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  4. Neural priming of adipose-derived stem cells by cell-imprinted substrates*
 
research article

Neural priming of adipose-derived stem cells by cell-imprinted substrates*

Ghazali, Zahra Sadat
•
Eskandari, Mahnaz
•
Bonakdar, Shahin
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July 1, 2021
Biofabrication

Cell-imprinting technology is a novel method for directing stem cell fate using substrates molded from target cells. Here, we fabricated and studied cell-imprinted substrates for neural priming in human adipose-derived stem cells in the absence of chemical cues. We molded polydimethylsiloxane silicone substrates on fixed differentiated neural progenitor cells (ReNcell(TM) VM). The ReNcell(TM) cell line consists of immortalized human neural progenitor cells that are capable to differentiate into neural cells. The fabricated cell-imprinted silicone substrates represent the geometrical micro- and nanotopology of the target cell morphology. During the molding procedure, no transfer of cellular proteins was detectable. In the first test with undifferentiated ReNcell(TM) VM cells, the cell-imprinted substrates could accelerate neural differentiation. With adipose-derived stem cells cultivated on the imprinted substrates, we observed modifications of cell morphology, shifting from spread to elongated shape. Both immunofluorescence and quantitative gene expression analysis showed upregulation of neural stem cell and early neuronal markers. Our study, for the first time, demonstrated the effectiveness of cell-imprinted substrates for neural priming of adipose-derived stem cells for regenerative medicine applications.

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Type
research article
DOI
10.1088/1758-5090/abc66f
Web of Science ID

WOS:000639512600001

Author(s)
Ghazali, Zahra Sadat
Eskandari, Mahnaz
Bonakdar, Shahin
Renaud, Philippe  
Mashinchian, Omid  
Shalileh, Shahriar
Bonini, Fabien
Uckay, Ilker
Preynat-Seauve, Olivier
Braschler, Thomas
Date Issued

2021-07-01

Publisher

IOP PUBLISHING LTD

Published in
Biofabrication
Volume

13

Issue

3

Article Number

035009

Subjects

Engineering, Biomedical

•

Materials Science, Biomaterials

•

Engineering

•

Materials Science

•

neural tissue engineering

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cell imprinting

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human mesenchymal stem cells

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patterned substrate

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neural differentiation

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LMIS4  
UPLUT  
Available on Infoscience
May 22, 2021
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/178300
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