高效毛细管电泳与聚丙烯酰胺凝胶电泳检测基因点突变的比较
The comparison of detection of gene point mutation by HPCE-SCP and PAGE-SCP analysis
作者:刘戟;王若菡;茹钦华;
Author:
收稿日期: 年卷(期)页码:2006,(04):-342-344
期刊名称:华西药学杂志
Journal Name:WEST CHINA JOURNAL OF PHARMACEUTICAL SCIENCES
关键字:毛细管电泳;聚丙烯酰胺凝胶电泳;p53基因;点突变
Key words:
基金项目:
中文摘要
目的比较高效毛细管电泳(HPCE)技术和传统聚丙烯酰胺凝胶电泳(PAGE)检测结肠癌DNA是否存在p53基因点突变的方法。方法分别采用HPCE与PAGE作单链构象多态性(SCP)分析,检测结肠癌肿瘤标本p53基因第7外显子PCR扩增产物,DNA测序检测其准确性。结果利用HPCE技术和PAGE结合银染技术从22例结肠癌标本中分别检测出5例和4例突变,测序证实点突变的确存在。结论HPCE技术较PAGE更为快速、简便和准确,对临床筛查基因点突变有较高的应用价值。
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