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3D silicon doped hydroxyapatite scaffolds decorated with Elastin-like Recombinamers for bone regenerative medicine

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Acta Biomater 2016 (002).pdf (1,331Mb)
 
10.1016/j.actbio.2016.09.016
 
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hdl:2117/98193

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Vila, Mercedes
García, Ana
Girotti, Alessandra
Alonso, Matilde
Rodriguez Cabello, Jose Carlos
Gonzalez Vazquez, Arlyng
Planell Estany, Josep AntonMés informacióMés informació
Engel López, ElisabethMés informacióMés informacióMés informació
Buján, Julia
García Honduvilla, Natalio
Vallet Regi, Maria
Document typeArticle
Defense date2016-11-01
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
ProjectTHE GRAIL - Tissue in Host Engineering Guided Regeneration of Arterial Intimal Layer (EC-FP7-278557)
ELASTISLET - Tailored Elastin-like Recombinamers as Advanced Systems for Cell Therapies in Diabetes Mellitus: a Synthetic Biology Approach towards a Bioeffective and Immunoisolated Biosimilar Islet%2FCell Niche (EC-H2020-646075)
BIOGEL - Engineering responsive and biomimetic hydrogels for biomedical therapeutic and diagnostic applications (EC-H2020-642687)
Abstract
The current study reports on the manufacturing by rapid prototyping technique of three-dimensional (3D) scaffolds based on silicon substituted hydroxyapatite with Elastin-like Recombinamers (ELRs) functionalized surfaces. Silicon doped hydroxyapatite (Si-HA), with Ca10(PO4)5.7(SiO4)0.3(OH)1.7h0.3 nominal formula, was surface functionalized with two different types of polymers designed by genetic engineering: ELR-RGD that contain cell attachment specific sequences and ELR-SNA15/RGD with both hydroxyapatite and cells domains that interact with the inorganic phase and with the cells, respectively. These hybrid materials were subjected to in vitro assays in order to clarify if the ELRs coating improved the well-known biocompatible and bone regeneration properties of calcium phosphates materials. The in vitro tests showed that there was a total and homogeneous colonization of the 3D scaffolds by Bone marrow Mesenchymal Stromal Cells (BMSCs). In addition, the BMSCs were viable and able to proliferate and differentiate into osteoblasts.
CitationVila, M., García, A., Girotti, A., Alonso, M., Rodriguez-Cabello , J.C., Gonzalez, A., Planell, J., Engel, E., Buján, J., García, N., Vallet-Regi, M. 3D silicon doped hydroxyapatite scaffolds decorated with Elastin-like Recombinamers for bone regenerative medicine. "Acta biomaterialia", 1 Novembre 2016, vol. 45, p. 349-356. 
URIhttp://hdl.handle.net/2117/98193
DOI10.1016/j.actbio.2016.09.016
ISSN1742-7061
Publisher versionhttp://www.sciencedirect.com/science/article/pii/S1742706116304792
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  • Departament de Ciència dels Materials i Enginyeria Metal·lúrgica - Articles de revista [961]
  • BBT - Grup de recerca en Biomaterials, Biomecànica i Enginyeria de Teixits - Articles de revista [418]
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