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Effects of recombinant human basic fibroblast growth factor on cell proliferation during mandibular fracture healing in rabbits

机译:重组人碱性成纤维细胞生长因子对兔下颌骨折愈合过程中细胞增殖的影响

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Objective: To investigate the effects of recombinant human basic fibroblast growth factor (rhbFGF) on the cell proliferation during mandibular fracture healing in rabbits. Methods: The complex of rhbFGF and bovine type I collagen was implanted into the mandibular fracture site under periosteum of the annual. The whole mandible was harvested at 7, 14, 28, 56 and 84 days respectively after operation. The expression of proliferating cell nuclear antigen ( PCNA ) in callus was examined with immunohistochemical staining. Results: PCNA-positive cells in callus in the rhbFGF-treated group on days 7 and 14 were more than that in the control group (P < 0.01). Conclusions: It indicates that rhbFGF can stimulate cell proliferation during mandibular fracture healing in rabbits.
机译:目的:探讨重组人碱性成纤维细胞生长因子(rhbFGF)对兔下颌骨骨折愈合过程中细胞增殖的影响。方法:将rhFGF和牛I型胶原的复合物植入一年生骨膜下颌骨骨折部位。手术后分别在7、14、28、56和84天收获整个下颌骨。用免疫组织化学染色检查愈伤组织中增殖细胞核抗原(PCNA)的表达。结果:在第7天和第14天,rhbFGF治疗组愈伤组织中的PCNA阳性细胞比对照组要多(P <0.01)。结论:rhbFGF可刺激兔下颌骨骨折愈合过程中的细胞增殖。

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