期刊文献+

bFGF聚乳酸纳米微球对兔成骨细胞增殖的影响 被引量:8

Effect of Basic Fibroblast Growth Factor-Polylactide Sustained Release Nanospheres on Proliferation of Rabbit Osteoblast in Vitro.
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摘要 目的:观察碱性成纤维生长因子聚乳酸纳米微球缓释系统(bFGF-PLA-Ns)对体外培养的兔成骨细胞的增殖影响。方法:体外培养兔成骨细胞并鉴定,将bFGF-PLA-Ns和成骨细胞一起培养,采用MTT法检测微球对成骨细胞增殖状况的影响,免疫组化检测增殖细胞核抗原(PCNA)在成骨细胞中表达,并与单纯bFGF的作用进行比较。结果:bFGF-PLA-Ns具有良好的生物活性,能显著促进兔成骨细胞的增殖,其效应高于单纯施加bFGF的效应。结论:制备的bFGF-PLA-Ns比单纯的bFGF有更为显著的生物学效应,在骨创伤的治疗中有良好的前景。 Objective: To evaluate the proliferative effect of basic fibroblast growth factor -polylactide sustained release nanospheres (bFGF- PLA- Ns) on cultured rabbit osteoblast in vitro. Methods: Cell culture technique and MTr colorimetric assay were used to evaluate the proliferation of rabbit osteoblast by adding bFGF -PLA - Ns or only bFGF. Expression of proliferating cell nuclear antigen (PCNA) was examined with immunohistochemical staining. Results: The results showed that bFGF - PLA - Ns had biological activity. Statistical analysis showed that bFGF - PLA - Ns could enhance significantly more proliferation of rabbit ostenhlast than that of bFGF, Conclusion: bFGF - PLA - MS enhances proliferation better than bFGF on rabbit osteoblast.
出处 《口腔医学研究》 CAS CSCD 2007年第1期39-41,共3页 Journal of Oral Science Research
基金 第三军医大学校管课题(编号:2004D107) 全军医药卫生科研基金资助项目(编号:01MA165)
关键词 碱性成纤维生长因子 微球 缓释 增殖 成骨细胞 Basic fibroblast growth factor Nanospheres Sustained release Proliferation Osteoblast
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参考文献8

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