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用逆转录PCR-核酸探针杂交法对柯萨奇B组病毒分型诊断 被引量:6

Coxsackie virus B types were discriminated by RT-PCR
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摘要 目的 建立一种逆转录PCR 核酸探针杂交法对柯萨奇B组病毒 (CVB1~ 6 )进行分型诊断。方法 一对通用PCR引物 ,它能有效扩增所有CVB1~ 6型的特异性DNA片段 ;另选取 6条各型特异性寡核苷酸探针 ,将它们分别共价结合在不同的微孔板上。经过一次PCR扩增 ,扩增后的产物分别与包被有不同探针的微孔板进行杂交检测 ,从而有效鉴别CVB各型。结果 本法与ELISA法的分型比较显示它们具有很好的一致性 ,无错误分型。对 15 2例IgM抗体阳性标本的检测 ,该方法阳性率为 71 7%。结论 本法可准确对CVB进行分型 ,为CVB的临床诊断及流行病学调查提供了一种有效的方法。 Objective To develop a method for detection of coxsackie B virus type 1-6 by RT-PCR Methods A pair of primers were designed to amplify all types of coxsackie B virus 1-6 efficiently The PCR product was hybridized in micro-wells in which 6 type specific oligonucleotide probes had been coated respectively, colorimetric detection was performed to discriminate the types of coxsackie B virus Results This method was shown to be concordant with the IgM ELISA, 717% of anti-coxsackie B positive cases could be detected by RT-PCRConclusion The RT-PCR method can type coxsackie B virus efficiently and provides a tool for clinical diagnosis and epidemiological investigation
出处 《中华实验和临床病毒学杂志》 CAS CSCD 北大核心 2004年第3期291-293,共3页 Chinese Journal of Experimental and Clinical Virology
关键词 CVB 柯萨奇B组病毒 逆转录PCR 分型诊断 微孔板 杂交法 扩增 核酸探针 包被 PCR引物 Polymerase chain reaction Enterovirus B, human Diagnosis, differential
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共引文献8

同被引文献72

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