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Association between genetic loci linked to HDL-C levels and Indian patients with CAD: a pilot study


Objective To examine the association between loci linked to high-density lipoprotein cholesterol (HDL-C) levels and coronary artery disease (CAD).

Methods A pilot study consisting of age-matched and gender-matched angiographically confirmed CAD cases (n=150) and non-CAD controls (n=150) was performed to test an association. Illumina's Human Cardio-Metabo BeadChip containing 3112 variants associated with HDL-C levels was used for genotyping.

Results A preliminary analysis identified 36 variants from 16 genes that were statistically significant (p<0.05) between cases and controls. However, none of the variants remained statistically significant after correction for multiple testing. Besides, variants rs11039159 (MADD), rs749067 (MADD), rs367070 (LILRA3) and rs330921 (PPP1R3B) showed modest association with HDL-C levels.

Conclusions None of the HDL-C associated loci included in this study were found to be a significant risk factor for CAD. However, the study could replicate the findings of four variants influencing HDL-C levels.


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