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Meta-analysis of genome-wide studies identifies MEF2C SNPs associated with bone mineral density at forearm

By Hou-Feng Zheng, Emma L. Duncan, Laura M. Yerges-Armstrong, Joel Eriksson, Ulrica Bergström, Paul J. Leo, William D. Leslie, David Goltzman, John Blangero, David A. Hanley, Melanie A. Carless, Elizabeth A. Streeten, Mattias Lorentzon, Matthew A. Brown, Tim D. Spector, Ulrika Pettersson-Kymmer, Claes Ohlsson, Braxton D. Mitchell and J. Brent Richards


Background: Forearm fractures affect 1.7 million individuals worldwide each year and most occur earlier in life than hip fractures. While the heritability of forearm bone mineral density (BMD) and fracture is high, their genetic determinants are largely unknown. Aim: To identify genetic variants associated with forearm BMD and forearm fractures. Methods: BMD at distal radius, measured by dualenergy x-ray absorptiometry, was tested for association with common genetic variants. We conducted a metaanalysis of genome-wide association studies for BMD in 5866 subjects of European descent and then selected the variants for replication in 715 Mexican American samples. Gene-based association was carried out to supplement the single-nucleotide polymorphism (SNP) association test. We then tested the BMD-associated SNPs for association with forearm fracture in 2023 cases and 3740 controls. Results: We found that five SNPs in the introns of MEF2C were associated with forearm BMD at a genome-wide significance level (

Topics: Osteoporosis, Genetics, Disease, 1311 Genetics, 2716 Genetics (clinical)
Publisher: B M J Group
Year: 2013
DOI identifier: 10.1136/jmedgenet-2012-101287
OAI identifier:

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