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《Acta Universitatis Medicinalis Anhui》 2006-01
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Determination and study of the relationship between the Pre-S1 antigen and HBV DNA

Guan Shihe, Fang Youbing, Huang Zhengyan, et al (The Laboratory Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei 230022)  
Objective To investigate the situation of expression of Pre-S1 antigen in serum of chronic hepatitis B patients and the effect of these markers on HBV replication. Methods ELISA was used to analyze these serum markers of HBV in 585 chronic hepatitis B patients who were included in this study. HBV DNA was determined by quantitative PCR assay. The relationship of Pre-S1 antigen, HBeAg and the HBV replication was also analyzed, simultaneously. Results The total positive rate of Pre-S1 antigen in these patients was 30.1%, and the HBeAg was just 20.7%, while the HBV DNA reached 43.2%. The positive rate of HBV DNA reached 94.1% in 258 case patients with Pre-S1 antigen (+). Further, we found that there was a significant difference of positive rate between Pre-S1 antigen and HBeAg in 371 case HBV DNA (+) patients. Conclusion Pre-S1 is more sensitive than HBeAg to reflect the HBV replication in chronic hepatitis B patients, but the sensitivity is not more than HBV DNA. Pre-S1 antigen should be regarded as an important marker for HBV replication in clinical diagnosis and therapy.
【CateGory Index】: R446.61;R450
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