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首页> 外文期刊>AIDS >Polymorphism in interleukin-7 receptor α gene is associated with faster CD4+ T-cell recovery after initiation of combination antiretroviral therapy
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Polymorphism in interleukin-7 receptor α gene is associated with faster CD4+ T-cell recovery after initiation of combination antiretroviral therapy

机译:白细胞介素-7受体α基因中的多态性与组合抗逆转录病毒治疗开始后的CD4 + T细胞恢复更快

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摘要

OBJECTIVES:: To investigate single-nucleotide polymorphisms (SNPs) in the gene encoding interleukin-7 receptor α (IL7RA) as predictors for CD4 T-cell change after initiation of combination antiretroviral therapy (cART) in HIV-infected whites. DESIGN:: SNPs in IL7RA were determined in the Danish HIV Cohort Study. METHODS:: CD4 T-cell changes were estimated 6 months, 1, 2, and 5 years after initiation of cART in 1683 HIV-infected virally suppressed individuals. Five SNPs in IL7RA were examined as predictors for CD4 T-cell change in the first (0-6 months after initiation of cART) and second phase (>6 months after initiation of cART) of immune recovery. Univariable and multivariable analyses including age, sex, calendar period, CD4 nadir, and baseline CD4 T-cell count and viral load as covariates were performed. RESULTS:: Individuals carrying two T-alleles in rs6897932 had faster CD4 T-cell recovery compared with individuals carrying a C-allele in the first phase of immune recovery [mean CD4 T-cell change, cells/μL (95% confidence interval), in TT: 177 (151-203), CT: 131 (119-143), CC: 141 (132-151), P=0.018]. No isolated effect of rs6897932 on CD4 T-cell change was found in the second phase of immune recovery; however, the initial difference in CD4 T-cell recovery remained during 5 years. The effect was most pronounced in individuals above 40 years of age. CONCLUSION:: T-allele homozygosity in rs6897932 is a predictor for faster CD4 T-cell recovery after initiation of cART in HIV-infected whites, however, only in the first phase of immune recovery.
机译:目的::在编码白细胞介素-7受体α(IL7RA)中的单核苷酸多态性(SNP)作为在艾滋病毒感染的白人的组合抗逆转录病毒治疗(推车)后CD4 T细胞变化的预测因子。设计:: IL7RA中的SNP在丹麦艾滋病毒队列研究中确定。方法:: CD4 T细胞的变化估计在1683名艾滋病毒感染的病毒抑制个体发起后6个月,1,2和5年后。 IL7RA中的五个SNP被检测为CD4 T细胞的预测因子在第一个(在推车后发起后0-6个月)和免疫恢复后的第二阶段(11个月后)的预测因子。在包括年龄,性别,日历周期,CD4 Nadir和基线CD4 T细胞计数和病毒载量的情况下包括年龄,性别,日历期,基线CD4 T细胞计数和病毒载量。结果::在RS6897932中携带两种T型等位基因的个体具有更快的CD4 T细胞恢复,与在免疫恢复的第一阶段中携带C-等位基因的个体相比具有更快的CD4 T细胞恢复[平均CD4 T细胞变化,细胞/μL(95%置信区间) ,在TT:177(151-203)中,CT:131(119-143),CC:141(132-151),P = 0.018]。在免疫恢复的第二阶段发现了RS6897932对CD4 T细胞变化的孤立效应;然而,在5年内CD4 T细胞回收的初始差异。在40岁以上的个人中,效果最为明显。结论:: T-等位基因纯合子在RS6897932中是一种预测因子,用于在艾滋病毒感染的白人在艾滋病毒感染的白人发起后更快的CD4 T细胞恢复,但仅在免疫恢复的第一阶段。

著录项

  • 来源
    《AIDS》 |2014年第12期|共10页
  • 作者单位

    Department of Infectious Diseases Rigshospitalet Copenhagen University Hospital Copenhagen;

    Department of Clinical Immunology Rigshospitalet Copenhagen University Hospital Copenhagen;

    Department of Clinical Immunology Aarhus University Hospital Aarhus Denmark;

    Department of Clinical Immunology Rigshospitalet Copenhagen University Hospital Copenhagen;

    Department of Infectious Diseases Hvidovre Copenhagen University Hospital Copenhagen Denmark;

    Department of Infectious Diseases Odense University Hospital Odense Denmark;

    Department of Infectious Diseases Aarhus University Hospital Aarhus Denmark;

    Department of Infectious Diseases Rigshospitalet Copenhagen University Hospital Copenhagen;

    Department of Infectious Diseases Rigshospitalet Copenhagen University Hospital Copenhagen;

    Department of Infectious Diseases Rigshospitalet Copenhagen University Hospital Copenhagen;

    Department of Clinical Immunology Rigshospitalet Copenhagen University Hospital Copenhagen;

    Department of Infectious Diseases Rigshospitalet Copenhagen University Hospital Copenhagen;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 传染病;
  • 关键词

    combination antiretroviral therapy; HIV; immune recovery; interleukin-7 receptor; rs6897932; single-nucleotide polymorphisms;

    机译:组合抗逆转录病毒治疗;艾滋病毒;免疫恢复;白细胞介素-7受体;RS6897932;单核苷酸多态性;

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