Genome screen for bone mineral density phenotypes in Fisher 344 and Lewis rat strains

Genome screen for bone mineral density phenotypes in Fisher 344 and Lewis rat strains In humans, peak bone mineral density (BMD) is the primary determinant of osteoporotic fracture risk among older individuals, with high peak BMD levels providing protection against osteoporosis in the almost certain event of bone loss later in life. A genome screen to identify quantitative trait loci (QTLs) contributing to areal BMD (aBMD) and volumetric BMD (vBMD) measurements at the lumbar spine and femoral neck was completed in 595 female F2 rats produced from reciprocal crosses of inbred Fischer 344 and Lewis rats. Significant evidence of linkage was detected to rat Chromosomes 1, 2, 8, and 10, with LOD scores above 8.0. The region on rat Chromosome 8 is syntenic to human Chromosome 15, where linkage to spine and femur BMD has been previously reported and confirmed in a sample of premenopausal women. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Mammalian Genome Springer Journals

Genome screen for bone mineral density phenotypes in Fisher 344 and Lewis rat strains

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Publisher
Springer-Verlag
Copyright
Copyright © 2005 by Springer Science+Business Media Inc.
Subject
Life Sciences; Anatomy; Cell Biology; Zoology
ISSN
0938-8990
eISSN
1432-1777
D.O.I.
10.1007/s00335-004-2459-0
Publisher site
See Article on Publisher Site

Abstract

In humans, peak bone mineral density (BMD) is the primary determinant of osteoporotic fracture risk among older individuals, with high peak BMD levels providing protection against osteoporosis in the almost certain event of bone loss later in life. A genome screen to identify quantitative trait loci (QTLs) contributing to areal BMD (aBMD) and volumetric BMD (vBMD) measurements at the lumbar spine and femoral neck was completed in 595 female F2 rats produced from reciprocal crosses of inbred Fischer 344 and Lewis rats. Significant evidence of linkage was detected to rat Chromosomes 1, 2, 8, and 10, with LOD scores above 8.0. The region on rat Chromosome 8 is syntenic to human Chromosome 15, where linkage to spine and femur BMD has been previously reported and confirmed in a sample of premenopausal women.

Journal

Mammalian GenomeSpringer Journals

Published: Sep 14, 2005

References

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