To evaluate the correlation of the expression of Fas and Fas ligand(FasL) in the hepatocytes and peripheral blood lymphocytes(PBLs) with chronic hepatitis B(CHB) to the level of HBV replication and the degree of inflammation of the liver tissues.

• 探讨慢性乙型肝炎患者肝细胞及外周血淋巴细胞上Fas、FasL的表达与乙型肝炎病毒(HBV)复制水平及肝组织炎症程度的关系。