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应用PCR技术对DMD患者基因缺失及携带者检测 |
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高文英 陈悦 刘芬 刘检妤 佟彤
摘 要:本文采用18对引物,A、G两套PCR多重反应体系,对我院37例进行性肌营养不良(DMD)患者进行基因缺失检测,其中19例患者有不同区域的缺失.其缺失区域集中在45-52号外显子,最高峰在48号外显子,与国外文献报道基本一致.另外应用6对重复双核苷酸序列多态性引物采用PCR方法对4个非缺失型家系,进行扩增片段长度多态性分析发现,所有4个家系,均具有2个以上多态性标记.对这些家系通过连锁分析,可对非缺失型家系进行快速的基因诊断,杂合子或携带者检出,并可进行可靠的产前诊断. 关键词:DMD 基因诊断 PCR
作者单位:高文英(天津市儿童医院儿研所(300074) 陈悦(天津市儿童医院儿研所(300074) 刘芬(天津市儿童医院儿研所(300074) 刘检妤(天津市儿童医院儿研所(300074) 佟彤(天津市儿童医院儿研所(300074)
参考文献:
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