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机构地区:[1]华中科技大学同济医学院附属协和医院,武汉430022
出 处:《临床消化病杂志》2007年第4期221-223,共3页Chinese Journal of Clinical Gastroenterology
摘 要:目的传统乙肝血清标志物是目前我国用于乙肝检测与筛查较普及的指标,但传统乙肝HBV-M检测在病毒复制等一些方面尚有不足。本研究分析前S1(Pre-S1)抗原在判断乙肝病毒的感染与复制中的作用。方法HBV-M和Pre-S1抗原检测采用ELISA法;HBV DNA检测采用实时荧光定量PCR技术。结果(1)Pre-S1抗原在乙肝病毒早期感染中的作用:787例ALT正常血清中,Pre-S1抗原阳性34例,HBV-M检测HBsAg(+)2例,HBsAg(+)、HBeAg(+)1例,HBsAg(+)、HBeAg(+)、HBcAb(+)7例,HBsAg(+)、HBeAb(+)、HBcAb(+)18例,HBsAg(+)、HBcAb(+)4例,HBVDNA阳性35例,三者检出结果高度符合,无显著差异(P>0.05)。(2)Pre-S1抗原在乙肝病毒复制中的作用:816例慢性乙肝患者中,HBeAg(+)/HBeAb(-)396例,Pre-S1抗原阳性357例,HBVDNA阳性371例,阳性检出率分别为90.1%和93.6%。HBeAg(-)/HBeAb(+)285例,Pre-S1抗原阳性223例,HBVDNA阳性247例,阳性检出率分别为78.2%和86.7%。HBeAg(-)/HBeAb(-)135例,Pre-S1抗原阳性85例,HBVDNA阳性105例,阳性检出率分别为62.9%和77.7%,若以HBVDNA≥103copy/ml为判断乙肝病毒存在复制的标准,则Pre-S1抗原的检出率为79%(414/525),HBeAg(+)的检出率为32.7%(172/525);Pre-S1抗原、HBeAg(+)与HBV DNA的总符合率分别为78.8%(615/723)、45.5%(327/723),HBV DNA与Pre-S1抗原检出率差异无显著性(P>0.05),HBeAg(+)与HBVDNA检出率差异有显著性(P<0.05)。结论Pre-S1抗原是乙肝病毒早期诊断与病毒复制的重要标志。Objective Traditional hepatitis B virus marker in serum is a common index to detect hepatitis B virus in our country, but there is a lack for detecting traditional HBV-M in the copying stage of the virus. In this research ,the effect of Pre-S1 antigen in judging hepatitis B virus infected and copying was analyzed. Methods HBV-M and Pre-S1 antigen were detected with ELISA, HBV DNA with real time fluorescence quantification reaction and ALT was measured with rate metry. Results ( 1 ) There were 34 Pre-S1 antigen positive cases in 787 normal ALT cases,2 HBsAg( + ) case detected by HBV-M,1 HBsAg( + ) .HBeAg( + )cases,7 HBsAg( + ) .HBeAg( + ) .HBcAb( + ) cases,18 HBsAg( + ) .HBeAb( + ) ,HBcAb( + ) cases,4 HBsAg( + ) ,HBcAb( + )cases,35 HBV DNA( + ) cases. The results detected by the three methods were highly accordant. There was no significant diversity. (2) ( Ⅰ group) the accordance between HBeAg( + )/HBeAb( - )and Pre-S1 antigen( + ), HBeAg ( + ) and HBV DNA( + ) was separately 90. 1% and 93.6%. The accordance of ( Ⅱ group) HBeAg( - ) /HBeAb( + )and ( Ⅲ group) HBeAg ( - )/HBeAb( - ) between Pre-S1 antigen( + ) and HBV DNA( + ) was separately 78. 2% ,86.7% and 62.9% ,77.7%. Judging HBV copying in the standard of HBV DNA≥10^3 copy/ml. There was a significant diversity between Pre-S1 antigen( + ) and HBV DNA( + ) (in the standard of HBV DNA≥ 10^3 copy/ml) to HBeAg( + ) ( P 〈 0. 05 ), however there was no significant diversity between the later( P 〉 0. 05 ). Conclusion Pre-S1 antigen is an important indicate in HBV early diagnosis and HBV copying.
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