Journal of Veterinary Clinics (한국임상수의학회지)

The Korean Society of Veterinary Clinics (한국임상수의학회)
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Canine Mesenchymal Stem Cells Derived from Bone Marrow: Isolation, Characterization, Multidifferentiation, and Neurotrophic Factor Expression in vitro

  • Jung, Dong-In (College of Veterinary Medicine, Gyeongsang National University) ;
  • Ha, Jeong-Im (Department of Cell and Developmental Biology, School of dentistry, DRI and Brain Korea 21 Program, Seoul National University) ;
  • Kim, Ju-Won (College of Veterinary Medicine, Konkuk University) ;
  • Kang, Byeong-Teck (College of Veterinary Medicine, Konkuk University) ;
  • Yoo, Jong-Hyun (College of Veterinary Medicine, Konkuk University) ;
  • Park, Chul (School of Veterinary Medicine, University of California, Davis) ;
  • Lee, Jong-Hwan (College of Veterinary Medicine, Konkuk University) ;
  • Park, Hee-Myung (College of Veterinary Medicine, Konkuk University)
  • Published : 2008.12.31
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Abstract

The purpose of this study is to characterize canine mesenchymal stem cells (MSCs) derived from bone marrow (BM) for use in research on the applications of stem cells in canine models of development, physiology, and disease. BM was harvested antemortem by aspiration from the greater tubercle of the humerus of 30 normal beagle dogs. Canine BM-derived MSCs were isolated according to methods developed for other species and were characterized based on their morphology, growth traits, cell-surface antigen profiles, differentiation repertoire, immunocytochemistry results, and neurotrophic factor expression in vitro. The canine MSCs exhibited a fibroblast-like morphology with a polygonal or spindle-shaped appearance and long processes; further, their cell-surface antigen profiles were similar to those of their counterparts in other species such as rodents and humans. The canine MSCs could differentiate into osteocytes and neurons on incubation with appropriate induction media. RT-PCR analysis revealed that these cells expressed NGF, bFGF, SDF-1, and VEGF. This study demonstrated that isolating canine MSCs from BM, stem-cell technology can be applied to a large variety of organ dysfunctions caused by degenerative diseases and injuries in dogs. Furthermore, our results indicated that canine MSCs constitutively secrete endogenous factors that enhance neurogenesis and angiogenesis. Therefore, these cells are potentially useful for treating dogs affected with various neurodegenerative diseases and spinal-cord injuries.

Keywords

References

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