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Genetics of coronary heart disease with reference to ApoAI-CIII-AIV gene region.

ABSTRACT: Cardiovascular diseases are affected by multiple factors like genetic as well as environmental hence they reveal factorial nature. The evidences that genetic factors are susceptible for developing cardiovascular diseases come from twin studies and familial aggregation. Different ethnic populations reveal differences in the prevalence coronary artery disease (CAD) pointing towards the genetic susceptibility. With progression in molecular techniques different developments have been made to comprehend the disease physiology. Molecular markers have also assisted to recognize genes that may provide evidences to evaluate the role of genetic factors in causation of susceptibility towards CAD. Numerous studies suggest the contribution of specific "candidate genes", which correlate with various roles/pathways that are involved in the coronary heart disease. Different studies have revealed that there are large numbers of genes which are involved towards the predisposition of CAD. However, these reports are not consistent. One of the reasons could be weak contribution of genetic susceptibility of these genes. Genome wide associations show different chromosomal locations which dock, earlier unknown, genes which may attribute to CAD. In the present review different ApoAI-CIII-AIV gene clusters have been discussed.

SUBMITTER: Agrawal S

PROVIDER: S-EPMC4163704 | biostudies-literature | 2014 Aug

REPOSITORIES: biostudies-literature

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Genetics of coronary heart disease with reference to ApoAI-CIII-AIV gene region.

Agrawal Suraksha S Mastana Sarabjit S

World journal of cardiology 20140801 8

Cardiovascular diseases are affected by multiple factors like genetic as well as environmental hence they reveal factorial nature. The evidences that genetic factors are susceptible for developing cardiovascular diseases come from twin studies and familial aggregation. Different ethnic populations reveal differences in the prevalence coronary artery disease (CAD) pointing towards the genetic susceptibility. With progression in molecular techniques different developments have been made to compreh ...[more]

PMID: 25228954

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Project description:BACKGROUND:Apolipoprotein CIII (apoCIII) is associated with triglyceride-rich lipoprotein metabolism and has emerged as independent marker for risk of cardiovascular disease. The objective was to test whether apoCIII is regulated postprandially and whether apoCIII concentrations in native and chylomicron-free serum predict future cardiovascular events in patients with stable coronary artery disease (CAD). METHODS:ApoCIII concentrations were measured in native and chylomicron-free serum in the fasting state and after a standardized oral fat load test in 195 patients with stable CAD. Clinical follow-up was 48?months. Chylomicron-free serum was prepared by ultracentrifugation (18,000?rpm, 3?h). The log-rank test and Cox regression analyses were used to investigate the association of apoCIII with recurrent cardiovascular events. RESULTS:Of the 195 patients included, 92 had a cardiovascular event, and 103 did not. 97% were treated with a statin. No significant changes in apoCIII concentration were observed after the oral fat load test. The apoCIII concentration was associated with event-free survival independent of conventional risk factors. This association reached statistical significance only for apoCIII concentration measured in chylomicron-free serum (hazard ratio [95% confidence interval] for apoCIII above the mean: postprandial: 1.67 (1.06-2.29), P?=?0.028, fasting: 2.09 (1.32-3.32), P?=?0.002), but not for apoCIII concentration measured in native serum (postprandial: 1.47 [0.89-2.43], P?=?0.133, fasting: 1.56 [0.95-2.58], P?=?0.081). The effects were independent of other risk factors. CONCLUSIONS:ApoCIII concentrations in chylomicron-free serum are independently associated with event-free survival in patients with CAD both in fasting and postprandial state. This findings support considering apoCIII for risk assessment and attempting to test the hypothesis that lowering apoCIII reduces residual cardiovascular risk. TAKE HOME MESSAGE:Apolipoprotein CIII concentration measured in chylomicron-free serum predicts recurrent cardiovascular events in patients with stable coronary artery disease. TRIAL REGISTRATION:The trial which included the participants of this study was registered at https://clinicaltrials.gov (NCT00628524) on March 5, 2008.

Dataset Information

Genetics of coronary heart disease with reference to ApoAI-CIII-AIV gene region.

Publications

Genetics of coronary heart disease with reference to ApoAI-CIII-AIV gene region.

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