Comparison and significance of specific and non-specific cellular immunity in patients with chronic hepatitis B caused by infection with genotypes B or C of hepatitis B virus |
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Authors: | XiBing Gu XiaoJuan Yang Dong Wang Zhong Hua HangYuan Wu HaoKun Chen YueQin Xu ZhongHua Lu |
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Institution: | Wuxi Hospital for Infectious Diseases, Wuxi 214005, China |
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Abstract: | The present study was designed to investigate possible relationships between the genotypes of hepa-titis B virus (HBV) and the HBV-specific cytotoxic T lymphocyte (CTL) responses. HBV genotypes, HBV specific CTL HBV DNA and other markers of HBV infection were determined in 138 patients with chronic hepatitis B. The results showed that the patients infected with genotype C (n=62) had a significantly lower HBV-specific CTL response than those who were infected with HBV genotype B (P<0.01). HBV DNA titer was higher in patients infected with HBV genotype C than in those infected with HBV geno-type B (P<0.01). Both alanine aminotransferase (ALT) and total bilirubin (TBIL) were higher in HBV genotype C infected patients than in those infected with genotype B (P<0.01 and <0.05, respectively). These results suggest that compared with CHB patients infected with HBV genotype B, the higher HBV DNA level and more severe liver damages in the patients infected with genotype C of HBV may be as-sociated with genotype C of the virus. |
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Keywords: | chronic hepatitis B hepatitis B virus (HBV) genotypes specific cytotoxic T lymphocyte |
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