A genome-wide association search for type 2 diabetes genes in African Americans

Nicholette D Palmer, Caitrin W McDonough, Pamela J Hicks, Bong H Roh, Maria R Wing, S Sandy An, Jessica M Hester, Jessica N Cooke, Meredith A Bostrom, Megan E Rudock, Matthew E Talbert, Joshua P Lewis, Assiamira Ferrara, Lingyi Lu, Julie T Ziegler, Michele M Sale, Jasmin Divers, Daniel Shriner, Adebowale Adeyemo, Charles N RotimiMaggie C Y Ng, Carl D Langefeld, Barry I Freedman, Donald W Bowden, DIAGRAM Consortium, MAGIC Investigators

    Research output: Contribution to journalArticlepeer-review

    120 Citations (Scopus)

    Abstract

    African Americans are disproportionately affected by type 2 diabetes (T2DM) yet few studies have examined T2DM using genome-wide association approaches in this ethnicity. The aim of this study was to identify genes associated with T2DM in the African American population. We performed a Genome Wide Association Study (GWAS) using the Affymetrix 6.0 array in 965 African-American cases with T2DM and end-stage renal disease (T2DM-ESRD) and 1029 population-based controls. The most significant SNPs (n?=?550 independent loci) were genotyped in a replication cohort and 122 SNPs (n?=?98 independent loci) were further tested through genotyping three additional validation cohorts followed by meta-analysis in all five cohorts totaling 3,132 cases and 3,317 controls. Twelve SNPs had evidence of association in the GWAS (P
    Original languageEnglish
    Pages (from-to)e29202
    JournalPLoS ONE
    Volume7
    Issue number1
    DOIs
    Publication statusPublished - 2012

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