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乙肝病毒DNA和前S1抗原及其标记物三者相关性分析 被引量:3

Analysis of correlation among HBV DNA, HBV preS1 antigen and HBV markers.
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摘要 目的探讨乙肝病毒前S1抗原(PreS1)与乙肝病毒DNA(HBV DNA)、乙肝病毒标志物(HBVM)之间的相关性,为拉米夫定(Lamivudine)治疗提供新的监测指标。方法收集慢性乙型病毒性肝炎患者500例,其中HBV DNA阳性400例(拷贝数〉500/ml),按HBV—DNA含量由低到高分8组;其余为HBV DNA阴性对照100例。同步以酶联免疫吸附试验(ELISA)法检测PreS1;以电化学免疫发光法检测乙肝病毒e抗原(HBeAg)、乙肝病毒e抗体(HBeAb)、乙肝病毒表面抗原(HBsAg);以荧光定量PCR法检测HBV DNA(以HBV DNA拷贝数〉500/ml为阳性)。结果(1)在HBVDNA拷贝数500—1×10^6/ml之间,PreS1的阳性率比HBeAg高(P〈0.05);在HBV DNA拷贝数1×10%6/ml以上,二者阳性率无显著性差异(P〉0.05);(2)PreS1的灵敏度为90%(360/400),高于HBeAg的68.5%(274/400)(P〈0.05):PreS1的阴性预示值为55.6%(50/90),高于HBeAg的43.2%(96/222)(P〈0.05);PreS1的检测有效率为82.0%(410/500),高于HBeAg的64.8%(324/500)(P〈0.05)。(3)在HBV DNA拷贝数500-1×10^4/ml之间,HBsAg的阳性率比PreS1高(P〈0.05),在HBV DNA拷贝数1×10^4/ml以上,HBsAg的阳性率与PreS1的阳性率无显著性差异(P〉0.05)。在HBV DNA拷贝数500-1×10^6/ml之间,HBeAb有较高的阳性率。结论PreS1与HBV DNA具有较好的相关性,其检测灵敏度和阴性预示值、检测有效率都优于HBeAg检测。PreS1可作为拉米夫定等抗病毒药物疗效观脊指标之一。HBeAg阴性、HBeAb阳性不是传染性消失的可靠指标。 To observe the correlation of PreS1 with HBV DNA and HBV M, and provide a novel laboratory indieation for treatment of patients with lamivudine. Methods Sera from 500 chronic B hepatitis patients were collected, 400 HBV DNA positive patients (HBV DNA 〉 500 eopies/ml) were divided into 8 groups based upon DNA levels and another 100 HBV DNA negative cases were taken as control. The Pre S1 (ELISA) and HBV M (electro- luminescence) both groups were determined. Results ( 1 ) The positive rate of PreS1 was higher than that of HBeAg ( P 〈 0.05) when HBV DNA level in sera varied from 500 to 1×10^6 copies/ml, and the PreSlwas highly correlated with HBV DNA. while there is no significant differences between the positive rates of PreS1 and HBeAg when HBV DNA 〉 1×10^6 copies/ml ( P 〉 0.05) ; (2)the sensitivity, negative predictive value (PV - ) and effieieney in determined of preS1 in patients were 90% (360/400), 55.6% (50/90)and 82.0% (410/500) ,respectively higher than the sensitivity 68.5% (274/400), PV- 43.2% (96/222) and efficiency 64.8% (324/500) in determination of HBeAg ( P 〈 0. 05) ; (3)When HBV DNA level in sera ehanged from 500 to 1×10^4 eopies/ml, the presence of HBsAg was higher than that of PreS1 (P 〈 0.05). No signifieant differeneas between the positive rates of PreS1 and HBsAg were observed when HBV DNA 〉 1× 10^4 eopies/ml (P 〉 0.05). Coneluslon Serum PreS1 closely correlates with HBV DNA and PreS1 is more sensitive and efficient than HBeAg. And serum PreS1 indicates a novel laboratory marker for antiviral drug therapy such as Lamivudine.
出处 《中国热带医学》 CAS 2006年第1期36-38,共3页 China Tropical Medicine
关键词 乙肝病毒前S1抗原 乙肝病毒标志物 乙肝病毒DNA 拉米夫定 Hepatitis B virus HBV DNA Hepatitis B Vires preS1 Protein Hepatic B virus e antigens Hepatic B vires surface antigens Lamivudine
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