Analysis of Mitochondrial Dynamics in Adult Drosophila Axons.

Analysis of Mitochondrial Dynamics in Adult Drosophila Axons.
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成年果蝇轴突线粒体动力学分析。

DOI:
10.1101/pdb.top107819
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发表时间:
2023
影响因子:
--
通讯作者:
Maddison DC
Maddison DC
中科院分区:
--
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--
作者:
Maddison DC

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神经元的存活取决于不断变化的线粒体网络产生的ATP。这需要在受损线粒体的持续降解、新线粒体的生物发生、沿沿着微管的运动、动态过程和足够的功能能力之间保持良好的平衡,以满足放电需求。线粒体的分布需要在整个神经元中受到严格控制,包括其投射。与细胞索马的大小相比,轴突尤其是巨大的结构,线粒体如何维持在这些隔室中的定义很差。神经元中的线粒体功能障碍与衰老和神经退行性疾病相关,轴突优先易受破坏。果蝇提供了一种独特的方式来研究这些细胞器在体内完全分化的成年神经元。在这里,我们简要地回顾了神经元线粒体在健康,衰老和疾病的调节,并介绍了两种方法的方法来研究线粒体的动力学和运输轴突使用果蝇翅膀系统。
Neuronal survival depends on the generation of ATP from an ever-changing mitochondrial network. This requires a fine balance between the constant degradation of damaged mitochondria, biogenesis of new mitochondria, movement along microtubules, dynamic processes, and adequate functional capacity to meet firing demands. The distribution of mitochondria needs to be tightly controlled throughout the entire neuron, including its projections. Axons in particular can be enormous structures compared to the size of the cell soma, and how mitochondria are maintained in these compartments is poorly defined. Mitochondrial dysfunction in neurons is associated with aging and neurodegenerative diseases, with the axon being preferentially vulnerable to destruction. Drosophila offer a unique way to study these organelles in fully differentiated adult neurons in vivo. Here, we briefly review the regulation of neuronal mitochondria in health, aging, and disease and introduce two methodological approaches to study mitochondrial dynamics and transport in axons using the Drosophila wing system.
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