Loci for regulation of bone mineral density in men and women identified by genome wide linkage scan

The FAMOS study

Stuart H. Ralston, Nick Galwey, Ian Mackay, Omar Al Bagha, Lon Cardon, Juliet E. Compston, Cyrus Cooper, Emma Duncan, Richard Keen, Bente Langdahl, Alastair McLellan, Jeffrey O'Riordan, Huibert A. Pols, David M. Reid, Andre G. Uitterlinden, John Wass, Simon T. Bennett

Research output: Contribution to journalArticle

116 Citations (Scopus)

Abstract

Osteoporosis is a common disease with a strong genetic component, characterized by reduced bone mass and an increased risk of fracture. Bone mineral density (BMD) is a highly heritable trait and a key determinant of osteoporotic fracture risk, but the genes responsible are incompletely defined. Here, we identified quantitative trait loci (QTL) for regulation of BMD by a genome wide scan involving 3691 individuals from 715 families, who were selected because of reduced BMD values at the lumbar spine (LS-BMD) or femoral neck (FN-BMD) in probands. Linkage analysis was conducted in the study group as a whole with correction for age, gender, weight and height. Further analyses were conducted for men and women separately to identify gender-specific QTL and for those under and over the age of 50 years to distinguish QTL for peak bone mass from those that influence bone mass in older people. No regions of suggestive or significant linkage were identified when data from all subjects were analyzed together. On subgroup analysis, however, we identified a significant QTL for FN-BMD on chromosome 10q21 (LOD score +4.42; men ≤50 years) and two suggestive QTL for LS-BMD on chromosomes 18p11 (LOD score +2.83; women >50 years) and 20q13 (LOD score +3.20; women ≤50 years). We identified five other QTL for BMD with LOD scores of greater than +2.20 on chromosomes 3q25, 4q25, 7p14, 16p13 and 16q23. This study provides evidence for gender-specific, site-specific and age-specific QTL, which regulate BMD in humans, and illustrates the importance of conducting subgroup analysis to detect these loci.

Original languageEnglish
Pages (from-to)943-951
Number of pages9
JournalHuman Molecular Genetics
Volume14
Issue number7
DOIs
Publication statusPublished - 1 Apr 2005
Externally publishedYes

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Bone Density
Quantitative Trait Loci
Genome
Chromosomes
Bone and Bones
Osteoporotic Fractures
Femur Neck
Osteoporosis
Spine
Weights and Measures
Genes

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Genetics(clinical)

Cite this

Loci for regulation of bone mineral density in men and women identified by genome wide linkage scan : The FAMOS study. / Ralston, Stuart H.; Galwey, Nick; Mackay, Ian; Al Bagha, Omar; Cardon, Lon; Compston, Juliet E.; Cooper, Cyrus; Duncan, Emma; Keen, Richard; Langdahl, Bente; McLellan, Alastair; O'Riordan, Jeffrey; Pols, Huibert A.; Reid, David M.; Uitterlinden, Andre G.; Wass, John; Bennett, Simon T.

In: Human Molecular Genetics, Vol. 14, No. 7, 01.04.2005, p. 943-951.

Research output: Contribution to journalArticle

Ralston, SH, Galwey, N, Mackay, I, Al Bagha, O, Cardon, L, Compston, JE, Cooper, C, Duncan, E, Keen, R, Langdahl, B, McLellan, A, O'Riordan, J, Pols, HA, Reid, DM, Uitterlinden, AG, Wass, J & Bennett, ST 2005, 'Loci for regulation of bone mineral density in men and women identified by genome wide linkage scan: The FAMOS study', Human Molecular Genetics, vol. 14, no. 7, pp. 943-951. https://doi.org/10.1093/hmg/ddi088
Ralston, Stuart H. ; Galwey, Nick ; Mackay, Ian ; Al Bagha, Omar ; Cardon, Lon ; Compston, Juliet E. ; Cooper, Cyrus ; Duncan, Emma ; Keen, Richard ; Langdahl, Bente ; McLellan, Alastair ; O'Riordan, Jeffrey ; Pols, Huibert A. ; Reid, David M. ; Uitterlinden, Andre G. ; Wass, John ; Bennett, Simon T. / Loci for regulation of bone mineral density in men and women identified by genome wide linkage scan : The FAMOS study. In: Human Molecular Genetics. 2005 ; Vol. 14, No. 7. pp. 943-951.
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