Chondrogenic Differentiation of Human Mesenchymal Stem Cells: Effect of Electromagnetic Fields

  • Susanne Mayer-Wagner
  • Alice Paßberger
  • Volkmar Jansson
  • Peter E. Müller
Chapter
Part of the Stem Cells and Cancer Stem Cells book series (STEM, volume 7)

Abstract

Electromagnetic fields (EMF) have been shown to exert beneficial effects on cartilage tissue. Nowadays differentiated human mesenchymal stem cells (hMSCs) are discussed as an alternative to repair cartilage. Therefore the impact of EMF on hMSCs during chondrogenic differentiation plays an important role. HMSCs cultures exposed to homogeneous sinusoidal extremely low-frequency magnetic fields (5 mT) produced by a solenoid underwent chondrogenic differentiation. After 3 weeks of culture chondrogenesis was assessed by toluidine blue and safranin-O staining, immunohistochemistry, quantitative real-time PCR for cartilage specific proteins and a DMMB-dye binding assay for glycosaminoglycans. Under EMF hMSCs showed a significant increase of collagen type II expression at passage 6. Aggrecan and SOX9 expression did not change significantly after EMF exposure. Collagen type X expression decreased under electromagnetic stimulation. Pellet cultures at passage 5 which had been treated by EMF provided a higher glycosaminoglycan (GAG)/DNA content than cultures which had not been exposed to EMF. Chondrogenic differentiation of hMSCs may be improved by EMF regarding collagen type II expression and GAG content of cultures. EMF might be a way to stimulate and maintain chondrogenesis of hMSCs and therefore a new step in regenerative medicine regarding tissue engineering of cartilage.

Keywords

Chondrogenic Differentiation Human Mesenchymal Stem Cell Autologous Chondrocyte Implantation Pellet Culture Chondrogenic Potential 
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.

Notes

Acknowledgement

The article contains material from “Effects of low frequency electromagnetic fields on the chondrogenic differentiation of human mesenchymal stem cells”, Bioelectromagnetics, Volume 32, Issue 4, May 2011, Pages: 283–290, copyright © 1999–2011 John Wiley & Sons, Inc. This material is reproduced with permission of John Wiley & Sons, Inc.

Part of this research was supported by the Bayerische Forschungsstiftung and by the “Promotionsstudium Förderung für Forschung und Lehre” program from the University of Munich.

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Copyright information

© Springer Science+Business Media Dordrecht 2012

Authors and Affiliations

  • Susanne Mayer-Wagner
    • 1
  • Alice Paßberger
    • 1
  • Volkmar Jansson
    • 1
  • Peter E. Müller
    • 1
  1. 1.Orthopädische Klinik and Poliklinik, Labor für Biomechanik and Experimentelle OrthopädieLudwig-Maximilians-Universität MünchenMunichGermany

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