HLA-DRB1*1101和HLA-DRB1*1201基因与乙肝疫苗无、弱应答及HBsAg阳性的关系
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摘要
目的:无、弱应答是乙肝预防中的一个重要问题,弄清乙肝疫苗接种后无、弱应答及HBsAg感染的发生原因及其影响因素,对提高乙肝疫苗的免疫效果具有十分重要的意义。本研究尝试探讨HLA-DRB1*1101、HLA-DRB1*1201基因与乙肝疫苗接种后无、弱应答及HBsAg感染之间的关系,为探索乙肝疫苗接种后无、弱应答及HBsAg感染的发生机制提供依据。
     方法:选取全程接种乙肝疫苗后幼儿园在托幼儿无、弱应答者75人作为病例组, 485人有应答者作为对照组进行病例对照研究,对研究对象进行资料调查,并应用PCR-SSP技术检测研究对象的HLA-DRB1*1101基因和HLA-DRB1*1201基因。采用SPSS13.0软件对获取的研究数据进行单因素分析以及多因素非条件logistic回归分析。
     另选取在托幼儿中HBsAg阳性37人作为病例组, HBsAg阴性幼儿591人作为对照组进行病例对照研究,对研究对象进行资料调查,并应用PCR-SSP技术检测研究对象的HLA-DRB1*1101基因和HLA-DRB1*1201基因。采用SPSS13.0软件对获取的研究数据进行单因素分析以及多因素非条件logistic回归分析。
     结果单因素分析发现,与无、弱应答相关的因素为剂量10ug(OR=0.265, 95%CI 0.141~0.498 )。单因素分析还发现,携带HLA-DRB1*1201基因发生无、弱应答的风险为不携带此基因的6.037倍(95%CI 2.412~15.114);多因素非条件logistic回归分析,最终进入模型的有HLA-DRB1*1201基因(OR=4.612, 95%CI 1.55~13.726)和剂量10ug(OR=0.283, 95%CI 0.149~0.539 )。
     单因素分析发现,与HBsAg感染相关的因素为抗-HBs(OR=0.128, 95%CI 0.064~0.256)、剂量10ug(OR=0.274, 95%CI 0.098~0.767);多因素非条件logistic回归分析,最终进入模型的是抗-HBs(OR=0.052, 95%CI 0.009~0.291)和HLA-DRB1*1101基因(OR=29.000 95%CI 1.803~466.413)。
     结论:无、弱应答者的发生与HLA-DRB1*1201基因和剂量有关,HLA-DRB1*1201基因型容易导致乙肝疫苗无、弱应答。
     HBsAg感染和HLA- DRB1*1101基因型和抗-HBsAb相关,HLA- DRB1*1101基因型容易导致HBsAg感染。
Objective: To primarily confirm the association between HBsAg infection, HLA-DRB1*1101, HLA-DQB1*1201 in combination with the non-or poor hyporesponsse to hepatitis B vaccine.
     Methods : A study which included 75 non-or poor hyporesponders and 485 responders from 653 children who were subjected to a standard course of immunization with recombinant hepatitits B virus vaccine. All subjects were study with their health investigated file. Genes HLA-DRB1*1101 and HLA-DRB1*1201 were detected with ploymerse chain reaction-sequence specific primes(PCR-SSP). The data were analysed by SPSS 13.0 software.
     A study about 628 children which included 37 HBsAg positive children. All subjects were subjected to a standard course of immunization with recombinant hepatitits B virus vaccine. All subjects were study with their health investigated file. Genes HLA-DRB1*1101 and HLA-DRB1*1201 were detected with ploymerse chain reaction-sequence specific primes(PCR-SSP). The data were analysed by SPSS 13.0 software.
     Results: (1)Univariate analysis indicated that dosage 10ug(OR=0.265, 95%CI 0.141~0.498 ), and gene HLA-DRB1*1201 were associated with non-or poor hyporesponse.(2)The results of multivariate logistic regression also showed that dosage 10ug(OR=0.265, 95%CI 0.141~0.498 )and gene HLA-DRB1*1201(OR=4.612, 95%CI 1.55~13.726)were associated with non-or poor hyporesponse. (3)Univariate analysis indicated that HBsAb positive(OR=0.128, 95%CI 0.064~0.256) and dosage 10ug(OR=0.274, 95%CI 0.098~0.767)were associated with HBsAg infection . (4)The results of multivariate logistic regression showed that Gene HLA-DRB1*1101 and HBsAb positive(OR=0.128, 95%CI 0.064~0.256) were associated with HBsAg infection .
     Conclusion: Gene HLA-DRB1*1201 was associated with non-or poor hyporesponse. Gene HLA-DRB1*1101 was associated with HBsAg infection .
引文
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