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实时荧光定量PCR检测阴道加德纳菌的方法及价值 被引量:13

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摘要 目的建立检测阴道加德纳菌的实时荧光定量PCR方法并用于细菌性阴道病的诊断。方法定性PCR检测细菌性阴道病患者阴道分泌物中的阴道加德纳菌;实时荧光定量PCR测定患者阴道分泌物中的阴道加德纳菌的DNA含量。用受试者工作曲线(ROC)评价对细菌性阴道病的诊断价值。结果定性PCR的特异度为65%,敏感度为55%。实时荧光定量PCR检测阴道加德纳菌含量的线性范围1×10~1×106copies/mL。阴道加德纳菌在细菌性阴道病中的含量为(3.85±1.54)lgcopies/mL,明显高于健康体检者(P<0.01)。ROC曲线分析结果显示,曲线下面积为0.761,当阴道加德纳菌的DNA含量截断值为3.60 lgcopies/mL时,其诊断细菌性阴道病的总体敏感度和特异度分别为74%和80%。结论实时荧光定量PCR可以有效地检测阴道加德纳菌基因组DNA提取效率,并且检测阴道加德纳菌的方法敏感度和特异度较高,准确性和重复性良好。对细菌性阴道病的诊断有一定的临床应用价值。
出处 《现代中西医结合杂志》 CAS 2013年第7期768-770,共3页 Modern Journal of Integrated Traditional Chinese and Western Medicine
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