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- Title
ROLE OF RS9939609 FTO GENE VARIANT IN WEIGHT LOSS, INSULIN RESISTANCE AND METABOLIC PARAMETERS AFTER A HIGH MONOUNSATURATED VS A HIGH POLYUNSATURATED FAT HYPOCALORIC DIETS.
- Authors
de Luis, Daniel Antonio; Aller, Rocío; Izaola, Olatz; Pacheco, D.
- Abstract
<bold>Introduction: </bold>common polymorphisms (rs9939609) of the fat mass and obesity associated gene (FTO) have been linked to obesity. <bold>Objectives: </bold>our aim was to investigate the role of this polymorphism on insulin resistance, metabolic changes and weight loss secondary to a high monounsaturated fat vs a high polyunsaturated fat hypocaloric diets. <bold>Material and Methods: </bold>a sample of 233 obese subjects was enrolled in a prospective way. In the basal visit, patients were randomly allocated during 3 months to; Diet M (high monounsaturated fat hypocaloric diet) or Diet P (high polyunsaturated fat hypocaloric diet). <bold>Results: </bold>after treatment with two diets and in both genotypes, weight, fat mass and waist circumference decreased. Lower levels of body mass index (BMI), weight and fat mass were detected after Diet P in A allele carriers than TT genotype subjects. With the diet type P and in both genotypes (TT and AT + AA), total cholesterol levels (-15.3 + 35.1 mg/dl vs -11.6 + 32.1 mg/dl: p > 0.05) and LDL cholesterol levels (-11.5 + 34.1 mg/dl vs -8.5 + 30.1 mg/dl: p > 0.05) decreased. In A allele carriers a significant decreased was detected in insulin levels (-2.8 + 2.1 UI/L vs -1.3 + 8.0 UI/L: p < 0.05) and HOMA index (-1.0 + 1.3 vs -0.2 + 2.1: p > 0.05), too. With the diet M and in both genotype groups, leptin levels (-8.0 + 17.1 ng/ ml vs -4.9 + 18.7 ng/ml: p > 0.05) decreased. Conclusiones: metabolic improvement secondary to weight loss was better in A carriers with a high polyunsaturated fat hypocaloric diet.
- Subjects
OBESITY genetics; WEIGHT loss; INSULIN resistance; MONOUNSATURATED fatty acids; UNSATURATED fatty acids; DIET
- Publication
Nutrición Hospitalaria, 2015, Vol 32, Issue 1, p175
- ISSN
0212-1611
- Publication type
journal article
- DOI
10.3305/nh.2015.32.1.9169