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FTO Genetic Variants and Risk of Obesity and Type 2 Diabetes: A Meta-Analysis of 28,394 Indians
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2014 (English)In: Obesity, ISSN 1930-7381, Vol. 22, no 3, 964-970 p.Article in journal (Refereed) Published
Abstract [en]

Objective: To investigate the magnitude of association of FTO variants with obesity, type 2 diabetes (T2DM), and related traits among Asian Indians. Methods: Random-effect meta-analysis was performed on pooled data from eight studies (n=28,394) for obesity and related traits and six studies (n=24,987) for assessment of T2DM risk in Indians where FTO variants were reported. Results: The minor A-allele of the FTO variant rs9939609 was associated with increased risk of obesity (OR 1.15, 95% CI 1.08-1.21, p=2.14 3 10 25), BMI (b=0.30 kg/m 2, 95% CI 0.21-0.38, p=4.78 3 10211) and other regional adiposity measurements [waist (b50.74 cm, 95% CI 0.49-0.99), HC (b=0.52, 95% CI 0.26-0.78), and waist-hip ratio (WHR) (b50.002, 95% CI 0.001-0.004)] in Indians (p = 0.001). An increased risk for T2DM (OR 1.11; 95% CI 1.04-1.19, p=0.002) was observed, which attenuated when adjusted for age, gender, and BMI (OR 1.09; 95% CI 1.02-1.16, p=0.01). Conclusions: Our study provides evidence of association between common FTO variant and obesity risk among Indians with comparable effect sizes as in Caucasians. The attenuation of FTO-T2DM risk on BMI adjustment reinforces that BMI does not fully account for the adiposity effects among Asian Indians who are more centrally obese.

Place, publisher, year, edition, pages
2014. Vol. 22, no 3, 964-970 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-223549DOI: 10.1002/oby.20606ISI: 000332224800049OAI: oai:DiVA.org:uu-223549DiVA: diva2:713565
Available from: 2014-04-23 Created: 2014-04-22 Last updated: 2016-01-26Bibliographically approved

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Ingelsson, ErikFall, Tove
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