ArticleBMC pediatrics2025
FTO and NOS3 genes associated with pediatric obesity: Corações de Ouro Preto study.
Article in BMC pediatrics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed.
- Precision nutrition in weight loss and neuroendocrine control of people with obesity: The study protocol of a factorial randomised controlled trial (GenON Programme).Diabetes, obesity & metabolism · 2026Article
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13 authors.
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Abstract
backgroundObesity is the largest global public health epidemic, increasingly affecting children and adolescents. Studies suggest that genetic markers such as single nucleotide polymorphisms (SNPs) may be associated with the development of obesity. Obesity susceptibility genes identified include alpha-ketoglutarate-dependent dioxygenase (FTO), endothelial nitric oxide (NOS3) and apolipoprotein B (APOB). Furthermore genetic predisposition can interact with other environmental factors, such as clinical risk factors for obesity. In this context, the potential interaction between these SNPs and clinical risk factors such as non-exclusive breastfeeding, high birth weight, and a family history of chronic diseases warrants investigation. There is a clear need for more research on the FTO, NOS3 and APOB genes in Brazilian children. The purpose of this study was to evaluate the associations between SNPs in the FTO (rs1121980), NOS3 (rs1799983) and APOB (rs693) genes and obesity as well as to investigate the combined influence of significant SNPs in children and adolescents in Ouro Preto, Minas Gerais, Brazil.
methodsA cross-sectional population-based study was conducted with elementary school students aged 6-17 years in Ouro Preto, Minas Gerais, between April and December 2021. The study evaluated sociodemographic, clinical, and biochemical variables and the SNPs rs1121980, rs1799983 and rs693 in the FTO, NOS3 and APOB genes, respectively, for associations with obesity.
resultsThe study revealed that the prevalence of obesity was notably high, reaching 8.5% in the study population. Homozygotes for the risk alleles of the FTO and NOS3 genes (genotypes AA and TT, respectively) remained significant, with both showing a more than twofold increased likelihood of being obese [OR: 2.07 (CI: 1.02-4.20) and 2.49 (CI: 1.08-5.73), respectively]. The same combination of alleles associated with clinical risk factors (nonexclusive breastfeeding, high birth weight, family history of diabetes, obesity and dyslipidemia) was associated with a significantly greater chance of being obese at a young age.
conclusionsOur results support the idea that the SNP rs1121980 in the FTO gene and rs1799983 in the NOS3 gene can affect the occurrence of obesity in Brazilian children and adolescents living in urban areas.
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