The fat-mass and obesity-associated gene (FTO) predicts mortality in chronic kidney disease of various severity

B (Belinda) Spoto, F.U.S. Mattace Raso, E.J.G. Sijbrands, F Mallamaci, D Leonardis, F Aucella, A Testa, A Gesuete, MC Sanguedolce, G D'Arrigo, RM Parlongo, A Pisano, C (Claudia) Torino, G Enia, G Tripepi, M Postorino, C Zoccali

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Abstract

Polymorphisms in the FTO (fat-mass and obesity-associated) gene have been associated with the body mass index, cancer, type 2 diabetes and hypertension. We investigated the relationship between 17 tag single-nucleotide polymorphisms (SNPs) and all-cause mortality in three cohorts of dialysis patients (CREED-1, North Apulian and CREED-2 cohorts; n 783) and in one cohort of stage 25 CKD patients (n 757). We first explored the association between the 17 tag SNPs and all-cause mortality in the CREED-1 cohort and found that patients with the A allele of the FTO rs708259 polymorphism had an elevated risk of mortality (hazard ratio, HR: 1.52, 95 confidence interval (CI) 1.112.08; P 0.008). Similarly, the A allele was associated with an increased risk of death also in the other two dialysis cohorts (North Apulian cohort, risk: 23; CREED-2 cohort, risk: 21). The elevated risk portended by this allele w The A allele of the FTO rs708259 polymorphism is an independent predictor of all-cause mortality in patients with CKD of various severity. These data support our hypothesis that the FTO gene may be a relevant genetic risk factor for mortality in this population.
Original languageUndefined/Unknown
Pages (from-to)iv58-iv62
JournalNephrology Dialysis Transplantation
Volume27
DOIs
Publication statusPublished - 2012

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