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The many roads to Rome: induction of neural precursor cells from fibroblasts

机译:该条条大道通罗马:从成纤维细胞的神经前体细胞的诱导

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摘要

The experimental induction of specific cell fates in related or unrelated lineages has fascinated developmental biologists for decades. The evaluation of altered cell fates in response to ectopic expression during embryonic development has been a standard assay for interrogating gene function. However, until recently examples of cell lineage conversions were limited to closely related and primitive cell types. The induction of pluripotency in fibroblasts prominently highlighted that combinations of transcription factors can be extremely powerful and are much more effective than single genes. On the basis of this conclusion we previously identified transcription factor combinations that directly induce functional neuronal cells from mesodermal and endodermal cells. This work has evoked numerous additional studies demonstrating direct lineage conversion into neural and other lineages. Here, we review the generation of neural progenitor cells from fibroblasts, which is the newest addition to the arena of induced cell types. Surprisingly, two fundamentally different approaches have been taken to induce this cell type, one direct approach and another that involves the intermediate generation of a partially reprogrammed pluripotent state.
机译:在相关谱系或无关谱系中对特定细胞命运进行实验性诱导已经使发育生物学家着迷了数十年。评估胚胎发育过程中异位表达改变的细胞命运已成为询问基因功能的标准方法。但是,直到最近,细胞谱系转换的例子仍局限于紧密相关和原始的细胞类型。在成纤维细胞中多能性的诱导突出显示,转录因子的组合可能非常强大,并且比单个基因更有效。基于此结论,我们先前确定了直接从中胚层和内胚层细胞中诱导功能性神经元细胞的转录因子组合。这项工作引起了许多其他研究的证实,这些研究表明直接的谱系转化为神经谱系和其他谱系。在这里,我们回顾了由成纤维细胞生成的神经祖细胞,这是诱导细胞类型领域的最新成员。令人惊讶的是,已经采取了两种根本不同的方法来诱导这种细胞类型,一种直接的方法,另一种涉及部分重新编程的多能状态的中间产生。

著录项

  • 期刊名称 other
  • 作者

    Ernesto Lujan; Marius Wernig;

  • 作者单位
  • 年(卷),期 -1(22),5
  • 年度 -1
  • 页码 517–522
  • 总页数 11
  • 原文格式 PDF
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