Replication of previous genome-wide association studies of bone mineral density in premenopausal American women

Shoji Ichikawa, Daniel L. Koller, Leah R. Padgett, Dongbing Lai, Siu Hui, Munro Peacock, Tatiana Foroud, Michael Econs

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Bone mineral density (BMD) achieved during young adulthood (peak BMD) is one of the major determinants of osteoporotic fracture in later life. Genetic variants associated with BMD have been identified by three recent genome-wide association studies. The most significant single-nucleotide polymorphisms (SNPs) from these studies were genotyped to test whether they were associated with peak BMD in premenopausal American women. Femoral neck and lumbar spine BMD were determined by dual-energy X-ray absorptiometry in two groups of premenopausal women: 1524 white women and 512 black women. In premenopausal white women, two SNPs in the C6orf97/ESR1 region were significantly associated with BMD (p<4.8×10-4), with suggestive evidence for CTNNBL1 and LRP5 (p<.01). Evidence of association with one of the two SNPs in the C6orf97/ESR1 region also was observed in premenopausal black women. Furthermore, SNPs in SP7 and a chromosome 4 intergenic region showed suggestive association with BMD in black women. Detailed analyses of additional SNPs in the C6orf97/ESR1 region revealed multiple genomic blocks independently associated with femoral neck and lumbar spine BMD. Findings in the three published genome-wide association studies were replicated in independent samples of premenopausal American women, suggesting that genetic variants in these genes or regions contribute to peak BMD in healthy women in various populations.

Original languageEnglish
Pages (from-to)1821-1829
Number of pages9
JournalJournal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research
Volume25
Issue number8
DOIs
StatePublished - Aug 2010

Fingerprint

Genome-Wide Association Study
Bone Density
Single Nucleotide Polymorphism
Femur Neck
Spine
Chromosomes, Human, Pair 4
Intergenic DNA
Osteoporotic Fractures
Photon Absorptiometry

Keywords

  • Bone mineral density
  • Genome-wide association study
  • Linkage disequilibrium
  • Replication
  • Single-nucleotide polymorphism

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Endocrinology, Diabetes and Metabolism

Cite this

Replication of previous genome-wide association studies of bone mineral density in premenopausal American women. / Ichikawa, Shoji; Koller, Daniel L.; Padgett, Leah R.; Lai, Dongbing; Hui, Siu; Peacock, Munro; Foroud, Tatiana; Econs, Michael.

In: Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research, Vol. 25, No. 8, 08.2010, p. 1821-1829.

Research output: Contribution to journalArticle

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