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中华实验和临床感染病杂志(电子版) ›› 2023, Vol. 17 ›› Issue (05) : 324 -332. doi: 10.3877/cma.j.issn.1674-1358.2023.05.006

论著

乙型肝炎病毒逆转录酶区耐药突变对血清乙型肝炎病毒表面抗原水平的影响
张小曼, 马筱秋, 许正锯, 张纯瑜, 何彩婷()   
  1. 362000 泉州市,联勤保障部队第九一〇医院感染科
    362000 泉州市,联勤保障部队第九一〇医院体检中心
  • 收稿日期:2023-02-03 出版日期:2023-10-15
  • 通信作者: 何彩婷
  • 基金资助:
    泉州市科技计划项目(No. 2018N135S)

Effect of drug-resistant mutations in reverse transcriptase region of hepatitis B virus on the level of serum hepatitis B surface antigen

Xiaoman Zhang, Xiaoqiu Ma, Zhengju Xu, Chunyu Zhang, Caiting He()   

  1. Infectious Diseases Department, the 910th Joint Logistic Support Unit of the People’s Liberation Army of China, Quanzhou 362000, China
    Department of Health Medicine, the 910th Joint Logistic Support Unit of the People’s Liberation Army of China, Quanzhou 362000, China
  • Received:2023-02-03 Published:2023-10-15
  • Corresponding author: Caiting He
引用本文:

张小曼, 马筱秋, 许正锯, 张纯瑜, 何彩婷. 乙型肝炎病毒逆转录酶区耐药突变对血清乙型肝炎病毒表面抗原水平的影响[J]. 中华实验和临床感染病杂志(电子版), 2023, 17(05): 324-332.

Xiaoman Zhang, Xiaoqiu Ma, Zhengju Xu, Chunyu Zhang, Caiting He. Effect of drug-resistant mutations in reverse transcriptase region of hepatitis B virus on the level of serum hepatitis B surface antigen[J]. Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition), 2023, 17(05): 324-332.

目的

探讨乙型肝炎病毒(HBV)逆转录酶区(RT)耐药突变对血清HBV表面抗原(HBsAg)水平的影响。

方法

采用聚合酶链反应(PCR)产物直接测序法分析2016年1月至2021年12月于联勤保障部队第九一〇医院感染科接受核苷(酸)类药物(NAs)治疗的402例慢性乙型肝炎(CHB)患者RT区序列,根据RT区耐药突变情况分为HBV RT野生组(181例)和HBV RT耐药突变组(221例,其中A181突变患者33例、V191突变患者15例、L180 + M204V突变患者82例、M204I突变患者91例)。采用非参数秩和检验(Mann-Whitney U)探讨血清HBsAg水平的影响因素及HBV RT区耐药突变对血清HBsAg水平的影响;采用Spearman相关性分析探讨HBV RT耐药突变组血清HBsAg与HBV DNA相关性。

结果

入组402例CHB病例中,HBV RT野生组患者血清HBsAg、丙氨酸氨基转移酶(ALT)、天门冬氨酸氨基转移酶(AST)B型基因所占比例显著高于HBV RT耐药突变组,差异均有统计学意义(Z =-3.426、P = 0.001,Z =-2.347、P = 0.019,Z =-2.532、P = 0.011,Z =-10.387、P = 0.001)。HBV RT耐药突变组患者中,A181突变组、V191突变组、L180 + M204V突变组、M204I耐药突变组血清HBsAg水平均显著低于HBV RT野生组(Z = 2.475、P = 0.013,Z = 2.148、P = 0.032,Z = 2.115、P = 0.034,Z = 2.449、P = 0.014)。HBV DNA水平在各突变组间两两比较差异均无统计学意义(P均> 0.05)。血清HBsAg水平与HBV DNA载量在A181突变组、L180M + M204V突变组和M204I突变组中均呈显著正相关性(r = 0.486、P = 0.004,r = 0.578、P < 0.001,r = 0.369、P < 0.001)。

结论

HBV RT区A181、V191、L180及M204V位点突变显著降低了CHB患者血清HBsAg水平。

Objective

To investigate the effect of drug-resistant mutations in the reverse transcriptase region (RT) of hepatitis B virus (HBV) on serum hepatitis B surface antigen (HBsAg) level.

Methods

HBV DNA RT region was sequenced from 402 patients with chronic hepatitis B (CHB) who received nucleos(t)ide analogues drug treatment in Infectious Diseases Department of the 910th Joint Logistic Support Unit of the People’s Liberation Army of China from January 2016 to December 2021 by direct sequencing. According to the resistance mutation in RT region, the patients were divided into HBV RT wild group (181 cases) and HBV RT resistant mutation group (221 cases, including 33 cases with A181 mutation, 15 cases with V191 mutation, 82 cases with L180 + M204V mutation and 91 cases with M204I mutation). The influence factors of serum HBsAg level and the impact of HBV RT region resistance mutations on serum HBsAg level were analyzed by non parametric rank sum test (Mann Whitney U). The correlation between serum HBsAg level and HBV DNA in HBV RT resistant mutation group was explored by Spearman correlation analysis.

Results

The levels of serum HBsAg, ALT, AST and HBV genotype B infected patients in HBV RT wild group were significantly higher than those in HBV RT resistant mutation group (Z = -3.426, P = 0.001; Z =-2.347, P = 0.019; Z =-2.532, P = 0.011; Z =-10.387, P = 0.001). Among patients with HBV RT resistant mutation, serum HBsAg level in A181 mutation group, V191 mutation group, L180 + M204V mutation group, and M204I mutation group were significantly lower than those in HBV RT wild group (Z = 2.475, P = 0.013; Z = 2.148, P = 0.032; Z = 2.115, P = 0.034; Z = 2.449, P = 0.014). There was no significant difference in HBV DNA level among the mutation groups (all P > 0.05). Serum HBsAg level were significantly positively correlated with HBV DNA load in A181 mutation group, L180M + M204V mutation group and M204I mutation group (r = 0.486, P = 0.004; r = 0.578, P < 0.001; r = 0.369, P < 0.001).

Conclusion

HBV RT region drug resistance mutation in site of A181, V191, L180 and M204V had negative effect on serum HBsAg level of patients with CHB.

表1 402例CHB患者一般资料
表2 HBV RT野生组和HBV RT耐药组患者NAs治疗方式
表3 402例CHB患者血清HBsAg水平
图1 不同组患者血清HBsAg水平和HBV DNA载量注:图A~B:血清HBsAg及HBV DNA在HBV RT野生组及各突变组的水平;图C~D:HBV RT野生组、A181、L180 + M204V、M204I突变组血清HBsAg在不同HBV DNA载量、不同HBeAg状态分组中的水平
图2 HBV RT耐药突变组患者血清HBsAg水平与HBV DNA载量相关性
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