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利用短串联重复序列产前基因诊断唐氏综合征 被引量:1

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摘要 目的探索用STR-PCR方法进行唐氏综合征产前基因诊断的可行性。方法收集经羊水细胞培养、核型分析已确诊为唐氏综合征的孕妇羊水标本,提取其中的胎儿DNA,并利用聚合酶链反应扩增21号染色体上4个STR位点(D21S11、D21S1411、D21S2039、D21S2055),根据扩增产物聚丙烯酰胺凝胶电泳分型结果诊断唐氏综合征患者。结果与核型分析结果对比。结果运用STR-PCR电泳分型技术对10例唐氏综合征孕妇的羊水进行诊断,结果与染色体核型分析一致。结论联用4个位点对唐氏综合征标准型患者进行诊断结果准确度高,适宜产前诊断临床应用。
作者 夏露
出处 《中国优生与遗传杂志》 2011年第12期23-24,共2页 Chinese Journal of Birth Health & Heredity
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