Ex vivo cartilage defect model for the evaluation of cartilage regeneration using mesenchymal stem cells(CELL AND TISSUE ENGINEERING)
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概要
- 論文の詳細を見る
An ex vivo cartilage defect model for the evaluation of cartilage regeneration using mesenchymal stem cells (MSCs) was developed. Porcine chondrocytes and human MSCs were transplanted into cartilage defects created on the porcine osteochondral and chondral discs and cultivated for 3 weeks. Although the regeneration of cartilage-like tissues was observed after the transplantation of chondrocytes to defects on both of the osteochondral and chondral discs, the transplanted MSCs formed cartilage-like tissues only in the defect on the chondral disc, in which an in vivo cartilage-like structure was partly observed, and a degraded tissue was observed in the defect on the osteochondral disc. The effects of medium additives such as serum, transforming growth factor-β3 (TGF-β3), and fibroblast growth factor-2, and the transfection of TGF-β3 gene to MSCs could be clearly estimated using the cartilage defect model. In conclusion, a chondral disc with defects is useful for evaluating cartilage regeneration using MSCs.
著者
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Wakitani Shigeyuki
Orthopedic Surgery Osaka City Univ. School Of Medicine 1-4-3 Asahi-machi Abeno-ku Osaka Osaka 545-85
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Iwai Ryosuke
Division Of Biotechnology And Macromolecular Chemistry Graduate School Of Engineering Hokkaido Unive
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Takagi Mutsumi
Division Of Biotechnology And Macromolecular Chemistry Graduate School Of Engineering Hokkaido Unive
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Fujiwara Masashi
Division Of Biotechnology And Macromolecular Chemistry Graduate School Of Engineering Hokkaido Unive
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Takagi Mutsumi
Division Of Molecular Chemistry Graduate School Of Engineering Hokkaido University
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