Abstract
Osteoblastic differentiations of mesenchymal stem cells are controlled by a number of intracellular signal transduction systems and transcription factors. These systems and factors interacts with and cross-talks to one another to complete the process of bone formation. Discovery of these systems has been enabled by gene-targeting techniques. In this brief review, the signal transduction pathways and transcription factors of importance to osteoblastic differentiation are introduced.
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