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自体MSC移植修复兔角膜碱烧伤的研究

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摘要 目的:观察中度角膜碱烧伤后自体骨髓间充质干细胞(BMSCs)移植后受损角膜的形态学变化,探讨BMSCs可能的修复作用。方法:体外分离培养得到BMSCs,生物学鉴定。制备中度角膜碱烧伤模型,移植后28d观察角膜透明度、角膜新生血管(CNV)。结果:兔BMSCs呈长梭形的成纤维细胞样形态。高表达CD29,低表达CD34。碱烧伤后裂隙灯下观察见符合中度角膜碱烧伤模型:角膜上皮剥脱,基质轻度浑浊,角膜缘缺血<1/2,球结膜水肿,虹膜细微结构窥不清楚。BMSCs移植后28d时实验组角膜较对照组透亮,新生血管面积减少。结论:兔角膜碱烧伤后行自体MSC一定程度上抑制了角膜新生血管的生长,促进受损角膜愈合。
出处 《陕西医学杂志》 CAS 2014年第2期155-157,共3页 Shaanxi Medical Journal
基金 陕西省自然科学基金资助项目(2010JQ4015)
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