A 3-SNP gene risk score and a metabolic risk score both predict hypertriglyceridemia and cardiovascular disease risk

Rutger Verbeek, Federico Oldoni, R. Preethi Surendran, Ailko H. Zwinderman, Kay T. Khaw, Erik S. G. Stroes, Nick J. Wareham, S. Matthijs Boekholdt, Geesje M. Dallinga-Thie

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Background: Evidence on the causal link between plasma triglyceride (TG) levels and risk for cardiovascular disease (CVD) has recently emerged. Individuals with the metabolic syndrome have an increased risk for acquiring elevated TG levels later in life. Moreover, common DNA sequence variations in genes affecting TG levels identify individuals at risk for elevated plasma TG levels. Objective: We evaluated whether a 3-single nucleotide polymorphism (SNP) TG gene risk score (GRS) and a metabolic risk score (MetRS) both improved CVD risk prediction. Methods: A 3-SNP GRS and MetRS were generated in the EPIC-Norfolk cohort (n = 20,074) based on 3 SNPs in LPL and APOA5 or the number of Metabolic Syndrome criteria present (maximum 5), respectively. The associations between the 3-SNP GRS, MetRS, TG levels, and CVD risk were evaluated. Results: The 3-SNP GRS and MetRS were both linearly associated with plasma TG levels, that is, +0.25 mmol/L [95% CI 0.22–0.27] per allele change (P < .001) and +0.72 mmol/L [95% CI 0.70–0.73] per increase of number of metabolic syndrome risk score points (P < .001), respectively. We observed a positive association between the 3-SNP GRS and the risk of CVD with an adjusted hazard ratio (HR) of 1.35 [95% CI 1.04–1.74] for the highest versus the lowest GRS, which was independent of the MetRS. For the MetRS, the adjusted HR was 2.03 [95% CI 1.73–2.40] for the highest versus the lowest MetRS. Conclusion: Both the 3-SNP GRS and the MetRS are associated with increased plasma TG levels and increased risk for CVD.
Original languageEnglish
Pages (from-to)492-501
JournalJournal of clinical lipidology
Issue number3
Publication statusPublished - 1 May 2019

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