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α-Synuclein and Parkinsonism: Updates and Future Perspectives
Kaie Rosborough1, Neha Patel1, Lorraine V Kalia2,3,4
1Krembil Research Institute, Toronto Western Hospital, University Health Network, 399 Bathurst Street, Toronto, ON, M5T 2S8, Canada.
Current Neurology and Neuroscience Reports
|March 22, 2017
Summary
Mutations in the SNCA gene cause familial parkinsonism. Research on alpha-synuclein (SNCA) protein aggregation is crucial for understanding Parkinson's disease and related disorders.
Area of Science:
- Neuroscience
- Genetics
- Pathology
Background:
- Mutations in the SNCA gene, encoding alpha-synuclein, are the primary genetic cause of familial parkinsonism with Lewy bodies.
- Six SNCA missense mutations and multiplications are identified as causative for parkinsonism.
- Alpha-synuclein aggregation is a key pathological hallmark in sporadic parkinsonism, including Parkinson's disease, dementia with Lewy bodies, and multiple system atrophy.
Purpose of the Study:
- To review and summarize clinical and neuropathological features of SNCA-related parkinsonism.
- To provide an updated overview of published cases of parkinsonism linked to SNCA mutations.
- To discuss the impact of alpha-synuclein research on understanding Parkinson's disease pathogenesis.
Main Methods:
- Comprehensive literature search for published cases of SNCA-related parkinsonism.
- Analysis of clinical and neuropathological data from identified cases.
- Synthesis of findings to update the understanding of SNCA-related parkinsonism.
Main Results:
- SNCA gene mutations and multiplications are established causes of familial parkinsonism.
- Alpha-synuclein aggregation is central to both familial and sporadic parkinsonian disorders.
- Research into SNCA's role has significantly advanced the understanding of neurodegenerative disease pathology.
Conclusions:
- SNCA-related parkinsonism, though rare, highlights the critical role of alpha-synuclein in neurodegeneration.
- Understanding SNCA's physiological and pathological functions is key to developing treatments for Parkinson's disease and related conditions.
- Continued research into alpha-synuclein is vital for unraveling the complexities of parkinsonism.
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