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A continuous source of osteoblasts for normal bone maintenance, as well as remodeling and regeneration during fracture repair, is ensured by the mesenchymal osteoprogenitor stem cells of the bone(More)
The differentiation and maturation of osteoprogenitor cells into osteoblasts are processes which are thought to be modulated by transforming growth factors-beta (TGF-beta) as well as by bone(More)
INTRODUCTION Articular cartilage (AC) is an avascular tissue with precise polarity and organization. The three distinct zones are: surface, middle and deep. The production and accumulation of the(More)