Publisher: John Wiley & Sons Inc
E-ISSN: 1616-5195|15|11|1535-1545
ISSN: 1616-5187
Source: MACROMOLECULAR BIOSCIENCE (ELECTRONIC), Vol.15, Iss.11, 2015-11, pp. : 1535-1545
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Abstract
A promising strategy for osteochondral interface regeneration consists in the development of hybrid scaffolds, composed of distinct but integrated layers able to mimic the different regions of cartilage and bone. We developed multi‐layered scaffolds by assembling a gelatin layer with layers containing different amounts of gelatin and hydroxyapatite nanocrystals, and using a gelatin solution (as a glue) to stick layers together. The scaffolds exhibit a high, interconnected porosity and mechanical properties varying with composition along the thickness of the scaffolds up to values of compressive stress and modulus of about 1 and 14 MPa, respectively. In vitro tests demonstrate that the different layers of the scaffolds promote chondrogenic and osteogenic differentiation of Human Mesenchimal Stem Cells (hMSC).
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