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  • Title: [Regional features of obesity-associated gene polymorphism (rs9939609 FTO gene and gene Trp64Arg ADRB3) in Russian population].
    Author: Baturin AK, Sorokina EIu, Pogozheva AV, Peskova EV, Makurina ON, Tutel'ian VA.
    Journal: Vopr Pitan; 2014; 83(2):35-41. PubMed ID: 25059067.
    Abstract:
    Recent studies have shown a significant association with obesity polymorphisms: rs9939609 gene due to fat mass and obesity FTO in European and some Asian and African American populations Trp64Arg ADRB3 gene in several European populations. Association of variants rs9939609 and Trp64Arg obesity was studied in 1244 the inhabitants of Moscow and Sverdlovsk regions. Genotyping was performed using allele-specific amplification, detection results in real time using TaqMan-probes complementary DNA polymorphic sites. The frequency of the mutant allele of the FTO gene in the population of Moscow and Sverdlovsk region was 45.1%, with the TT genotype was detected in 30.2% of cases, AT--49.5%, AA--20.3%. Women had the presence of the mutant allele more likely than men (48.4 vs. 42.5%). People with obesity were more genotypes AA (26.3%) and AT (52.8%) compared to the surveyed with a BMI of less than 30 kg/m2 (respectively 18.1 and 50.7%). A significantly higher incidence of risk allele A was found in individuals with obesity (52.6 and 43.4%). The presence of the mutant allele of the gene ADRB3 among the population of Moscow and Sverdlovsk regions was noted in 7.4% of cases. While 15.5% of patients had a heterozygous genotype Trp64Arg ADRB3, that is consistent with international research. The frequency of the risk allele and genotype Arg64 Trp64Arg in women (9.3 and 18.5%) was significantly higher than men (6.2 and 12.2%). The presence of the mutant allele and genotype Trp64Arg ADRB3 (respectively, 9.1 and 18.1%) were significantly more marked in the examined obese compared with those with a body mass index less than 30 kg/m2 (7.4 and 14.9%), but these differences were not statistically significant. The results of these studies suggest that genetic variants of the FTO gene rs9939609 genotype and Trp64Arg ADRB3 contribute to the development of obesity among residents of Moscow and Sverdlovsk Region of Russia. The risk of obesity increases in the case of combined polymorphisms in both genes.
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