Abstract
One common genetic variant rs822393 (-4522C/T) is located in the proximal promoter region of the ADIPOQ gene. The SNP rs822393 regulates adiponectin promoter activity and is associated with hypoadiponectinemia. The aim of our study was to analyze the effects after a hypocaloric diet with Mediterranean diet pattern on serum lipid and adipokine levels taking to account rs822393 of ADIPOQ. A population of 270 obese patients was enrolled. Anthropometric parameter and serum parameters (lipid profile, insulin, homeostasis model assessment (HOMA-IR), glucose, C reactive protein, adiponectin, resistin and leptin levels) were measured, at basal time and after 3 months. All patients were genotyped in the rs822393 polymorphism. The genotype distribution was: 160 patients (59.3%) CC, 96 patients CT (35.6%) and 14 patients CT (5.1%). After dietary intervention, BMI, weight, fat mass, waist circumference, systolic blood pressure, insulin levels, HOMA-IR, total cholesterol and LDL- cholesterol improved significantly in both genotypes. After dietary intervention (CC vs. CT+TT), HDL-cholesterol (delta: 5.4±1.4 mg/dl vs. -1.8±0.7 mg/dl; p=0.03), serum adiponectin (delta: 21.2±4.1 ng/dl vs. 3.8±3.3 ng/dl; p=0.02) and adiponectin/leptin ratio (delta: 0.53±0.1 vs. 0.16±0.3 ng/dl; p=0.02) improved only in non-T allele carriers. Basal and post-intervention HDL cholesterol, adiponectin levels and adiponectin/leptin ratio were lower in T-allele carriers than non-T Allele carriers. T allele carriers show lower levels of HDL-cholesterol, adiponectin and adiponectin/leptin ratio than non-T allele carriers. During a hypocaloric diet with Mediterranean partner increases HDL Cholesterol, adiponectin levels and ratio adiponectin/leptin in non-T allele carriers.
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More From: European review for medical and pharmacological sciences
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