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人胚虹膜色素上皮细胞的初步培养和鉴定

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摘要 目的:建立人胚虹膜色素上皮细胞(IPE)分离、纯化培养体系并进行鉴定,为进一步研究IPE提供实验基础。方法:取胎龄为15周左右新鲜水囊引产的人胚眼球,取下虹膜组织,用胰蛋白酶消化,将虹膜色素上皮细胞置于培养瓶中,2周后传代,倒置相差显微镜观察,并取对数生长期细胞分别用透射电镜和扫描电镜检查,用单克隆鼠抗角蛋白抗体(AE1/AE3)标记培养细胞进行鉴定。结果:用胰酶分离消化法,人胚虹膜色素上皮细胞易分离和贴壁。细胞形态与视网膜色素上皮细胞形态极为相似,表现为多边形和梭形两种形态,胞质内含色素颗粒,传代细胞内的色素颗粒比原代细胞的色素颗粒少。免疫细胞化学染色阳性,胞质内见棕黄色染色。结论:人胚虹膜色素上皮细胞分离、纯化的实现为IPE细胞生理功能和IPE移植的深入研究提供了可能。
出处 《南京医科大学学报(自然科学版)》 CAS CSCD 北大核心 2007年第3期246-248,F0004,共4页 Journal of Nanjing Medical University(Natural Sciences)
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