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The role of microglial autophagy in Parkinson's disease

Rui Zhu1,2, Yuyi Luo1,2, Shangang Li1,2

  • 1State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, China.

Frontiers in Aging Neuroscience
|November 17, 2022
PubMed

Insights

Parkinson's disease (PD) involves abnormal alpha-synuclein accumulation, activating microglia. This review explores how microglial autophagy impacts PD, suggesting it as a potential therapeutic target.

Area of Science:

  • Neuroscience
  • Immunology

Background:

  • Parkinson's disease (PD) is the second leading neurodegenerative disorder.
  • A hallmark of PD is the abnormal accumulation of alpha-synuclein (α-Syn) in the substantia nigra.
  • This α-Syn accumulation triggers microglial activation, initiating neuroinflammation.

Purpose of the Study:

  • To review microglial autophagy pathways in the context of PD.
  • To explore the role of microglial autophagy in PD pathogenesis.
  • To assess microglial autophagy as a potential therapeutic strategy for PD.

Main Methods:

  • Literature review focusing on microglial autophagy and Parkinson's disease.
  • Analysis of studies investigating α-Syn aggregation and microglial response.
  • Examination of the interplay between autophagy, neuroinflammation, and PD.

Main Results:

  • Microglia, the CNS immune cells, regulate inflammation in PD through autophagy.
  • Abnormalities in microglial autophagy are implicated in PD pathophysiology.
  • The precise mechanisms linking microglial autophagy to PD progression are under active investigation.

Conclusions:

  • Microglial autophagy plays a critical role in the development and progression of Parkinson's disease.
  • Targeting microglial autophagy presents a promising avenue for novel PD therapeutics.
  • Further research is warranted to fully elucidate and exploit this pathway for treatment.
Keywords:
Parkinson’s diseasemicrogliamicroglial autophagymicroglial phagocytosisneuroinflammation

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