Confirmation of Linkage to Chromosome 1q for Peak Vertebral Bone Mineral Density in Premenopausal White Women

Michael Econs, Daniel L. Koller, Siu Hui, Tonya Fishburn, P. Michael Conneally, C. Conrad Johnston, Munro Peacock, Tatiana Foroud

Research output: Contribution to journalArticle

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Abstract

Peak bone mineral density (BMD) is a highly heritable trait and is a good predictor of the risk of osteoporosis and fracture in later life. Recent studies have sought to identify the genes underlying peak BMD. Linkage analysis in a sample of 464 premenopausal white sister pairs detected linkage of spine BMD to chromosome 1q (LOD 3.6). An independent sample of 254 white sister pairs has now been genotyped, and it also provides evidence of linkage to chromosome 1q (LOD 2.5) for spine BMD. Microsatellite markers were subsequently genotyped for a 4-cM map in the chromosome 1q region in all available white sister pairs (n = 938), and a LOD score of 4.3 was obtained near the marker D1S445. Studies in the mouse have also detected evidence of linkage to BMD phenotypes in the region syntenic to our linkage finding on chromosome 1q. Thus, we have replicated a locus on 1q contributing to BMD at the spine and have found further support for the region in analyses employing an enlarged sample. Studies are now ongoing to identify the gene(s) contributing to peak spine BMD in women.

Original languageEnglish
Pages (from-to)223-228
Number of pages6
JournalAmerican Journal of Human Genetics
Volume74
Issue number2
DOIs
StatePublished - Feb 2004

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Bone Density
Chromosomes
Spine
Siblings
Microsatellite Repeats
Genes
Osteoporosis
Phenotype

ASJC Scopus subject areas

  • Genetics

Cite this

Confirmation of Linkage to Chromosome 1q for Peak Vertebral Bone Mineral Density in Premenopausal White Women. / Econs, Michael; Koller, Daniel L.; Hui, Siu; Fishburn, Tonya; Conneally, P. Michael; Johnston, C. Conrad; Peacock, Munro; Foroud, Tatiana.

In: American Journal of Human Genetics, Vol. 74, No. 2, 02.2004, p. 223-228.

Research output: Contribution to journalArticle

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