[The influence to the function of cellular immunity after being infected by HBV in the PBMC in chronic hepatitis B].

ABSTRACT

In this study, HBV DNA was detected by PCR from PBMC of chronic hepatitis B. A total number of 54 cases were positive and 71 cases were negative. When detecting the competence of NK cells, the subgroup of T cells the ratio of CD4/CD8, the concentration of sIL-2R in three groups, and between the two CHB groups and a normal control group, the differences between HBV DNA positive group and HBV DNA negative group and between HBVDNA positive group and the normal control group were all dramatically significant (P < 0.01). We also found that a lineal correlation of the competence of NK cells, the ratio of CD4/CD8 and the concentration of sIL-2R(P < 0.01) in the positive group, whereas in the negative group only the ratio of CD4/CD8 was consistent with the concentration of sIL-2R(P < 0.01), and the competence of NK cells did not decrease obviously. The results indicated that it was the infection of HBV in PBMC which caused the disorder of the function of cellular immunity. This finding helped us to explain the pathogenesis of hepatitis B. It could also lay a theoretical ground for the prevention and the treatment of hepatitis B.