Lack of association between translin-associated factor X gene (TSNAX) and methamphetamine dependence in the Japanese population

Taro Kishi, Tomo Okochi, Tsuyoshi Kitajima, Hiroshi Ujike, Toshiya Inada, Mitsuhiko Yamada, Naohisa Uchimura, Ichiro Sora, Masaomi Iyo, Norio Ozaki, Christoph U. Correll, Nakao Iwata

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Objectives: Recently, we detected that the prokineticin 2 receptor gene was associated with not only major depressive disorder (MDD) but also methamphetamine dependence. Therefore, it is possible that mood disorders and drug addiction have shared susceptibility genes. The translin-associated factor X gene (TSNAX)/disrupted-in-schizophrenia-1 gene (DISC1) has been associated with psychiatric disorders, including schizophrenia, MDD and bipolar disorder. TSNAX is located immediately upstream of DISC1 and has been shown to undergo intergenic splicing with DISC1. Based on this evidence, we hypothesized that TSNAX might be a good candidate gene for methamphetamine dependence. Methods: We conducted a case-control study of Japanese individuals (215 with methamphetamine dependence and 318 age- and sex-matched controls) with three tagging SNPs (rs1630250, rs766288 and rs6662926) selected by HapMap database. Results: rs1630250 was associated in males with methamphetamine dependence in the allele analysis (P-value: 0.0253). However, these results did not remain significant after Bonferroni correction to adjust for multiple comparisons (corrected P-value: 0.152). Conclusion: Our findings suggest that TSNAX does not play a role in methamphetamine dependence in the Japanese population. A replication study using larger samples needs to be conducted to obtain conclusive results.

Original languageEnglish
Pages (from-to)1618-1622
Number of pages5
JournalProgress in Neuro-Psychopharmacology and Biological Psychiatry
Volume35
Issue number7
DOIs
Publication statusPublished - 15-08-2011

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Factor X
Methamphetamine
Population
Genes
Schizophrenia
Major Depressive Disorder
HapMap Project
Mood Disorders
Bipolar Disorder
Substance-Related Disorders
Single Nucleotide Polymorphism
Psychiatry
Case-Control Studies
Alleles
Databases

All Science Journal Classification (ASJC) codes

  • Pharmacology
  • Biological Psychiatry

Cite this

Kishi, Taro ; Okochi, Tomo ; Kitajima, Tsuyoshi ; Ujike, Hiroshi ; Inada, Toshiya ; Yamada, Mitsuhiko ; Uchimura, Naohisa ; Sora, Ichiro ; Iyo, Masaomi ; Ozaki, Norio ; Correll, Christoph U. ; Iwata, Nakao. / Lack of association between translin-associated factor X gene (TSNAX) and methamphetamine dependence in the Japanese population. In: Progress in Neuro-Psychopharmacology and Biological Psychiatry. 2011 ; Vol. 35, No. 7. pp. 1618-1622.
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abstract = "Objectives: Recently, we detected that the prokineticin 2 receptor gene was associated with not only major depressive disorder (MDD) but also methamphetamine dependence. Therefore, it is possible that mood disorders and drug addiction have shared susceptibility genes. The translin-associated factor X gene (TSNAX)/disrupted-in-schizophrenia-1 gene (DISC1) has been associated with psychiatric disorders, including schizophrenia, MDD and bipolar disorder. TSNAX is located immediately upstream of DISC1 and has been shown to undergo intergenic splicing with DISC1. Based on this evidence, we hypothesized that TSNAX might be a good candidate gene for methamphetamine dependence. Methods: We conducted a case-control study of Japanese individuals (215 with methamphetamine dependence and 318 age- and sex-matched controls) with three tagging SNPs (rs1630250, rs766288 and rs6662926) selected by HapMap database. Results: rs1630250 was associated in males with methamphetamine dependence in the allele analysis (P-value: 0.0253). However, these results did not remain significant after Bonferroni correction to adjust for multiple comparisons (corrected P-value: 0.152). Conclusion: Our findings suggest that TSNAX does not play a role in methamphetamine dependence in the Japanese population. A replication study using larger samples needs to be conducted to obtain conclusive results.",
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Lack of association between translin-associated factor X gene (TSNAX) and methamphetamine dependence in the Japanese population. / Kishi, Taro; Okochi, Tomo; Kitajima, Tsuyoshi; Ujike, Hiroshi; Inada, Toshiya; Yamada, Mitsuhiko; Uchimura, Naohisa; Sora, Ichiro; Iyo, Masaomi; Ozaki, Norio; Correll, Christoph U.; Iwata, Nakao.

In: Progress in Neuro-Psychopharmacology and Biological Psychiatry, Vol. 35, No. 7, 15.08.2011, p. 1618-1622.

Research output: Contribution to journalArticle

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AU - Kishi, Taro

AU - Okochi, Tomo

AU - Kitajima, Tsuyoshi

AU - Ujike, Hiroshi

AU - Inada, Toshiya

AU - Yamada, Mitsuhiko

AU - Uchimura, Naohisa

AU - Sora, Ichiro

AU - Iyo, Masaomi

AU - Ozaki, Norio

AU - Correll, Christoph U.

AU - Iwata, Nakao

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N2 - Objectives: Recently, we detected that the prokineticin 2 receptor gene was associated with not only major depressive disorder (MDD) but also methamphetamine dependence. Therefore, it is possible that mood disorders and drug addiction have shared susceptibility genes. The translin-associated factor X gene (TSNAX)/disrupted-in-schizophrenia-1 gene (DISC1) has been associated with psychiatric disorders, including schizophrenia, MDD and bipolar disorder. TSNAX is located immediately upstream of DISC1 and has been shown to undergo intergenic splicing with DISC1. Based on this evidence, we hypothesized that TSNAX might be a good candidate gene for methamphetamine dependence. Methods: We conducted a case-control study of Japanese individuals (215 with methamphetamine dependence and 318 age- and sex-matched controls) with three tagging SNPs (rs1630250, rs766288 and rs6662926) selected by HapMap database. Results: rs1630250 was associated in males with methamphetamine dependence in the allele analysis (P-value: 0.0253). However, these results did not remain significant after Bonferroni correction to adjust for multiple comparisons (corrected P-value: 0.152). Conclusion: Our findings suggest that TSNAX does not play a role in methamphetamine dependence in the Japanese population. A replication study using larger samples needs to be conducted to obtain conclusive results.

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