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성견 치계줄기세포 및 골수줄기세포 특성에 관한 연구
Investigation of postnatal stem cells from canine dental tissue and bone marrow

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Authors
진민주; 김영성; 김수환; 김경화; 이철우; 구기태; 김태일; 설양조; 구영; 류인철; 정종평; 이용무
Issue Date
2009
Publisher
대한치주과학회
Citation
대한치주과학회지 2009;39:119-128.
Keywords
stem cellsdifferentiationperiodontal ligamentregeneration
Abstract
Purpose: The aim of this study was to evaluate the stemness of cells from canine dental tissues and bone marrow. Methods: Canine periodontal ligament stem cells (PDLSC), alveolar bone stem cells (ABSC) and bone marrow stem cells(BMSC) were isolated and cultured. Cell differentiations (osteogenic, adipogenic and chondrogenic) and surface antigens (CD146, STRO-1, CD44, CD90, CD45, CD34) were evaluated in vitro. The cells were transplanted into the subcutaneous space of nude mice to assess capacity for ectopic bone formation at 8 weeks after implantation. Results: PDLSC, ABSC and BMSC differentiated into osteoblasts, adipocytes and chondrocytes under defined condition. The cells expressed the mesenchymal stem cell markers differently. When transplanted into athymic nude mice, these three kinds of cells with hydroxyapatite /- tricalcium phosphate (HA/TCP) carrier showed ectopic bone formation. Conclusions: This study demonstrated that canine dental stem cells have stemness like bone marrow stem cells. Transplantation of these cells might be used as a therapeutic approach for dental stem cell-mediated periodontal tissue regeneration.
ISSN
0250-3352
Language
Korean
URI
http://hdl.handle.net/10371/47743
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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