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%%tab-原理
分子杂交法:利用已转录的甲型肝炎病毒cDNA克隆,标记后作为探针,可与标本中的甲型肝炎病毒核酸杂交;也可以使用HAV特异性RNA作为探针进行检测;(2)RT-PCR技术:从临床标本中提取RNA,通过逆转录为cDNA,再进行PCR扩增。不但可以检测甲肝活病毒滴度,而且灭括疫苗不被扩增。
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%%tab-主要仪器
MX3000P/ABI7500
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%%tab-参考范围
阴性
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%%tab-临床意义
有肝功能异常,ALT或/和AST升高,结合流行病学资料,或有急性肝炎临床表现,并具备下列任何一项均可确诊为甲型肝炎:抗HAV-IgM阳性,可确诊为HAV近期感染;抗HAV-IgG急性期阴性,恢复期阳性;检出HAV颗粒或抗原或HAVRNA
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%%tab-样本要求
分离胶促凝管5ml全血
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%%tab-收费
200元
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%%tab-项目负责人
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[病毒学平台]
Version Date Modified Size Author Changes ... Change note
1 24-Aug-2013 07:05 0.447 kB 黄雅萍
« This page (revision-1) was last changed on 24-Aug-2013 07:05 by 黄雅萍