The large protein of the hepatitis B virus (HBV) envelope was subdivided intothe preSl region with 108-115 amino acids, the preS2 region with 55 amino acidsand the S region with 226 amino acids. It was believed that t...The large protein of the hepatitis B virus (HBV) envelope was subdivided intothe preSl region with 108-115 amino acids, the preS2 region with 55 amino acidsand the S region with 226 amino acids. It was believed that the preSl region cotainedthe hepatocyte attachment sites of the virus as well as multiple highly immunogenicT-cell and B-cell epitopes. The antibody response to the preSl peptide was also oneof the most important serological markers of HBV infection.展开更多
[目的]检测乙肝患者血清中乙肝表面抗原大蛋白(Hepatitis B Virus Large Surface Protein,LHBs)、乙肝前S1、HBV DNA,探讨LHBs用于乙肝患者临床诊断的意义。[方法]采用酶联免疫吸附实验(ELISA)检测LHBs以及乙肝前S1,采用化学发光方...[目的]检测乙肝患者血清中乙肝表面抗原大蛋白(Hepatitis B Virus Large Surface Protein,LHBs)、乙肝前S1、HBV DNA,探讨LHBs用于乙肝患者临床诊断的意义。[方法]采用酶联免疫吸附实验(ELISA)检测LHBs以及乙肝前S1,采用化学发光方法检测乙肝两对半,采用荧光定量PCR方法对患者HBV DNA进行检测。[结果](1)相同乙肝模式患者血清LHBs与HBV DNA检出率比较差异无显著性意义(P〉0.05);(2)HBeAg阳性患者血清中LHBs与HBV DNA阳性率均明显高于HBeAg阴性患者,差异有显著性意义(P〈0.05);(3)相同乙肝模式患者血清乙肝前S1的检出低于HBV DNA的检出,两者相比较差异有显著性意义(P〈0.05)。[结论]LHBs可以弥补由于乙肝病毒变异引起的HBeAg检测的不足,LHBs可以反映病毒复制。展开更多
目的探讨乙型肝炎患者血清中乙型肝炎病毒外膜大蛋白(hepatitis B virus large surface protein,LHBs)与病毒复制及肝脏受损程度的相关性。方法随机选取武汉总医院2011年3月~6月乙肝患者血清标本192例,分别采用酶联免疫吸附实验(E...目的探讨乙型肝炎患者血清中乙型肝炎病毒外膜大蛋白(hepatitis B virus large surface protein,LHBs)与病毒复制及肝脏受损程度的相关性。方法随机选取武汉总医院2011年3月~6月乙肝患者血清标本192例,分别采用酶联免疫吸附实验(ELISA)检测LHBs,乙型肝炎病毒前S1抗原(PreS1-Ag),化学发光方法定量检测乙型肝炎病毒血清学模式,实时荧光定量PCR方法检测血清HBV-DNA,全自动生化分析仪检测血清谷氨酸氨基转移酶(ALT)。按乙型肝炎病毒e抗原阴阳性不同分组,比较LHBs,HBV-DNA及PreS1-Ag阳性率差异,同时分析LHBs含量与HBsAg,HBV-DNA及ALT水平的相关性。结果HBeAg阳性乙肝患者血清中,LHBs的阳性率与HBV-DNA阳性率差异无统计学意义(χ^2=0.32,P〉0.05),LHBs的阳性率与PreS1-Ag阳性率差异有统计学意义(χ^2=23.44,P〈0.05);HBeAg阴性乙肝患者血清中,LHBs的阳性率与HBV-DNA和PreS1阳性率差异均有统计学意义(χ^2=11.73,28.55,P〈0.05);LHBs含量与HBV—DNA拷贝数和表面抗原浓度呈正相关性(r=0.905,0.801,P〈0.05);阳性组间LHBs含量与ALT指数无相关性。结论乙肝患者血清中LHBs的表达与HBV-DNA拷贝数、乙肝表面抗原浓度呈正相关,较PreS1-Ag更能反映乙肝患者病毒复制状况,尤其对HBeAg阴性患者抗病毒治疗及预后具有重要的指导意义,但不适用于判断肝细胞的受损程度。展开更多
文摘The large protein of the hepatitis B virus (HBV) envelope was subdivided intothe preSl region with 108-115 amino acids, the preS2 region with 55 amino acidsand the S region with 226 amino acids. It was believed that the preSl region cotainedthe hepatocyte attachment sites of the virus as well as multiple highly immunogenicT-cell and B-cell epitopes. The antibody response to the preSl peptide was also oneof the most important serological markers of HBV infection.
文摘目的探讨乙型肝炎患者血清中乙型肝炎病毒外膜大蛋白(hepatitis B virus large surface protein,LHBs)与病毒复制及肝脏受损程度的相关性。方法随机选取武汉总医院2011年3月~6月乙肝患者血清标本192例,分别采用酶联免疫吸附实验(ELISA)检测LHBs,乙型肝炎病毒前S1抗原(PreS1-Ag),化学发光方法定量检测乙型肝炎病毒血清学模式,实时荧光定量PCR方法检测血清HBV-DNA,全自动生化分析仪检测血清谷氨酸氨基转移酶(ALT)。按乙型肝炎病毒e抗原阴阳性不同分组,比较LHBs,HBV-DNA及PreS1-Ag阳性率差异,同时分析LHBs含量与HBsAg,HBV-DNA及ALT水平的相关性。结果HBeAg阳性乙肝患者血清中,LHBs的阳性率与HBV-DNA阳性率差异无统计学意义(χ^2=0.32,P〉0.05),LHBs的阳性率与PreS1-Ag阳性率差异有统计学意义(χ^2=23.44,P〈0.05);HBeAg阴性乙肝患者血清中,LHBs的阳性率与HBV-DNA和PreS1阳性率差异均有统计学意义(χ^2=11.73,28.55,P〈0.05);LHBs含量与HBV—DNA拷贝数和表面抗原浓度呈正相关性(r=0.905,0.801,P〈0.05);阳性组间LHBs含量与ALT指数无相关性。结论乙肝患者血清中LHBs的表达与HBV-DNA拷贝数、乙肝表面抗原浓度呈正相关,较PreS1-Ag更能反映乙肝患者病毒复制状况,尤其对HBeAg阴性患者抗病毒治疗及预后具有重要的指导意义,但不适用于判断肝细胞的受损程度。