The association between a genetic variant in the SULF2 gene, metabolic parameters and vascular disease in patients at high cardiovascular risk.

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To determine the relationship between rs2281279, metabolic parameters and vascular events, and type 2 diabetes mellitus (T2DM) in patients at high cardiovascular risk and whether APOE genotype modifies this relationship. Patients (n = 4386) at high cardiovascular risk from the Utrecht Cardiovascular Cohort-Second Manifestations of Arterial Disease study were stratified according to their imputed rs2281279 genotype: AA (n = 2438), AG (n = 1642) and GG (n = 306). Effects of rs2281279 on metabolic parameters, vascular events and T2DM were analyzed with linear regression and Cox models. There was no relationship between imputed rs2281279 genotype and triglycerides, non-high-density lipoprotein (HDL)-cholesterol, insulin and quantitative insulin sensitivity check index. During a median follow-up of 11.8 (IQR, 9.3-15.5) years, 1026 cardiovascular events and 320 limb events occurred. The presence of the G allele in rs2281279 did not affect the risk of vascular events [hazard ratio (HR), 1.03; 95% confidence interval (CI), 0.94-1.14] or limb events (HR, 0.92; 95% CI, 0.77-1.10). The presence of the G allele in rs2281279 did not affect the risk of T2DM (HR, 1.09; 95% CI, 0.94-1.27). The presence of the minor G allele of rs2281279 was associated with a beneficial risk profile in ε2ε2 patients, but not in ε3ε3 patients. Imputed rs2281279 genotype is not associated with metabolic parameters and does not increase the risk of vascular events or T2DM in patients at high risk for cardiovascular disease.