ArticleJournal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research2005
Quantitative trait loci analysis of structural and material skeletal phenotypes in C57BL/6J and DBA/2 second-generation and recombinant inbred mice.
Article in Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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28 citing papers in PubMed, 55 citations in OpenAlex.
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- Replication of long-bone length QTL in the F9-F10 LG,SM advanced intercross.Mammalian genome : official journal of the International Mammalian Genome Society · 2009Article
- Phenotypic integration among trabecular and cortical bone traits establishes mechanical functionality of inbred mouse vertebrae.Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2009Article
- Identification of quantitative trait loci affecting murine long bone length in a two-generation intercross of LG/J and SM/J Mice.Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2008Article
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- Genetic analysis of craniofacial traits in the medaka.Genetics · 2007Article
- Bivariate linkage study of proximal hip geometry and body size indices: the Framingham study.Calcified tissue international · 2007Article
- Fine mapping dissects pleiotropic growth quantitative trait locus into linked loci.Mammalian genome : official journal of the International Mammalian Genome Society · 2007Article
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8 authors at 1 institution in 1 country.
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Abstract
unlabelledQTL analyses identified several chromosomal regions influencing skeletal phenotypes of the femur and tibia in BXD F2 and BXD RI populations of mice. QTLs for skeletal traits co-located with each other and with correlated traits such as body weight and length, adipose mass, and serum alkaline phosphatase.
introductionPast research has shown substantial genetic influence on bone quality, and the impact of reduced bone mass on our aging population has heightened the interest in skeletal genetic research. MATERIALS AND
methodsQuantitative trait loci (QTL) analyses were performed on morphologic measures and structural and material properties of the femur and tibia in 200-day-old C57BL/6J x DBA/2 (BXD) F2 (second filial generation; n = 400) and BXD recombinant inbred (RI; n = 23 strains) populations of mice. Body weight, body length, adipose mass, and serum alkaline phosphatase were correlated phenotypes included in the analyses.
resultsSkeletal QTLs for morphologic bone measures such as length, width, cortical thickness, and cross-sectional area mapped to nearly every chromosome. QTLs for both structural properties (ultimate load, yield load, or stiffness) and material properties (stress and straincharacteristics and elastic modulus) mapped to chromosomes 4, 6, 9, 12, 13, 15, and 18. QTLs that were specific to structural properties were identified on chromosomes 1, 2, 3, 7, 8, and 17, and QTLs that were specific to skeletal material properties were identified on chromosomes 5, 11, 16, and 19. QTLs for body size (body weight, body length, and adipose mass) often mapped to the same chromosomal regions as those identified for skeletal traits, suggesting that several QTLs identified as influencing bone could be mediated through body size.
conclusionNew QTLs, not previously reported in the literature, were identified for structural and material properties and morphological measures of the mouse femur and tibia. Body weight and length, adipose mass, and serum alkaline phosphatase were correlated phenotypes that mapped in close proximity of skeletal chromosomal loci. The more specific measures of bone quality included in this investigation enhance our understanding of the functional significance of previously identified QTLs.
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