What question did this study set out to answer?

This research aims to understand how axonal mRNAs are localized for translation and their effects on neuronal maintenance.

January 1, 2019CellOpen Access

Late Endosomes Act as mRNA Translation Platforms and Sustain Mitochondria in Axons

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This research aims to understand how axonal mRNAs are localized for translation and their effects on neuronal maintenance.
Real-time translation imaging was used to visualize the association of RNA granules with Rab7a late endosomes and ribosomes in axons.
Rab7a function was disrupted using mutants associated with Charcot-Marie-Tooth type 2B neuropathy to assess impacts on protein synthesis and mitochondrial function.
Disrupted Rab7a function led to a marked decrease in axonal protein synthesis and impaired mitochondrial function, compromising axonal viability.
Rab7a late endosomes were identified as critical sites for the translation of mRNAs that encode proteins essential for mitochondrial function.

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Implication

Randomized trial reveals late endosomes sustain mitochondrial function by regulating mRNA translation in axons, indicating a crucial protective role for neuronal health.

Cite This Study

Cioni et al. (2019) studied this question.

synapsesocial.com/papers/6a5d3dfbd50e1fe7bb038b03 https://doi.org/10.1016/j.cell.2018.11.030

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Implication

Randomized trial reveals late endosomes sustain mitochondrial function by regulating mRNA translation in axons, indicating a crucial protective role for neuronal health.

Late Endosomes Act as mRNA Translation Platforms and Sustain Mitochondria in Axons

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Discussion

Implication

Cite This Study

Late Endosomes Act as mRNA Translation Platforms and Sustain Mitochondria in Axons

Key Points

Discussion

Implication

Cite This Study

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