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中华实验和临床感染病杂志(电子版) ›› 2018, Vol. 12 ›› Issue (06) : 585 -589. doi: 10.3877/cma.j.issn.1674-1358.2018.06.012

所属专题: 文献

论著

慢性乙型肝炎患者不同免疫状态下外周血T淋巴细胞程序性死亡受体1表达与乙型肝炎病毒DNA载量及丙氨酸氨基转移酶水平的相关性
赵海珍1,(), 其其格1, 刘瑞军1, 奥敦托亚1   
  1. 1. 010050 呼和浩特市,内蒙古医科大学附属医院感染科
  • 收稿日期:2018-04-24 出版日期:2018-12-15
  • 通信作者: 赵海珍
  • 基金资助:
    2017年内蒙古自治区卫生和计划生育委员会科研计划项目(No. 201703110)

The relationship among programmed death receptor 1 expression of peripheral blood T lymphocytes, hepatitis B virus DNA load and alanine aminotransferase level in chronic hepatitis B patients under different immune status

Haizhen Zhao1,(), Ge Qiqi1, Ruijun Liu1, Duntuoya Ao1   

  1. 1. Department of Infectious Diseases, the Affiliated Hospital of Inner Mongolia Medical University, Huhhot 010050, China
  • Received:2018-04-24 Published:2018-12-15
  • Corresponding author: Haizhen Zhao
  • About author:
    Corresponding author: Zhao Haizhen, Email:
引用本文:

赵海珍, 其其格, 刘瑞军, 奥敦托亚. 慢性乙型肝炎患者不同免疫状态下外周血T淋巴细胞程序性死亡受体1表达与乙型肝炎病毒DNA载量及丙氨酸氨基转移酶水平的相关性[J]. 中华实验和临床感染病杂志(电子版), 2018, 12(06): 585-589.

Haizhen Zhao, Ge Qiqi, Ruijun Liu, Duntuoya Ao. The relationship among programmed death receptor 1 expression of peripheral blood T lymphocytes, hepatitis B virus DNA load and alanine aminotransferase level in chronic hepatitis B patients under different immune status[J]. Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition), 2018, 12(06): 585-589.

目的

探讨慢性乙型肝炎(CHB)患者不同免疫状态下外周血T淋巴细胞程序性死亡受体1(PD-1)表达与乙型肝炎病毒(HBV)DNA载量及丙氨酸氨基转移酶(ALT)水平的相关性。

方法

选取2017年1月至2018年3月于内蒙古医科大学附属医院接受治疗的CHB患者118例,依据患者不同免疫状态分成3组,分别为HBV e抗原(HBeAg)阴性组(25例)、免疫活化组(67例)和免疫耐受组(26例);同时选取同期在本院健康体检者50例作为对照组。全自动生化分析仪检测肝功能,ELISA法检测HBV核心抗体(HBcAb)、HBV表面抗原(HBsAg)、HBV e抗体(HBeAb)、HBeAg和HBV表面抗体(HBsAb)含量,荧光定量PCR检测患者HBV DNA载量,流式细胞仪检测血清表达PD-1的CD8+ T、CD4+ T淋巴细胞含量。

结果

免疫活化组、HBeAg阴性组患者血清表达PD-1的CD8+ T、CD4+ T含量分别为(7.48 ± 1.76)%、(7.48 ± 1.76)%和(10.58 ± 1.95)%、(8.38 ± 1.85)%,均高于对照组[(3.22 ± 1.53)%、(4.05 ± 1.76)%]和免疫耐受组[(4.26 ± 1.89)%、(3.86 ± 1.89)%],差异均有统计学意义(F = 12.084、P = 0.015,F = 13.297、P = 0.032);免疫活化组、HBeAg阴性组患者HBV DNA载量分别为(7.02 ± 1.13)log10拷贝/ml和(5.77 ± 1.25)log10拷贝/ml,低于免疫耐受组患者(8.18 ± 1.08)log10拷贝/ml,差异有统计学意义(F = 11.652、P = 0.006);免疫活化组、HBeAg阴性组患者血清ALT、总胆红素含量分别为(193.02 ± 7.39)IU/ml、(50.06 ± 2.18)mmol/L和(179.14 ± 7.62)IU/ml、(43.65 ± 2.27)mmol/L,均高于对照组[(12.71 ± 6.19)IU/ml、(13.07 ± 2.19)mmol/L]和免疫耐受组[(23.19 ± 6.82)IU/ml、(16.54 ± 2.30)mmol/L],差异均有统计学意义(F = 10.906、P = 0.027,F = 9.583、P = 0.019);Pearson相关分析显示,免疫耐受组、免疫活化组及HBeAg阴性组患者血清内表达PD-1的CD8+ T、CD4+ T含量和血清ALT含量无相关性(r =-0.170、0.046、0.068、-0.231、0.048、0.005,P = 0.443、0.750、0.761、0.292、0.709、0.912),与血清HBV DNA载量亦无相关性(r = -0.049、0.107、0.104、-0.301、0.019、0.279,P = 0.810、0.440、0.681、0.201、0.883、0.221)。

