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Extraction of Sperm DNA from Mixed Stain by the Modified Differential Lysis Method Combined with Silicon Bead Method
Author(s): HAN Hai-jun, ZHANG Yu-hong, YANG Min, YI Hai, YANG Geng-ye, JIA Dong-tao, LU Da-ru
Pages: 50-
51,54
Year: 2014
Issue:
1
Journal: Journal of Forensic Medicine
Keyword: forensic genetics; mixed stain; two-step method; silicon method;
Abstract: 目的 采用改良差异裂解法结合硅珠法提取混合斑中精子DNA,并评价其应用价值.方法 收集52例经常规差异裂解法检验含有女性分型的混合斑检材,采用改良差异裂解法结合硅珠法提取精子细胞DNA,IdentifilerTM试剂盒进行PCR扩增检验.并将常规差异裂解法结果作为对照. 结果 52例混合斑检材中,采用改良差异裂解法结合硅珠法检出单一男性精子成分有38例,男性分型检出率达到98.08%. 结论 改良差异裂解法结合硅珠法适合提取混合斑中精子DNA.
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