Association of brain-derived neurotrophic factor DNA methylation and reduced white matter integrity in the anterior corona radiata in major depression

Sunyoung Choi, Kyu Man Han, Eunsoo Won, Bongjune Yoon, Min-Soo Lee, Byung-Joo Ham

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Considerable evidence suggests a crucial role for the epigenetic regulation of brain-derived neurotrophic factor (BDNF) in the pathophysiology of major depressive disorder (MDD). However, the relationship between BDNF DNA methylation and white matter (WM) integrity in MDD has not yet been investigated. In the current study, we examined the association between the DNA methylation status of the BDNF promoter region and WM integrity in MDD. Sixty patients with MDD and 53 healthy controls underwent T1-weighted structural magnetic resonance imaging (MRI), including diffusion tensor imaging (DTI), to assess their WM integrity. BDNF DNA methylation at 4 CpG sites of the promoter region was also measured. As compared to healthy controls, the MDD group demonstrated reduced fractional anisotropy (FA) in the bilateral anterior and posterior corona radiata (ACR and PCR), genu of the corpus callosum, and the bilateral posterior thalamic radiations. We observed a significant inverse correlation between the DNA methylation of the BDNF promoter region and the FA of the right ACR in MDD patients. Our findings demonstrate a relationship between methylation of the BDNF promoter region and the integrity of the ACR, a key structural component of the emotional and cognitive control network involved in the pathophysiology of MDD. This correlation suggests that BDNF DNA methylation may contribute to structural WM changes in MDD patients.

Original languageEnglish
Pages (from-to)74-80
Number of pages7
JournalJournal of Affective Disorders
Volume172
DOIs
Publication statusPublished - 2015 Jan 1

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Brain-Derived Neurotrophic Factor
Major Depressive Disorder
DNA Methylation
Depression
Genetic Promoter Regions
Anisotropy
Diffusion Tensor Imaging
White Matter
Corpus Callosum
Epigenomics
Methylation
Magnetic Resonance Imaging
Radiation
Polymerase Chain Reaction

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Clinical Psychology

Cite this

Association of brain-derived neurotrophic factor DNA methylation and reduced white matter integrity in the anterior corona radiata in major depression. / Choi, Sunyoung; Han, Kyu Man; Won, Eunsoo; Yoon, Bongjune; Lee, Min-Soo; Ham, Byung-Joo.

In: Journal of Affective Disorders, Vol. 172, 01.01.2015, p. 74-80.

Research output: Contribution to journalArticle

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