[Optimization of signaling pathways for bone regeneration]
- PMID: 19043183
[Optimization of signaling pathways for bone regeneration]
Abstract
We have developed an ES cell-based monitoring system for osteogenic differentiation and identified a potent combination of osteogenic genes. ES cells were isolated from mice carrying a transgene expressing GFP driven by the 2.3 kb fragment of rat type I collagen alpha1 promoter. We have screened cDNA libraries and combinations of major osteogenesis-related genes and identified that the combination of constitutively active activin receptor-like kinase 6 (caALK6) and runt-related transcription factor 2 (Runx2) was the minimal unit that induced GFP. These combinations of genes would be a potent and ideal tool for bone regeneration.
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