DESCRIPTION:

List of positional candidate genes after correcting for multiple testing and controlling the false discovery rate from genome wide association studies (GWAS) retrieved from the NHGRI-EBI Catalog of published genome-wide association studies (http://www.ebi.ac.uk/gwas/). The disease/trait examined in this study, as reported by the authors, was Magnesium levels. The EFO term magnesium measurement was annotated to this set after curation by NHGRI-EBI. Intergenic SNPS were mapped to both the upstream and downstream gene. P-value uploaded. This gene set was generated using gwas2gs v. 0.1.8 and the GWAS Catalog v. 1.0.1.

LABEL:

GWAS: magnesium measurement

SCORE TYPE:

P-Value

DATE ADDED:

2017-05-02

DATE UPDATED:

2024-04-25

SPECIES:

AUTHORS:

X Chang, J Glessner, A Tin, J Li, Y Guo, Z Wei, Y Liu, FD Mentch, C Hou, Y Zhao, T Wang, H Qiu, C Kim, PM Sleiman, H Hakonarson

TITLE:

Genome-wide association study reveals two loci for serum magnesium concentrations in European-American children.

JOURNAL:

Scientific reports Dec 2015, Vol 5, pp. 18792

ABSTRACT:

Magnesium ions are essential to the basic metabolic processes in the human body. Previous genetic studies indicate that serum magnesium levels are highly heritable, and a few genetic loci have been reported involving regulation of serum magnesium in adults. In this study, we examined if additional loci influence serum magnesium levels in children. We performed a genome-wide association study (GWAS) on 2,267 European-American children genotyped on the Illumina HumanHap550 or Quad610 arrays, sharing over 500,000 markers, as the discovery cohort and 257 European-American children genotyped on the Illumina Human OmniExpress arrays as the replication cohort. After genotype imputation, the strongest associations uncovered were with imputed SNPs residing within the FGFR2 (rs1219515, P = 1.1 × 10(-5)) and PAPSS2 (rs1969821, P = 7.2 × 10(-6)) loci in the discovery cohort, both of which were robustly replicated in our independent patient cohort (rs1219515, P = 3.5 × 10(-3); rs1969821, P = 1.2 × 10(-2)). The associations at the FGFR2 locus were also weakly replicated in a dataset from a previous GWAS of serum magnesium in European adults. Our results indicate that FGFR2 and PAPSS2 may play an important role in the regulation of magnesium homeostasis in children of European-American ancestry. PUBMED: 26685716
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