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目的探讨乙型肝炎病毒与前S1抗原的相关性。方法采用ELISA检测296例乙型肝炎病毒感染者血清中的前S1抗原。结果在55例HBeAg阳性标本中前S1抗原阳性的47例,阳性率85.4%;178例HBeAg阴性而抗HBeAb阳性的标本中前S1抗原阳性的115例,阳性率64.6.0%;63例HBeAg和抗HBe均阴性的血清中前S1抗原阳性仅39例,阳性率61.9%;前S1抗原在血清学表达上与HBeAg的阳性符合率高达85.4%。结论乙型肝炎病毒前S1抗原与HBeAg阳性高度相关,血清前S1抗原是乙肝病毒在体内复制的可靠标志。
Objective To investigate the relationship between hepatitis B virus and pre-S1 antigen. Methods Serum pre-S1 antigen was detected by ELISA in 296 patients with hepatitis B virus infection. Results The positive rate of preS1 antigen in 55 cases of HBeAg positive specimens was 85.4%. The positive rate of the preS1 antigen in 178 specimens of HBeAg negative and HBeAb positive specimens was 64.6%. The positive rate of 63 HBeAg The positive rate of preS1 antigen in the serum that was both negative and anti HBe was only 39.9%. The coincidence rate of preS1 antigen and HBeAg in serology was as high as 85.4%. Conclusion Pre-S1 antigen of Hepatitis B virus is highly correlated with HBeAg positive, and pre-S1 antigen is a reliable marker of hepatitis B virus replication in vivo.