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dc.contributor.authorWichaya Sriutthaen_US
dc.contributor.authorNantawat Uttamoen_US
dc.contributor.authorApisek Kongkaewen_US
dc.contributor.authorJongkolnee Settakornen_US
dc.contributor.authorSuchanan Rattanasaleeen_US
dc.contributor.authorPrachya Kongtawelerten_US
dc.contributor.authorDumnoensun Pruksakornen_US
dc.contributor.authorPeraphan Pothacharoenen_US
dc.description.abstract© 2016, Springer Science+Business Media Dordrecht. Due to the inconvenient and invasive nature of chondrocyte transplantation, preserved cartilage has been recognized as an alternative source of chondrocytes for implantation. However, there are major concerns, in particular, the viability and quality of the chondrocytes. This study investigated the biochemistry and molecular characterization of chondrocytes isolated from preserved cartilage for purposes of transplantation. Ex vivo characterization was accomplished by storing human cartilage at either 4 or −80 °C in a preservation medium. Microscopic evaluation of the preserved cartilage was conducted after 1, 2, 3 and 6 weeks. The chondrocytes were isolated from the preserved cartilage and investigated for proliferation capacity and chondrogenic phenotype. Transplantation of chondrocytes from preserved cartilage into rabbit knees was performed for purposes of in vivo evaluation. The serum cartilage degradation biomarker (WF6 epitopes) was evaluated during the transplantation procedure. Human cartilage preserved for 1 week in a 10 % DMSO chondrogenic medium at 4 °C gave the highest chondrocyte viability. The isolated chondrocytes showed a high proliferative capacity and retained chondrogenic gene expression. Microscopic assessment of the implanted rabbit knees showed tissue regeneration and integration with the host cartilage. A decreased level of the serum biomarker after transplantation was evidence of in vivo repair by the implanted chondrocytes. These results suggest that cartilage preservation for 1 week in a 10 % DMSO chondrogenic medium at 4 °C can maintain proliferation capacity and the chondrogenic phenotype of human chondrocytes. These results can potentially be applied to in vivo allogeneic chondrocyte transplantation. Allogeneic chondrocytes from preserved cartilage would be expected to maintain their chondrogenic phenotype and to result in a high rate of success in transplanted grafts.en_US
dc.subjectBiochemistry, Genetics and Molecular Biologyen_US
dc.subjectMaterials Scienceen_US
dc.titleEx vivo and in vivo characterization of cold preserved cartilage for cell transplantationen_US
article.title.sourcetitleCell and Tissue Bankingen_US
article.volume17en_US Mai Universityen_US
Appears in Collections:CMUL: Journal Articles

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