Mitochondrial trafficking and anchoring in neurons: New insight and implications.

Mitochondrial trafficking and anchoring in neurons: New insight and implications.
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DOI:
10.1083/jcb.201312123
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发表时间:
2014-03-31
期刊:
The Journal of cell biology
影响因子:
--
通讯作者:
Sheng ZH
Sheng ZH
中科院分区:
其他
文献类型:
--
作者:
Sheng ZH

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线粒体是神经元生长、存活和功能所必需的细胞器。神经元使用专门的机制来驱动线粒体运输并将它们锚在轴突和突触上。静止的线粒体缓冲细胞内Ca2+,并通过提供ATP作为局部能量来源。运动和静止线粒体之间的平衡对轴突和突触生理学的变化迅速作出反应。线粒体转运缺陷与几种主要神经系统疾病的发病机制有关。最近的工作提供了新的见解微管为基础的线粒体运输和锚定的调节,以及线粒体运动如何影响神经元的生长,突触功能和线粒体自噬。
Mitochondria are essential organelles for neuronal growth, survival, and function. Neurons use specialized mechanisms to drive mitochondria transport and to anchor them in axons and at synapses. Stationary mitochondria buffer intracellular Ca2+ and serve as a local energy source by supplying ATP. The balance between motile and stationary mitochondria responds quickly to changes in axonal and synaptic physiology. Defects in mitochondrial transport are implicated in the pathogenesis of several major neurological disorders. Recent work has provided new insight in the regulation of microtubule-based mitochondrial trafficking and anchoring, and on how mitochondrial motility influences neuron growth, synaptic function, and mitophagy.
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