A genetic variation in the dysbindin gene (DTNBP1) is associated with memory performance in healthy controls

Ryota Hashimoto, Hiroko Noguchi, Hiroaki Hori, Tetsuo Nakabayashi, Tatsuyo Suzuki, Nakao Iwata, Norio Ozaki, Asako Kosuga, Masahiko Tatsumi, Kunitoshi Kamijima, Seiichi Harada, Masatoshi Takeda, Osamu Saitoh, Hiroshi Kunugi

Research output: Contribution to journalArticle

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Abstract

Schizophrenia is a common psychiatric disorder characterized by disturbances of cognition, emotion and social functioning. There are few studies investigating a possible genetic basis for the underlying mechanism of cognitive dysfunctions. A genetic variation in the dysbindin gene (DTNBP1: dystrobrevin binding protein 1), a susceptibility gene for schizophrenia, has been reported to be associated with general cognitive ability and cognitive decline in patients with schizophrenia. Although profound disturbances of memory performance are observed in schizophrenia, only one study has reported a relationship between this gene and spatial working memory in a Caucasian population. We examined a possible association between a protective haplotype of DTNBP1 for developing schizophrenia and memory performance measured by the Wechsler Memory Scale-Revised (WMS-R) and the Wechsler Adult Intelligence Scale-Revised (WAIS-R) in 165 healthy volunteers and 70 patients with schizophrenia in a Japanese population. Healthy controls that carry the protective haplotype showed higher performance in several memory domains measured by the WMS-R than those who did not. Genotype effect on memory performance was not observed in patients with schizophrenia. This haplotype did not affect IQ and its sub-scores as measured by the Wechsler Adult Intelligence Scale-Revised in both groups. These data suggest that DTNBP1 may have impact on parts of memory functions.

Original languageEnglish
Pages (from-to)431-438
Number of pages8
JournalWorld Journal of Biological Psychiatry
Volume11
Issue number2 PART 2
DOIs
Publication statusPublished - 19-04-2010

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Schizophrenia
Genes
Haplotypes
Wechsler Scales
Intelligence
Aptitude
Short-Term Memory
Cognition
Population
Psychiatry
Healthy Volunteers
Carrier Proteins
Emotions
Genotype

All Science Journal Classification (ASJC) codes

  • Psychiatry and Mental health
  • Biological Psychiatry

Cite this

Hashimoto, Ryota ; Noguchi, Hiroko ; Hori, Hiroaki ; Nakabayashi, Tetsuo ; Suzuki, Tatsuyo ; Iwata, Nakao ; Ozaki, Norio ; Kosuga, Asako ; Tatsumi, Masahiko ; Kamijima, Kunitoshi ; Harada, Seiichi ; Takeda, Masatoshi ; Saitoh, Osamu ; Kunugi, Hiroshi. / A genetic variation in the dysbindin gene (DTNBP1) is associated with memory performance in healthy controls. In: World Journal of Biological Psychiatry. 2010 ; Vol. 11, No. 2 PART 2. pp. 431-438.
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Hashimoto, R, Noguchi, H, Hori, H, Nakabayashi, T, Suzuki, T, Iwata, N, Ozaki, N, Kosuga, A, Tatsumi, M, Kamijima, K, Harada, S, Takeda, M, Saitoh, O & Kunugi, H 2010, 'A genetic variation in the dysbindin gene (DTNBP1) is associated with memory performance in healthy controls', World Journal of Biological Psychiatry, vol. 11, no. 2 PART 2, pp. 431-438. https://doi.org/10.3109/15622970902736503

A genetic variation in the dysbindin gene (DTNBP1) is associated with memory performance in healthy controls. / Hashimoto, Ryota; Noguchi, Hiroko; Hori, Hiroaki; Nakabayashi, Tetsuo; Suzuki, Tatsuyo; Iwata, Nakao; Ozaki, Norio; Kosuga, Asako; Tatsumi, Masahiko; Kamijima, Kunitoshi; Harada, Seiichi; Takeda, Masatoshi; Saitoh, Osamu; Kunugi, Hiroshi.

In: World Journal of Biological Psychiatry, Vol. 11, No. 2 PART 2, 19.04.2010, p. 431-438.

Research output: Contribution to journalArticle

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AU - Hashimoto, Ryota

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AU - Hori, Hiroaki

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AU - Suzuki, Tatsuyo

AU - Iwata, Nakao

AU - Ozaki, Norio

AU - Kosuga, Asako

AU - Tatsumi, Masahiko

AU - Kamijima, Kunitoshi

AU - Harada, Seiichi

AU - Takeda, Masatoshi

AU - Saitoh, Osamu

AU - Kunugi, Hiroshi

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