A three-stage genome-wide association study combining multilocus test and gene expression analysis for young-onset hypertension in Taiwan Han Chinese
2014
Abstract Although many large-scale genome-wide association studies (GWASs) have been performed, only a few studies have successfully identified replicable, large-impact hypertension loci; even fewer studies have been done on Chinese subjects. Young-onset hypertension (YOH) is considered to be a more promising target disorder to investigate than late-onset hypertension because of its stronger genetic component. To map YOH genetic variants, we performed a 3-stage study combining 1st-stage multilocus GWASs, 2nd-stage gene expression analysis, and 3rd-stage multilocus confirmatory study. In the 1st stage, Illumina550K data from 400 case-control pairs were used, and 22 genes flanked by 14 single nucleotide polymorphism (SNP) septets (P values adjusted for false discovery rate (pFDR)
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