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Related Experiment Video

Updated: May 9, 2025

Exogenous Administration of Microsomes-associated Alpha-synuclein Aggregates to Primary Neurons As a Powerful Cell Model of Fibrils Formation
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α-Synuclein condensation in synaptic vesicle function and synucleinopathies.

Dan Li1, Kaien Liu2, Danni Li3

  • 1Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Shanghai Jiao Tong University, Shanghai 200030, China; Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, Shanghai 200240, China.

Trends in Cell Biology
|April 30, 2025
PubMed
Summary
This summary is machine-generated.

Alpha-synuclein (α-syn) interactions with synaptic vesicles (SVs) are vital for normal brain function. Disruptions in these interactions drive neurodegeneration and synaptic dysfunction, offering therapeutic targets.

Keywords:
SNAREsalpha-synucleinphase separationsynaptic vesicles

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Area of Science:

  • Neuroscience
  • Molecular Biology
  • Biochemistry

Background:

  • Alpha-synuclein (α-syn) plays a critical role in synaptic vesicle (SV) function.
  • Liquid-liquid phase separation (LLPS) of α-syn involving SVs is essential for physiological processes.
  • Dysregulation of α-syn-SV interactions is implicated in neurodegenerative diseases.

Purpose of the Study:

  • To review the functional interactions between α-syn and SVs in physiological and pathological states.
  • To explore the role of α-syn condensation in synaptic function and dysfunction.
  • To discuss therapeutic strategies targeting α-syn-SV interactions.

Main Methods:

  • Literature review of studies on α-synuclein and synaptic vesicles.
  • Analysis of research on liquid-liquid phase separation (LLPS) of α-syn.
  • Examination of pathological mechanisms in neurodegeneration.

Main Results:

  • α-syn's condensation state influences its interaction with SVs.
  • Pathological conditions disrupt α-syn-SV interactions, leading to aggregation and synaptic dysfunction.
  • Targeting α-syn-SV interactions shows therapeutic potential.

Conclusions:

  • α-syn has a dual role: regulating SVs physiologically and driving neurodegeneration pathologically.
  • Understanding α-syn-SV dynamics is key to developing treatments for neurodegenerative disorders.
  • Modulating α-syn-SV interactions may restore synaptic function.