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体外诱导胚胎干细胞分化为毛细胞的实验研究 被引量:7

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摘要 目的 体外定向诱导小鼠胚胎干细胞分化为内耳毛细胞。方法 用不同的培养液和多种细胞因子在体外进行胚胎干细胞向内耳毛细胞诱导分化的实验研究 ,并用WesternBlot和细胞免疫组化对分化不同阶段的特异性分子指标进行了鉴定。结果 从形态学上 ,团状或簇状小的圆型干细胞诱导分化成类神经样细胞 ;Westernblot和免疫组化提示不同时期表达不同的特异性蛋白 ,如胚胎干细胞未分化期表达SSEA -1,增殖期为phalloidi、nestin、CD3 4、BrdU ,毛细胞形成期为Math1、Brn3C和Calretinin。结论 体外已成功将胚胎干细胞诱导分化为具有分子特征的内耳毛细胞。
出处 《中国神经精神疾病杂志》 CAS CSCD 北大核心 2004年第6期454-455,i009,共3页 Chinese Journal of Nervous and Mental Diseases
基金 国家自然科学基金 (编号 :3 0 0 40 0 0 1 ) 广东省科委重点项目基金 (编号 :0 92 0 2 4)
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