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Related Experiment Videos

Synaptic, Mitochondrial, and Lysosomal Dysfunction in Parkinson's Disease.

Maria Nguyen1, Yvette C Wong1, Daniel Ysselstein1

  • 1Ken and Ruth Davee Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.

Trends in Neurosciences
|December 5, 2018
PubMed
Summary

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Genetic Parkinson's disease (PD) links synaptic vesicle endocytosis (SVE) dysfunction to neuron vulnerability. This highlights the interplay between synaptic, mitochondrial, and lysosomal pathways in PD pathogenesis.

Area of Science:

  • Neuroscience
  • Genetics
  • Cell Biology

Background:

  • Genetic Parkinson's disease (PD) discoveries emphasize autophagy/lysosomal and mitochondrial/oxidative stress pathways.
  • Emerging evidence links PD pathogenesis to disruptions in synaptic vesicle endocytosis (SVE).

Purpose of the Study:

  • To discuss the role of dysfunctional SVE in the selective vulnerability of midbrain dopaminergic neurons in PD.
  • To highlight the interplay between synaptic, mitochondrial, and lysosomal dysfunction in PD pathogenesis.

Main Methods:

  • Literature review of recent research on PD-associated genes.
  • Analysis of the contribution of dysfunctional synaptic vesicle endocytosis (SVE) to PD.
  • Exploration of the interplay between synaptic, mitochondrial, and lysosomal pathways.
Keywords:
Parkinson’s diseasegeneticsoxidized dopaminesynaptic vesicle endocytosisαSynuclein

Related Experiment Videos

Main Results:

  • PD-linked genes like DNAJC6, SYNJ1, and SH3GL2 implicate SVE dysfunction in PD.
  • Genes such as LRRK2, PRKN, and VPS35 are increasingly recognized for their roles in regulating SVE.
  • Dysfunctional SVE contributes to the selective vulnerability of midbrain dopaminergic neurons.

Conclusions:

  • Synaptic vesicle endocytosis (SVE) is a significant pathway in Parkinson's disease pathogenesis.
  • The interplay of synaptic, mitochondrial, and lysosomal dysfunction is crucial in PD.
  • Understanding these pathways offers insights into PD mechanisms and potential therapeutic targets.