Voxel-based morphometric brain comparison between healthy subjects and major depressive disorder patients in Japanese with the s/s genotype of 5-HTTLPR

Natsuki Igata, Shingo Kakeda, Keita Watanabe, Satoru Ide, Taro Kishi, Osamu Abe, Ryouhei Igata, Asuka Katsuki, Nakao Iwata, Reiji Yoshimura, Yukunori Korogi

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Abstract

Individuals with s/s genotype of serotonin transporter gene-linked promotor region (5-HTTLPR), which appear with a high frequency in Japanese, exhibit more diagnosable depression in relation to stressful life events than those with the s/l or l/l genotype. We prospectively investigated the brain volume changes in first-episode and medication naïve major depression disorder patients (MDD) with the s/s genotype in Japanese. We assessed the differences between 27 MDD with the s/s genotype and 44 healthy subjects (HS) with the same genotype using a whole-brain voxel-by-voxel statistical analysis of MRI. Gray matter volume in a brain region with significant clusters obtained via voxel-based morphometry analysis were measured and, as an exploratory analysis, evaluated for relationships to the subcategory scores (core, sleep, activity, psychic, somatic anxiety, delusion) of the Hamilton Depression Rating Scale (HAM-D) and the Social Readjustment Rating Scale (SRRS). The brain volume in the left insula lobe was significantly smaller in the MDD than in the HS. The left insula lobe volume correlated negatively with the "psychic" score of HAM-D and the SRRS. In a Japanese population with the s/s genotype, we found an atrophy of the insula in the MDD, which might be associated with "psychic" symptom and stress events.

Original languageEnglish
Article number3931
JournalScientific Reports
Volume7
Issue number1
DOIs
Publication statusPublished - 01-12-2017

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Major Depressive Disorder
Healthy Volunteers
Genotype
Depression
Brain
Serotonin Plasma Membrane Transport Proteins
Delusions
Genetic Promoter Regions
Atrophy
Sleep
Anxiety
Population
Genes

All Science Journal Classification (ASJC) codes

  • General

Cite this

Igata, Natsuki ; Kakeda, Shingo ; Watanabe, Keita ; Ide, Satoru ; Kishi, Taro ; Abe, Osamu ; Igata, Ryouhei ; Katsuki, Asuka ; Iwata, Nakao ; Yoshimura, Reiji ; Korogi, Yukunori. / Voxel-based morphometric brain comparison between healthy subjects and major depressive disorder patients in Japanese with the s/s genotype of 5-HTTLPR. In: Scientific Reports. 2017 ; Vol. 7, No. 1.
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Voxel-based morphometric brain comparison between healthy subjects and major depressive disorder patients in Japanese with the s/s genotype of 5-HTTLPR. / Igata, Natsuki; Kakeda, Shingo; Watanabe, Keita; Ide, Satoru; Kishi, Taro; Abe, Osamu; Igata, Ryouhei; Katsuki, Asuka; Iwata, Nakao; Yoshimura, Reiji; Korogi, Yukunori.

In: Scientific Reports, Vol. 7, No. 1, 3931, 01.12.2017.

Research output: Contribution to journalArticle

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AU - Igata, Natsuki

AU - Kakeda, Shingo

AU - Watanabe, Keita

AU - Ide, Satoru

AU - Kishi, Taro

AU - Abe, Osamu

AU - Igata, Ryouhei

AU - Katsuki, Asuka

AU - Iwata, Nakao

AU - Yoshimura, Reiji

AU - Korogi, Yukunori

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