RUNX2 alleles associated with BMD in Scottish women; interaction of RUNX2 alleles with menopausal status and body mass index

T Vaughan, D M Reid, N A Nigel, S H Ralston

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Bone mineral density (BMD) is influenced by both environmental and genetic factors. We previously reported the association of the RUNX2 A allele with increased bone mineral density (BMD) and protection against a common form of osteoporotic fracture within a Geelong population. We genotyped 991 women from a Scottish cohort to decipher the role of RUNX2 alleles in regulating BMD. The alleles of RUNX2 within the glutamine-alanine repeat were determined by MspA11 restriction digest. Allele frequencies estimated from Scottish cohort were G allele, 0.87 +/- 0.01; A allele, 0.08 +/- 0.01; and 11Ala alanine deletion allele, 0,05 0.01. Analysis of covariance (ANCOVA) was used to adjust for the covariates weight and age for BMD at the femoral neck (FN). The A allele was associated with higher FN BMD (P = 0.035) within a postmenopausal subgroup of the population (n = 312). The effect of RUNX2 A alleles increased with increasing weight; A alleles were associated with FN BMD in those above the median BMI (BMI > 25), while no association was observed in thin/normal (BMI less than or equal to 25) postmenopausal women. Glutamine variants and an alanine insertion were identified within the group. These data suggest that the RUNX2 alleles are associated with BMD in a menopause- and weight-dependent manner. (C) 2004 Elsevier Inc. All rights reserved.

Original languageEnglish
Pages (from-to)1029-1036
Number of pages8
JournalBone
Volume34
DOIs
Publication statusPublished - 2004

Keywords

  • RUNX2
  • bone mineral density
  • weight
  • alleles
  • osteoporosis
  • CLEIDOCRANIAL DYSPLASIA
  • TRANSCRIPTION FACTOR
  • BONE-FORMATION
  • OSTEOBLAST DIFFERENTIATION
  • OSTEOPOROTIC FRACTURES
  • POSTMENOPAUSAL WOMEN
  • VITAMIN-D
  • GENE
  • CBFA1
  • CELLS

Cite this

RUNX2 alleles associated with BMD in Scottish women; interaction of RUNX2 alleles with menopausal status and body mass index. / Vaughan, T ; Reid, D M ; Nigel, N A ; Ralston, S H .

In: Bone, Vol. 34, 2004, p. 1029-1036.

Research output: Contribution to journalArticle

Vaughan, T ; Reid, D M ; Nigel, N A ; Ralston, S H . / RUNX2 alleles associated with BMD in Scottish women; interaction of RUNX2 alleles with menopausal status and body mass index. In: Bone. 2004 ; Vol. 34. pp. 1029-1036.
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AB - Bone mineral density (BMD) is influenced by both environmental and genetic factors. We previously reported the association of the RUNX2 A allele with increased bone mineral density (BMD) and protection against a common form of osteoporotic fracture within a Geelong population. We genotyped 991 women from a Scottish cohort to decipher the role of RUNX2 alleles in regulating BMD. The alleles of RUNX2 within the glutamine-alanine repeat were determined by MspA11 restriction digest. Allele frequencies estimated from Scottish cohort were G allele, 0.87 +/- 0.01; A allele, 0.08 +/- 0.01; and 11Ala alanine deletion allele, 0,05 0.01. Analysis of covariance (ANCOVA) was used to adjust for the covariates weight and age for BMD at the femoral neck (FN). The A allele was associated with higher FN BMD (P = 0.035) within a postmenopausal subgroup of the population (n = 312). The effect of RUNX2 A alleles increased with increasing weight; A alleles were associated with FN BMD in those above the median BMI (BMI > 25), while no association was observed in thin/normal (BMI less than or equal to 25) postmenopausal women. Glutamine variants and an alanine insertion were identified within the group. These data suggest that the RUNX2 alleles are associated with BMD in a menopause- and weight-dependent manner. (C) 2004 Elsevier Inc. All rights reserved.

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