Mesenchymal Stem Cell Adherence on Poly(D, L-Lactide-Co-Glycolide) Nanofibers Scaffold is Integrin-β1 Receptor Dependent
Tissue engineering is a potential approach to regenerate damaged tissue by the combination and synergism among the scaffolding material, cell source and signaling factors. In the present study, mesenchymal stem cells (MSCs) were isolated from C57BL/6 mice, cultured on poly(D, L-lactide-co-glycolide) (PLGA) scaffold produced by electrospinning technique and differentiated into chondrogenic lineage. After seeding, MSCs were responsive and became flattened with fibroblast-like morphology demonstrated by the presence of actin stress fibers. Integrin-β1 receptor blockage reduced significantly cell adhesion with loss of actin stress fibers, demonstrating the ability of PLGA nanofiber to trigger integrin receptor-mediated cell adhesion. Present data contribute to the understanding of MSCs' behavior on these biodegradable and biocompatible scaffolds that can be used as carriers in treatments involving cell transplantation.
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Document Type: Research Article
Publication date: 01 April 2012
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