期刊
JOURNAL OF ORTHOPAEDIC RESEARCH
卷 27, 期 1, 页码 36-41出版社
WILEY
DOI: 10.1002/jor.20680
关键词
colony-stimulating factor-1; bone remodeling; osteoclasts; fracture healing; animal model
类别
资金
- Lorenz Bohler Foundation
- Medical-Scientific Fund
The role of colony stimulating factor-1 (CSF-1) in the regulation of osteoclasts and bone remodeling suggests that CSF-1 may also be involved in regulation of bone healing. The ability of CSF-1 to promote healing of bone defects was tested in a rabbit model. Twenty four New Zeeland rabbits were included in the study. Animals were assigned to two groups: the control group (n = 12) was treated by plate fixation. The animals in the second group (n = 12) were also stabilized by conventional plating and received additionally CSF-1 for 2 weeks systemically. Histologic, histomorphometric, and radiologic examinations were performed to evaluate the healing process at 4, 8, and 12 weeks following surgery. Animals that were treated by CSF-1 produced a significantly higher amount of mineralized bone over the first 8 weeks after fracture compared to the control animals. Furthermore, a higher number of osteoclasts was found in CSF-1-treated animals within the first 8 weeks, compared to the controls. The present data emphasize for the first time the importance of CSF-1 in the bone healing. The use of CSF-1 in addition to conventional fixation might be a novel approach for the treatment of bone defects. (C) 2008 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 27:36-41, 2009
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