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甲型血友病产前诊断——应用DNA聚合酶链反应(PCR)进行家系RFLP连锁分析 被引量:2

The Prenatal Diagnosis of Hemophilia A——The Use of PCR and Family RFLP Analysis
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摘要 应用PCR技术分析了7个甲型血友病家系,对其中4例做了产前基因诊断。基因诊断的方法选择应是:首先采用PCR法扩增所需的特异DNA片段,随之用Bcll的RFLPs分析;对BclI不能诊断的标本进一步用XbaI的RFLPs分析;对XbaI不能诊断的标本进行其他DNA探针的Southern印迹杂交分析,诊断率可达85%。 Seven families with hemophilia A were analyzed by using the polymerase chain reaction (PCR) technique. Prenatal diagnosis was perfomed in 4 cases at high risk of hemophilia A.The results suggested that the gene fragment of factor Ⅷ might be amplified by the simple, fast and sensitive PCR technique and is especially suited to prenatal diagnosis using very small amounts of chrionic villi or amniocytes. Restriction fragment length polymorphism (RFLPs) analysis of BelI was also performed. The sample, which could not be diagnosed by BelI could be analyzed with RFLPs of XbaI. Finally, DNA probe's Southern bloting analysis could be used for those samples which could not be diagnosed with XbaI. 85% of all hemophilia A cases could be diagnosed with our technique.
出处 《中国医学科学院学报》 CAS CSCD 北大核心 1993年第2期102-107,共6页 Acta Academiae Medicinae Sinicae
关键词 甲型血友病 产前诊断 聚合酶链反应 Hemophilia A Prenatal diagnosis Polymerase chain reaction
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参考文献5

  • 1黄淑帧,周霞娣,盛敏,朱皓,任兆瑞,曾溢滔.应用DNA体外扩增技术对血友病A进行产前诊断[J].遗传与疾病,1989,6(3):129-131. 被引量:4
  • 2沈岩,生物化学与生物物理进展,1989年,16卷,221页
  • 3沈岩,遗传学报,1989年,69卷,8期,422页
  • 4王申五,中国医学科学院学报,1989年,11卷,6期,434页
  • 5吴冠芸,基因诊断,1988年

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