Alternative pre-mRNA splicing in neurons: growing up and extending its reach.

Alternative pre-mRNA splicing in neurons: growing up and extending its reach.
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DOI:
10.1016/j.tig.2013.04.003
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发表时间:
2013-08
期刊:
影响因子:
11.4
通讯作者:
Black, Douglas L.
Black, Douglas L.
中科院分区:
生物学1区
文献类型:
--
作者:
Zheng, Sika;Black, Douglas L.

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选择性的前mRNA剪接决定了大多数神经元表达基因的蛋白质输出。已经描述了许多通过不同mRNA亚型的编码变化来调节蛋白质功能的例子。最近的一些研究表明,通过剪接与mRNA代谢的其他过程的耦合,选择性剪接也可以作为基因表达的开/关开关。其他受调控的剪接事件可能通过改变mRNA的定位或翻译来决定其在以后的细胞质生命中如何被利用。这些研究表明,转录后基因调控的多个步骤是密切相关的。总之,这些调控过程在神经元细胞生物学的各个方面都发挥着关键作用,从神经元的初始分化,到神经元连接的选择,最后到神经元成熟回路的功能。
Alternative pre-mRNA splicing determines the protein output of most neuronally expressed genes. Many examples have been described of protein function being modulated by coding changes in different mRNA isoforms. Several recent studies demonstrate that through the coupling of splicing to other processes of mRNA metabolism alternative splicing can also act as an on/off switch for gene expression. Other regulated splicing events may determine how an mRNA is utilized in its later cytoplasmic life by changing its localization or translation. These studies make clear that the multiple steps of post-transcriptional gene regulation are strongly linked. Together these regulatory process play key roles in all aspects of the cell biology of neurons, from their initial differentiation, to their choice of connections, and finally to their function with mature circuits.
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