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FABP 2 gene polymorphism and metabolic syndrome in elderly people of Croatian descent

Lana Feher Turkovic orcid id ; Department of Chemistry, Biochemistry and Clinical Chemistry, University of Applied Health Studies-Zagreb, Zagreb, Croatia
Alica Pizent orcid id ; Institute for Medical Research and Occupational Health, Zagreb, Croatia
Slavica Dodig ; Institute for Medical Research and Occupational Health, Zagreb, Croatia
Mladen Pavlovic ; Institute for Medical Research and Occupational Health, Zagreb, Croatia
Daria Pasalic orcid id ; Department of Chemistry, Biochemistry, and Clinical Chemistry, University of Zagreb, School of Medicine, Zagreb, Croatia

Puni tekst: engleski pdf 138 Kb

str. 217-224

preuzimanja: 607



Introduction: Metabolic syndrome (MetS) is a multifactorial disorder in which dyslipidemia plays an important role. Fatty acid-binding protein 2 (FABP 2) is responsible for transport of free fatty acids in the intestinal endothelium cells. FABP2-genetic variants might affect plasma lipid concentrations and intracellular lipid transport. The aim of this study was to investigate the association between FABP2 Ala54Thr genetic polymorphism and metabolic syndrome and some biochemical and anthropological parameters in elderly subjects.
Materials and methods: This cross-sectional study included 140 men and 176 women older than 70 years. Fasting serum concentration of glucose, lipid parameters, total proteins and C-reactive protein were determined by standardized methods. Presence (MetS(+)) or absence (MetS(-)) of MetS was determined according to criteria of the International Diabetes Federation. FABP2 genetic polymorphism Ala54Thr (rs1799883) was genotyped with PCR-RFPL.
Results: The genotype frequencies for Ala/Ala, Ala/Thr and Thr/Thr genotype were 60, 36 and 6 in MetS(-), and 131, 70 and 13 in MetS(+), respectively, without statistical significance (P = 0.567). A-la/Ala genotype was a subgroup of non-carriers, while Ala/Thr and Thr/Thr genotypes were Thr54-carriers. Median triglyceride concentration was significantly lower in carriers then in non-carriers for whole MetS(+) group (P = 0.050); there were no significant difference between men with MetS (P = 0.144), but there was a difference between women with MetS (P = 0.020). T-test showed that mean HDL cholesterol concentrations in MetS(+) group for Thr54-carriers was significantly higher in whole group (P = 0.001), and for both genders (men P = 0.039; women P = 0.004) as compared to non-carriers.
Conclusions: FABP2 genetic polymorphism is associated with lower triglyceride and higher HDL-cholesterol concentrations in elderly subjects with MetS. This genetic variation might be a useful mar-ker for understanding dyslipidemia in MetS.

Ključne riječi

fatty acid-binding proteins (FABPs), FABP2, genetic polymorphism, metabolic syndrome

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