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Polyvinyl alcohol/sulfated alginate nanofibers induced the neuronal differentiation of human bone marrow stem cells
Authors
Y. Hazeri
S. Irani
M. Pezeshki-Modaress
M. Zandi
Publication date
1 January 2020
Publisher
Elsevier B.V.
Abstract
Scaffolds that are used for neural tissue engineering are fabricated to mimic the extracellular matrix. In this paper, we have fabricated polyvinyl alcohol/sulfated alginate (PVA/SA) nanofibers with different concentrations (10, 20 and 30 wt) of sulfated alginate by electrospinning technique. The average fibers diameters of 169�488 nm were achieved by electrospinning of polymers blend (PVA/SA). The results of the MTT assay and scanning electron microscopy showed that PVA/sulfated alginate nanofibrous scaffold with 30 wt SA provided more desirable surface attachment of C6, Schwann cells (SCs) and human bone marrow mesenchymal stem cells (hBMSCs). RT-PCR and immunocytochemistry for MAP-2 marker were conducted to confirm the neural-differentiation of hBMSCs. The expression of MAP-2 confirmed neural differentiation for up to 14 days. Our results showed that PVA/SA nanofibrous scaffold with 30 wt SA is a suitable substrate for mesenchymal stem cells growth and is capable of inducing neuronal differentiation. © 2019 Elsevier B.V
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Last time updated on 01/12/2020