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A Method for DNA Examination on Mouth Mueosa Exfoliative Cells from Tooth-Brush Bristies
Author(s): FENG Yu, YAN Mi, LIU Yun, CHEN Jun
Pages: 435-
436
Year: 2008
Issue:
6
Journal: Journal of Forensic Medicine
Keyword: 法医遗传学; 提取法; 口腔黏膜; 脱落细胞; 牙刷刷毛;
Abstract: 目的 探索牙刷刷毛黏附口腔黏膜脱落细胞DNA提取有效方法.方法 采用牙刷刷毛拔出法和直接涮洗法收集口腔黏膜脱落细胞,分别用Chelex-100法和DNA IQ试剂盒提取DNA进行PCR扩增及STR分型.结果 牙刷刷毛拔下后收集口腔黏膜脱落细胞检测STR 9个以上基因座成功率明显高于直接涮洗法,差异具统计学意义(P<0.05).Chelex-100法和DNA IQ试剂盒提取法之间差异无统计学意义(P>0.05).结论 牙刷刷毛拔出法较直接涮洗法收集口腔黏膜脱落细胞更有效.
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