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Revisiting Alpha-Synuclein Pathways to Inflammation.

Patrícia LyraVanessa MachadoSilvia RotaKallol Ray ChaudhuriJoão BotelhoJosé João Baltazar Mendes
Published in: International journal of molecular sciences (2023)
Alpha-synuclein (α-Syn) is a short presynaptic protein with an active role on synaptic vesicle traffic and the neurotransmitter release and reuptake cycle. The α-Syn pathology intertwines with the formation of Lewy Bodies (multiprotein intraneuronal aggregations), which, combined with inflammatory events, define various α-synucleinopathies, such as Parkinson's Disease (PD). In this review, we summarize the current knowledge on α-Syn mechanistic pathways to inflammation, as well as the eventual role of microbial dysbiosis on α-Syn. Furthermore, we explore the possible influence of inflammatory mitigation on α-Syn. In conclusion, and given the rising burden of neurodegenerative disorders, it is pressing to clarify the pathophysiological processes underlying α-synucleinopathies, in order to consider the mitigation of existing low-grade chronic inflammatory states as a potential pathway toward the management and prevention of such conditions, with the aim of starting to search for concrete clinical recommendations in this particular population.
Keyphrases
  • oxidative stress
  • low grade
  • climate change
  • high grade
  • healthcare
  • air pollution
  • microbial community
  • risk factors
  • parkinson disease