期刊
EUROPEAN NEUROPSYCHOPHARMACOLOGY
卷 29, 期 11, 页码 1295-1300出版社
ELSEVIER
DOI: 10.1016/j.euroneuro.2019.09.011
关键词
Epigenetics; Psychiatry; Borderline Personality Disorder; COMT; DNA methylation
资金
- NARSAD Young Investigator grant from the Brain & Behavior Research Foundation [23494]
- IZKF grant [PK2015-1-11]
- German Academic Scholarship Foundation
- Wilhelm-Schuler-Stiftung
Differential DNA methylation in peripheral tissues has been associated with Borderline Personality Disorder (BPD). Alterations have been found in several genes, among them the Catechol-O-methyltransferase (COMT) gene. COMT is a known neuropsychiatric candidate gene, which contains a genotype variant (Val(108/158) Met) that affects protein function and has been found associated with several psychiatric disorders. In addition, this variant also affects COMT DNA methylation. However, in previous epigenetic studies, the DNA methylation results have not always been controlled for genotype, even though overrepresentation of the Met allele has been frequently reported in cohorts of BPD patients. Therefore, in the present study, we investigated whether alteration of COMT DNA methylation in BPD patients is indeed associated with mental health status or merely influenced by a differential distribution of the COMT genotype between BPD patients and healthy control individuals. We found significant group differences, as well as a strong effect of genotype on COMT DNA methylation. While the direction of effect was different compared to a previous study, our study supports the finding of altered COMT DNA methylation in patients with BPD and reinforces the need to include genotype information in future DNA methylation studies of COMT. (C) 2019 Elsevier B.V. and ECNP. All rights reserved.
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