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A Perfusion Bioreactor for Engineering Bone Constructs: An In Vitro and In Vivo Study

Abstract : A perfusion bioreactor, which was designed based on fluidized bed concepts, was validated for the culture of bone constructs of clinically relevant size. For this study, natural coral has been used as three-dimensional scaffolds. This biomaterial is a microporous, biocompatible, osteoconductive, and absorbable scaffold. This perfusion bioreactor provided a stable environment in terms of osmolarity, pH, and, most importantly, oxidative stress. Bone constructs engineered in this system resulted in significantly higher cell proliferation and homogenous cell distribution than those cultured under static conditions. Particularly relevant to the production of bioengineered bone in a clinical setting, custom-made bone constructs (each one with volume up to 30 cm 3) could be produced using a such perfusion bioreactor. Last, but not least, the bone constructs of clinically relevant volume thus produced were shown to be osteogenic when transplanted subcutaneously in sheep.
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https://hal-upec-upem.archives-ouvertes.fr/hal-00692843
Contributor : Salah Naili <>
Submitted on : Tuesday, May 1, 2012 - 3:23:40 PM
Last modification on : Wednesday, July 8, 2020 - 11:10:21 AM

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B. David, D. Bonnefont-Rousselot, K. Oudina, M.-C. Degat, M. Deschepper, et al.. A Perfusion Bioreactor for Engineering Bone Constructs: An In Vitro and In Vivo Study. Tissue Engineering Part C: Methods, Mary Ann Liebert, 2011, 17 (5), pp.505--516. ⟨10.1089/ten.tec.2010.0468⟩. ⟨hal-00692843⟩

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