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Chelex-100法从颊粘膜拭子提取DNA 进行基因型分析的研究
引用本文:张源明,钟良军,陈晓涛,南晓红,朱子彤. Chelex-100法从颊粘膜拭子提取DNA 进行基因型分析的研究[J]. 新疆医科大学学报, 2003, 26(5): 430-431
作者姓名:张源明  钟良军  陈晓涛  南晓红  朱子彤
作者单位:1. 新疆医科大学第一附属医院心内科,新疆,乌鲁木齐,830000
2. 新疆医科大学第一附属医院口腔科,新疆,乌鲁木齐,830000
3. 新疆医科大学第一附属医院自治区人民医院口腔科,新疆,乌鲁木齐,830000
4. 新疆医科大学第一附属医院乌鲁木齐石油医院口腔科,新疆,乌鲁木齐,830000
基金项目:新疆维吾尔自治区自然科学基金资助项目 (2 0 0 3 2 110 5 )
摘    要:目的:探讨采用Chelex-100法从颊粘膜拭子提取DNA这一方法的有效性和可靠性。方法:用棉签刮取130例个体口腔颊粘膜脱落细胞,采用Chelex-100法从颊粘膜拭子中提取DNA,采用SSP—PCR及PCR—PFL,P法对其进行检测,观察结果的有效性和可靠性。结果:所有样本中都获得成功。电泳结果显示,PCR扩增及酶切的靶带清晰,无非特异性杂带,扩增结果重复性好。结论:采用Chelex-100法从颊粘膜拭子提取DNA,方法稳定可靠,可以用于基因型检测。

关 键 词:Chelex-100法 颊粘膜拭子 DNA 基因型 质量控制
文章编号:1009-5551(2003)05-0430-02
修稿时间:2003-05-27

Buccal swab: a convenient soure of DNA for the analysis of gene polymorphisms
ZHANG Yuan ming,ZHONG Liang jun,CHEN Xiao tao,et al. Buccal swab: a convenient soure of DNA for the analysis of gene polymorphisms[J]. Journal of Xinjiang Medical University, 2003, 26(5): 430-431
Authors:ZHANG Yuan ming  ZHONG Liang jun  CHEN Xiao tao  et al
Abstract:Objective: To investigate the specificity and reliable for extracting DNA from buccal swab by the Chelex 100 method. Methods: The buccal swabs were collected from 130 individuals, Genomic DNA was obtained from these buccal swabs using the Chelex 100 procedure. Genotypes were determined by sequence specific primers polymerase chain reaction (SSP PCR) and PCR restriction fragment length polymorphism(PCR RFLP). Results: The target DNA bands were very clear and no nonspecific bands could be detected. Conclusion: DNA obtained from buccal swabs through Chelex 100 procedure is well suited for analysis of gene polymorphisms.
Keywords:buccal swab  Chelex 100  DNA  genotype
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