Linkage of Structure at the Proximal Femur to Chromosomes 3, 7, 8, and 19

D. L. Koller, K. E. White, G. Liu, S. L. Hui, P. M. Conneally, C. C. Johnston, M. J. Econs, Tatiana Foroud, M. Peacock

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Risk for osteoporotic fracture is determined in part by femoral structure, which is under genetic control. We conducted a genome scan in 638 sister-pairs for structure phenotypes. Significant evidence of linkage was detected with several chromosomal regions, including confirmation of our prior linkage findings. Bone strength and resistance to fracture at the proximal femur is determined in part by structural variables. We previously reported that several structural variables, including pelvic axis length, femur axis length, femur head width, and femur midshaft width, had significant or suggestive linkage to regions of chromosomes 3, 4, 5, 7, 9, 17, and 19 in a sample of 309 white premenopausal sister pairs. We now report the results of a genome-wide linkage analysis of femoral structure variables in 437 white and 201 black healthy premenopausal sister pairs, of which 191 white pairs overlapped with our previously published sample. Multipoint quantitative linkage analysis was performed using microsatellite markers genotyped throughout the genome. In the current sample, linkage of femoral structure to chromosomes 3, 7, and 19 was confirmed in the white sister pairs, and a new linkage to chromosome 8 was identified. There was linkage at chromosome 3 to femoral head width (logarithm of the odds [LOD] = 5.0) and femur shaft width (LOD = 3.6). On chromosome 19, there was linkage to femoral neck axis length (LOD = 3.2); on chromosome 7, to femoral head width (LOD = 5.0); and on chromosome 8, to femoral head width (LOD = 6.0). The current findings emphasize the importance of increasing sample size to replicate linkage findings and identify new regions of linkage.

Original languageEnglish (US)
Pages (from-to)1057-1065
Number of pages9
JournalJournal of Bone and Mineral Research
Volume18
Issue number6
DOIs
StatePublished - Jun 1 2003

Fingerprint

Chromosomes, Human, Pair 3
Chromosomes, Human, Pair 7
Thigh
Femur
Chromosomes, Human, Pair 19
Chromosomes, Human, Pair 8
Genome
Femur Head
Chromosomes, Human, Pair 4
Osteoporotic Fractures
Femur Neck
Microsatellite Repeats
Sample Size
Phenotype
Bone and Bones

Keywords

  • Femoral structure
  • Genetics
  • Hip axis length
  • Linkage
  • Osteoporosis

ASJC Scopus subject areas

  • Surgery

Cite this

Linkage of Structure at the Proximal Femur to Chromosomes 3, 7, 8, and 19. / Koller, D. L.; White, K. E.; Liu, G.; Hui, S. L.; Conneally, P. M.; Johnston, C. C.; Econs, M. J.; Foroud, Tatiana; Peacock, M.

In: Journal of Bone and Mineral Research, Vol. 18, No. 6, 01.06.2003, p. 1057-1065.

Research output: Contribution to journalArticle

Koller, D. L. ; White, K. E. ; Liu, G. ; Hui, S. L. ; Conneally, P. M. ; Johnston, C. C. ; Econs, M. J. ; Foroud, Tatiana ; Peacock, M. / Linkage of Structure at the Proximal Femur to Chromosomes 3, 7, 8, and 19. In: Journal of Bone and Mineral Research. 2003 ; Vol. 18, No. 6. pp. 1057-1065.
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