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  • Title: [Clinical significance of intrahepatic hepatitis B core antigen (+) in patients with chronic hepatitis B].
    Author: Pan HY, Zhang YL, Chen CR, Wang J, Li BR, Lu DR, Lou GQ, Shi JP.
    Journal: Zhonghua Gan Zang Bing Za Zhi; 2007 Aug; 15(8):582-4. PubMed ID: 17711626.
    Abstract:
    OBJECTIVE: This study aimed to assess the clinical significance of intrahepatic hepatitis B core antigen (HBcAg) (+) in patients with chronic hepatitis B (CHB). METHODS: 200 CHB patients were prospectively studied using fluorescence quantitative PCR (FQ-PCR), combined PCR with fluorescence probe hybridization technique, to determine serum HBV DNA. Serum HBeAg was measured quantitatively. Liver biopsies were performed and immunohistochemistry stained liver slides were examined in all the cases. Correlation analyses were performed. RESULTS: Based on the HBV DNA levels, the patients were divided into 5 groups: group A (<3 log10 copies/ml) n=20, group B (>or=3 log10 copies/ml-<5 log10 copies/ml) n=13, group C (>or=5 log10 copies/ml-<6 log10 copies/ml) n=24, group D (>or=6 log10 copies/ml-<8 log10 copies/ml) n=116, and group E (>or=8 log10 copies/ml) n=27, and 87.5% of the CHB patients were intrahepatic HBcAg (+). The rate of HBcAg (+) was 55.0% (11/20) in group A, 53.8% (7/13) in group B, 75.0% (19/24) in group C, 96.6% (112/116) in group D, and 100% (27/27) in group E. A strong correlation was found between the rate of HBcAg (+) and the level of serum HBV DNA (r=0.80). This type of association also appeared between serum HBV DNA levels and HBeAg (+) (r=0.47). Of 20 CHB patients who were serum HBV DNA negative, 25% (5) were HBeAg (+), and 55% (11) were HBcAg (+), whereas 15 patients were both HBV DNA (-) and HBeAg (-), and 46.7% (7) were HBcAg (+). CONCLUSIONS: Intrahepatic HBcAg (+) in CHB patients might be more reliable in reflecting HBV replication. Determination of HBcAg (+) may have clinical significance for evaluating the efficacy of antiviral therapy and for predicting the therapeutic responses to different antiviral agents.
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