中国汉族人群中STK39基因、MCCC1/LAMP3基因与散发性帕金森病的相关性研究

被引:0
作者
余日丽
机构
[1] 中南大学
关键词
帕金森病; 单核苷酸多态性; 全基因组关联分析;
D O I
暂无
年度学位
2012
学位类型
博士
导师
摘要
背景 随着人类基因组计划的完成,GWAS广泛应用于探索复杂性疾病的遗传学研究,到目前为止,在各种人群的帕金森病(Parkinson's disease, PD)的GWAS研究中已发现了数十种基因的多态与PD相关。最近国际帕金森病遗传协会(International Parkinson Disease Genomics Consortium)对5个美国人群和欧洲人群的PD的GWAS研究进行meta分析,除了发现既往报道的位点外,还发现了5个新的位点:ACMSD、STK39(rs2102808)、MCCC1/LAMP3(rs11711441)、SYTl1和CCDC62/HIP1R基因。而后在一组犹太人群的GWAS研究中发现了更多的SNPs与PD相关,包括之前报道的位点,也有STK39(rs3754775)、LAMP3(rs12493050)基因。因此,不同的GWAS研究同时发现STK39基因、MCCC1/LAMP3基因与PD发病相关,我们推测这两个基因很有可能为PD发病的易感基因。 目的 通过对中国汉族人群散发PD患者及对照组的研究分析STK39基因的rs2102808、rs3754775位点,MCCC1/LAMP3基因的rs11711441、rs12493050位点与PD的相关性。 方法 本研究拟采用聚合酶链式反应和DNA直接测序法检测501例散发性PD及492例正常对照的基因型,分析STK39、MCCC1/LAMP3基因相应位点是否与PD相关.。 结果 1)在rs2102808、rs3754775、rs12493050位点的的检测结果中,发现基因型和等位基因在未分组人群、早发性PD、迟发性PD、男性PD、女性PD与相关对照组人群间均无显著性差异性(P>0.0125); 2)在rs11711441的检测结果中,发现基因型和等位基因未分组人群、早发性PD、迟发性PD、男性PD、女性PD与相关对照组人群间均有显著性差异性(P<0.001,OR<1); 3)STK39基因的rs2102808、rs3754775位点及MCCC1/LAMP3基因的rs11711441、rs12493050位点间相互独立(r2<0.5)。 结论 1) MCCC1/LAMP3基因的rs11711441位点等位基因A可降低PD的发病风险,具有保护作用。 2)STK39基因的rs2102808和rs3754775位点,MCCC1/LAMP3基因的rs12493050位点与PD发病无相关性。
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页数:58
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