Abstract
The periosteum covering the outer surface of bone contains skeletal stem/progenitor cells that can efficiently form cartilage and bone during bone repair. Several methods have been described to isolate periosteal cells based on bone scraping and/or enzymatic digestion. Here, we describe an explant culture method to isolate periosteum-derived stem/progenitor cells for subsequent in vitro and in vivo analyses. Periosteal cells (PCs) isolated using this protocol express mesenchymal markers, can be expanded in vitro, and exhibit high regenerative potential after in vivo transplantation at a fracture site, suggesting that this protocol can be employed for PC production to use in new cell-based therapies.
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