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Association Between Two Common Polymorphisms of Vitamin D Binding Protein and the Risk of Coronary Artery Disease: A Case-control Study.

ABSTRACT: Background:Coronary Artery Disease (CAD) is one of the most widespread non-communicable diseases. Vitamin Dbinding protein (VDBP) and its genetic poly morphisms have been highlighted as the susceptible components for CAD. The aim of the present study was to examine the association of VDBP single nucleotide poly morphisms (SNPs) - rs7041 and rs4588 - with CAD susceptibility among the Iranian population. Methods:A total of 143 men with CAD and 145 healthy age-sex matched controls underwent genotyping for the - rs7041 and rs4588 polymorphisms using the polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP) method. Serum level of 25(OH)D was assayed using microplate colorimetric enzyme immunoassay. Results:We found a significant association between GG genotype (rs7041) and CAD (p=0.02, OR=0.537 95% CI =0.306-0.944). Regarding rs4588 polymorphism, a significant difference was observed in which the CA genotype (p=0.00032, OR=2.578, 95% CI=1.579-4.208) and allele A (P=0.028, OR=1.491, 95% CI=1.043-2.132) were significantly higher in CAD patients compared to controls. In spite of lower serum levels of 25(OH)D in CAD patients, we found no significant association between these SNPs and Vitamin D serum concentrations. Conclusion:We concluded that VDBP polymorphisms affect the susceptibility to CAD in Iranian men. Therefore, further studies are required to clarify the association of VDBP phenotypes and its serum levels with CAD.

SUBMITTER: Tarighi S

PROVIDER: S-EPMC6294082 | biostudies-literature | 2017 Oct

REPOSITORIES: biostudies-literature

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Association Between Two Common Polymorphisms of Vitamin D Binding Protein and the Risk of Coronary Artery Disease: A Case-control Study.

Tarighi Shahriar S Najafi Mahdi M Hossein-Nezhad Arash A Ghaedi Hamid H Meshkani Reza R Moradi Nariman N Fadaei Reza R Kazerouni Faranak F Shanaki Mehrnoosh M

Journal of medical biochemistry 20171028 4

<h4>Background</h4>Coronary Artery Disease (CAD) is one of the most widespread non-communicable diseases. Vitamin Dbinding protein (VDBP) and its genetic poly morphisms have been highlighted as the susceptible components for CAD. The aim of the present study was to examine the association of VDBP single nucleotide poly morphisms (SNPs) - rs7041 and rs4588 - with CAD susceptibility among the Iranian population.<h4>Methods</h4>A total of 143 men with CAD and 145 healthy age-sex matched controls un ...[more]

PMID: 30581332

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Project description:Background Genome wide association studies (GWAS) have successfully revealed >40 genetic risk loci associated with coronary artery disease (CAD) in Europeans. Only five loci have been replicated in South Asians. Methods We assessed the association of 47 genome-wide significant single-nucleotide polymorphisms (SNPs) with CAD in a Pakistani sample comprising of 663 clinically ascertained and angiographically confirmed cases and controls. Genotypes were performed using Sequenom’s iPLEX assay. The association of selected SNPs with coronary stenosis was initially determined by chi-square and additive genetic model. We selected 12 SNPs based on additive model and their association was also analyzed by using dominant model. All statistical analyses were performed by R software. Linkage disequilibrium (LD) of significant SNPs was determined by SNAP web portal and functional annotation of SNPs was determined by RegulomeDB. Results We had five significant SNPs out of 47 variants (rs4252120; P=0.003, rs2505083; P=0.006, rs2048327; P=0.04, rs602633; P=0.02 & rs46522; P=0.02) under dominant model and two, PLG/rs4252120 (P=0.003) and KIAA1462/rs2505083 (P=0.006), showed significant association with CAD in our sample after correcting for multiple testing (q<0.05). The odds ratio (OR) in cases vs. controls for two significant SNPs were; [PLG/rs4252120 (OR =1.83; P=0.003, FDR =0.02)] and [KIAA1462/rs2505083 (OR =1.65, P=0.006, FDR =0.03)]. PLG/rs4252120 was in LD with two other functional PLG variants (rs4252126 and rs4252135) having RegulomeDB score of 1f. Likewise, KIAA1462/rs2505083 was in LD with a functional SNP KIAA1462/rs3739998 having RegulomeDB score of 2b (likely affects TF binding). Conclusions We have successfully replicated two previously reported genome-wide significant SNPs in our Pakistani sample. KIAA1462/rs2505083 appears to be functional by itself as well as proxy of a functional SNP (KIAA1462/rs3739998). PLG/rs4252120 is proxy of two functional SNPs. Further association studies in other non-European populations and future functional studies are warranted to assess the impact of these two variants on risk of CAD.

Project description:Background: Coronary artery disease (CAD) is one of the main fatal diseases all over the world. CAD is a complex disease, which has multiple risk factors mechanisms. In recent years, genome-wide association study (GWAS) had revealed single nucleotide polymorphism genes (SNPs) which were closely related with CAD risks. The relationship between long non-coding RNA (lncRNA) MALAT1 (metastasis-associated lung adenocarcinoma transcript 1) and CAD risk is largely unknown. To our knowledge, this is the first study which demonstrated the interaction effects of SNP-SNP and SNP-environment with CAD risk. In general, our case-control study is to detect the association between MALAT1 (rs619586, rs4102217) SNPs and CAD risk. Methods: Three hundred and sixty-five CAD patients and three hundred and eighty-four matched control participants blood samples were collected in Liaoning province, China. Two polymorphisms (rs619586, rs4102217) in lncRNA MALAT1 were genotyped by KASP platform. Results: In a stratified analysis, we found that non-drinkers with GC genotype and the recessive model of rs4102217 had higher CAD risk (P=0.010, odds ratio (OR): 1.96, 95% confidence interval (CI) = 1.17-3.28; P=0.026, OR: 1.73, 95% CI = 1.07-2.79) and diabetes mellitus (DM) history group (P=0.010, OR: 4.07, 95% CI = 1.41-11.81; P=0.019, OR: 3.29, 95% CI = 1.22-8.88). In SNP-SNP interactions analysis between MALAT1 and CAD risk, we found rs4102217 had an increase in smokers (GG: OR: 2.04, 95% CI = 1.42-2.92; CC+GC: OR: 2.64, 95% CI = 1.64-4.26) and a decrease in drinkers (CC+GC: OR: 0.33, 95% CI = 0.20-0.55). Smokers with MALAT1 rs619586 AA genotype (OR: 2.20, 95% CI = 1.57-3.07) and GG+AG genotype (OR: 2.11, 95% CI = 1.17-3.81) had a higher risk of CAD. Moreover, drinkers with AA genotype (OR: 0.22, 95% CI = 0.10-0.48) and GG+AG genotype (OR: 0.38, 95% CI = 0.22-0.65) had a lower risk of CAD. According to the MDR software, MALAT1 rs4102217 polymorphism-smoking-drinking was the best interaction model, which has higher risk of CAD (Testing Bal.ACC. = 0.6979). Conclusion: Our study demonstrated that the GC genotype and the recessive model of rs4102217 potentially increased CAD risk in some specific group.

Dataset Information

Association Between Two Common Polymorphisms of Vitamin D Binding Protein and the Risk of Coronary Artery Disease: A Case-control Study.

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Association Between Two Common Polymorphisms of Vitamin D Binding Protein and the Risk of Coronary Artery Disease: A Case-control Study.

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