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放射免疫或酶标免疫分析俭测B型肝炎表面抗原(HBsAg)最灵敏。然而这些技术不能在所有B型肝炎病毒(HBN)感染的病例中检测出HBsAg。检测出HBsAg并不表示在所有情况下宿主都处于感染状态。HBsAg代表HBN的蛋白壳。已经证实,含有抗B型肝炎核心抗原的抗体(anti—HBe),而没有HBsAg的血清仍有传染性。e抗原的发现和病毒去氧核糖核酸(DNA)聚合酶的存在似乎与其传染性及向慢性肝病发展的趋势有关。而抗B型肝炎e抗原的
Radioimmunoassay or enzyme-linked immunosorbent assay to detect hepatitis B surface antigen (HBsAg) the most sensitive. However, these techniques do not detect HBsAg in all cases of Hepatitis B virus (HBN) infection. Detection of HBsAg does not mean that in all cases the host is infected. HBsAg represents the protein shell of HBN. Antibodies containing anti-hepatitis B core antigen (anti-HBe) have been demonstrated, while sera without HBsAg remain infectious. The discovery of e antigen and the presence of viral DNA polymerase appear to be linked to its tendency to develop infectious and chronic liver disease. While anti-hepatitis B e antigen