Journal
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
Volume 78, Issue -, Pages 1195-1202Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.msec.2017.04.083
Keywords
Human induced pluripotent stem cells (hiPSCs); Neural differentiation; Tissue engineering; Scaffold; Polycaprolactone (PCL); Gelatin (GEL)
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In the present study, for the first time, polycaprolactone (PCL) and gelatin (GEL) were used for neural differentiation of human induced pluripotent stem cells (hiPSCs) in the form of bi-electrospun nanofibers. The electrospun fibers were evaluated by FTIR and tensile analysis. MIT assay was used to evaluate the toxicity on the scaffolds. The hiPSCs were seeded on the fibers and after 14 days in neural differentiation medium. To confirm the differentiation, real-time PCR and immunocytochemistry (ICC) analyses were performed. For morphological studies of fibers and cultured cells on them, scanning electron microscopy (SEM) and optical microscopy (OM) were used. Our results indicated that hiPSCs had differentiated to neural cells completely after incubation time. Our study demonstrates that PCL/GEL bi-electrospun nanofibers not only have the capability to support hiPSCs differentiation to neural cells, but they also are able to enhance and improve such process. Overall, PCL/GEL scaffolds seem to be a feasible, reliable and easily accessed composite for further tissue engineering experiments. (C) 2017 Elsevier B.V. All rights reserved.
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