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Association study on the DUSP6 gene, an affective disorder candidate gene on 12q23, performed by using fluorescence resonance energy transfer-based melting curve analysis on the LightCycler

Molecular Psychiatry volume 5, pages 489–494 (2000)Cite this article

Abstract

We introduced a new genotyping method, fluorescence resonance energy transfer-based melting curve analysis on the LightCycler, for the analysis of the gene, DUSP6 (dual specificity MAP kinase phosphatase 6), in affective disorder patients. The DUSP6 gene is located on chromosome 12q22–23, which overlaps one of the reported bipolar disorder susceptibility loci. because of its role in intracellular signalling pathways, the gene may be involved in the pathogenesis of affective disorders not only on the basis of its position but also of its function. we performed association analysis using a t>G polymorphism that gives rise to a missense mutation (Leu114Val). No evidence for a significant disease-causing effect was found in Japanese unipolars (n = 132) and bipolars (n = 122), when compared with controls (n = 299). More importantly, this study demonstrates that melting curve analysis on the LightCycler is an accurate, rapid and robust method for discriminating genotypes from biallelic markers. This strategy has the potential for use in high throughput scanning for and genotyping of single nucleotide polymorphisms (SNPs).

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Authors and Affiliations

  1. Laboratory for Molecular Psychiatry, Brain Science Institute, RIKEN, Wako, 351–0198, Saitama, Japan

    T Toyota, A Watanabe, E Hattori, K Yamada & T Yoshikawa

  2. Department of Neuropsychiatry, Tokyo Medical and Dental University, Tokyo, Japan

    T Toyota, A Watanabe & A Kurumaji

  3. National Sanatorium Minami-Hanamaki Hospital, Iwate, Japan

    H Shibuya & E Hattori

  4. Department of Neuropsychiatry, Tokyo Metropolitan Police Hospital, Japan

    M Nankai

  5. National Institute of Mental Health, Intramural Research Program, Bethesda, 20892–4094, MD, USA

    J D Karkera & S D Detera-Wadleigh

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  1. T Toyota
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  2. A Watanabe
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  3. H Shibuya
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  10. T Yoshikawa
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Correspondence to T Yoshikawa.

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Toyota, T., Watanabe, A., Shibuya, H. et al. Association study on the DUSP6 gene, an affective disorder candidate gene on 12q23, performed by using fluorescence resonance energy transfer-based melting curve analysis on the LightCycler. Mol Psychiatry 5, 489–494 (2000). https://doi.org/10.1038/sj.mp.4000748

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  • DOI: https://doi.org/10.1038/sj.mp.4000748

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