Bone mineral density, osteoporosis, and osteoporotic fractures: a genome-wide association study

被引：530

作者：

Richards, J. B. ^{[1
]}

Rivadeneira, F. ^{[2
,3
]}

Inouye, M. ^{[4
]}

Pastinen, T. M. ^{[5
]}

Soranzo, N. ^{[4
]}

Wilson, S. G. ^{[6
,7
]}

Andrew, T. ^{[1
]}

Falchi, M. ^{[1
]}

Gwilliam, R. ^{[4
]}

Ahmadi, K. R. ^{[1
]}

Valdes, A. M. ^{[1
]}

Arp, P. ^{[2
]}

Whittaker, P. ^{[4
]}

Verlaan, D. J. ^{[5
,8
]}

Jhamai, M. ^{[2
]}

Kumanduri, V. ^{[4
]}

Moorhouse, M. ^{[2
]}

van Meurs, J. B. ^{[2
]}

Hofman, A. ^{[3
]}

Pols, H. A. P. ^{[2
,3
]}

Hart, D. ^{[1
]}

Zhai, G. ^{[1
]}

Kato, B. S. ^{[1
]}

Mullin, B. H. ^{[7
]}

Zhang, F. ^{[1
]}

Deloukas, P. ^{[4
]}

Uitterlinden, A. G. ^{[2
,3
]}

Spector, T. D. ^{[1
]}

机构：

[1] Kings Coll London, Dept Twin Res & Genet Epidemiol, London WC2R 2LS, England

[2] Erasmus MC, Dept Internal Med, Rotterdam, Netherlands

[3] Erasmus MC, Dept Epidemiol, Rotterdam, Netherlands

[4] Wellcome Trust Sanger Inst, Hinxton, England

[5] McGill Univ, Genome Quebec Innovat Ctr, Dept Human Genet, Montreal, PQ, Canada

[6] Univ Western Australia, Sch Med & Pharmacol, Crawley, WA, Australia

[7] Sir Charles Gairdner Hosp, Dept Endocrinol & Diabet, Nedlands, WA, Australia

[8] Univ Montreal, Hop St Justine, Montreal, PQ H3T 1C5, Canada

来源：

LANCET | 2008年 / 371卷 / 9623期

基金：

英国惠康基金;

关键词：

D O I：

10.1016/S0140-6736(08)60599-1

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Background Osteoporosis is diagnosed by the measurement of bone mineral density which is a highly heritable and multifactorial trait. We aimed to identify genetic loci that are associated with bone mineral density. Methods In this genome-wide association study, we identified the most promising of 314075 single nucleotide polymorphisms (SNPs) in 2094 women in a UK study. We then tested these SNPs for replication in 6463 people from three other cohorts in western Europe. We also investigated allelic expression in lymphoblast cell lines. We tested the association between the replicated SNPs and osteoporotic fractures with data from two studies. Findings We identified genome-wide evidence for an association between bone mineral density and two SNPs (p<5x10(-8)). The SNPs were rs4355801, on chromosome 8, near to the TNFRSF11B (osteoprotegerin) gene, and rs3736228, on chromosome 11 in the LRP5 (lipoprotein-receptor-related protein) gene. A non-synonymous SNP in the LRP5 gene was associated with decreased bone mineral density (rs3736228, p=6.3x10(-12) for lumbar spine and p=1.9x10(-4) for femoral neck) and an increased risk of both osteoporotic fractures (odds ratio [OR] 1.3, 95% Cl 1.09-1.52, p=0.002) and osteoporosis (OR 1.3, 1.08-1.63, p=0.008). Three SNPs near the TNFRSF11B gene were associated with decreased bone mineral density (top SNP, rs4355801: p=7.6x10(-10) for lumbar spine and p=3.3x10(-8) for femoral neck) and increased risk of osteoporosis (OR 1.2, 95% Cl 1 .01-1.42, p=0.038). For carriers of the risk allele at rs4355801, expression of TNFRSF11B in lymphoblast cell lines was halved (p=3.0x10(-6)). 1883 (22%) of 8557 people were at least heterozygous for these risk alleles, and these alleles had a cumulative association with bone mineral density (trend p=2.3x10(-17)). The presence of both risk alleles increased the risk of osteoporotic fractures (OR 1 .3, 1.08-1.63, p=0.006) and this effect was independent of bone mineral density. Interpretation Two gene variants of key biological proteins increase the risk of osteoporosis and osteoporotic fracture. The combined effect of these risk alleles on fractures is similar to that of most well-replicated environmental risk factors, and they are present in more than one in five white people, suggesting a potential role in screening. Funding Wellcome Trust, European Commission, NWO Investments, Arthritis Research Campaign, Chronic Disease Research Foundation, Canadian Institutes of Health Research, European Society for Clinical and Economic Aspects of Osteoporosis, Genome Canada, Genome Quebec, Canada Research Chairs, National Health and Medical Research Council of Australia, and European Union.

引用

页码：1505 / 1512

页数：8

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