Positive association of the Disrupted-in-schizophrenia-1 gene (DISC1) with schizophrenia in the Chinese Han Population

Mei Qu, Fulei Tang, Weihua Yue, Yan Ruan, Tianlan Lu, Zhonghua Liu, Handi Zhang, Yonghua Han, Darong Zhang, Fei Wang, Dai Zhang

Research output: Contribution to journalArticle

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Abstract

Disrupted-in-Schizophrenia-1 (BISC1) is located on 1q42.1, one of the most promising susceptibility loci in schizophrenia linkage studies. A non-synonymous genetic variation rs821616 (Ser704Cys) in DISC1, has recently been shown to be associated with schizophrenia in family-based study [Callicott et al. (2005); Proc Natl Acad Sci USA 102: 8627-8632]. In order to further confirm this issue, we examined four single nucleotide polymorphisms (SNPs) in a chromosomal region spanning 42 kb of this gene, namely rs821616, rs821597, rs4658971, and rs843979, in Chinese sample of 313 schizophrenia patients and 317 healthy controls. Our results showed that two SNPs had strong associations with schizophrenia (rs821616: Allele A > T, χ2 = 7.8006, df = 1, P = 0.0052; Genotype, χ2 = 7.7935, df = 2, P = 0.0203; rs821597: Allele A > G, χ2 = 9.5404, df = 1, P = 0.0020; Genotype, χ2 = 12.2780, df = 2, P = 0.0022). When haplotypes were constructed with two, three, and four markers, a number of haplotype combinations, especially those including rs821616 and rs821597, were significantly associated with schizophrenia. Furthermore, there was a strong evidence for association in a four-marker haplotype analysis (χ2 = 7.686, df = 4, P = 0.005581, corrected P = 0.006199). Although the case-control and family-based association studies both suggest that DISC1 gene may play a role in genetic susceptibility to schizophrenia, the risk haplotypic combinations have subtle differences in the two studies. Our findings provide further evidence for DISC1 as a predisposing gene involved in schizophrenia in the Chinese Han Population.

Original languageEnglish (US)
Pages (from-to)266-270
Number of pages5
JournalAmerican Journal of Medical Genetics, Part B: Neuropsychiatric Genetics
Volume144
Issue number3
DOIs
StatePublished - Apr 5 2007

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Schizophrenia
Population
Genes
Haplotypes
Single Nucleotide Polymorphism
Alleles
Genotype
Genetic Predisposition to Disease

Keywords

  • Case-control study
  • Haplotype
  • Linkage disequilibrium
  • SNP

ASJC Scopus subject areas

  • Genetics(clinical)
  • Psychiatry and Mental health
  • Cellular and Molecular Neuroscience

Cite this

Positive association of the Disrupted-in-schizophrenia-1 gene (DISC1) with schizophrenia in the Chinese Han Population. / Qu, Mei; Tang, Fulei; Yue, Weihua; Ruan, Yan; Lu, Tianlan; Liu, Zhonghua; Zhang, Handi; Han, Yonghua; Zhang, Darong; Wang, Fei; Zhang, Dai.

In: American Journal of Medical Genetics, Part B: Neuropsychiatric Genetics, Vol. 144, No. 3, 05.04.2007, p. 266-270.

Research output: Contribution to journalArticle

Qu, Mei ; Tang, Fulei ; Yue, Weihua ; Ruan, Yan ; Lu, Tianlan ; Liu, Zhonghua ; Zhang, Handi ; Han, Yonghua ; Zhang, Darong ; Wang, Fei ; Zhang, Dai. / Positive association of the Disrupted-in-schizophrenia-1 gene (DISC1) with schizophrenia in the Chinese Han Population. In: American Journal of Medical Genetics, Part B: Neuropsychiatric Genetics. 2007 ; Vol. 144, No. 3. pp. 266-270.
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AU - Ruan, Yan

AU - Lu, Tianlan

AU - Liu, Zhonghua

AU - Zhang, Handi

AU - Han, Yonghua

AU - Zhang, Darong

AU - Wang, Fei

AU - Zhang, Dai

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