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  • Title: [Sequential analyses of circulating HBV specific T helper cell response in chronic hepatitis B patients receiving antiviral treatment].
    Author: Wang M, Zhang LX, Luo SQ, Xu DP, Zhu CL, Tang ZR, Wang FS.
    Journal: Zhonghua Shi Yan He Lin Chuang Bing Du Xue Za Zhi; 2005 Dec; 19(4):387-90. PubMed ID: 16416002.
    Abstract:
    BACKGROUND: To investigate the frequency of circulating HBV specific T helper cell and evaluate its association with serum levels of HBV DNA before and during lamivudine treatment in patients with chronic hepatitis B. METHODS: The frequency of circulating HBV specific T helper cells in response to HBcAg in 25 chronic HBV-infected patients was determined by Elispot assay; serum HBV DNA was quantitated by real-time PCR. RESULTS: The frequency of HBV specific T helper cell before antiviral treatment (47.30 +/- 25.50 SFCs /1 x 10(6) PBMC) was significantly higher than that at the third month of therapy (23.10 +/- 18.45 SFCs /1 x 10(6) PBMC, P < 0.05). All 8 patients observed dynamically had decreased frequency of HBV specific T helper cell at the third month of therapy; six patients with serum HBV DNA level reduced had higher frequency of HBV specific T helper cell before treatment than 2 patients without serum HBV DNA level decrease. CONCLUSION: HBV specific T helper cell response at the time of hepatitis flare in chronic hepatitis B patients was significantly augmented compared to that at the time of catabasis.
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