MBD3基因多态性与精神分裂症的关联性分析

J4 ›› 2010, Vol. 36 ›› Issue (2): 389-393.

MBD3基因多态性与精神分裂症的关联性分析

孟祥飞¹, 谢冰¹, 刘永哲¹, 寇长贵¹, 史杰萍¹, 许志国², 于雅琴¹

1.吉林大学公共卫生学院流行病与卫生统计学教研室吉林大学基因组医学研究中心|吉林长春 130021；2.吉林大学数学研究所|吉林长春 130012

收稿日期:2010-01-04 出版日期:2010-03-28 发布日期:2010-03-28
通讯作者: 于雅琴 (Tel: 0431-85619437, E-mail:yuyaqin5540@163.com) E-mail:yuyaqin5540@163.com
作者简介:孟祥飞（1982-）|女|内蒙古自治区呼伦贝尔市人|在读医学博士|主要从事基因组流行病学研究。
基金资助:
国家自然科学基金资助课题(30972536)；吉林大学研究生创新基金资助课题(20091029)

Association between MBD3 gene polymorphism and schizophrenia

MENG Xiang-Fei¹, XIE Bing¹, LIU Yong-Zhe¹, KOU Chang-Gui¹, SHI Jie-Ping¹, XU Zhi-Guo², YU Ya-Qin¹

1.Department of Epidemiology and Health Statistics, Research Center for Genomic Medicine, School of Public Health, Jilin University, Changchun 130021,China;2.College of Mathematics, Jilin University, Changchun 130012,China

Received:2010-01-04 Online:2010-03-28 Published:2010-03-28

摘要/Abstract

摘要：

目的：探讨MBD3基因多态性与精神分裂症的关系，为精神分裂症的病因学研究奠定基础。方法：以中国北方汉族精神分裂症患者及其健康父母组成的50个核心家系（共计150例）为研究对象，对MBD3基因上的标签 SNP rs4807934和rs4807122位点采用多重聚合酶链式反应 (PCR) 和连接酶检测反应 (LDR) 方法进行基因型检测，采用拟合优度χ2检验分析基因型频数分布是否符合Hardy-Weinberg平衡定律，进行基于家系的单倍体相对风险分析(HRR)和传递不平衡检验(TDT)分析。结果：MBD3基因上rs4807934和rs4807122位点基因型在患者组和父母组中频数分布均符合Hardy-Weinberg平衡定律；HRR分析，rs4807934和rs4807122位点等位基因在患者组和父母组的频数分布差异无显著性(均P>0.05)；TDT分析，rs4807934和rs4807122位点杂合子父母双亲传递给患病子女的2个不同等位基因概率均未偏离50%(P>0.05)。结论：MBD3基因上rs4807934和rs4807122位点所代表的区域可能与精神分裂症的发病无关联。

关键词: MBD3；精神分裂症；标签SNP

Abstract:

Abstract:Objective To investigate the association between MBD3 gene polymorphism and schizophrenia and provide theoretical basis for its etiological study. Methods The method of PCR-based ligase detection reaction (PCR-LDR) was applied to　detect the genotypes of the tag SNP on MBD3 gene in 50 family trios consisting of fathers, mothers, and affected offsprings with schizophrenia. Hardy-Weinberg equilibrium for genotypic distribution was estimated by the goodness-of-fit χ test. The frequencies of genotype and allele of rs4807934 and rs4807122 locus of MBD3 gene were statistically computed. Results The distribution of genotypic frequency of rs4807934 and rs4807122 did not deviate from Hardy-Weinberg equilibrium either in the patient group or in the parent group（P>0.05）.The haplotype relative risk test (HRR) showed there was no significant difference of frequency distribution of allele of rs4807934 and rs4807122 between patient group and parent group (P>0.05).The transmission disquilibrium test (TDT) showed the allele of rs4807934 and rs4807122 transmitted from heterozygotic parents to affected offsprings did not bias from 50 % (P>0.05) Conclusion The polymorphism of rs4807934 and rs4807112 of MBD3 gene may be not involved in the cause of schizophrenia in North Chinese Han population.

Key words: MBD3, schizophrenia, tag SNP

中图分类号:

孟祥飞, 谢冰, 刘永哲, 寇长贵, 史杰萍, 许志国, 于雅琴. MBD3基因多态性与精神分裂症的关联性分析[J]. J4, 2010, 36(2): 389-393.

MENG Xiang-Fei, XIE Bing, LIU Yong-Zhe, KOU Chang-Gui, SHI Jie-Ping, XU Zhi-Guo, YU Ya-Qin. Association between MBD3 gene polymorphism and schizophrenia[J]. J4, 2010, 36(2): 389-393.

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