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视网膜色素上皮细胞培养上清液联合视黄酸对骨髓间充质干细胞的诱导分化作用 被引量:1

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摘要 目的:探讨人类视网膜色素上皮(human retinal pigment epithe—lialium,hRPE)细胞培养上清液联合全反视黄酸(all-trans Retinoid Acid,RA)对骨髓间充质细胞(bone marrow stromal cells.BMSCs)诱导分化的影响。方法:实验分3组:RPE+RA+BMSc共培养组,RPE+BMSc共培养组,对照组。体外培养人视网膜色素上皮细胞(hRPE)和大鼠骨髓间充质干细胞(BMSc),取第2代HRPE和第3代BMSCc接种于Transwell双层培养板内共培养。倒置相差显微镜下观察细胞形态变化,采用免疫细胞化学染色检测胶质源性纤维酸性蛋白(GFAP)、神经元特异性标志物烯醇化酶(NSE)、光感受器特异性标志视紫质(Rhodopsin)在诱导细胞中的表达。结果:hRPE培养上清液+BMSCs+RA组诱导BMSCs更多的表达GFAP(84.57士6.68)%,NSE(56.29士6.51)%,和Rhodopsin(41.47士3.76)%;与RPE培养上清液+BMSCs组及单独BMSc组相比组间差异有统计学意义。结论:RPE培养上清液+BMSCs+RA可以诱导BMSCs向神经元、胶质细胞与视细胞分化。
出处 《海峡科学》 2010年第5期48-50,共3页 Straits Science
基金 福建省重点科研课题(基金编号:2008Y0040)
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