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The association between common vitamin D receptor gene variations and osteoporosis: A participant-level meta-analysis

  • APOSS investigators
  • , EPOS investigators
  • , EPOLOS investigators
  • , FAMOS investigators
  • , LASA investigators
  • , Rotterdam Study investigators
  • , André Uitterlinden
  • , Stuart H. Ralston
  • , Maria Luisa Brandi
  • , Alisoun H. Carey
  • , Daniel Grinberg
  • , Bente L. Langdahl
  • , Paul Lips
  • , Roman Lorenc
  • , Barbara Obermayer-Pietsch
  • , Jonathan Reeve
  • , David M. Reid
  • , Antonietta Amedei
  • , Amelia Bassiti
  • , Mariona Bustamante
  • Lise Bjerre Husted, Adolfo Diez-Perez, Harald Dobnig, Alison M. Dunning, Anna Enjuanes, Astrid Fahrleitner-Pammer, Y (Yue) Fang, Elzbieta Karczmarewicz, Marcin Kruk, Hans van Leeuwen, Carmelo Mavilia, Joyce van Meurs, Jon Mangion, Fiona E.A. McGuigan, Huib Pols, Wilfried Renner, Fernando Rivadeneira, Natasja M. van Schoor, Serena Scollen, Rachael E. Sherlock, John P.A. Ioannidis
  • University of Edinburgh
  • University of Florence
  • Oxagen Limited
  • University of Barcelona
  • Aarhus University Hospital
  • VU University Medical Center
  • Children's Memorial Health Institute
  • Medical University of Graz
  • University of Cambridge
  • University of Aberdeen School of Medicine, Medical Sciences and Nutrition
  • Hospital del Mar Medical Research Institute (IMIM)
  • University of Ioannina Medical School
  • Foundation for Research and Technology-Hellas

Research output: Contribution to journalArticleAcademicpeer-review

240 Citations (Scopus)

Abstract

Background: Polymorphisms of the vitamin D receptor (VDR) gene have been implicated in the genetic regulation of bone mineral density (BMD). However, the clinical impact of these variants remains unclear.

Objective: To evaluate the relation between VDR polymorphisms, BMD, and fractures.

Design: Prospective multicenter large-scale association study.

Setting: The Genetic Markers for Osteoporosis consortium, involving 9 European research teams.

Participants: 26 242 participants (18 405 women).

Measurements: Cdx2 promoter, FokI, BsmI, ApaI, and TaqI polymorphisms; BMD at the femoral neck and the lumbar spine by dual x-ray absorptiometry; and fractures.

Results: Comparisons of BMD at the lumbar spine and femoral neck showed nonsignificant differences less than 0.011 g/cm2 for any genotype with or without adjustments. A total of 6067 participants reported a history of fracture, and 2088 had vertebral fractures. For all VDR alleles, odds ratios for fractures were very close to 1.00 (range, 0.98 to 1.02) and collectively the 95% CIs ranged from 0.94 (lowest) to 1.07 (highest). For vertebral fractures, we observed a 9% (95% CI, 0% to 18%; P = 0.039) risk reduction for the Cdx2 A-allele (13% risk reduction in a dominant model).

Limitations: The authors analyzed only selected VDR polymorphisms. Heterogeneity was detected in some analyses and may reflect some differences in collection of fracture data across cohorts. Not all fractures were related to osteoporosis.

Conclusions: The FokI, BsmI, ApaI, and TaqI VDR polymorphisms are not associated with BMD or with fractures, but the Cdx2 polymorphism may be associated with risk for vertebral fractures.

Original languageEnglish
Pages (from-to)255-264
Number of pages10
JournalAnnals of Internal Medicine
Volume145
Issue number4
DOIs
Publication statusPublished - 15 Aug 2006

Bibliographical note

© 2006 American College of Physicians

Research programs

  • EMC MM-01-39-02
  • EMC NIHES-01-64-02
  • EMC OR-01-25-01

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