首页> 外文期刊>International Journal of Biological Macromolecules: Structure, Function and Interactions >Polyvinyl alcohol/sulfated alginate nanofibers induced the neuronal differentiation of human bone marrow stem cells
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Polyvinyl alcohol/sulfated alginate nanofibers induced the neuronal differentiation of human bone marrow stem cells

机译:聚乙烯醇/硫酸盐藻酸盐纳米纤维诱导人骨髓干细胞的神经元分化

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摘要

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 MU 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). RTPCR 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. (C) 2019 Elsevier B.V. All rights reserved.
机译:制造用于神经组织工程的支架以模拟细胞外基质。在本文中,我们通过静电纺丝技术制造了具有不同浓度(10,20和30wt%)硫酸盐的聚乙烯醇/硫酸盐藻酸盐(PVA / SA)纳米纤维。通过聚合物共混物(PVA / SA)的静电纺丝来实现平均纤维直径为169-488nm。 MU测定和扫描电子显微镜的结果表明,具有30wt%SA的PVA /硫酸盐藻酸盐纳米纤维支架提供了C6,Schwann细胞(SCS)和人骨髓间充质干细胞(HBMSCs)的更理想的表面附着。进行RTPCR和MAP-2标记的免疫细胞化学以确认HBMSC的神经分化。 MAP-2的表达确认了神经分化长达14天。我们的结果表明,具有30wt%SA的PVA / SA纳米纤维支架是用于间充质干细胞生长的合适基材,并且能够诱导神经元分化。 (c)2019 Elsevier B.v.保留所有权利。

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