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Co-transplantation of bone marrow-derived mesenchymal stem cells and nanospheres containing FGF-2 improve cell survival and neurological function in the injured rat spinal cord

  • Experimental research - Spine
  • Published:
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Abstract

Background

Spinal cord injury (SCI) is a devastating and irreversible event, and much research using fibroblast growth factor-2 (FGF-2) has been performed to test its capacity to blunt the effects of SCI as well as to provide an environment conducive for SCI repair.

Methods

We tested how the in vitro release of FGF-2 from heparin-conjugated poly(L-lactide-co-glycolide) (PLGA)-conjugated nanospheres (HCPNs) affected the growth of human bone marrow-derived mesenchymal stem cells (hBMSCs), as well as the effects of their co-transplantation in an animal model of SCI.

Results

Our results showed that sustained, long-term release of FGF-2 from HCPNs significantly increased hBMSCs proliferation in vitro, and that their co-transplantation following rat SCI lead to increased functional improvement, a greater amount of hBMSCs surviving transplantation, and a greater density of neurofilament-positive cells in the injury epicenter.

Conclusion

These results suggest a proliferative, protective, and neural inductive potential of FGF-2 for transplanted hBMSCs, as well as a possible role for sustained FGF-2 delivery along with hBMSCs transplantation in the injured spinal cord. Future studies will be required to ascertain the safety FGF-2-containing HCPNs before clinical application.

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Funding

1. The Stem Cell Research Center of the 21st Century Frontier Research Program, Ministry of Education, Science and Technology, Korea

2. The Korea Healthcare technology R&D project, Ministry for Health & Welfare Affairs, Republic of Korea (A111016)

Conflicts of interest

None.

Author information

Authors and Affiliations

  1. Spine and Spinal Cord Institute, Department of Neurosurgery, Yonsei University College of Medicine, Seoul, South Korea

    Dong Ah Shin, William A. Pennant, Do Heum Yoon, Yoon Ha & Keung Nyun Kim

  2. Brain Korea 21 Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea

    Do Heum Yoon, Yoon Ha & Keung Nyun Kim

Authors
  1. Dong Ah Shin
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  2. William A. Pennant
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  3. Do Heum Yoon
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  4. Yoon Ha
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  5. Keung Nyun Kim
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Corresponding author

Correspondence to Keung Nyun Kim.

Additional information

Dong Ah Shin and William A. Pennant contributed equally to this work.

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Shin, D.A., Pennant, W.A., Yoon, D.H. et al. Co-transplantation of bone marrow-derived mesenchymal stem cells and nanospheres containing FGF-2 improve cell survival and neurological function in the injured rat spinal cord. Acta Neurochir 156, 297–303 (2014). https://doi.org/10.1007/s00701-013-1963-y

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  • DOI: https://doi.org/10.1007/s00701-013-1963-y

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