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白色念珠菌巢式PCR法的建立和临床应用初步评价

Establishment and clinical application of nested polymerase chain reaction for Candida albicans
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摘要 目的建立用于临床标本中白色念珠菌快速检测的巢式聚合酶链反应。方法以念珠菌属18SrDNA上一段保守序列为通用引物(外套引物),可扩增出257bp的片段,以白色念珠菌内转录2区中选择种特异性引物(内套引物),目标碱基长度为386bp,建立巢式聚合酶联反应(nestedPCR,nPCR)。结果对白色念珠菌的实验检测表明,nPCR的特异性和重复性均达100%,敏感性为32~64cfu/ml。初步临床标本应用表明,nPCR的检测效果显著高于培养法(χ2=31.52,P【0.001)。结论采用nPCR技术,不但可对分离的白色念珠菌进行鉴定,而且可直接用于临床标本中白色念珠菌的检测。
出处 《浙江检验医学》 2006年第4期13-15,共3页 Zhejiang Journal of Laboratory Medicine
关键词 白色念珠菌 巢式聚合酶链反应 检测 Candida albicans Nested polymerase chain reaction Test
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