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Neurogenic differentiation of human umbilical cord mesenchymal stem cells on aligned electrospun polypyrrole/polylactide composite nanofibers with electrical stimulation

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Abstract

Adult central nervous system (CNS) tissue has a limited capacity to recover after trauma or disease. Recent medical cell therapy using polymeric biomaterialloaded stem cells with the capability of differentiation to specific neural population has directed focuses toward the recovery of CNS. Fibers that can provide topographical, biochemical and electrical cues would be attractive for directing the differentiation of stem cells into electro-responsive cells such as neuronal cells. Here we report on the fabrication of an electrospun polypyrrole/polylactide composite nanofiber film that direct or determine the fate of mesenchymal stem cells (MSCs), via combination of aligned surface topography, and electrical stimulation (ES). The surface morphology, mechanical properties and electric properties of the film were characterized. Comparing with that on random surface film, expression of neurofilament-lowest and nestin of human umbilical cord mesenchymal stemcells (huMSCs) cultured on film with aligned surface topography and ES were obviously enhanced. These results suggest that aligned topography combining with ES facilitates the neurogenic differentiation of huMSCs and the aligned conductive film can act as a potential nerve scaffold.

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Authors and Affiliations

  1. Key Laboratory of Advanced Materials of Ministry of Education of China, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China

    Junfeng Zhou, Liang Cheng, Xiaodan Sun & Xiumei Wang

  2. School of Life Sciences, Tsinghua University, Beijing, 100084, China

    Shouhong Jin, Junxiang Li & Qiong Wu

Authors
  1. Junfeng Zhou
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  2. Liang Cheng
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  3. Xiaodan Sun
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  4. Xiumei Wang
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  5. Shouhong Jin
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  6. Junxiang Li
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  7. Qiong Wu
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Correspondence to Xiaodan Sun or Xiumei Wang.

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Zhou, J., Cheng, L., Sun, X. et al. Neurogenic differentiation of human umbilical cord mesenchymal stem cells on aligned electrospun polypyrrole/polylactide composite nanofibers with electrical stimulation. Front. Mater. Sci. 10, 260–269 (2016). https://doi.org/10.1007/s11706-016-0348-6

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  • DOI: https://doi.org/10.1007/s11706-016-0348-6

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