TESC gene-regulating genetic variant (rs7294919) affects hippocampal subfield volumes and parahippocampal cingulum white matter integrity in major depressive disorder

Kyu Man Han, Eunsoo Won, June Kang, Sunyoung Choi, Aram Kim, Min-Soo Lee, Woo Suk Tae, Byung-Joo Ham

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Two recent genome-wide association studies have suggested that rs7294919 is associated with changes in hippocampal volume. rs7294919 regulates the transcriptional products of the TESC gene, which is involved in neuronal proliferation and differentiation. We investigated the interactive effect of rs7294919 and major depressive disorder (MDD) on the volume of the hippocampal subfields and the integrity of the parahippocampal cingulum (PHC). We also investigated the correlation of these structural changes with the DNA methylation status of rs7294919. A total of 105 patients with MDD and 85 healthy control subjects underwent T1-weighted structural magnetic resonance imaging and diffusion tensor imaging. The rs7294919 was genotyped and its DNA methylation status was assessed in all the participants. We analyzed the hippocampal subfield volumes and PHC integrity using FreeSurfer and the Tracts Constrained by Underlying Anatomy (TRACULA) respectively. Significant interactive effects of rs7294919 and MDD were observed in the volumes of the dentate gyrus and CA4. The patients with MDD had increased methylation in two of the three CpG loci of rs7294919, and the methylation of CpG3 was significantly correlated with right PHC integrity in the MDD group. Our results provide neurobiological evidence for the association of rs7294919 with brain structural changes in MDD.

Original languageEnglish
Pages (from-to)20-29
Number of pages10
JournalJournal of Psychiatric Research
Volume93
DOIs
Publication statusPublished - 2017 Oct 1

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Major Depressive Disorder
Genes
DNA Methylation
Methylation
Diffusion Tensor Imaging
Genome-Wide Association Study
Dentate Gyrus
White Matter
Integrity
Gene
Anatomy
Healthy Volunteers
Magnetic Resonance Imaging
Brain

Keywords

  • Hippocampal subfield volume
  • Major depressive disorder
  • Parahippocampal cingulum
  • rs7294919
  • TESC gene

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Psychiatry and Mental health
  • Biological Psychiatry

Cite this

TESC gene-regulating genetic variant (rs7294919) affects hippocampal subfield volumes and parahippocampal cingulum white matter integrity in major depressive disorder. / Han, Kyu Man; Won, Eunsoo; Kang, June; Choi, Sunyoung; Kim, Aram; Lee, Min-Soo; Tae, Woo Suk; Ham, Byung-Joo.

In: Journal of Psychiatric Research, Vol. 93, 01.10.2017, p. 20-29.

Research output: Contribution to journalArticle

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