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Searching for disease susceptibility variants in structured populations.

机译:在结构化人群中寻找疾病易感性变异。

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Data for genome-wide association studies are being collected for a myriad of phenotypes. Many of these studies do not include control samples selected to reflect ancestry similar to the case samples. At the same time "control databases" are becoming available to be utilized as a common resource. These data are often genotyped using a large-scale SNP array. Human populations exhibit complex structure that can lead to spurious associations if not properly handled. How to couple case and control databases effectively is a pressing question. We review available methods for modeling genetic ancestry based on the information gleaned from the SNP array. Methods for selecting control samples with genetic ancestry similar to the case samples are described.
机译:正在收集无数表型的全基因组关联研究数据。这些研究中很多都没有选择对照样本来反映与血统样本相似的血统。同时,“控制数据库”变得可以用作公用资源。这些数据通常使用大规模SNP阵列进行基因分型。人口结构复杂,如果处理不当,会导致虚假的联想。如何有效地结合案例和控制数据库是一个紧迫的问题。我们审查了基于从SNP阵列收集的信息对遗传祖先进行建模的可用方法。描述了选择遗传样本与病例样本相似的对照样本的方法。

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