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Association of rs9939609 Polymorphism with Metabolic Parameters and FTO Risk Haplotype Among Tunisian Metabolic Syndrome

Abstract : Background: Variants in the fat mass and obesity-associated (FTO) gene are associated with obesity and type 2 diabetes mellitus. Aim of the study: This study aims to assess the association of the rs9939609 variant and haplotypes in FTO gene with metabolic syndrome (MetS) components in a Tunisian population sample. Methods: A total of 685 Tunisian subjects were genotyped for the rs9939609T>A using TaqMan allelic discrimination assay. Two variants rs1421085T>C and rs8057044A>G already genotyped in a previous study were used to test haplotype association of the FTO gene. Results: Genotype distribution of the variant rs9939609 was different between MetS and controls (P = 0.017). Individuals carrying TA genotypes had a significantly increased risk independently of body mass index or age (P = 0.009). The variant rs9939609 was also associated with impaired fasting glucose (IFG) (P = 0.002). Among the eight haplotypes in the population, the haplotype GCA was significantly associated with a higher risk of developing the MetS, higher systolic blood pressure, and higher levels of fasting glucose and triglycerides (TGs) in the total sample and females, separately. Separate analysis by gender revealed a protective haplotype TGT among women (P = 0.023). Conclusions:FTO haplotypes have a strong influence on blood pressures and TG and IFG levels. These findings provide evidence that FTO gene may play a critical role in leading to MetS in Tunisian population.
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https://hal-riip.archives-ouvertes.fr/pasteur-01969533
Contributor : Institut Pasteur Tunis <>
Submitted on : Friday, January 4, 2019 - 11:27:08 AM
Last modification on : Friday, July 19, 2019 - 4:02:43 PM

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Sahar Elouej, Hanen Belfki-Benali, Majdi Nagara, Khaled Lasram, Redha Attaoua, et al.. Association of rs9939609 Polymorphism with Metabolic Parameters and FTO Risk Haplotype Among Tunisian Metabolic Syndrome. Metabolic Syndrome and Related Disorders, Mary Ann Liebert, 2016, 14 (2), pp.121-128. ⟨10.1089/met.2015.0090⟩. ⟨pasteur-01969533⟩

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