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Role of GSTM1 gene polymorphism and its association with coronary artery disease

机译:GSTM1基因多态性的作用及其与冠心病的关系

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Coronary artery disease (CAD) is one of the leading causes of mortality and morbidity worldwide. Complex interplay of environmental and genetic factors has been known to contribute to CAD pathophysiology. Variations in several genes have been found to be associated with risk for developing CAD in different populations. Glutathione S-transferases (GSTs) play a primer role in cellular defense against electrophilic chemical species and radical oxygen species. This study was designed to assess the GSTM1 gene variant in 120 patients with coronary artery disease (CAD) as compared to equal number of controls. DNA was isolated from the blood samples collected and subjected to PCR with specific GSTM1 specific primers. The frequency of GSTM 1 gene was in 73.3% of cases or patients with CAD and 61.6% in control subjects and the frequency of null genotype was 26.6% in CAD cases and 38.3% in control group. There was no significant association of GSTM1 gene (null) polymorphism (χ2 = 3.72, P?= 0.053, OR?=?1.17, 95% CI?=?0.95 – 3.07) with CAD in our study. However, diabetes and smoking were significantly associated with CAD (p
机译:冠状动脉疾病(CAD)是世界范围内死亡率和发病率的主要原因之一。已知环境因素和遗传因素之间复杂的相互作用会导致CAD病理生理。已经发现几种基因的变异与在不同人群中发展CAD的风险有关。谷胱甘肽S-转移酶(GST)在细胞防御亲电子化学物种和自由基氧物种中起引物作用。这项研究旨在评估120例冠心病(CAD)患者的GSTM1基因变异体,与同等数量的对照组相比。从收集的血液样品中分离DNA,并使用特异性GSTM1特异性引物进行PCR。 GSTM 1基因的频率在有CAD的病例或患者中占73.3%,在对照组中占61.6%,无效基因型的频率在CAD病例中为26.6%,在对照组中为38.3%。在我们的研究中,GSTM1基因(无效)多态性(χ2= 3.72,P?= 0.053,OR?=?1.17,95%CI?=?0.95-3.07)没有显着关联。但是,糖尿病和吸烟与CAD显着相关(p <?0.001)。

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