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Associations of ANGPTL6, DOCK6, FABP1, and PCSK9 single-nucleotide variants with hypercholesterolemia in the Polish

Monika K Świderska¹, Adrianna Mostowska², Damian Skrypnik³

¹Department of Nephrology, Transplantology and Internal Diseases, Poznan University of Medical Sciences, Poznań, Poland; Department of Diagnostic and Interventional Radiology and Nuclear Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany. m.swiderska@uke.de

Polish Archives of Internal Medicine

|January 5, 2023

Abstract

Introduction:

Hypercholesterolemia is a chronic noncommunicable disease predisposing to cardiovascular diseases. Genome‑wide association studies have shown that more than 500 common nucleotide variants are associated with dyslipidemia.

Objectives:

We evaluated associations between selected nucleotide variants in ANGPTL6, DOCK6, FABP1, and PCSK9 genes and hypercholesterolemia in the Polish adult population sample.

Patients And Methods:

The study included 109 patients with hypercholesterolemia and 251 individuals with no diagnosed lipid disorder. Genotyping of ANGPTL6 rs8112063, DOCK6 rs737337 and rs17699089, FABP1 rs2241883 and rs2919872, and PCSK9 rs562556 and rs11206510 was carried out using highresolution melting curve analysis. Serum concentrations of FABP1, PCSK9, ANGPTL6, and ANGPTL8 were determined in 51 individuals by enzyme‑linked immunosorbent assay.

Results:

Carriers of the FABP1 rs2919872 CC genotype were over 2.5‑fold less likely to be diagnosed with hypercholesterolemia than carriers of the T allele (odds ratio [OR], 0.386; 95% CI, 0.203-0.735; P = 0.003; Pcorr = 0.006). There were no associations between rs2919872 and serum lipid concentrations. Carriers of the ANGPTL6 rs8112063 C allele had an almost 2‑fold higher risk of developing hypercholesterolemia than carriers of the T allele (OR, 1.820; 95% CI, 1.053-3.144; P = 0.03; Pcorr = 0.046). Moreover, the carriers of the ANGPTL6 rs8112063 C allele had higher serum concentrations of high-density lipoprotein cholesterol than those with TT genotype (P = 0.009). There were no significant associations between the other tested variants and hypercholesterolemia.

Conclusions:

FABP1 rs2919872 and ANGPTL6 rs8112063 are associated with a risk of hypercholesterolemia in the Polish population.

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