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Expression differences in the liver of a congenic mouse with low serum IGF-1

ABSTRACT: Several studies have shown that bone mineral density (BMD), a clinically measurable predictor of osteoporotic fracture, is the sum of genetic and environmental influences. In addition, serum IGF-1 levels have been correlated to both BMD and fracture risk. We previously identified a Quantitative Trait Locus (QTL) for Bone Mineral Density (BMD) on mouse Chromosome (Chr) 6 that overlaps a QTL for serum IGF-1. The B6.C3H-6T (6T) congenic mouse is homozygous for C57BL/6J (B6) alleles across the genome except for a 30 cM region on Chr 6 that is homozygous for C3H/HeJ (C3H) alleles. This mouse was created to study biology behind both the BMD and the serum IGF-1 QTLs and to identify the gene(s) underlying these QTLs. Female 6T mice have lower BMD and lower serum IGF-1 levels at all ages measured. As the liver is the major source of serum IGF-1, we examined differential expression in the livers of fasted female B6 and 6T mice by microarray. Keywords: Genetic variation

ORGANISM(S): Mus musculus

PROVIDER: GSE5959 | GEO | 2006/10/29

SECONDARY ACCESSION(S): PRJNA97423

REPOSITORIES: GEO

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Transcription profiling of livers from female C57BL/6J and B6.C3H-6T mice to study differential gene expression in the two strains.

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