The canine epiphyseal-derived mesenchymal stem cells are comparable to bone marrow derived-mesenchymal stem cells

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  • CHANG Ya-Pei
    Institute of Veterinary Clinical Science, School of Veterinary Medicine, National Taiwan University, Taipei 106, Taiwan
  • HONG Hsuan-Ping
    Institute of Veterinary Clinical Science, School of Veterinary Medicine, National Taiwan University, Taipei 106, Taiwan
  • LEE Yen-Hua
    Department of Animal Science and Technology, National Taiwan University, Taipei 106, Taiwan
  • LIU I-Hsuan
    Department of Animal Science and Technology, National Taiwan University, Taipei 106, Taiwan Research Center for Developmental Biology and Regenerative Medicine, National Taiwan University, Taipei 106, Taiwan

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Mesenchymal stem cells (MSCs) hold great potential in cell therapy and have attracted increasing interests in a wide range of biomedical sciences. However, the scarcity of MSCs and the prolonged isolation procedure limited the clinical application. To address these 2 issues, we developed a method to isolate MSCs from bone biopsy tissues of euthanized canine body donors. Compared to the traditional method to isolate MSCs from aspirated bone marrow (BMSCs), the isolation procedure for MSCs from harvested epiphyseal cancellous bone (EMSCs) was less time-consuming. The isolated EMSCs had similar plastic-adherence, tri-lineage differentiation and consistent surface marker profiles compared to BMSCs. We harvested BMSCs and EMSCs from 24 euthanized cases from clinics and 42 euthanized donors from a local shelter. The successful rate for EMSC isolation is significantly higher compared to BMSC isolation, while the other properties of the isolated MSCs including the clonogenicity, proliferative potentials and molecular phenotypes were not discernibly different between the MSCs established by the two methods. In conclusion, we demonstrated a new procedure to harvest MSCs by bone biopsy at the epiphyseal region. This method is less time consuming and more reliable, and the resulting MSCs are comparable to those harvested by bone marrow aspiration. The combination of the two methods can greatly improve the efficiency to harvest MSCs.

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