期刊
PROGRESS IN NEURO-PSYCHOPHARMACOLOGY & BIOLOGICAL PSYCHIATRY
卷 35, 期 7, 页码 1618-1622出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pnpbp.2011.06.001
关键词
Disrupted-in-schizophrenia-1 gene (DISC1); Linkage disequilibrium; Methamphetamine dependence; Tagging SNP; Translin-associated factor X gene (TSNAX)
资金
- Ministry of Education, Culture, Sports, Science and Technology
- Ministry of Health, Labor and Welfare
- Japan Health Sciences Foundation
- Japan Research Foundation for Clinical Pharmacology
- Feinstein Institute for Medical Research
- National Institute of Mental Health (NIMH)
- National Alliance for Research in Schizophrenia and Depression (NARSAD)
- Ortho-McNeill/Janssen/JJ
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. (C) 2011 Elsevier Inc. All rights reserved.
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