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Chitosan/Alginate Multilayer Scaffold Encapsulating Bone Marrow Stromal Cells In Situ on Titanium

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Chitosan/Alginate Multilayer Scaffold Encapsulating Bone Marrow Stromal Cells In Situ on Titanium

Auteurs : Ming-Yue Wu [République populaire de Chine] ; Ming-Yue Ning Chen ; Lai-Kui Liu [République populaire de Chine] ; Lai-Kui Hua Yuan [République populaire de Chine] ; Quan-Li Li [République populaire de Chine] ; Shou-Hui Chen [République populaire de Chine]

Source :

Journal of bioactive and compatible polymers [ 0883-9115 ] ; 2009-07.

RBID : ISTEX:F74A954374A2633EFB2AFAC0C2B64718CED81BA1

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Abstract

A biofilm-like scaffold with bone marrow stromal cells (BMSC) encapsulated in situ was constructed on a titanium surface using a layer-by-layer self-assembly technique for the potential application for dental or joint implant. The scaffold was formed by depositing a single layer of positively charged poly(L-lysine) on a negatively charged NaOH-treated titanium substrate, followed by alternate immersion into a negatively charged alginate—BMSC suspension and positively charged chitosan solution, respectively, and terminated a layer of chitosan. The cell-encapsulated scaffolds were evaluated by scanning electron microscopy and confocal laser scanning microscopy. The BMSC remained viable and grew well in the scaffold. This approach provides a method for the preparation of tissue engineering scaffold on titanium surfaces.

Url:

https://api.istex.fr/document/F74A954374A2633EFB2AFAC0C2B64718CED81BA1/fulltext/pdf

DOI: 10.1177/0883911509105848

Affiliations:

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Le document en format XML

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<term>Bmsc</term>
<term>Bmsc encapsulated</term>
<term>Bmsc growth</term>
<term>Bmsc incorporation</term>
<term>Bmscs</term>
<term>Bone tissue engineering</term>
<term>Cell survival</term>
<term>Cells encapsulated</term>
<term>Chitosan</term>
<term>Chitosan polyion</term>
<term>Clsm</term>
<term>Clsm images</term>
<term>Clsm observation</term>
<term>Confocal laser scanning microscopy</term>
<term>Consecutive adsorption</term>
<term>Critical size</term>
<term>Deionized water</term>
<term>Dental implants</term>
<term>Different layers</term>
<term>Electrostatic interactions</term>
<term>Encapsulated</term>
<term>Encapsulated bmsc</term>
<term>Encapsulated cells</term>
<term>Encapsulating</term>
<term>Excellent affinity</term>
<term>Hybrid fibers</term>
<term>Hydrogel</term>
<term>Hydrogel fibers</term>
<term>Implant</term>
<term>Layer structure</term>
<term>Morphology</term>
<term>Multilayer</term>
<term>Multilayer scaffold</term>
<term>Multilayer scaffold encapsulating bmscs</term>
<term>Multilayer scaffold encapsulating bone marrow stromal cells</term>
<term>Multilayer scaffolds</term>
<term>Negative charge</term>
<term>Network structure</term>
<term>Periodontal ligament</term>
<term>Permselective properties</term>
<term>Physiological saline solution</term>
<term>Polyelectrolyte</term>
<term>Porous size</term>
<term>Pure titanium</term>
<term>Recent research</term>
<term>Right images</term>
<term>Scaffold</term>
<term>Scanning electron microscopy</term>
<term>Signal molecules</term>
<term>Sodium alginate</term>
<term>Spatial distribution</term>
<term>Surface charge</term>
<term>Tensile strength</term>
<term>Tissue engineering</term>
<term>Tissue engineering scaffold</term>
<term>Tissue engineering scaffolds</term>
<term>Titanium</term>
<term>Titanium surface</term>
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<term>Deionized water</term>
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<term>Electrostatic interactions</term>
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<term>Encapsulated bmsc</term>
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<term>Multilayer</term>
<term>Multilayer scaffold</term>
<term>Multilayer scaffold encapsulating bmscs</term>
<term>Multilayer scaffold encapsulating bone marrow stromal cells</term>
<term>Multilayer scaffolds</term>
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<term>Network structure</term>
<term>Periodontal ligament</term>
<term>Permselective properties</term>
<term>Physiological saline solution</term>
<term>Polyelectrolyte</term>
<term>Porous size</term>
<term>Pure titanium</term>
<term>Recent research</term>
<term>Right images</term>
<term>Scaffold</term>
<term>Scanning electron microscopy</term>
<term>Signal molecules</term>
<term>Sodium alginate</term>
<term>Spatial distribution</term>
<term>Surface charge</term>
<term>Tensile strength</term>
<term>Tissue engineering</term>
<term>Tissue engineering scaffold</term>
<term>Tissue engineering scaffolds</term>
<term>Titanium</term>
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<front><div type="abstract" xml:lang="en">A biofilm-like scaffold with bone marrow stromal cells (BMSC) encapsulated in situ was constructed on a titanium surface using a layer-by-layer self-assembly technique for the potential application for dental or joint implant. The scaffold was formed by depositing a single layer of positively charged poly(L-lysine) on a negatively charged NaOH-treated titanium substrate, followed by alternate immersion into a negatively charged alginate—BMSC suspension and positively charged chitosan solution, respectively, and terminated a layer of chitosan. The cell-encapsulated scaffolds were evaluated by scanning electron microscopy and confocal laser scanning microscopy. The BMSC remained viable and grew well in the scaffold. This approach provides a method for the preparation of tissue engineering scaffold on titanium surfaces.</div>
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Chitosan/Alginate Multilayer Scaffold Encapsulating Bone Marrow Stromal Cells In Situ on Titanium

Chitosan/Alginate Multilayer Scaffold Encapsulating Bone Marrow Stromal Cells In Situ on Titanium

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Abstract

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