Objective:To investigate the relationship between the hepatitis B virus (HBV) DNA level of chronic hepatitis B patients and Th1/Th2.Methods:Based on the level of HBV DNA, 135 CHB patients were divided into two groups, high level group (the level of HBV DNA 1×106-1×107 copies/mL), and low level group (the level of HBV DNA 1×104-1×105 copies/mL), with 56 and 79 patients, respectively. In addition, 45 healthy volunteers were recruited as control group. Furthermore, index of liver function were compared between these three groups, containing glutamic-pyruvic transaminase (ALT), glutamic oxalacetictransaminase (AST), alkaline phosphatase (ALP), markers of HBV, including HBsAg, HBeAg, Anti-HBe, Th1 and Th2 by using flow cytometry.Results:ALT, AST and ALP were significantly different between two groups (P0.05). There was a negative relationship between HBV DNA level and Th1, Th1/Th2r=-0.391, -0.228,P0.05).Conclusions:Th1/Th2 is imbalanced in chronic hepatitis B patients, displaying low level of Th1/Th2, which is related to level of virus copies.
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