Cited by 70Epigenetics and DNA MethylationAnxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesGenetic Associations and Epidemiology

DNA methylation signatures in panic disorder

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Iurato, Stella, Carrillo-Roa, Tania, Arloth, Janine, Czamara, Darina, Diener-Hölzl, Laura, Lange, Jennifer, Müller-Myhsok, Bertram, Binder, Elisabeth B. +1 more·2017·Translational Psychiatry

Abstract

Panic disorder (PD) affects about four million Europeans, with women affected twice as likely as men, causing substantial suffering and high economic costs. The etiopathogenesis of PD remains largely unknown, but both genetic and environmental factors contribute to risk. An epigenome-wide association study (EWAS) was conducted to compare medication-free PD patients (n = 89) with healthy controls (n = 76) stratified by gender. Replication was sought in an independent sample (131 cases, 169 controls) and functional analyses were conducted in a third sample (N = 71). DNA methylation was assessed in whole blood using the Infinium HumanMethylation450 BeadChip. One genome-wide association surviving FDR of 5% (cg07308824, P = 1.094 × 10-7, P-adj = 0.046) was identified in female PD patients (N = 49) compared to controls (N = 48). The same locus, located in an enhancer region of the HECA gene, was also hypermethylated in female PD patients in the replication sample (P = 0.035) and the significance of the association improved in the meta-analysis (P-adj = 0.004). Methylation at this CpG site was associated with HECA mRNA expression in another independent female sample (N = 71) both at baseline (P = 0.046) and after induction by dexamethasone (P = 0.029). Of 15 candidates, 5 previously reported as associated with PD or anxiety traits also showed differences in DNA methylation after gene-wise correction and included SGK1, FHIT, ADCYAP1, HTR1A, HTR2A. Our study examines epigenome-wide differences in peripheral blood for PD patients. Our results point to possible sex-specific methylation changes in the HECA gene for PD but overall highlight that this disorder is not associated with extensive changes in DNA methylation in peripheral blood.

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Authors
Iurato, S., Carrillo-Roa, T., Arloth, J., Czamara, D., Diener-Hölzl, L., Lange, J., Müller-Myhsok, B., Binder, E. B., & Erhardt, A.
Affiliations
  • Max Planck Institute of Psychiatry (DE)
  • Emory University (US)
Corresponding author
  • Iurato, Stella
  • Erhardt, Angelika
Venue
Translational Psychiatry
Published
2017-12-18
Volume
7
Issue
12
Pages
1287-1287
ISSN
2158-3188 (ISSN-L)
OpenAlex
W2775629207
Cited by
70
References
87
Citations by year
2026: 2 · 2025: 4 · 2024: 4 · 2023: 9 · 2022: 27 · 2021: 5 · 2020: 10 · 2019: 7 · 2018: 2
FWCI
2.12
Type
journal article
Language
en
Open access
Locations
  • Translational Psychiatry (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Publication Server of the Catholic University Eichstätt-Ingolstadt (Catholic University of Eichstätt-Ingolstadt) (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • Electronic Theses of LMU Munich (Ludwig-Maximilians-Universität München) (submittedVersion)
  • Max Planck Digital Library (submittedVersion, other-oa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
Keywords
panic disorder, DNA methylation, epigenome-wide association study, sex differences, hypermethylation, enhancers, peripheral blood, anxiety disorders, SGK1, FHIT, ADCYAP1, 5-HT1A receptor, HTR2A
MeSH terms
Adult, Female, Humans, Male, Middle Aged, Anti-Anxiety Agents, Panic Disorder, DNA Methylation, Gene Expression Profiling, Genome-Wide Association Study, Genetic Loci, Epigenomics

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