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淫羊藿苷对BMSCs复合冻干骨支架体内异位成骨的效果 被引量:2

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摘要 目的:探讨淫羊藿苷作用后的骨髓基质细胞(BMSCs)复合冻干骨支架的体内成骨能力。方法:取实验犬第三代BMSCs,将浓度为50ng/ml的淫羊藿苷添加到培养液中,设立空白对照组、阳性对照组(50ng/ml BMP-2)。将各实验组BMSCs与猪冻干脱钙骨支架复合培养7天后回植到裸鼠皮下,8周后取材,通过HE染色、X线灰度分析和标本钙磷含量的测定来评价其体内成骨情况。结果:大体标本看见个实验组细胞支架复合物均可见支架孔隙内有有软、硬组织长入;HE染色显示个实验组均可观察到新生组织为骨小梁样结构;影像学分析淫羊藿苷和BMP-2两组细胞支架复合物灰度值高于DMSO组更高于对照组,差别有统计学意义;淫羊藿苷组和BMP-2组细胞支架复合物的钙、磷离子含量高于其他3个实验组,差异有统计学意义,且各组中的磷、钙比值接近一个固定值。结论:淫羊藿苷可以有效的增强骨髓基质细胞(BMSCs)和冻干骨支架复合物在裸鼠体内的成骨能力。
出处 《中国美容医学》 CAS 2012年第11X期82-83,共2页 Chinese Journal of Aesthetic Medicine
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