Abstract
Biomaterials have been widely used in reconstructive bone surgery to heal critical-size long bone defects due to trauma, tumor resection, and tissue degeneration. In particular, gelatin cryogel scaffolds are promising new biomaterials owing to their biocompatibility; in addition, the in vitro modification of biomaterials with osteogenic signals enhances the tissue regeneration in vivo, suggesting that the biomaterial modification could play an important role in tissue engineering. In this study we have followed a biomimetic strategy where differentiated human bone marrow stromal cells built their extracellular matrix onto gelatin cryogel scaffolds. In comparison with control conditions without differentiating medium, the use of a differentiating medium increased, in vitro, the coating of gelatin cryogel with bone proteins (decorin, osteocalcin, osteopontin, type-I collagen, and type-III collagen). The differentiating medium aimed at obtaining a better in vitro modification of gelatin cryogel in terms of cell colonization and coating with osteogenic signals, like bone matrix proteins. The modified biomaterial could be used, in clinical applications, as an implant for bone repair.
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© 2010 International Federation for Medical and Biological Engineering
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Fassina, L. et al. (2010). Differentiation of human bone marrow stromal cells onto gelatin cryogel scaffolds. In: Bamidis, P.D., Pallikarakis, N. (eds) XII Mediterranean Conference on Medical and Biological Engineering and Computing 2010. IFMBE Proceedings, vol 29. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-13039-7_3
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DOI: https://doi.org/10.1007/978-3-642-13039-7_3
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-13038-0
Online ISBN: 978-3-642-13039-7
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