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Issue:
NONSPECIFIC IGG CONCENTRATION INTERFERES WITH DETECTION OF ANTI-HCV ANTIBODY BY EIA
Author(s):
TONG Hui-chun
,
LI Qiu-xiang
,
WANG Qi-ming
,
LI Dong-tian
Pages:
44
-
46,62
Year:
2000
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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