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Effects of the polymeric niche on neural stem cell characteristics during primary culturing

  • Stefan Haubenwallner
  • Matthias Katschnig
  • Ulrike Fasching
  • Silke Patz
  • Christa Trattnig
  • Natascha Andraschek
  • Gerda Grünbacher
  • Markus Absenger
  • Stephan Laske
  • Clemens Holzer
  • Werner Balika
  • Manuela Wagner
  • Ute SchäferEmail author
Article

Abstract

The polymeric niche encountered by cells during primary culturing can affect cell fate. However, most cell types are primarily propagated on polystyrene (PS). A cell type specific screening for optimal primary culture polymers particularly for regenerative approaches seems inevitable. The effect of physical and chemical properties of treated (corona, oxygen/nitrogen plasma) and untreated cyclic olefin polymer (COP), polymethymethacrylate (PMMA), PP, PLA, PS, PC on neuronal stem cell characteristics was analyzed. Our comprehensive approach revealed plasma treated COP and PMMA as optimal polymers for primary neuronal stem cell culturing and propagation. An increase in the number of NT2/D1 cells with pronounced adhesion, metabolic activities and augmented expression of neural precursor markers was associated to the plasma treatment of surfaces of COP and PMMA with nitrogen or oxygen, respectively. A shift towards large cell sizes at stable surface area/volume ratios that might promote the observed increase in metabolic activities and distinct modulations in F-actin arrangements seem to be primarily mediated by the plasma treatment of surfaces. These results indicate that the polymeric niche has a distinct impact on various cell characteristics. The selection of distinct polymers and the controlled design of an optimized polymer microenvironment might thereby be an effective tool to promote essential cell characteristics for subsequent approaches.

Keywords

Contact Angle Methylene Blue PMMA Plasma Treatment Neuronal Stem Cell 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Abbreviations

COP

Cyclic olefin polymer

PMMA

Polymethymethacrylate

PP

Polypropylene

PLA

Polylactic acid

PS

Polystyrene

PC

Polycarbonate

Polymeric niche

Chemical and physical polymer surface characteristics encountered by cultured cells

Notes

Acknowledgments

We thank Paul Freudenberger for his support and helpful comments. This work was supported by a FFG grant (Project Number 824915).

Supplementary material

10856_2014_5155_MOESM1_ESM.ppt (112 kb)
Fig. S1 Mean values (n = 6) obtained after 2 h to create a standard curve starting with 2 × 103–3.2 × 106 cells for the generation of a linear equation y = mx + b.; n = 4. Supplementary material 1 (PPT 108 kb)
10856_2014_5155_MOESM2_ESM.ppt (846 kb)
Fig. S2 AFM 3-D surface images of treated and untreated polymers. Supplementary material 2 (PPT 843 kb)
10856_2014_5155_MOESM3_ESM.ppt (138 kb)
Fig. S3 Time dependent hydrophobic recovery of treated polymers a Time dependent changes in contact angles of corona treated polymers b Time dependent changes in contact angles of plasma treated polymers; n = 12 for each data set. Supplementary material 3 (PPT 134 kb)

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Stefan Haubenwallner
    • 1
  • Matthias Katschnig
    • 2
  • Ulrike Fasching
    • 1
  • Silke Patz
    • 1
  • Christa Trattnig
    • 1
  • Natascha Andraschek
    • 1
  • Gerda Grünbacher
    • 1
  • Markus Absenger
    • 3
  • Stephan Laske
    • 2
  • Clemens Holzer
    • 2
  • Werner Balika
    • 4
  • Manuela Wagner
    • 4
  • Ute Schäfer
    • 1
    Email author
  1. 1.Research Unit for Experimental Neurotraumatology, Department of NeurosurgeryMedical University of GrazGrazAustria
  2. 2.Department of Polymer Engineering and ScienceMontanuniversitaet LeobenLeobenAustria
  3. 3.Core Facility Microscopy, Centre of Medical ResearchMedical University of GrazGrazAustria
  4. 4.Sony DADC Austria AG BioSciencesAnifAustria

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