Genetic variants of interleukin-4 gene in autoimmune thyroid diseases: An updated meta-analysis

Genetic variants of interleukin-4 gene in autoimmune thyroid diseases: An updated meta-analysis
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自身免疫性甲状腺疾病中白细胞介素 4 基因的遗传变异:更新的荟萃分析

DOI:
10.3109/08916934.2014.962025
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发表时间:
2015-02
期刊:
影响因子:
3.5
通讯作者:
xiaokun shen
xiaokun shen
中科院分区:
医学4区
文献类型:
--
作者:
xiaokun shen

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摘要自身免疫性甲状腺疾病(AITDs)包括Graves病(GD)和桥本甲状腺炎(HT),是常见的自身免疫性内分泌疾病。白细胞介素-4(IL-4)是T细胞分泌的一种细胞因子,在抗原特异性Th 2应答中起关键作用。IL-4基因具有高度多态性,IL-4启动子区-590(T/C,rs 2243250)多态性可能与AITDs的发生发展有关。最近,一些病例对照研究已经检查了IL-4的遗传变异与AITDs的关联。然而,这些研究的结果仍然相互矛盾。为系统研究IL-4在AITDs发病机制中的作用,我们对11个合格研究(1847例病例和2068例健康对照)进行了荟萃分析。使用固定效应或随机效应模型计算合并比值比(OR)及相应的95%置信区间(CI)。我们的研究结果显示IL-4基因变异(-590,T/C,rs 2243250)与发生AITD的风险之间存在显著相关性(TC + TT与TT基因型:OR = 1.83,95%CI = 1.083-3.091,p = 0.024)。这些发现表明IL-4 rs 2243250基因变异可能在AITDs的发展中起关键作用。
Abstract Autoimmune thyroid diseases (AITDs) including Graves' disease (GD) and Hashimoto's thyroiditis (HT) are common autoimmune endocrine disorders. Interleukin-4 (IL-4), a cytokine secreted by T cells, plays a critical role in antigen-specific Th2 responses. The IL-4 gene is highly polymorphic and it has been reported that the polymorphism at –590 (T/C, rs2243250) in the promoter region of IL-4 may contribute to the development of AITDs. Recently, several case-control studies have examined the association of genetic variants of IL-4 with AITDs. However, the results of these studies remain conflicting. To systematically study the role of IL-4 in the pathogenesis of AITDs, we conducted a meta-analysis including 11 eligible studies (1847 cases and 2068 healthy controls). Fixed-effect or random-effect models were used to calculate pooled odds ratios (ORs) with corresponding 95% confidence intervals (CIs). Our results revealed a significant association between the IL-4 genetic variant (−590, T/C, rs2243250) and the risk of developing AITDs (TC + TT versus TT genotype: OR = 1.83, 95% CI = 1.083–3.091, p = 0.024). These findings demonstrate that the IL-4 rs2243250 genetic variant might play a key role in the development of AITDs.
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发表时间: 2000
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