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Differences of DNA Methylation Profiles in Monozygotic Twins\' Blood Samples
Author(s): 
Pages: 260-264
Year: Issue:  4
Journal: Journal of Forensic Medicine

Keyword:  法医遗传学双生单卵甲基化个人识别;
Abstract: 目的 通过比较不同个体外周血DNA甲基化谱的差异,评估DNA甲基化在同卵双生子个体甄别中的应用价值.方法 在知情同意基础上获得22对同卵双生子外周血样.抽提基因组DNA后进行重亚硫酸盐转化,采用Illumina公司的人27k甲基化微珠芯片检测基因组27578个CpG位点的甲基化程度(β值).依据常染色体CpG住点的β值,采用欧氏距离计算方法计算同卵双生子间以及同性别的无关个体间的表观遗传距离.比较...
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