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Method of Detecting Gastric Cancer Micrometastases in Lymph Nodes by Nest RT-PCR Amplification of Keration 19 and its Application
Authors
吴艳环(厦门市中山医院)
李力
+4 more
苏金华
蔡克瑕
陈瑞川
陈路芸
Publication date
1 April 2000
Publisher
《浙江肿瘤》编辑部
Abstract
[目的]建立RT PCR扩增Keratin19mRNA的方法 ,评价其应用前景。[方法]采用Keratin19cDNA的套式引物建立巢式RT PCR扩增体系 ,以酶切分析及DNA点杂交法鉴定扩增产物的特异性 ,逆转录产物系列稀释法分析检测敏感性 ,并对51例临床胃周淋巴结样品作初步检测。[结果]该扩增体系具有较好的扩增特异性 ,检测敏感性达1pgRNA ,相当于从105 个淋巴细胞中检出1个胃癌细胞 ;对临床样品检测结果显示该法较病理检查法敏感性高。[结论]该扩增体系具有较好的特异性、敏感性和较高的可靠性。福建省卫生厅基金!(编号 :96075);福建省自然科学基金!(F00024)资
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Last time updated on 16/06/2016