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N Engl J Med:自体诱导干细胞产生的视网膜细胞用于治疗黄斑变性

2017-03-22 MedSci MedSci原创

研究人员评估了在新生血管性年龄相关性黄斑变性患者中,移植从诱导多能干细胞(iPSCs)中分离的视网膜色素上皮细胞(RPE)片的可行性。iPSC从两名晚期新生血管性年龄相关性黄斑变性患者的皮肤成纤维细胞产生,并分化为RPE细胞。RPE细胞和共同来源的iPSC经过严格的测试。在其中一位患者中进行包括去除新生血管膜,并在视网膜下移植自体iPSC衍生的RPE细胞片的手术。手术后1年,移植片保持完整,矫正视

最近,来自日本理化研究所(RIKENMasayo Takahashi领导的研究团队报道了关于干细胞临床试验治疗黄斑变性的研究, 相关研究成果刊登于国际权威杂志N Engl J Med上。

干细胞是一类未完全分化且具有再生各种组织器官潜在功能的细胞。干细胞可用于修复特定的组织或生长器官,具有开发成人类疾病治疗的新方法的巨大前景。

研究人员评估了在新生血管性年龄相关性黄斑变性患者中移植从诱导多能干细胞(iPSCs)中分离的视网膜色素上皮细胞(RPE)片的可行性。iPSC从两名晚期新生血管性年龄相关性黄斑变性患者的皮肤成纤维细胞产生,并分化为RPE细胞。RPE细胞和共同来源的iPSC经过严格的测试。在其中一位患者中进行包括去除新生血管膜,并在视网膜下移植自体iPSC衍生的RPE细胞片的手术。手术后1年,移植片保持完整,矫正视力最佳既没有改善也未变差,尽管出现了囊性黄斑水肿。

该研究首次表明iPSC临床应用是相对安全的。

研究由实现再生医学高等项目资助;大学医院医学信息网络临床试验注册[UMIN-CTR]号码为UMIN000011929

原始出处:

Michiko Mandai, M.D., Ph.D., Akira Watanabe, Ph.D. Masayo Takahashi.et al.Autologous Induced Stem-Cell–Derived Retinal Cells for Macular Degeneration. N Engl J Med 2017; 376:1038-1046March 16, 2017DOI: 10.1056/NEJMoa1608368

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    2017-06-17 haouestc
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    2017-12-20 spoonycyy
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    2017-03-24 zutt
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    2017-03-24 huangdf
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    2017-03-24 muzishouyi
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