An observational study in Cardiovascular Diseases, Heart Diseases and Obesity, sponsored by Medical College of Wisconsin. Withdrawn. Per ClinicalTrials.gov, last updated 2015-09-10.
Sponsored by Medical College of Wisconsin · Observational
To search for the genetic cause of the metabolic syndrome, a lipid disorder that poses a major risk for coronary heart disease.
BACKGROUND:
The metabolic syndrome is a common disorder posing a significant major risk for coronary heart disease and early mortality in the Western hemisphere. Central to its cardiovascular complications is the association of the syndrome with the specific abnormalities in plasma lipid and lipoprotein profiles including increased plasma triglycerides, decreased HDL cholesterol, and predominance of dense lipoprotein particles. In search for the genetic etiology of this lipid disorder, the investigators identified a quantitative trait locus (QTL) on human chromosome 7q36 strongly linked to variation in plasma lipid levels. They hypothesize that this QTL contains genetic variants that contribute to alterations in biologic pathways underlying the genesis of the lipid disorder.
DESIGN NARRATIVE:
The study will search for the genetic cause of the metabolic syndrome, a lipid disorder that poses a major risk for coronary heart disease. The investigators have identified a quantitative trait locus (QTL) on human chromosome 7q36 strongly linked to variation in plasma lipid levels. The investigators hypothesize that this QTL contains genetic variants that contribute to alterations in biologic pathways underlying the genesis of the lipid disorder. To test for this hypothesis, they propose a comprehensive approach utilizing established resources and expertise to identify the functional sequence variants within this QTL. Specifically, they will 1.) identify single nucleotide polymorphisms (SNPs) and their haplotype and linkage disequilibrium structure across the entire QTL region; 2.) Analyze association of informative SNPs with plasma triglyceride levels, LDL levels, and lipoprotein density fractions using variance component linkage/disequilibrium analyses; and 3.) Identify potentially functional sequence variants in associated genes or genomic regions using Bayesian quantitative trait nucleotide analysis. This comprehensive application of newly available genomic technologies, novel statistical approaches, the DNA and phenotypic information available, and the consortium of expertise assembled behind this project will ensure the successful elucidation of the genetic etiology of this lipid disorder and consequently the development of effective means for prevention and/or treatment of cardiovascular complications of the metabolic syndrome.
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This study is withdrawn, as verified in Sep 2015. You cannot join it, but the record below documents what was studied.
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Medical College of Wisconsin