PulseExploreJournal ClubDebatesTrendingResearchersJournals
Instagram
HomeExploreJournal ClubTrending
Synapse
⌘+K
Synapse
December 13, 2025npj Parkinson s Disease0 citationsOpen Access

α-synuclein Accumulation Linked to Early Synaptic Dysfunction in Parkinson's Disease

Optogenetic-induced α-synuclein accumulation reveals early synaptic dysfunction in experimental models of Parkinson’s disease

View Full Paper
Ask AI
Bookmark
Share

Authors

RRRaquel Rodríguez-AllerBRBeatriz Romero-QuinecheMMMarc Morissette

Discussion

Loading...

Member takes

Overview

Experimental models reveal synaptic dysfunction related to α-synuclein accumulation in Parkinson's disease, suggesting novel molecular mechanisms.

Key Points

  • This research aims to explore the link between α-synuclein accumulation and early synaptic dysfunction in Parkinson's disease.
  • Utilized the Light-Inducible Protein Aggregation (LIPA) system in vivo
  • Examined effects on human dopaminergic neurons
  • Analyzed nigrostriatal axonal transport and presynaptic α-syn accumulation
  • Conducted histological and metabolite analyses to assess neuronal activity
  • Presynaptic accumulation of α-syn altered activity in various striatal neuronal populations
  • Increased size and density of dopaminergic synapses observed
  • Disruption of striatal dopamine signaling identified
  • Revealed early presynaptic impairments linked to α-syn in dopaminergic terminals

Cite This Study

Rodríguez-Aller et al. (2025) studied this question.

synapsesocial.com/papers/6941aaa70f5af7fd17df4bdehttps://doi.org/10.1038/s41531-025-01201-x
View Full Paper
Ask AI
Bookmark
Share