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Identification of genes contributing to cardiovascular disease in overweight and obese individuals from West Virginia.

ABSTRACT: Excess weight is a known risk factor for coronary artery disease (CAD) and a large percentage of overweight and obese individuals ultimately develop CAD. The objective of this study was to identify human genes associated with CAD in a subgroup of overweight and obese individuals using population-based association methods. Logistic regression analyses were used to test the association between single nucleotide polymorphisms (SNPs) in 34 candidate genes and the CAD phenotype with age, gender, and BMI as covariates. Two SNPs in the Apolipoprotein B (Apo B) gene [rs1042031 and rs1800479], one in the Cholesterol Ester Transfer Protein (CETP) gene [rs5880], and one in the Low Density Lipoprotein Receptor (LDLR) gene [rs2569538] met the 0.01 significance level for association with CAD. Based on these findings, we conclude that variants within the CETP and Apo B genes conferred susceptibility to CAD in overweight individuals and that a variant with the LDLR gene conferred susceptibility in an obese group.

SUBMITTER: Dementieva Y

PROVIDER: S-EPMC4432463 | biostudies-literature | 2012 Jan-Feb

REPOSITORIES: biostudies-literature

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Identification of genes contributing to cardiovascular disease in overweight and obese individuals from West Virginia.

Dementieva Yulia Y Green Todd L TL Primerano Donald A DA Wei Liping L Denvir James J Wehner Paulette P Dodson Sarah S Flood Mark R MR Pollock Bonnie A BA Huff Melinda M Hill Contessa C Kreisberg Robert R Francis Amanda A Morrison Katie K Blackwood Holly H Davis Mary M Lee Huey Miin HM Warren Stafford S

The West Virginia medical journal 20120101 1

Excess weight is a known risk factor for coronary artery disease (CAD) and a large percentage of overweight and obese individuals ultimately develop CAD. The objective of this study was to identify human genes associated with CAD in a subgroup of overweight and obese individuals using population-based association methods. Logistic regression analyses were used to test the association between single nucleotide polymorphisms (SNPs) in 34 candidate genes and the CAD phenotype with age, gender, and ...[more]

PMID: 25134189

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Project description:BackgroundThe predictive value of serum uric acid (SUA) for adverse cardiovascular events among obese and overweight patients is not known, but potentially important because of the relation between hyperuricaemia and obesity.MethodsThe relationship between SUA and risk of cardiovascular adverse outcomes (nonfatal myocardial infarction, nonfatal stroke, resuscitated cardiac arrest or cardiovascular death) and all-cause mortality, respectively, was evaluated in a post-hoc analysis of the Sibutramine Cardiovascular OUTcomes (SCOUT) trial. Participants enrolled in SCOUT were obese or overweight with pre-existing diabetes and/or cardiovascular disease (CVD). Cox models were used to assess the role of SUA as an independent risk factor.Results9742 subjects were included in the study; 83.6% had diabetes, and 75.1% had CVD. During an average follow-up time of 4.2 years, 1043 subjects had a primary outcome (myocardial infarction, resuscitated cardiac arrest, stroke, or cardiovascular death), and 816 died. In a univariate Cox model, the highest SUA quartile was associated with an increased risk of cardiovascular adverse outcomes compared with the lowest SUA quartile in women (hazard ratio [HR]: 1.59; 95% confidence interval [CI]: 1.20-2.10). In multivariate analyses, adjusting for known cardiovascular risk factors the increased risk for the highest SUA quartile was no longer statistically significant among women (HR: 0.99; 95% CI: 0.72-1.36) nor was it among men. Analyses of all-cause mortality found an interaction between sex and SUA. In a multivariate Cox model including women only, the highest SUA quartile was associated with an increased risk in all-cause mortality compared to the lowest SUA quartile (HR: 1.51; 95% CI: 1.08-2.12). No relationship was observed in men (HR: 1.06; 95% CI: 0.82-1.36).ConclusionSUA was not an independent predictor of cardiovascular disease and death in these high-risk overweight/obese people. However, our results suggested that SUA was an independent predictor of all-cause mortality in women.

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Identification of genes contributing to cardiovascular disease in overweight and obese individuals from West Virginia.

Publications

Identification of genes contributing to cardiovascular disease in overweight and obese individuals from West Virginia.

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