Nat Genet:GWAS揭露帕金森氏病6个新遗传因素

2014-07-31 佚名 生物谷

近日,科学家们新近确定参与帕金森病的二十几个遗传危险因素,包括以前没有被报道过的六个遗传因素。这项研究发表在Nature Genetics杂志上。 揭开帕金森的遗传基础对于了解这一复杂疾病的多种机制,以及找到有效的治疗方法是至关重要的。Andrew Singleton博士和他的同事们收集和综合现有的全基因组关联研究(GWAS)数据,试图找到患者的基因变异或细微的基因差别。收集到的数据来自约13,

近日,科学家们新近确定参与帕金森病的二十几个遗传危险因素,包括以前没有被报道过的六个遗传因素。这项研究发表在Nature Genetics杂志上。

揭开帕金森的遗传基础对于了解这一复杂疾病的多种机制,以及找到有效的治疗方法是至关重要的。Andrew Singleton博士和他的同事们收集和综合现有的全基因组关联研究(GWAS)数据,试图找到患者的基因变异或细微的基因差别。收集到的数据来自约13,708帕金森氏症病例和95,282对照者,所有人均为欧洲血统。

研究者发现了增加患帕金森氏症几率的潜在遗传变异风险。他们的结果表明,一个人的变异越多,患病风险就更大,在某些情况下,患这种疾病的风险高达3倍。虽然9个基因变异已被证明可导致罕见形式的帕金森氏病,但科学家继续寻找遗传危险因素,以获得疾病一个完整的基因信息。
 
研究人员在另一样本中(包括5,353例患者和5,551例对照)证实了上述结果。研究人员证实了帕金森氏病的24个遗传危险因素,包括以前尚未被确定的六个变异。

一些新发现的遗传危险因素被认为参与Gaucher's病,调节炎症和神经细胞化学信使多巴胺以及α-突触核蛋白(α-突触核蛋白在某些帕金森氏病患者大脑中会聚集)。但还需要进一步研究,以确定在本研究中所发现的基因变异的作用。

原始出处:


Nalls MA1, Pankratz N2, Lill CM3, Do CB4, Hernandez DG5, Saad M6, DeStefano AL7, Kara E8, Bras J8, Sharma M9, Schulte C10, Keller MF11, Arepalli S11, Letson C11, Edsall C11, Stefansson H12, Liu X13, Pliner H11, Lee JH14, Cheng R14; International Parkinson's Disease Genomics Consortium (IPDGC); Parkinson's Study Group (PSG) Parkinson's Research: The Organized GENetics Initiative (PROGENI); 23andMe; GenePD; NeuroGenetics Research Consortium (NGRC); Hussman Institute of Human Genomics (HIHG); The Ashkenazi Jewish Dataset Investigator; Cohorts for Health and Aging Research in Genetic Epidemiology (CHARGE); North American Brain Expression Consortium (NABEC); United Kingdom Brain Expression Consortium (UKBEC); Greek Parkinson's Disease Consortium; Alzheimer Genetic Analysis Group, Ikram MA15, Ioannidis JP16, Hadjigeorgiou GM17, Bis JC18, Martinez M19, Perlmutter JS20, Goate A21, Marder K22, Fiske B23, Sutherland M24, Xiromerisiou G25, Myers RH26, Clark LN27, Stefansson K12, Hardy JA28, Heutink P29, Chen H30, Wood NW8, Houlden H8, Payami H31, Brice A32, Scott WK33, Gasser T10, Bertram L34, Eriksson N4, Foroud T35, Singleton AB11.Large-scale meta-analysis of genome-wide association data identifies six new risk loci for Parkinson's disease.Nat Genet. 2014 Jul 27. doi: 10.1038/ng.3043. [Epub ahead of print]

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    2015-04-19 cy0324
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    2015-06-28 liye789132251
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    2014-11-25 canlab
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    2015-04-17 江川靖瑶
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    2014-10-10 zyzyyan

    一万多人都做了全基因组测序了吗?那岂不是费用惊人?

    0

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    2014-08-02 lxg951
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