RNA translation in axons.

RNA translation in axons.
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DOI:
10.1146/annurev.cellbio.20.010403.111746
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发表时间:
2004
影响因子:
11.3
通讯作者:
Holt C
Holt C
中科院分区:
生物学1区
文献类型:
--
作者:
Piper M;Holt C

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传统上认为细胞体是轴突蛋白的唯一来源。然而,最近积累的重要证据支持这样一种观点,即蛋白质合成可以发生在远离细胞体的轴突本身。事实上,轴突中的局部翻译可能是无脊椎动物轴突中的突触发生、长期促进和记忆储存的组成部分,并且对于发育中的脊椎动物轴突中响应于环境刺激的生长锥导航是不可或缺的。在这里,我们回顾了支持轴突中mRNA翻译的证据,并讨论了局部蛋白质合成在发育和随后的神经元功能中可能发挥的潜在作用。我们认为,本地翻译提供了一个快速供应的新生蛋白质在有限的轴突隔室,可以潜在的基础长期反应的瞬态刺激。
The cell body has classically been considered the exclusive source of axonal proteins. However, significant evidence has accumulated recently to support the view that protein synthesis can occur in axons themselves, remote from the cell body. Indeed, local translation in axons may be integral to aspects of synaptogenesis, long-term facilitation, and memory storage in invertebrate axons, and for growth cone navigation in response to environmental stimuli in developing vertebrate axons. Here we review the evidence supporting mRNA translation in axons and discuss the potential roles that local protein synthesis may play during development and subsequent neuronal function. We advance the view that local translation provides a rapid supply of nascent proteins in restricted axonal compartments that can potentially underlie long-term responses to transient stimuli.
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