Volume 18 Issue 1
Nov.  2019
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LIN XIE, Gui-Zhi JU, SHU-ZHENG LIU, JIE-PING SHI, YA-QIN YU, Jun Wei. Searching for a Schizophrenia Susceptibility Gene in the 22q11 Region[J]. Biomedical and Environmental Sciences, 2005, 18(1): 31-35.
Citation: LIN XIE, Gui-Zhi JU, SHU-ZHENG LIU, JIE-PING SHI, YA-QIN YU, Jun Wei. Searching for a Schizophrenia Susceptibility Gene in the 22q11 Region[J]. Biomedical and Environmental Sciences, 2005, 18(1): 31-35.

Searching for a Schizophrenia Susceptibility Gene in the 22q11 Region

Funds:  国家高技术研究发展计划(863计划)(2004AA221070 and 2002BA711A07)%国家自然科学基金(grant 30170343)
  • Objective To investigate a genetic association for schizophrenia within chromosome 22q11 in a Chinese Han population. Methods The PCR-based restriction fragment length polymorphism (PCR-RFLP) analysis was used to detect three single nucleotide polymorphisms (SNPs), rs165655 (A/G base change) and rs165815 (C/T base change) present in the ARVCF (armadillo repeat gene deletion in velocardiofacial syndrome) locus, and rs756656 (A/C base change) in the LOC128979 (expressed sequence tags, EST) locus, among 100 Chinese family trios consisting of fathers, mothers and affected offspring with schizophrenia. Genotype data were analyzed by using linkage disequilibrium (LD) methods including haplotype relative risk (HRR) analysis, transmission disequilibrium test (TDT) and haplotype transmission analysis. Results The genotype frequency distributions of three SNPs were all in Hardy-Weinberg equilibrium (P>0.05). Both the HRR and the TDT analysis showed that rs165815 was associated with schizophrenia (χ2=6.447, df=1, P=0.011 and χ2=6.313, df=1, P=0.012, respectively), whereas the other two SNPs did not show any allelic association. The haplotype transmission analysis showed a biased transmission for the rs165655-rs165815 haplotype system (χ2=17.224, df=3, P=0.0006) and for the rs756656- rs165655-rs165815 hapoltype system (χ2=20.965, df=7, P=0.0038). Conclusion Either the ARVCF gene itself or a nearby locus may confer susceptibility to schizophrenia in a Chinese Han population.
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通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Searching for a Schizophrenia Susceptibility Gene in the 22q11 Region

Funds:  国家高技术研究发展计划(863计划)(2004AA221070 and 2002BA711A07)%国家自然科学基金(grant 30170343)

Abstract: Objective To investigate a genetic association for schizophrenia within chromosome 22q11 in a Chinese Han population. Methods The PCR-based restriction fragment length polymorphism (PCR-RFLP) analysis was used to detect three single nucleotide polymorphisms (SNPs), rs165655 (A/G base change) and rs165815 (C/T base change) present in the ARVCF (armadillo repeat gene deletion in velocardiofacial syndrome) locus, and rs756656 (A/C base change) in the LOC128979 (expressed sequence tags, EST) locus, among 100 Chinese family trios consisting of fathers, mothers and affected offspring with schizophrenia. Genotype data were analyzed by using linkage disequilibrium (LD) methods including haplotype relative risk (HRR) analysis, transmission disequilibrium test (TDT) and haplotype transmission analysis. Results The genotype frequency distributions of three SNPs were all in Hardy-Weinberg equilibrium (P>0.05). Both the HRR and the TDT analysis showed that rs165815 was associated with schizophrenia (χ2=6.447, df=1, P=0.011 and χ2=6.313, df=1, P=0.012, respectively), whereas the other two SNPs did not show any allelic association. The haplotype transmission analysis showed a biased transmission for the rs165655-rs165815 haplotype system (χ2=17.224, df=3, P=0.0006) and for the rs756656- rs165655-rs165815 hapoltype system (χ2=20.965, df=7, P=0.0038). Conclusion Either the ARVCF gene itself or a nearby locus may confer susceptibility to schizophrenia in a Chinese Han population.

LIN XIE, Gui-Zhi JU, SHU-ZHENG LIU, JIE-PING SHI, YA-QIN YU, Jun Wei. Searching for a Schizophrenia Susceptibility Gene in the 22q11 Region[J]. Biomedical and Environmental Sciences, 2005, 18(1): 31-35.
Citation: LIN XIE, Gui-Zhi JU, SHU-ZHENG LIU, JIE-PING SHI, YA-QIN YU, Jun Wei. Searching for a Schizophrenia Susceptibility Gene in the 22q11 Region[J]. Biomedical and Environmental Sciences, 2005, 18(1): 31-35.

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