可储存的人类iPSC衍生的视网膜原始体代表了多能细胞的宝贵来源
Sandy Gozlan1, Vivien Batoumeni1, Tara Fournier1
1Sorbonne Université, INSERM, CNRS, Institut de la Vision, F-75012, Paris, France.
Communications biology
|July 21, 2023
概括
研究人员开发了简单的方法来产生和扩展人类诱导的多能干细胞衍生的视网膜前代细胞 (hiRPCs),保持它们的多能性用于视网膜细胞疗法和疾病研究.
科学领域:
- 干细胞生物学 干细胞生物学
- 视网膜细胞的发育.
- 再生医学是一种再生医学.
背景情况:
- 视网膜原生细胞 (RPC) 对于产生所有视网膜细胞类型至关重要.
- 以前用于RPC隔离和扩张的方法往往会损害它们的多功效.
研究的目的:
- 建立产生,扩展和冷保存多能人体诱导多能干细胞衍生RPC (hiRPC) 的方法.
- 评估hiRPCs的差异化潜力和治疗应用.
- 使用hiRPC和视网膜器官识别与视网膜疾病相关的基因.
主要方法:
- 使用新媒体和简单协议生成和扩展hiRPC.
- 低温保存和解的hiRPCs. 这是一个很好的方法.
- 评估hiRPC表型,多功率和差异化能力.
- 对hiRPCs和视网膜器官的RNA测序分析.
主要成果:
- 通过成功生成,扩展和冷保存hiRPC,同时保持其RPC特征和多效.
- hiRPCs分化成所有视网膜细胞类型.
- 在没有净化的情况下,摄影受体前体培养在几周内缩到90%.
- RNA-seq确定了与视网膜发育和退行性疾病相关的基因.
结论:
- 已建立的hiRPC线路作为视网膜细胞的有价值和稳定的来源.
- 这些hiRPC具有基于细胞的疗法,药物发现和理解视网膜变的潜力.
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