Association of a complement receptor 1 gene variant with baseline erythrocyte sedimentation rate levels in patients starting anti-TNF therapy in a UK rheumatoid arthritis cohort: results from the Biologics in Rheumatoid Arthritis Genetics and Genomics Study Syndicate cohort.

Association of a complement receptor 1 gene variant with baseline erythrocyte sedimentation rate levels in patients starting anti-TNF therapy in a UK rheumatoid arthritis cohort: results from the Biologics in Rheumatoid Arthritis Genetics and Genomics Study Syndicate cohort.
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DOI:
10.1038/tpj.2013.26
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发表时间:
2014-04
期刊:
The pharmacogenomics journal
影响因子:
--
通讯作者:
Barton A
Barton A
中科院分区:
其他
文献类型:
--
作者:
Bluett J;Ibrahim I;Plant D;Hyrich KL;Morgan AW;Wilson AG;Isaacs JD;BRAGGSS;Barton A

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在大多数欧洲国家,抗肿瘤坏死因子 (TNF) 治疗的资格仅限于严重的活动性类风湿性关节炎 (RA)。 DAS28 评分是疾病严重程度的标志,包含两种炎症标志物之一:红细胞沉降率 (ESR) 或 C 反应蛋白。我们的目的是确定已知影响 ESR 的基因变异与活动性 RA 患者的 ESR 水平之间的关系。对 DNA 样本进行了四种单核苷酸多态性 (SNP) rs7527798 (CR1L)、rs6691117 (CR1)、rs10903129 (TMEM57) 和 rs1043879 (C1orf63) 的基因分型。评估了 SNP 与基线 ESR、基线 DAS28-ESR 和 DAS28-ESR 变化之间的关联。基线ESR与CR1 rs6691117基因型显着相关(P=0.01)。基线 DAS28-ESR 或 DAS28-ESR 变化之间未发现相关性。总之,编码 CR1 的基因的遗传变异可能会改变 ESR 水平,但不会改变 DAS28-ESR,这表明在评估严重活动性 RA 患者时不需要调整 CR1 基因型。
Eligibility for anti-tumour necrosis factor (TNF) therapy in most European countries is restricted to severe, active rheumatoid arthritis (RA). The DAS28 score is a marker of disease severity and incorporates one of two inflammatory markers, erythrocyte sedimentation rate (ESR) or C-reactive protein. We aimed to determine the relation between genetic variants known to affect ESR and levels of ESR in patients with active RA. DNA samples were genotyped for four single-nucleotide polymorphisms (SNPs) rs7527798 (CR1L), rs6691117 (CR1), rs10903129 (TMEM57) and rs1043879 (C1orf63). The association between SNPs and baseline ESR, baseline DAS28-ESR, and change in DAS28-ESR was evaluated. Baseline ESR was significantly associated with CR1 rs6691117 genotype (P=0.01). No correlation was identified between baseline DAS28-ESR or change in DAS28-ESR. In conclusion, genetic variation in the gene encoding CR1 may alter ESR levels but not DAS28-ESR, indicating no adjustment for CR1 genotype is required in the assessment of patients with severe active RA.
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