Journal
OXIDATIVE MEDICINE AND CELLULAR LONGEVITY
Volume 3, Issue 4, Pages 283-287Publisher
HINDAWI LTD
DOI: 10.4161/oxim.3.4.12809
Keywords
Parkinson's disease; neuroinflammation; alpha-synuclein; amyloid; neurodegeneration
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Funding
- Konkuk University
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Selective loss of neurons, abnormal protein deposition and neuroinflammation are the common pathological features of neurodegenerative diseases, and these features are closely related to one another. In Parkinson's disease, abnormal aggregation and deposition of alpha-synuclein is known as a critical event in pathogenesis of the disease, as well as in other related neurodegenerative disorders, such as dementia with Lewy bodies and multiple system atrophy. Increasing evidence suggests that alpha-synuclein aggregates can activate glial cells to induce neuroinflammation. However, how an inflammatory microenvironment is established and maintained by this protein remains unknown. Findings from our recent study suggest that neuronal alpha-synuclein can be directly transferred to astrocytes through sequential exocytosis and endocytosis and induce inflammatory responses from astrocytes. Here we discuss potential roles of astrocytes in a cascade of events leading to alpha-synuclein-induced neuroinflammation.
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