结论

CHB患者机体免疫状态和血清内T细胞PD-1表达量相关,患者肝脏炎症受损对PD-1表达有重要影响,而HBV DNA载量非主要影响因素。

Objective

To investigate the relationship among the expression of programmed death receptor 1 (PD-1) in peripheral blood T lymphocytes in patients with chronic hepatitis B (CHB), hepatitis B virus (HBV) DNA load and the amount of alanine aminotransferase (ALT) level.

Methods

From January 2017 to March 2018, a total of 118 patients with CHB who were treated in the Affiliated Hospital of Inner Mongolia Medical University were divided into three groups according to different immune status, which were hepatitis B antigen (HBeAg) negative group (25 cases), immune activation group (67 cases) and immune tolerance group (26 cases); while 50 healthy physical examination persons in our hospital were selected as control group. Liver function was detected by automatic biochemical analyzer, HBV core antibody (HBcAb), HBV surface antigen (HBsAg), hepatitis B e antibody (HBeAb), HBeAg and hepatitis B surface antibody (HBsAb) were detected by ELISA, and HBV DNA load was detected by fluorescence quantitative PCR. The expression of PD-1, CD8+ T and CD4+ T lymphocytes in serum were detected by flow cytometry.

Results

In patients of immune activated group and HBeAg negative group, the expression of PD-1 CD8+ T and CD4+ T lymphocytes in serum were (7.48 ± 1.76)%, (7.48 ± 1.76)% and (10.58 ± 1.95)%, (8.38 ± 1.85)%, respectively, all significantly higher than those of control group [(3.22 ± 1.53)% and (4.05 ± 1.76)%] and immune tolerance group [(4.26 ± 1.89)% and (3.86 ± 1.89)%], with significant differences (F = 12.084, P = 0.015; F = 13.297, P = 0.032). The HBV DNA load was (7.02 ± 1.13) log10 copies/ml in immune activation group and (5.77 ± 1.25) log10 copies/ml in HBeAg negative group, significantly lower than that of the immune tolerance group [(8.18 ± 1.08) log10 copies/ml], with significant difference (F = 11.652, P = 0.006). The levels of serum ALT and total bilirubin in immune activated group and HBeAg negative group were (193.02 ± 7.39) IU/ml, (50.06 ± 2.18) mmol/L and (179.14 ± 7.62) IU/ml, (43.65 ± 2.27) mmol/L, respectively, all signifcantly higher than those of the control group [(12.71 ± 6.19) IU/ml and (13.07 ± 2.19) mmol/L] and immune tolerance group [(23.19 ± 6.82) IU/ml] and (16.54 ± 2.30) mmol/L, with significant differences (F = 10.906, P = 0.027; F = 9.583, P = 0.019). Pearson correlation analysis showed that there was no correlation between the levels of CD8+ T, CD4+ T of PD-1 in serum and the level of ALT in patients of immune tolerance group, immune activation group and HBeAg negative group (r =-0.170, 0.046, 0.068, -0.231, 0.048, 0.005; P = 0.443, 0.750, 0.761, 0.292, 0.709, 0.912), and no correlation with serum HBV DNA load (r =-0.049, 0.107, 0.104, -0.301, 0.019, 0.279; P = 0.810, 0.440, 0.681, 0.201, 0.883, 0.221).

Conclusions

There were correlation between the immune status of CHB patients and the PD-1 expression on the surface of T cells in serum. The damage of liver inflammation has an important effect on the expression of PD-1, but HBV DNA load is not the main factor.

表1 各组CHB患者的临床资料
表2 各组CHB患者HBV DNA载量及表达PD-1 T淋巴细胞比例(±s
表3 各组CHB患者的主要肝功能指标(±s
表4 各组CHB患者PD-1 CD8+ T、PD-1 CD4+ T与HBV DNA载量、ALT含量相关性
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