血管内皮生长因子在骨组织工程中的应用

被引:17
作者
孙勇
肖建德
机构
[1] 深圳市第二人民医院骨三科
关键词
血管内皮生长因子; 组织工程化骨; 血管化; 骨化;
D O I
暂无
中图分类号
R318 [生物医学工程];
学科分类号
100103 [病原生物学];
摘要
血管内皮生长因子(VEGF)选择性作用于血管内皮,在血管生成和血管形成中均发挥极其重要的作用。近年VEGF在骨组织工程中的应用越来越多。研究发现VEGF促进组织工程化骨的血管化,对成骨细胞有趋化和促分化功能,并与多种细胞因子有协同作用。局部注射和植入VEGF因很快扩散和降解而作用甚微,目前研究主要集中在VEGF的缓释、基因转染及植入能分泌VEGF的细胞等技术,以期获得足够的作用浓度和时间。组织工程化骨的骨化过程是多细胞因子作用下的复杂过程,各因子的最佳作用浓度、时间和先后顺序均需进一步研究。
引用
收藏
页码:393 / 397
页数:5
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