn, more SLEs lead to a less pronounced cortisol increase (β=-0.192, p=0.029) probably indicating increased resilience. Our results further underscore the essential and differential role of genetic variation and environmental factors on stress responsivity.

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  1. Blasi G, Mattay VS, Bertolino A, Elvevag B, et al. (2005). Effect of catechol-O-methyltransferase val158met genotype on attentional control. Journal of Neuroscience 25, 5038-5045.

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Authors
Armbruster, D., Mueller, A., Strobel, A., Lesch, K.-P., Brocke, B., & Kirschbaum, C.
Affiliations
  • Technische Universität Dresden (DE)
  • University of Würzburg (DE)
Venue
The International Journal of Neuropsychopharmacology
Published
2011-12-12
Volume
15
Issue
09
Pages
1229-1239
ISSN
  • 1461-1457 (ISSN-L)
  • 1469-5111
OpenAlex
W2140289027
Cited by
87
References
88
Citations by year
2026: 3 · 2025: 5 · 2024: 4 · 2023: 6 · 2022: 4 · 2021: 5 · 2020: 8 · 2019: 7 · 2018: 6 · 2017: 10 · 2016: 6 · 2015: 6 · 2014: 6 · 2013: 7 · 2012: 3
FWCI
2.01
Type
journal article
Language
en
Open access
Locations
  • The International Journal of Neuropsychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Deutsche Forschungsgemeinschaft (KI 537/20-1, SFB 581, KI 537/20-1, 20-3, KFO125, SFB TTR 58)
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
Keywords
catechol-O-methyltransferase, COMT Val158Met polymorphism, life events, cortisol, acute social stress, children, hypothalamic-pituitary-adrenal axis, stress responsivity, resilience, genetic variation, environmental factors
MeSH terms
Alleles, Catechol O-Methyltransferase, Child, DNA, Female, Gene Frequency, Genotype, Humans, Hydrocortisone, Life Change Events, Male, Neuropsychological Tests, Regression Analysis, Saliva, Social Environment, Stress, Psychological, Genetic Variation, Reproducibility of Results, Brain-Derived Neurotrophic Factor

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