Cited by 11Obsessive-Compulsive Spectrum DisordersEpigenetics and DNA MethylationPsychoanalysis and Psychopathology Research

Sex-dependent association of DNA methylation of HPA axis-related gene FKBP5 with obsessive-compulsive disorder

Seo, Jun Ho, Kim, Shin Tae, Jeon, Sumoa, Kang, Jee In, Kim, Se Joo·2023·Psychoneuroendocrinology

Abstract

Aims Although hypothalamic-pituitary-adrenal (HPA) axis dysregulation in obsessive-compulsive disorder (OCD) has been reported, epigenetic changes in HPA axis-related genes have not been well studied in OCD. The present study investigated whether the epigenetic regulation of FK506-binding protein 51 gene (FKBP5) intron 7 is associated with OCD status in each sex. In addition, relationships among the DNA methylation levels of FKBP5 intron 7, OCD status and early-life trauma were explored.Methods A total of 267 patients with OCD and 201 controls aged between 18 and 40 years were recruited. Demographic and clinical assessment, FKBP5 rs1360780 genotyping, and pyrosequencing of FKBP5 intron 7 were conducted. DNA was extracted from peripheral blood leucocytes. First, multivariate analysis of covariance for differential DNA methylation levels between OCD patients and controls was conducted with adjustment for FKBP5 rs1360780 genotype, early-life trauma, depressive symptoms, and age as covariates in each sex. Next, path analysis was conducted to determine the mediation effects of DNA methylation levels of FKBP5 between early-life trauma and OCD status. In addition, sensitivity analyses for medication and lifetime major depression were also performed.Results DNA methylation at the FKBP5 intron 7 CpG site was significantly lower in men with OCD, compared to controls (mean difference -1.33%, 95% CI -2.11 to -0.55, p < 0.001). The results remained significant for drug naïve or free subjects (mean difference -1.27%, 95% CI -2.18 to -0.37, p = 0.006, in men) and for subjects without lifetime major depressive disorder (mean difference -1.60%, 95% CI -2.54 to -0.66, p < 0.001, in men). The mediation effect of DNA methylation levels was not significant between early-life trauma and OCD status.Conclusion These findings suggest that epigenetic factors of HPA axis-related gene FKBP5 may play a role in the pathogenesis of OCD. Further studies are needed to determine how altered DNA methylation of FKBP5 intron 7 and HPA axis function are involved in OCD.

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Crossref · 10.1016/j.psyneuen.2023.106404

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Authors
Seo, J. H., Kim, S. T., Jeon, S., Kang, J. I., & Kim, S. J.
Affiliations
Yonsei University (KR)
Corresponding author
  • Kim, Shin Tae
  • Kang, Jee In
  • Kim, Se Joo
Venue
Psychoneuroendocrinology
Publisher
Elsevier BV
Published
2023-12
Volume
158
Pages
106404
ISSN
0306-4530 (ISSN-L)
OpenAlex
W4386997621
Cited by
11
References
76
Citations by year
2026: 5 · 2025: 5 · 2024: 1
FWCI
3.21
Type
journal article
Language
en
Open access
closed
Locations
  • Psychoneuroendocrinology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Research Foundation of Korea (2021M3E5D9025022, RS-2023-00209077, 2019 R1A2C1084611)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Obsessive-Compulsive Spectrum Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Social Sciences › Psychology › Clinical Psychology › Psychoanalysis and Psychopathology Research
Keywords
obsessive-compulsive disorder, FKBP5, DNA methylation, hypothalamic-pituitary-adrenal axis, sex differences, intron 7, early trauma, epigenetics, depression, gene-environment interaction, drug-naive patients, major depressive disorder, peripheral blood leukocytes
MeSH terms
Adolescent, Adult, Depressive Disorder, Major, Major Depressive Disorder, Humans, Hypothalamo-Hypophyseal System, Male, Obsessive-Compulsive Disorder, Pituitary-Adrenal System, DNA Methylation, Tacrolimus Binding Proteins, Epigenesis, Genetic, Young Adult

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