Genome-wide association analysis of HDL-C in a Lebanese cohort

Rebecca Deek, Jason Nasser, Anthony Ghanem, Marc Mardelli, Georges Khazen, Angelique K. Salloum, Antoine Abchee, Michella Ghassibe-Sabbagh, Pierre Zalloua

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Abstract

Low serum levels of high-density lipoprotein cholesterol (HDL-C) have been shown to be a risk factor for coronary artery disease independent of low-density lipoprotein cholesterol (LDL-C) in different populations. In this study, we investigated genetic variants through genome-wide association studies to determine their association with HDL-C levels in a sample of 2,700 patients. We identified several SNPs associated with HDL-C levels in the Lebanese population using unadjusted and adjusted by biological factors models. We replicated the association of rs3764261 within CETP with HDL-C levels in the study population, and found other previously unidentified SNPs to be significant at the suggestive level, in both previously identified and unidentified genes. This paper reports the first genome-wide analysis of HDL-C in the Lebanese, Middle Eastern, population and supports the importance of genome-wide association studies across different and minor ethnicities to understand better the etiology of complex human diseases.

Original languageBritish English
Article numbere0218443
JournalPLoS ONE
Volume14
Issue number6
DOIs
StatePublished - Jun 2019

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