Branch management: mechanisms of axon branching in the developing vertebrate CNS.

Branch management: mechanisms of axon branching in the developing vertebrate CNS.
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DOI:
10.1038/nrn3650
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发表时间:
2014-01
影响因子:
34.7
通讯作者:
Dent, Erik W.
Dent, Erik W.
中科院分区:
医学1区
文献类型:
--
作者:
Kalil, Katherine;Dent, Erik W.

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单个轴突延伸多个分支并形成末端树状结构的非凡能力允许脊椎动物神经元整合来自神经系统不同区域的信息。轴突在发育过程中选择适当的通路,但正是从轴突轴延伸并在特定靶点处分支的分支负责脊椎动物CNS中几乎所有的突触连接。轴突如何在特定的目标区域形成分支?最近的研究已经确定了激活轴突中的细胞内信号传导通路并介导细胞骨架的动态重组以促进轴突分支形成的分子线索。
The remarkable ability of a single axon to extend multiple branches and form terminal arbors allows vertebrate neurons to integrate information from divergent regions of the nervous system. Axons select appropriate pathways during development, but it is the branches that extend interstitially from the axon shaft and arborize at specific targets that are responsible for virtually all of the synaptic connectivity in the vertebrate CNS. How do axons form branches at specific target regions? Recent studies have identified molecular cues that activate intracellular signalling pathways in axons and mediate dynamic reorganization of the cytoskeleton to promote the formation of axon branches.
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