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Antioxidant Enzymes Haplotypes and Polymorphisms Associated with Obesity in Mexican Children.
Antioxidants ( IF 7 ) Pub Date : 2020-08-01 , DOI: 10.3390/antiox9080684
Paula Costa-Urrutia 1 , Aline Mariana Flores-Buendía 1, 2 , Iván Ascencio-Montiel 3 , Jacqueline Solares-Tlapechco 1 , Omar Noel Medina-Campos 2 , José Pedraza-Chaverri 2 , Julio Granados 4 , Angélica Saraí Jiménez-Osorio 1 , Martha Eunice Rodríguez-Arellano 1
Affiliation  

Obesity is a major health problem worldwide and constitutes a sanitary emergency in Mexico, especially childhood obesity. Several studies have proved the relationship between obesity and oxidative stress and the influence of genetic predisposition. This work was aimed to analyze the association of antioxidant enzyme polymorphisms with overweight and obesity in Mexican children and adolescents. A case-control study was performed in 585 children and adolescents aged 3 to 17 years, using two criteria to classify obesity: body mass index (BMI) and body fat percentage (BFP). Anthropometric and biochemical measurements were carried out, and malondialdehyde serum levels were determined. Genotyping was done with the Axiom Genome-Wide LAT microarray, including 68 single nucleotide polymorphisms (SNPs) of the glutathione peroxidase (GPX) and paraoxonase (PON) families. We found six haplotypes associated with obesity—two of them (one in GPX3 and the other in GPX5 and GPX6) in a protective direction when obesity was classified by BMI. The other four haplotypes were associated with obesity when classification was based on BFP—one of them in GPX3 in a protective direction and the others in PON genes conferring obesity risk. In addition, two SNPs, GPX3 rs922429 and GPX4 rs2074451 showed protection against obesity classified by BFP. This study showed genetic susceptibility to oxidative stress in relation to obesity in Mexican children and opens up the possibility that some genetic loci related to obesity are not identified when weight classification is based on BMI.

中文翻译:

与墨西哥儿童肥胖相关的抗氧化酶单倍型和多态性。

肥胖是世界范围内的主要健康问题,在墨西哥构成卫生紧急情况,尤其是儿童肥胖。多项研究证明了肥胖与氧化应激之间的关系以及遗传易感性的影响。这项工作旨在分析墨西哥儿童和青少年中抗氧化酶基因多态性与超重和肥胖的关系。一项针对585名3至17岁儿童和青少年的病例对照研究,使用两种对肥胖症进行分类的标准:体重指数(BMI)和体脂百分比(BFP)。进行人体测量和生化测量,并测定丙二醛血清水平。基因分型是使用Axiom Genome-Wide LAT微阵列进行的,包括谷胱甘肽过氧化物酶(GPX)和对氧磷酶(PON)家族的68个单核苷酸多态性(SNP)。当通过BMI对肥胖进行分类时,我们发现了与肥胖相关的六种单倍型-其中两种(在GPX3中为一种,在GPX5和GPX6中为另一种)。当基于BFP进行分类时,其他四种单倍型与肥胖相关,其中一种在保护性方向上位于GPX3中,另一种在PON基因中具有肥胖风险。另外,两个BNP GPX3 rs922429和GPX4 rs2074451也显示出针对肥胖的保护作用。这项研究显示了墨西哥儿童与肥胖有关的氧化应激的遗传易感性,并提出了在基于体重指数进行体重分类时未识别出与肥胖有关的某些遗传基因的可能性。当通过BMI对肥胖进行分类时,我们发现了与肥胖相关的六种单倍型-其中两种(在GPX3中为一种,在GPX5和GPX6中为另一种)。当基于BFP进行分类时,其他四种单倍型与肥胖相关,其中一种在保护性方向上位于GPX3中,另一种在PON基因中具有肥胖风险。另外,两个BNP GPX3 rs922429和GPX4 rs2074451也显示出针对肥胖的保护作用。这项研究显示了墨西哥儿童与肥胖有关的氧化应激的遗传易感性,并提出了在基于体重指数进行体重分类时未识别出与肥胖有关的某些遗传基因的可能性。当通过BMI对肥胖进行分类时,我们发现了与肥胖相关的六种单倍型-其中两种(在GPX3中为一种,在GPX5和GPX6中为另一种)。当基于BFP进行分类时,其他四种单倍型与肥胖相关,其中一种在保护性指导下在GPX3中,另一种在PON基因中赋予肥胖风险。另外,两个BNP GPX3 rs922429和GPX4 rs2074451也显示出针对肥胖的保护作用。这项研究显示了墨西哥儿童与肥胖有关的氧化应激的遗传易感性,并提出了在基于体重指数进行体重分类时未识别出与肥胖有关的某些遗传基因的可能性。当基于BFP进行分类时,其他四种单倍型与肥胖相关,其中一种在保护性指导下在GPX3中,另一种在PON基因中赋予肥胖风险。另外,两个BNP GPX3 rs922429和GPX4 rs2074451也显示出针对肥胖的保护作用。这项研究表明,墨西哥儿童中与肥胖有关的遗传易感性对氧化应激的敏感性,并提出了在基于BMI进行体重分类时未发现与肥胖相关的某些遗传基因座的可能性。当基于BFP进行分类时,其他四种单倍型与肥胖相关,其中一种在保护性方向上位于GPX3中,另一种在PON基因中具有肥胖风险。另外,两个BNP GPX3 rs922429和GPX4 rs2074451也显示出针对肥胖的保护作用。这项研究显示了墨西哥儿童与肥胖有关的氧化应激的遗传易感性,并提出了在基于体重指数进行体重分类时未识别出与肥胖有关的某些遗传基因的可能性。
更新日期:2020-08-01
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