GWAS and transcriptional analysis prioritize ITPR1 and CNTN4 for a serum uric acid 3p26 QTL in Mexican Americans

G. Chittoor, J.W. Kent, M. Almeida, S. Puppala, V.S. Farook, S.A. Cole, K. Haack, H.H.H. Göring, J.W. MacCluer, J.E. Curran, M.A. Carless, M.P. Johnson, Eric K. Moses, L. Almasy, M.C. Mahaney, D.M. Lehman, R. Duggirala, A.G. Comuzzie, J. Blangero, V.S. Voruganti

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14 Citations (Scopus)

Abstract

© 2016 Chittoor et al. Background: The variation in serum uric acid concentrations is under significant genetic influence. Elevated SUA concentrations have been linked to increased risk for gout, kidney stones, chronic kidney disease, and cardiovascular disease whereas reduced serum uric acid concentrations have been linked to multiple sclerosis, Parkinson's disease and Alzheimer's disease. Previously, we identified a novel locus on chromosome 3p26 affecting serum uric acid concentrations in Mexican Americans from San Antonio Family Heart Study. As a follow up, we examined genome-wide single nucleotide polymorphism data in an extended cohort of 1281 Mexican Americans from multigenerational families of the San Antonio Family Heart Study and the San Antonio Family Diabetes/Gallbladder Study. We used a linear regression-based joint linkage/association test under an additive model of allelic effect, while accounting for non-independence among family members via a kinship variance component. Results: Univariate genetic analysis indicated serum uric acid concentrations to be significant heritable (h 2=0.50±0.05, p
Original languageEnglish
Article number276
JournalBMC Genomics
Volume17
Issue number1
DOIs
Publication statusPublished - 2 Apr 2016

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