A close examination of genes within quantitative trait loci of bone mineral density in whole mouse genome

Qing Xiong, Caili Han, Wesley G. Beamer, Weikuan Gu

Research output: Contribution to journalReview article

8 Citations (Scopus)

Abstract

Bone mineral density (BMD) is one of the strongest determinants of osteoporotic fracture risk. Over the last decade, a large number of quantitative trait loci (QTL) that regulate BMD have been identified using the mouse model. In an attempt to examine the relationship between those QTL and gene distribution in the mouse genome, we searched PubMed with keywords "bone" and "QTL" for every publication up to January 2007; we obtained a total of 75 QTL of BMD. We next obtained genes within a QTL for measurements of BMD from the Ensembl database. We then evaluated the potential connection of every gene with bone biology with Online Mendelian Inheritance in Man (OMIM) and PubMed by using eight key words: bone mineral density, BMD, bone strength, bone size, osteoporosis, osteoblast, osteoclast, and fracture. We obtained a total of 15,084 genes for 75 BMD QTL covering 1,211,376,097 base pairs of genomic sequence. Although this very large number of genes exists within QTL regions, only 291 were identified as candidate genes according to our bioinformatics search. Importantly, the association between polymorphism of many candidate genes and BMD has been reported in human studies. Thus, updated genome information and resources should provide new insight for gene identification of QTL. Accordingly, the comprehensive search of candidate genes in the genome for known QTL may provide unexpected benefits for QTL studies.

Original languageEnglish (US)
Pages (from-to)323-343
Number of pages21
JournalCritical Reviews in Eukaryotic Gene Expression
Volume18
Issue number4
DOIs
StatePublished - Jan 1 2008

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Quantitative Trait Loci
Bone Density
Genome
Genes
PubMed
Bone and Bones
Genetic Databases
Osteoporotic Fractures
Osteoclasts
Computational Biology
Osteoblasts
Base Pairing
Osteoporosis
Publications
Databases

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Genetics

Cite this

A close examination of genes within quantitative trait loci of bone mineral density in whole mouse genome. / Xiong, Qing; Han, Caili; Beamer, Wesley G.; Gu, Weikuan.

In: Critical Reviews in Eukaryotic Gene Expression, Vol. 18, No. 4, 01.01.2008, p. 323-343.

Research output: Contribution to journalReview article

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