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重组人类T淋巴细胞白血病病毒抗原及双抗原夹心法ELISA抗体诊断试剂盒的研制
Authors
吴婷
夏宁邵
+6 more
张军
彭耿
徐颖潇
林长青
王颖彬
罗文新
Publication date
30 June 2004
Publisher
Abstract
为研制灵敏、特异的抗人类T淋巴细胞白血病病毒(HTLV)抗体诊断试剂,将一段HTLV Ⅰ和HTLV Ⅱenv区嵌合基因在大肠杆菌中表达,获得的重组抗原具有良好活性。将该抗原作为酶标记抗原建立双抗原夹心法ELISA(dsELISA),对31份HTLV Ⅰ型血清和19份HTLV Ⅱ型血清均能100%检出,而在5065份各种阴性血清中特异度为99 94%。用dsELISA试剂与进口间接法试剂(GeneLabs试剂)平行检测18份HTLV Ⅰ参比血清、17份HTLV Ⅱ参比血清和1024份献血员血清,结果dsELISA试剂正确率为100%,对HTLV Ⅰ型血清和HTLV Ⅱ型血清的反应性基本相同,平均s/co值显著高于GeneLabs试剂。而GeneLabs试剂对HTLV Ⅱ型血清的反应性显著弱于Ⅰ型,并有2份BBI参比血清中的Ⅱ型血清漏检。另外,GeneLabs试剂在献血员血清中出现9例假阳性,特异性显著低于dsELISA试剂。这些结果表明:所研制的dsELISA试剂可用于HTLV Ⅰ型和Ⅱ型血清的检测,其灵敏度和特异度均优于进口间接法诊断试剂
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Last time updated on 16/06/2016