Positive association of AKT1 haplotype to Japanese methamphetamine use disorder

Masashi Ikeda, Nakao Iwata, Tatsuyo Suzuki, Tsuyoshi Kitajima, Yoshio Yamanouchi, Yoko Kinoshiya, Yoshimoto Sekine, Masaomi Iyo, Mutsuo Harano, Tokutaro Komiyama, Mitsuhiko Yamada, Ichiro Sora, Hiroshi Ujike, Toshiya Inada, Norio Ozaki

Research output: Contribution to journalArticle

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Abstract

Recent evidence suggests that the AKT1-GSK3β signalling cascade partially mediates dopamine-dependent behaviours. In relation to the pathophysiology of schizophrenia or methamphetamine (Meth) use disorder, AKT1 is a good candidate gene for such conditions. For schizophrenia, positive associations of SNPs and AKT1 haplotypes were reported in US and Japanese samples. To evaluate the association between AKT1 and Meth-use disorder, we conducted a case-control study of Japanese samples (182 patients and 437 controls). A positive association between a SNP and haplotypes was found, and the 'signal' SNP was the same SNP found to be associated with US schizophrenia, but not with Japanese schizophrenia. Our results indicate that AKT1 may play a possible role in the development of Meth-use disorder. Further investigation of these associations, together with evidence from previous animal studies, may open the way to elucidation of the pathophysiology of this condition.

Original languageEnglish
Pages (from-to)77-81
Number of pages5
JournalInternational Journal of Neuropsychopharmacology
Volume9
Issue number1
DOIs
Publication statusPublished - 01-02-2006

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Methamphetamine
Haplotypes
Single Nucleotide Polymorphism
Schizophrenia
Case-Control Studies
Dopamine
Genes

All Science Journal Classification (ASJC) codes

  • Pharmacology
  • Psychiatry and Mental health
  • Pharmacology (medical)

Cite this

Ikeda, Masashi ; Iwata, Nakao ; Suzuki, Tatsuyo ; Kitajima, Tsuyoshi ; Yamanouchi, Yoshio ; Kinoshiya, Yoko ; Sekine, Yoshimoto ; Iyo, Masaomi ; Harano, Mutsuo ; Komiyama, Tokutaro ; Yamada, Mitsuhiko ; Sora, Ichiro ; Ujike, Hiroshi ; Inada, Toshiya ; Ozaki, Norio. / Positive association of AKT1 haplotype to Japanese methamphetamine use disorder. In: International Journal of Neuropsychopharmacology. 2006 ; Vol. 9, No. 1. pp. 77-81.
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Ikeda, M, Iwata, N, Suzuki, T, Kitajima, T, Yamanouchi, Y, Kinoshiya, Y, Sekine, Y, Iyo, M, Harano, M, Komiyama, T, Yamada, M, Sora, I, Ujike, H, Inada, T & Ozaki, N 2006, 'Positive association of AKT1 haplotype to Japanese methamphetamine use disorder', International Journal of Neuropsychopharmacology, vol. 9, no. 1, pp. 77-81. https://doi.org/10.1017/S1461145705005481

Positive association of AKT1 haplotype to Japanese methamphetamine use disorder. / Ikeda, Masashi; Iwata, Nakao; Suzuki, Tatsuyo; Kitajima, Tsuyoshi; Yamanouchi, Yoshio; Kinoshiya, Yoko; Sekine, Yoshimoto; Iyo, Masaomi; Harano, Mutsuo; Komiyama, Tokutaro; Yamada, Mitsuhiko; Sora, Ichiro; Ujike, Hiroshi; Inada, Toshiya; Ozaki, Norio.

In: International Journal of Neuropsychopharmacology, Vol. 9, No. 1, 01.02.2006, p. 77-81.

Research output: Contribution to journalArticle

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AU - Ikeda, Masashi

AU - Iwata, Nakao

AU - Suzuki, Tatsuyo

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AU - Kinoshiya, Yoko

AU - Sekine, Yoshimoto

AU - Iyo, Masaomi

AU - Harano, Mutsuo

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AU - Yamada, Mitsuhiko

AU - Sora, Ichiro

AU - Ujike, Hiroshi

AU - Inada, Toshiya

AU - Ozaki, Norio

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