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NONSPECIFIC IGG CONCENTRATION INTERFERES WITH DETECTION OF ANTI-HCV ANTIBODY BY EIA
Author(s): 
Pages: 44-46,62
Year: Issue:  4
Journal: JOURNAL OF TIANJIN INSTITUTE OF LIGHT INDUSTRY

Keyword:  非特异性IgG抗-HCV抗体假阳性酶 免疫分析法;
Abstract: 用酶免疫分析法(EIA)研究了人血清非特异性IgG 在抗-HCV抗体检测中的干扰作用.结果显示:随着正常健康人血清标本(阴性血清)中I gG量的增加,其OD值随之增高,当标本中的IgG含量增加至一定值时即产生假阳性结果.此结果表明非特异性IgG与支持材料(酶标板)非特异性结合可造成对EIA实验结果的干扰作用.这就解释了一些学者报导类风湿性关节炎、自身免疫性肝病、高血清免疫球蛋白血症等患者用EIA法检测抗-HCV时易出现假阳性的原因.
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