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Phenotypic Profiling of Human Stem Cell-Derived Midbrain Dopaminergic Neurons
Published on: July 7, 2023
Proteomics in human Parkinson's disease research.
Virginie Licker1, Enikö Kövari, Denis F Hochstrasser
1Neuroproteomics Group, University Medical Center, Faculty of Medicine, University of Geneva, Switzerland.
Journal of Proteomics
|July 28, 2009
Summary
Parkinson's disease research needs new hypotheses. Proteomics may reveal that Parkinson's involves abnormal processing of multiple brain proteins, not just alpha-synuclein.
Area of Science:
- Neuroscience
- Proteomics
- Neurodegenerative Diseases
Background:
- Despite advances, Parkinson's disease (PD) etiology and molecular events remain unclear.
- Key research needs include understanding susceptibility, progression, and identifying biomarkers.
- Current hypotheses involve genetic/environmental factors, oxidative stress, mitochondrial dysfunction, and inflammation.
Purpose of the Study:
- To review proteomics applications in Parkinson's disease research.
- To emphasize the role of abnormal protein processing in sporadic PD pathogenesis.
- To propose a proteinopathy model involving multiple neuronal proteins.
Main Methods:
- Literature review of proteomics studies in Parkinson's disease.
- Focus on pathogenesis of sporadic Parkinson's disease in humans.
- Discussion of pre-analytical and analytical proteomics developments.
Main Results:
- Abnormal processing of alpha-synuclein is a key mechanism in PD.
- Proteomic strategies are valuable for PD research.
- Emerging data suggests PD may involve multiple protein abnormalities.
Conclusions:
- Parkinson's disease might be a brain proteinopathy with abnormal processing of several neuronal proteins.
- This proteinopathy can be acquired or genetically determined.
- Advancements in proteomics can help verify this broader proteinopathy concept.
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