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The bigger picture of FTO—the first GWAS-identified obesity gene

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Loos, Ruth J. F., Yeo, Giles S. H.·2014·Nature Reviews Endocrinology

Abstract

Single nucleotide polymorphisms (SNPs) that cluster in the first intron of fat mass and obesity associated (FTO) gene are associated obesity traits in genome-wide association studies. The minor allele increases BMI by 0.39 kg/m2 (or 1,130 g in body weight) and risk of obesity by 1.20-fold. This association has been confirmed across age groups and populations of diverse ancestry; the largest effect is seen in young adulthood. The effect of FTO SNPs on obesity traits in populations of African and Asian ancestry is similar or somewhat smaller than in European ancestry populations. However, the BMI-increasing allele in FTO is substantially less prevalent in populations with non-European ancestry. FTO SNPs do not influence physical activity levels; yet, in physically active individuals, FTO's effect on obesity susceptibility is attenuated by approximately 30%. Evidence from epidemiological and functional studies suggests that FTO confers an increased risk of obesity by subtly changing food intake and preference. Moreover, emerging data suggest a role for FTO in nutrient sensing, regulation of mRNA translation and general growth. In this Review, we discuss the genetic epidemiology of FTO and discuss how its complex biology might link to the regulation of body weight.

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Metadata

Authors
Loos, R. J. F., & Yeo, G. S. H.
Venue
Nature Reviews Endocrinology
Published
2013-11-19
Volume
10
Issue
1
Pages
51-61
ISSN
  • 1759-5029 (ISSN-L)
  • 1759-5037
OpenAlex
W2108303181
Cited by
723
References
18
FWCI
4.36
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: The bigger picture of FTO—the first GWAS-identified obesity gene. https://app.cochat.ai/papers/10.1038/nrendo.2013.227
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Loos, R. J. F., & Yeo, G. S. H. (2014). The bigger picture of FTO—the first GWAS-identified obesity gene. Nature Reviews Endocrinology. https://doi.org/10.1038/nrendo.2013.227

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