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  • Title: Association of genes of lipid metabolism with measures of subclinical cardiovascular disease in the Diabetes Heart Study.
    Author: Burdon KP, Langefeld CD, Beck SR, Wagenknecht LE, Carr JJ, Freedman BI, Herrington D, Bowden DW.
    Journal: J Med Genet; 2005 Sep; 42(9):720-4. PubMed ID: 16141008.
    Abstract:
    BACKGROUND: Dyslipidaemia is a well known risk factor for cardiovascular disease (CVD). Lipid metabolism is affected by a range of genes and proteins. This study investigated whether some of these genes are associated with measures of subclinical CVD. METHODS: Polymorphisms of paraoxonase 1 and 2, cholesteryl ester transfer protein, hepatic lipase, and lipoprotein lipase were tested for associations with measures of subclinical CVD including carotid intima-media thickness measured by B-mode ultrasound and carotid and coronary arterial calcification measured by computed tomography. Analysis was performed in 620 European American participants in the Diabetes Heart Study, 83% of whom had type 2 diabetes mellitus. Associations of genotypes with subclinical CVD were tested by computing a series of generalised estimating equations. RESULTS: The Q192R variant of paraoxonase 1 and rs285 of lipoprotein lipase were associated with carotid artery calcium (p values = 0.002 and 0.005, respectively). Paraoxonase 2 S311C was associated with coronary artery calcium (p value = 0.037). CONCLUSIONS: There is evidence for modest, but significant, association of multiple single nucleotide polymorphisms in lipid genes with measures of subclinical CVD.
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