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首页> 外文期刊>Antimicrobial agents and chemotherapy. >Genomewide Association Study Confirming the Association of NAT2 with Susceptibility to Antituberculosis Drug-Induced Liver Injury in Thai Patients
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Genomewide Association Study Confirming the Association of NAT2 with Susceptibility to Antituberculosis Drug-Induced Liver Injury in Thai Patients

机译:基因组缔合作协会研究证实NAT2与抗性患者抗性药物诱导的肝损伤易感性

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Antituberculosis drug-induced liver injury (ATDILI) is a common side effect leading to tuberculosis (TB) treatment disruption. The mechanism of the disease remains poorly understood. We conducted a genomewide association study (GWAS) to investigate all possible genetic factors of ATDILI in Thai patients. This study was carried out in Thai TB patients, including 79 ATDILI cases and 239 tolerant controls from our network hospitals in Thailand. Nearly 1 million single-nucleotide polymorphisms (SNPs) were genotyped across the whole genome using an Illumina Omni Express Exome BeadChip array. In the discovery stage, we identified strong association signals on chromosome 8 originating from the N-acetyltransferase (NAT2) region. The A allele of rs1495741, the top SNP in the intergenic region of NAT2 and P503 (14 kb from NAT2), was significantly associated with ATDILI (recessive model, odds ratio of 6.01 [95% confidence interval, 3.42 to 10.57]; P = 6.86E-11). This particular SNP was reported as a tag SNP for NAT2 inferred phenotypes. The AA, AG, and GG genotypes represented NAT2 slow acetylators, intermediate acetylators, and fast acetylators, respectively. The tag SNP genotypes demonstrated a concordance rate of 94.98% with NAT2 acetylator phenotypes. This GWAS shows that NAT2 is the most important risk factor for ATDILI in the Thai population.
机译:抗亚伯氏菌药诱导​​的肝损伤(ATDILI)是一种常见的副作用,导致结核病(TB)处理破坏。该疾病的机制仍然清晰。我们进行了一项关于Genomewide协会研究(GWAs),调查泰国患者的所有可能的Atdili遗传因素。本研究在泰国结核病患者中进行,其中包括79例,从泰国的网络医院提供239例耐受性。使用Illumina Omni Express Exome Beadchip阵列在整个基因组上基因分型近100万单核苷酸多态性(SNP)。在发现阶段,我们鉴定了源自N-乙酰转移酶(NAT2)区域的染色体8上的强关联信号。 RS1495741的等位基因,NAT2和P503的代际区域中的顶部SNP(来自NAT2的14kb),与ATDILI显着相关(隐性模型,6.01的差距为6.01 [95%置信区间,3.42至10.57]; P = 6.86E-11)。将该特殊的SNP报告为NAT2推断表型的标签SNP。 AA,AG和GG基因型分别代表NAT2慢乙酰剂,中间体乙酰剂和快速乙酰剂。标签SNP基因型与NAT2乙酰乙酰素表型表现出94.98%的一致性率。这个Gwas表明,NAT2是泰国人口atdili最重要的风险因素。

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