Reprogramming of avian neural crest axial identity and cell fate.

Reprogramming of avian neural crest axial identity and cell fate.
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DOI:
10.1126/science.aaf2729
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发表时间:
2016-06-24
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Bronner ME
Bronner ME
中科院分区:
其他
文献类型:
--
作者:
Simoes-Costa M;Bronner ME

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沿着胚胎体轴的神经嵴群体在发育潜力和命运上不同,使得只有颅神经嵴可以在体内对颅面骨骼做出贡献。在这里,我们探讨的监管程序,灌输颅嵴与其独特的功能。使用轴向水平特异性增强子分离和执行全基因组分析的颅与躯干神经嵴在鸡胚,我们确定和表征一组颅特异性转录因子之间的调控关系。将该回路的组分引入躯干的神经嵴细胞中改变了它们的身份,并赋予这些细胞在体内产生成软骨细胞的能力。我们的研究结果表明,支持特定神经嵴衍生物形成的基因调控回路可用于重编程特定神经嵴衍生细胞类型。
Neural crest populations along the embryonic body axis differ in developmental potential and fate, such that only cranial neural crest can contribute to craniofacial skeleton in vivo. Here, we explore the regulatory program that imbues the cranial crest with its unique features. Using axial-level specific enhancers to isolate and perform genome-wide profiling of cranial versus trunk neural crest in chick embryos, we identify and characterize regulatory relationships between a set of cranial-specific transcription factors. Introducing components of this circuit into neural crest cells of the trunk alters their identity and endows these cells with the ability to give rise to chondroblasts in vivo. Our results demonstrate that gene regulatory circuits that support formation of particular neural crest derivatives may be employed for reprogramming specific neural crest derived cell types.
DOI: 10.1101/gr.157586.113
发表时间: 2013-07
期刊: Genome research
影响因子: 7
作者:
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