International Journal of Oral Biology

  • 제34권4호
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  • Pages.177-183
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  • 2009
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  • 1226-7155(pISSN)
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  • 2287-6618(eISSN)
대한구강생물학회 (The Korean Academy of Oral Biology)
권호 표지

Induction of a Neuronal Phenotype from Human Bone Marrow-Derived Mesenchymal Stem Cells

  • Oh, Soon-Yi (Department of Oral Anatomy, Dental Research Institute & School of Dentistry, Seoul National University) ;
  • Park, Hwan-Woo (Department of Oral Anatomy, Dental Research Institute & School of Dentistry, Seoul National University) ;
  • Cho, Jung-Sun (Department of Oral Anatomy, Dental Research Institute & School of Dentistry, Seoul National University) ;
  • Jung, Hee-Kyung (Department of Oral Anatomy, Dental Research Institute & School of Dentistry, Seoul National University) ;
  • Lee, Seung-Pyo (Department of Oral Anatomy, Dental Research Institute & School of Dentistry, Seoul National University) ;
  • Paik, Ki-Suk (Department of Oral Anatomy, Dental Research Institute & School of Dentistry, Seoul National University) ;
  • Chang, Mi-Sook (Department of Oral Anatomy, Dental Research Institute & School of Dentistry, Seoul National University)
  • Published : 2009.12.31
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Abstract

Human mesenchymal stem cell (hMSCs) isolated from human adult bone marrow have self-renewal capacity and can differentiate into multiple cell types in vitro and in vivo. A number of studies have now demonstrated that MSCs can differentiate into various neuronal populations. Due to their autologous characteristics, replacement therapy using MSCs is considered to be safe and does not involve immunological complications. The basic helix-loop-helix (bHLH) transcription factor Olig2 is necessary for the specification of both oligodendrocytes and motor neurons during vertebrate embryogenesis. To develop an efficient method for inducing neuronal differentiation from MSCs, we attempted to optimize the culture conditions and combination with Olig2 gene overexpression. We observed neuron-like morphological changes in the hMSCs under these induction conditions and examined neuronal marker expression in these cells by RTPCR and immunocytochemistry. Our data demonstrate that the combination of Olig2 overexpression and neuron-specific conditioned medium facilitates the neuronal differentiation of hMSCs in vitro. These results will advance the development of an efficient stem cell-mediated cell therapy for human neurodegenerative diseases.

Keywords

References

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