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  • Title: [Research of repairing rabbit knee joint cartilage defect by compound material of fibrin glue and decalcified bone matrix (DBM) and chondrocytes].
    Author: He J, Yang X, Yue PJ, Wang GY, Guo T, Zhao JN.
    Journal: Zhongguo Gu Shang; 2009 Jul; 22(7):523-6. PubMed ID: 19705719.
    Abstract:
    OBJECTIVE: To investigate the feasibility and effectivity of using compound material of fibrin glue and DBM as scaffolds for cartilage tissue engineering. METHODS: Chondrocytes isolated from articular cartilage were seeded into prepared scaffolds, after incubation for 4 weeks in vitro. Chondrocytes and fibrin glue and DBM constructs were implanted in the joint cave of rabbit. The specimens were excised at the 4th, 8th, 12th week, examined grossly analyzed by haematoxylin cosine, toluidine blues staining and type II collagen immunohistochemistry reaction. Wakitani score was counted to evaluate the repairing effect. RESULTS: Grossly analysis showed some ivory tissue filled the caves after 4 weeks and the caves were full filled with smooth surface after 12 weeks. The microscope showed a good deal of chondrocytes appeared after 8 weeks and more type II collagen than 4 weeks. Twelve weeks later, cartilage lacuna could be observed. The cells arrangement and the amount of type II collagen both showed the same as the natural one. CONCLUSION: Complicated material of fibrin glue and DBM as scaffolds can be used as scaffolds for cartilage tissue engineering.
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