HBsAg定量及Toll样受体对α干扰素治疗慢乙肝疗效预测作用的初步研究
[Abstract]:Objective: to investigate the predictive effect of quantitative changes of HBsAg on interferon alpha (IFN 伪) therapy in patients with HBeAg positive chronic hepatitis B (CHB). Methods: from January 2008 to July 2012, 70 CHB patients were treated with IFN 伪 -1b (5MUB, 3 times a week, subcutaneous injection) for 48 weeks. The levels of HBsAg,HBV DNA and serum ALT were quantitatively detected before treatment and at 12: 24 ~ 36 ~ 48 weeks after treatment. The patients were divided into response group (responders,Rs) and non-responsive group (nonresponders,NRs) according to the relevant indicators. To analyze the relationship between the changes of HBsAg level and the response to treatment before and during treatment. The data were expressed as mean 卤standard deviation (x 卤s). The receiver's working characteristics (receiveroperating characteristic,ROC) curve was used to evaluate the predictive effect of HBsAg level on the response of patients to treatment. Results: 14 out of 70 patients (20%) received complete virological response. At the end of treatment, the average concentration of serum HBsAg decreased significantly (P0. 001), and the level of HBV DNA at the end of treatment was significantly different from that before treatment (P0. 011). From the 12th week of treatment, the total HBV DNA content was positively correlated with HBsAg (r = 0.242 ~ (0.576) ~ 0.640 ~ (0.569); P0.05). From 24 weeks after treatment, the quantitative difference of HBsAg between the two groups was statistically significant, while at 36 weeks and 48 weeks of treatment, the difference of HBV DNA content between the two groups was statistically significant. At 24 weeks after treatment, the positive predictive value of response (positivepredictive value,PPV) of HBsAg was lower than that of 6109.01IU/ml (37.5%), and the negative predictive value (negative predictivevalue,NPV) was 94.7g. ROC curve was used to evaluate the predictive effect of HBsAg level on the response of patients to treatment. The area under ROC curve was 0.816 at 24 weeks after treatment. Conclusion: the response of HBeAg positive CHB patients treated with IFN 伪 -1b is closely related to the decrease of serum HBsAg level. The quantitative value of serum HBsAg may be an important index to predict the response at 24 weeks after treatment. Aim: to investigate the relationship between the expression of Toll like receptor (Toll-like receptor,TLR) and the response to interferon 伪 (IFN 伪) in patients with chronic hepatitis B (Chronic hepatitis). Methods: the mRNA expression of 10 kinds of TLR in peripheral blood monocytes of 28 patients with CHB were detected by real-time fluorescence quantitative PCR before interferon alpha treatment, and the relationship between mRNA expression and virological response was analyzed. Results: the expression of TLR2,TLR3,TLR5,TLR6 mRNA in peripheral blood monocytes of patients with chronic hepatitis B before treatment with interferon 伪 was significantly higher than that in healthy controls (P 0. 004, P 0. 001, P 0. 006, P 0. 003). The expression of TLR3mRNA in peripheral blood monocytes in early virological response group was significantly higher than that in non-response group (P0. 001). Conclusion: the expression of TLR mRNA in peripheral blood monocytes of patients with chronic hepatitis B is different from that of healthy controls, and the expression of TLR3mRNA in peripheral blood monocytes of patients with chronic hepatitis B before treatment is different from that of patients with chronic hepatitis B treated with interferon 伪. It may have some predictive effect on the treatment of chronic hepatitis B with interferon alpha.
【学位授予单位】:重庆医科大学
【学位级别】:硕士
【学位授予年份】:2013
【分类号】:R512.62
【共引文献】
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7 王颖君;树
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