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Twenty bone-mineral-density loci identified by large-scale meta-analysis of genome-wide association studies.

ABSTRACT: Bone mineral density (BMD) is a heritable complex trait used in the clinical diagnosis of osteoporosis and the assessment of fracture risk. We performed meta-analysis of five genome-wide association studies of femoral neck and lumbar spine BMD in 19,195 subjects of Northern European descent. We identified 20 BMD loci that reached genome-wide significance (GWS; P < 5 x 10(-8)), of which 13 map to regions not previously associated with this trait: 1p31.3 (GPR177), 2p21 (SPTBN1), 3p22 (CTNNB1), 4q21.1 (MEPE), 5q14 (MEF2C), 7p14 (STARD3NL), 7q21.3 (FLJ42280), 11p11.2 (LRP4, ARHGAP1, F2), 11p14.1 (DCDC5), 11p15 (SOX6), 16q24 (FOXL1), 17q21 (HDAC5) and 17q12 (CRHR1). The meta-analysis also confirmed at GWS level seven known BMD loci on 1p36 (ZBTB40), 6q25 (ESR1), 8q24 (TNFRSF11B), 11q13.4 (LRP5), 12q13 (SP7), 13q14 (TNFSF11) and 18q21 (TNFRSF11A). The many SNPs associated with BMD map to genes in signaling pathways with relevance to bone metabolism and highlight the complex genetic architecture that underlies osteoporosis and variation in BMD.

SUBMITTER: Rivadeneira F

PROVIDER: S-EPMC2783489 | biostudies-literature | 2009 Nov

REPOSITORIES: biostudies-literature

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Twenty bone-mineral-density loci identified by large-scale meta-analysis of genome-wide association studies.

Rivadeneira Fernando F Styrkársdottir Unnur U Estrada Karol K Halldórsson Bjarni V BV Hsu Yi-Hsiang YH Richards J Brent JB Zillikens M Carola MC Kavvoura Fotini K FK Amin Najaf N Aulchenko Yurii S YS Cupples L Adrienne LA Deloukas Panagiotis P Demissie Serkalem S Grundberg Elin E Hofman Albert A Kong Augustine A Karasik David D van Meurs Joyce B JB Oostra Ben B Pastinen Tomi T Pols Huibert A P HA Sigurdsson Gunnar G Soranzo Nicole N Thorleifsson Gudmar G Thorsteinsdottir Unnur U Williams Frances M K FM Wilson Scott G SG Zhou Yanhua Y Ralston Stuart H SH van Duijn Cornelia M CM Spector Timothy T Kiel Douglas P DP Stefansson Kari K Ioannidis John P A JP Uitterlinden André G AG

Nature genetics 20091004 11

Bone mineral density (BMD) is a heritable complex trait used in the clinical diagnosis of osteoporosis and the assessment of fracture risk. We performed meta-analysis of five genome-wide association studies of femoral neck and lumbar spine BMD in 19,195 subjects of Northern European descent. We identified 20 BMD loci that reached genome-wide significance (GWS; P < 5 x 10(-8)), of which 13 map to regions not previously associated with this trait: 1p31.3 (GPR177), 2p21 (SPTBN1), 3p22 (CTNNB1), 4q2 ...[more]

PMID: 19801982

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Project description:Aiming to identify more genomic loci associated with bone mineral density (BMD), we conducted a joint association analysis of 2 genome-wide association study (GWAS) by the integrative association method multi-trait analysis of GWAS (MTAG). The first one is the single GWAS of estimated heel BMD (eBMD) in the UK biobank (UKB) cohort (N = 426,824), and the second one is the GWAS meta-analysis of total body BMD (TB-BMD) in 66,628 participants from 30 studies. Approximate conditional association analysis was performed in the identified novel loci to identify secondary association signal. Statistical fine-mapping was conducted to prioritize plausible credible risk variants (CRVs). Candidate genes were prioritized based on the analyses of cis- expression quantitative trait locus (cis-eQTL) and cis-protein QTL (cis-pQTL) information as well as the functional category of the SNP. By integrating the information carried in over 490,000 participants, this largest joint analysis of BMD GWAS identified 12 novel genomic loci at the genome-wide significance level (GWS, p = 5.0 × 10-8), nine of which were for eBMD and four were for TB-BMD, explaining an additional 0.11 and 0.23% heritability for the two traits, respectively. These loci include 1p33 (lead SNP rs10493130, peBMD = 3.19 × 10-8), 5q13.2 (rs4703589, peBMD = 4.78 × 10-8), 5q31.3 (rs9324887, pTB-BMD = 1.36 × 10-9), 6p21.32 (rs6905837, peBMD = 3.32 × 10-8), 6q14.1 (rs10806234, peBMD = 2.63 × 10-8), 7q21.11 (rs10806234, pTB-BMD = 3.37 × 10-8), 8q24.12 (rs11995866, peBMD = 6.72 × 10-9), 12p13.31 (rs1639122, peBMD = 4.43 × 10-8), 12p12.1 (rs58489179, peBMD = 4.74 × 10-8), 12q24.23 (rs75499226, peBMD = 1.44 × 10-8), 19q13.31 (rs7255083, pTB-BMD = 2.18 × 10-8) and 22q11.23 (rs13056137, pTB-BMD = 2.54 × 10-8). All lead SNPs in these 12 loci are nominally significant in both original studies as well as consistent in effect direction between them, providing solid evidence of replication. Approximate conditional analysis identified one secondary signal in 5q13.2 (rs11738874, pconditional = 5.06 × 10-9). Statistical fine-mapping analysis prioritized 269 CRVs. A total of 65 candidate genes were prioritized, including those with known biological function to bone development (such as FGF1, COL11A2 and DEPTOR). Our findings provide novel insights into a better understanding of the genetic mechanism underlying bone development as well as candidate genes for future functional investigation.

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Twenty bone-mineral-density loci identified by large-scale meta-analysis of genome-wide association studies.

Publications

Twenty bone-mineral-density loci identified by large-scale meta-analysis of genome-wide association studies.

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