Tuning Myoblast and Preosteoblast Cell Adhesion Site, Orientation, and Elongation through Electroactive Micropatterned Scaffolds
2019
Electroactive polymers are being increasingly used in tissue engineering applications. Together with the electromechanical clues, morphological ones have been demonstrated to determine cell proliferation and differentiation. This work reports on the micropatterning of poly(vinylidene fluoride-co-trifluoroethylene), P(VDF-TrFE) scaffolds, and their interaction with myoblast and preosteoblasts cell lines, selected based on their different functional morphology. The scaffolds were obtained by soft lithography and obtained in the form of arrays of lines, intermittent lines, hexagons, linear zigzags, and curved zigzags with dimensions of 25, 75, and 150 μm. Moreover, the scaffolds were tested in cell adhesion assays of myoblasts and preosteoblasts cell lines. The results show that more linear surface topographies and dense morphology have a large potential in the regeneration of musculoskeletal tissue, while nonpatterned scaffolds or more anisotropic surface microstructures present largest potential to promote...
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