Cited by 50Stress Responses and CortisolNeurotransmitter Receptor Influence on BehaviorGenetic Associations and Epidemiology

Cortisol Responses to Emotional Stress in Men: Association with a Functional Polymorphism in the 5HTR2C Gene

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Brummett, Beverly H., Kuhn, Cynthia M., Boyle, Stephen H., Babyak, Michael A., Siegler, Ilene C., Williams, Redford B.·2012·Biological Psychology

Abstract

The serotonin 5HTR2C receptor has been shown to mediate HPA axis activation during stress. We hypothesized that a functional polymorphism (rs6318) of the 5HTR2C gene would be associated with HPA axis response to a laboratory stress protocol. The present sample consisted of 41 men (22 African Americans, 19 Caucasians). We found that at rest men with the more active rs6318 Ser23 C allele had similar cortisol values compared to those with the less active Cys23 G allele. During laboratory stress, however, men with the Ser23 C allele exhibited the predicted significantly higher cortisol levels (p<0.001), as well as larger increases in anger (p=0.08) and depressive mood (p=0.006) ratings, compared to the Cys23 G carriers. The increase in cortisol was significantly related to the increases in ratings of anger and depression assessed before and after the emotion induction, and these correlations became nonsignificant when rs6318 genotype was covaried. We conclude that genetic variation in 5HTR2C may be associated with HPA axis activation and stimulated by emotional stress, and also with both psychological and physiological endophenotypes that increase the risk of cardiovascular disease and type-2 diabetes.

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Authors
Brummett, B. H., Kuhn, C. M., Boyle, S. H., Babyak, M. A., Siegler, I. C., & Williams, R. B.
Affiliations
Duke Medical Center (US)
Corresponding author
Brummett, Beverly H.
Venue
Biological Psychology
Publisher
Elsevier BV
Published
2012-01
Volume
89
Issue
1
Pages
94-98
ISSN
0301-0511 (ISSN-L)
OpenAlex
W2007136524
Cited by
50
References
32
Citations by year
2024: 4 · 2023: 1 · 2022: 3 · 2021: 1 · 2019: 5 · 2018: 4 · 2017: 4 · 2016: 3 · 2015: 6 · 2014: 8 · 2013: 9 · 2012: 1
FWCI
2.25
Type
journal article
Language
en
Update notices
erratum (2020-11-01)
Open access
Locations
  • Biological Psychology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Heart, Lung, and Blood Institute (P01HL036587)
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
cortisol, emotional stress, serotonin receptors, hypothalamic-pituitary-adrenal axis, anger, depressive mood, genetic polymorphism, men, African Americans, cardiovascular risk, type 2 diabetes risk
MeSH terms
Adolescent, Adult, Cysteine, Genotype, Humans, Hydrocortisone, Male, Middle Aged, Psychiatric Status Rating Scales, Radioimmunoassay, Serine, Statistics as Topic, Stress, Psychological, Polymorphism, Single Nucleotide, Receptor, Serotonin, 5-HT2C, Young Adult, Genetic Association Studies

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