检验医学 ›› 2019, Vol. 34 ›› Issue (11): 994-997.DOI: 10.3969/j.issn.1673-8640.2019.11.008

• 临床应用研究·论著 • 上一篇    下一篇

慢性乙型肝炎患者HBV基因型分析及对6种核苷类药物的耐药性

高万芹1, 张勤1, 朱琳1, 吴斌2, 何文涛2, 张庭禄3, 赵长新4()   

  1. 1.连云港市第四人民医院医学检验科,江苏 连云港 222002
    2.连云港市第四人民医院肝病科,江苏 连云港 222002
    3.连云港市疾病与预防控制中心应急办公室,江苏 连云港 222002
    4.连云港市第二人民医院医学检验科,江苏 连云港 222002
  • 收稿日期:2018-11-27 出版日期:2019-11-30 发布日期:2019-12-05
  • 作者简介:null

    作者简介:高万芹,女,1975年生,学士,副主任技师,从事临床生化和分子生物学检验工作。

Analysis of genotyping and 6 nucleosides' resistance of HBV in patients with chronic hepatitis B

GAO Wanqin1, ZHANG Qin1, ZHU Lin1, WU Bin2, HE Wentao2, ZHANG Tinglu3, ZHAO Changxin4()   

  1. 1.Department of Clinical Laboratory,the Fourth People's Hospital of Lianyungang,Lianyungang 222002,Jiangsu,China
    2.Department of Liver Diseases,the Fourth People's Hospital of Lianyungang,Lianyungang 222002,Jiangsu,China
    3.Emergency Office,Lianyungang Disease Control and Prevention Center,Lianyungang 222002,Jiangsu,China
    4.Department of Clinical Laboratory,the Second People's Hospital of Lianyungang,Lianyungang 222002,Jiangsu,China
  • Received:2018-11-27 Online:2019-11-30 Published:2019-12-05

摘要:

目的 探讨本地区慢性乙型肝炎(CHB)患者乙型肝炎病毒(HBV)基因型分布特点、耐药基因变异及对6种核苷类药物的耐药情况。方法 采用实时荧光定量聚合酶链反应(PCR)、巢式PCR和Sanger测序法检测82例CHB患者HBV DNA、HBV耐药基因(HBV P区基因特异性片段)和HBV P区基因耐药相关位点突变,同时检测丙氨酸氨基转移酶(ALT)、天门冬氨酸氨基转移酶(AST)、乙型肝炎e抗原(HBeAg)、乙型肝炎e抗体(HBeAb)。结果 82例CHB患者中检出B型 HBV 25例(30.5%)、C型 HBV 51例(62.2%)、B+C混合型HBV 5例(6.1%)、未分型1例(1.2%)。B型CHB患者与C型CHB患者之间血清ALT水平、血清AST水平、血清HBV DNA载量及HBeAg、HBeAb阳性率差异均无统计学意义(P>0.05)。阿德福韦酯、替诺福韦酯的敏感率最高,均为64.63%。恩替卡韦敏感性下降者占34.15%。替比夫定耐药率为53.66%,恩曲他滨、拉米夫定耐药率均为50.0%。结论 本地区CHB患者HBV基因型以C型为主,B型次之。阿德福韦酯、替诺福韦酯的敏感性较高。

关键词: 乙型肝炎病毒, 基因型, 基因突变, 耐药性, 慢性乙型肝炎

Abstract:

Objective To investigate the distribution characteristics of hepatitis B virus(HBV) genotypes,the variation of drug resistance genes and the drug resistance of 6 nucleosides in patients with chronic hepatitis B(CHB). Methods The HBV DNA of 82 CHB patients was determined by real-time fluorescence quantitative polymerase chain reaction(PCR). The detection of HBV drug resistance gene was carried out by nested PCR to amplify the gene fragment of HBV P region. The Sanger sequencing method was used to detect the gene drug resistance site of HBV P region. Alanine aminotransferase(ALT),aspartate aminotransferase(AST),hepatitis B e antigen(HBeAg) and hepatitis B e antibody(HBeAb) were determined. Results Totally,25 cases(30.5%) of HBV type B,51 cases(62.2%) of HBV type C,5 cases(6.1%) of HBV B+C mixed type and 1 case(1.2%) of other type were detected in 82 CHB patients. There was no statistical significance in ALT,AST,HBV DNA load,HBeAg and HBeAb between type B and type C CHB patients(P>0.05). The sensitivities of adefovir dipivoxil and tenofovir dipivoxil were 64.63%,and the decreased sensitivity of entecavir accounted for 34.15%. The resistance rate of telbivudine was 53.66%,those of emtricitabine and lamivudine were 50.0%. Conclusions The main HBV genotypes of 82 patients with CHB are type C and type B. Adefovir dipivoxil and tenofovir dipivoxil have high sensitivities.

Key words: Hepatitis B virus, Genotype, Gene mutation, Drug resistance, Chronic hepatitis B

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