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  • Title: [Study on combined transplantation of rabbit's marrow stroma cells and hematomas in bone healing].
    Author: Li GT, Peng ZX, Zhang GH, Luo DX, Chen WJ, Xu WY, Qi Y.
    Journal: Zhongguo Gu Shang; 2008 Nov; 21(11):839-41. PubMed ID: 19143247.
    Abstract:
    OBJECTIVE: To study the potentiality of osteanagenesis of the hematomas formed around the fractures and that of the marrow stroma cells, evaluate the effect of the combined trans-plantation of the hematoma and the marrow stroma cells, to explore a new method to accelerate the union of fracture. METHODS: The bone defect models were made on the tibias of the New-Zealand's rabbits. The hematomas formed around the fracture were taken out 3 days latter after the operation, the marrow stroma cells were abstracted from the femoral marrow simultaneously. And then the mixture of the hematoma and the marrow stroma cells were transplanted to the defects of the tibias in the experiment group, and the hematoma transplanted simply to the same place in the control group. The radio-graph and the histological observation of the osteotylus were carried out regularly post-operation. RESULTS: 1) There was a significant difference in osteotylus quantity between the two groups: more osteotylus and obvious periosteal proliferation were found in the experiment group than that in the control group which accepted the transplantation of the hematomas alone. 2) There was a significant difference in osteoblast number between the two groups: more sclerotomal-like cells were observed under the microscope in the experiment group than that in the control group. CONCLUSION: Marrow stroma cells have great potentiality of osteoanagenesis. The result of combined transplantation of the marrow stroma cells and the hematomas is more effective than that of simple transplantation of the bone hematoma.
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