Hepatitis B virus(HBV)infection is a major cause of chronic liver diseases that may progress to liver cirrhosis and hepatocellular carcinoma.Host immune responses are important factors that determine whether HBV infec...Hepatitis B virus(HBV)infection is a major cause of chronic liver diseases that may progress to liver cirrhosis and hepatocellular carcinoma.Host immune responses are important factors that determine whether HBV infection is cleared or persists.After infection,viral replication occurs inside hepatocytes,and the secretion of infectious virions can take place at high rates for decades.Consequently,HBV DNA and viral proteins,like HBV early antigen(HBeAg)and HBV surface antigen(HBsAg),can be easily detected in serum.Chronic infection with HBV is the result of an ineffective antiviral immune response towards the virus.In this review,we discuss the role of immune cells in chronic HBV infection.展开更多
目的观察中医证型在乙型肝炎病毒相关原发性肝癌患者(hepatitis B virus related primary liver cancer,HBV-PLC)发生和进展过程中的分布情况,比较不同中医证型外周血T淋巴细胞亚群、B细胞的变化.方法收集在首都医科大学附属北京地坛医...目的观察中医证型在乙型肝炎病毒相关原发性肝癌患者(hepatitis B virus related primary liver cancer,HBV-PLC)发生和进展过程中的分布情况,比较不同中医证型外周血T淋巴细胞亚群、B细胞的变化.方法收集在首都医科大学附属北京地坛医院住院的67例HBV-PLC患者,55例乙型肝炎肝硬化患者(liver cirrhosis,LC),40例慢性乙型肝炎患者(chronic hepatitis B virus,CHB).收集3组患者一般资料、临床生化指标和中医辨证分型.采用流式方法检测3组患者外周血中CD3^+T淋巴细胞、CD4^+T、CD8^+T、CD3^-CD19^+B细胞的分布情况.结果从CHB、LC到HBV-PLC进展中气阴两虚型比例增加,肝郁脾虚型减少;在肝癌Child、Okuda、BCLC分期中早期以肝郁脾虚型为主,晚期以气阴两虚型为主.HBV-PLC中气阴两虚型患者与肝郁脾虚型比较:总胆红素、直接胆红素、凝血酶原时间、凝血酶原活动度、B细胞百分比明显升高(P<0.01),A/G、CHE、T淋巴细胞、CD8^+T细胞的计数和百分比、CD4^+T细胞计数均明显减少(P<0.05).气阴两虚型的LC和HBV-PLC与CHB患者比较,其T淋巴细胞、CD4^+、CD8^+T细胞存在不同程度的降低(P<0.05).结论随着肝癌的发生和进展,患者逐渐由肝郁脾虚型为主转为气阴两虚型为主,气阴两虚型患者肝脏功能更差,细胞免疫减弱,病情较重,预后较差.展开更多
基金This paper was supported in part by a grant from Jilin Provincial Natural Science Foundation of China(20140520014JH)The 4th young scientist fund of Jilin University(2013068)
文摘Hepatitis B virus(HBV)infection is a major cause of chronic liver diseases that may progress to liver cirrhosis and hepatocellular carcinoma.Host immune responses are important factors that determine whether HBV infection is cleared or persists.After infection,viral replication occurs inside hepatocytes,and the secretion of infectious virions can take place at high rates for decades.Consequently,HBV DNA and viral proteins,like HBV early antigen(HBeAg)and HBV surface antigen(HBsAg),can be easily detected in serum.Chronic infection with HBV is the result of an ineffective antiviral immune response towards the virus.In this review,we discuss the role of immune cells in chronic HBV infection.
文摘目的观察中医证型在乙型肝炎病毒相关原发性肝癌患者(hepatitis B virus related primary liver cancer,HBV-PLC)发生和进展过程中的分布情况,比较不同中医证型外周血T淋巴细胞亚群、B细胞的变化.方法收集在首都医科大学附属北京地坛医院住院的67例HBV-PLC患者,55例乙型肝炎肝硬化患者(liver cirrhosis,LC),40例慢性乙型肝炎患者(chronic hepatitis B virus,CHB).收集3组患者一般资料、临床生化指标和中医辨证分型.采用流式方法检测3组患者外周血中CD3^+T淋巴细胞、CD4^+T、CD8^+T、CD3^-CD19^+B细胞的分布情况.结果从CHB、LC到HBV-PLC进展中气阴两虚型比例增加,肝郁脾虚型减少;在肝癌Child、Okuda、BCLC分期中早期以肝郁脾虚型为主,晚期以气阴两虚型为主.HBV-PLC中气阴两虚型患者与肝郁脾虚型比较:总胆红素、直接胆红素、凝血酶原时间、凝血酶原活动度、B细胞百分比明显升高(P<0.01),A/G、CHE、T淋巴细胞、CD8^+T细胞的计数和百分比、CD4^+T细胞计数均明显减少(P<0.05).气阴两虚型的LC和HBV-PLC与CHB患者比较,其T淋巴细胞、CD4^+、CD8^+T细胞存在不同程度的降低(P<0.05).结论随着肝癌的发生和进展,患者逐渐由肝郁脾虚型为主转为气阴两虚型为主,气阴两虚型患者肝脏功能更差,细胞免疫减弱,病情较重,预后较差.