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This page (revision-1) was last changed on 24-Aug-2013 06:52 by 黄雅萍

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%%tab-原理
采用间接法ELISA检测人血清中的EB病毒VCA IgA抗体。包被抗原为基因工程表达的EB病毒 VCA抗原,以酶标记抗人IgA作为第二抗体,与底物反应后,用底物液显色。通过酶标仪检测O.D值,判定样品中EB病毒VCA IgA抗体的存在与否。
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%%tab-主要仪器
BIO-RAD 1575洗板机、ELX800酶标仪
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%%tab-参考范围
阴性
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%%tab-临床意义
鼻咽癌患者一般检测EB病毒的VCA-IGA抗体,因为VCA抗原具有很强的免疫原性。抗VCA-IgA测定呈阳性,阳性率可达90%以上。抗体水平随着病情发展和恢复而变化。故抗VCA-IgA的测定对鼻咽癌的诊断、病情监测、预报复发有重要意义。但尚有7-10%的鼻咽癌病人结果为阴性。
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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
50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 06:52 0.454 kB 黄雅萍
« This page (revision-1) was last changed on 24-Aug-2013 06:52 by 黄雅萍