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Effect of G(-174)C polymorphism in interleukin-6 gene on cardiovascular disease in type 2 diabetes patients

机译:IL-2基因G(-174)C多态性对2型糖尿病患者心血管疾病的影响

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Interleuldn-6 (IL-6) is an important pro-inflammatory cytokine of relevance to cardiovascular diseases. The aim of this case-control study was to evaluate the association between the G(-174)C functional polymorphism in the IL-6 gene and risk of cardiovascular disease (CVD) in type 2 diabetes patients. We examined 1090 patients with T2DM and 612 controls. All subjects were genotyped for the G(-174)C polymorphism by polymerase chain reaction (PCR) and restriction analysis. There were no significant differences in the distribution of genotypes and alleles between T2DM patients and healthy controls. Significantly higher C allele frequency was observed in CVD+ patients compared to CVD-subgroup (53% vs. 32%, p < 0.0001). The odds ratio for C allele was 2.4 (95% CI 1.99-2.9, p < 0.0001) and for CC genotype 4.55 (95% CI 3.12-6.63, p < 0.000). When the distribution of G(-174)C polymorphism was compared in subgroups with different clinical phenotypes of CVD, a significant association of CC genotype with myocardial infarction was observed. Forty eight percent of patients with MI had the CC genotype compared to 22% of patients without MI (p < 0.0001). In conclusion, type 2 diabetes patients carrying the C allele of the IL-6 G(-174)C polymorphism have a significantly increased risk of CVD. (C) 2015 Elsevier Ltd. All rights reserved.
机译:Interleuldn-6(IL-6)是与心血管疾病相关的重要促炎细胞因子。这项病例对照研究的目的是评估2型糖尿病患者IL-6基因的G(-174)C功能多态性与心血管疾病(CVD)风险之间的关系。我们检查了1090例T2DM患者和612例对照。通过聚合酶链反应(PCR)和限制性酶切分析对所有受试者的G(-174)C多态性进行基因分型。在T2DM患者和健康对照组之间,基因型和等位基因的分布没有显着差异。与CVD亚组相比,在CVD +患者中观察到的C等位基因频率明显更高(53%对32%,p <0.0001)。 C等位基因的比值比为2.4(95%CI 1.99-2.9,p <0.0001),CC基因型为4.55(95%CI 3.12-6.63,p <0.000)。当比较具有不同临床表型CVD的亚组中G(-174)C多态性的分布时,观察到CC基因型与心肌梗塞有显着相关性。有MI基因的患者中有48%具有CC基因型,而没有MI的患者中有22%具有CC基因型(p <0.0001)。总之,携带IL-6 G(-174)C多态性C等位基因的2型糖尿病患者的CVD风险显着增加。 (C)2015 Elsevier Ltd.保留所有权利。

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