Characterization of neuron-like cells derived from canine bone marrow stromal cells |
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| Authors: | Yasutaka Oda Kenji Tani Toshitaka Kanei Tomoya Haraguchi Kazuhito Itamoto Hiroshi Nakazawa Yasuho Taura |
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| Institution: | 1. Department of Veterinary Surgery, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, 753-8515, Japan
2. Division of Veterinary Surgery, Animal Medical Center, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, 753-8515, Japan
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| Abstract: | Regenerative therapy using bone marrow stromal cells (BMSCs) has begun to be clinically applied in humans and dogs for neurological disorders such as spinal cord injury. Under appropriate conditions in vitro, BMSCs differentiate into neuronal cells, which may improve the effects of regenerative therapy. In this study, we evaluated canine neuron-like cells (NLCs) derived from BMSCs. We speculated on their suitability for neuro-transplantation from the point of view of their morphological features, long-term viability, abundant availability, and ability to be subcultured. Canine NLCs were differentiated as follows: third-passage BMSCs were maintained in pre-induction medium containing 2-mercaptoethanol and dimethylsulfoxide for 5 h, and then cells were transferred to neuronal induction medium containing fetal bovine serum, basic fibroblast growth factor, epidermal growth factor, dibutyryl cyclic AMP, and isobutylmethylxanthine for 7 or 14 days. Canine NLCs fulfilled the transplantation criteria and expressed markers of both immature neurons (nestin, 84.7 %) and mature neuronal cells (microtubule-associated protein-2, 95.7 %; βIII-tubulin protein, 12.9 %; glial fibrillary acidic protein, 9.2 %). These results suggest that canine BMSCs can be induced to differentiate into neuronal cells and may be suitable for neuro-transplantation. This study may provide information for improving cellular therapy for neurological diseases. |
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