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HBV—DNA荧光定量PCR检测下限的确立
引用本文:梁金明,陈亚珍,李艳. HBV—DNA荧光定量PCR检测下限的确立[J]. 分子诊断与治疗杂志, 2010, 2(4): 257-259
作者姓名:梁金明  陈亚珍  李艳
作者单位:广东省湛江中心人民医院检验科,广东,湛江,524037
摘    要:目的 确立本实验室荧光定量PCR检测HBV-DNA项目的检测下限.方法 分别测定原倍HBV-DNA质控血清及经100、200倍稀释后HBV-DNA含量.结果 原倍质控血清测定结果的均值为3.63×104 IU/mL(4.56),在给定靶值范围2.14×104~2.14×105 IU/mL(4.33~5.33)的低值附近;100倍稀释后的检测结果的均值为3.32 × 102 IU/mL(2.52),在试剂盒最低检测下限(500 IU/mL)以下,且100份标本能100%定量检测.结论 本实验室设备及所用的试剂、方法对HBV-DNA〉500 IU/mL的标本完全有能力定量检测;检测下限为500 IU/mL是符合要求的.

关 键 词:荧光定量聚合酶链反应  HBV-DNA  检测下限

Determination of detection limit of HBV-DNA by real-time fluorescence quantitative PCR
LIANG Jinming,CHEN Yazhen,LI Yan. Determination of detection limit of HBV-DNA by real-time fluorescence quantitative PCR[J]. Journal of Molecular Diagnosis and Therapy, 2010, 2(4): 257-259
Authors:LIANG Jinming  CHEN Yazhen  LI Yan
Affiliation:(Department of Laboratory, Central People's Hospital of Zhanjiang, Guangdong, Zhanjiang 524037, China)
Abstract:Objective To determine the lower limit of HBV-DNA by real-time fluorescence quantitative PCR for our laboratory. Methods The quality control serum for hepatitis B virus DNA and 100- fold, 200-fold dilution quality control serum of HBV-DNA were tested. Results The HBV-DNA quality control serum was 3.63 x 104 IU/mL(4.56).The 100-fold dilution samples was 3.32× 10^2 IU/mL(2.52), within the detection limit of the kit (500 IU/mL). Conclusion With the reagents of real-time fluorescence quantitative PCR, the detection limit(500 IU/mL) meet the demand.
Keywords:FQ-PCR  HBV-DNA  Limit of detection
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