Alternative splicing in self-renewal of embryonic stem cells.

Alternative splicing in self-renewal of embryonic stem cells.
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DOI:
10.4061/2011/560261
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发表时间:
2011
影响因子:
4.3
通讯作者:
Lufkin T
Lufkin T
中科院分区:
医学3区
文献类型:
--
作者:
Cheong CY;Lufkin T

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胚胎干细胞生物学的大部分研究都集中在基因的转录表达和调控上,这些基因可以介导其在自我更新或多能性方面的独特潜力。根据我们目前对可能指导细胞命运的遗传、蛋白质和表观遗传因素的理解,我们对可变剪接变体对调控多样性经常被忽视的贡献进行了简短的概述。选择性剪接超越了固定基因组序列的限制,提供了额外的复杂性,可以产生功能和定位可能不同的蛋白质变体,从而引导胚胎干细胞进入特定的分化途径。鉴于仅在关键 ES 细胞基因上就可以产生的变体数量,考虑转录调控到底有多多方面以及是否可以在未来的工作中更充分地捕获这一点是具有挑战性的。
Much of embryonic stem cell biology has focused on transcriptional expression and regulation of genes that could mediate its unique potential in self-renewal or pluripotency. In alignment with our present understanding on the genetic, protein, and epigenetic factors that may direct cell fate, we present a short overview of the often overlooked contribution of alternative splice variants to regulatory diversity. Progressing beyond the limitations of a fixed genomic sequence, alternative splicing offers an additional layer of complexity to produce protein variants that may differ in function and localization that can direct embryonic stem cells to specific differentiation pathways. In light of the number of variants that can be produced at key ES cell genes alone, it is challenging to consider how much more multifaceted transcriptional regulation truly is, and if this can be captured more fully in future works.
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期刊: NATURE
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