Lack of Cerebrospinal Fluid α-Synuclein Seeding in VPS35 D620N- and LRRK2 Y1699C-Linked Parkinson's Disease - PubMed
4 hours ago
- #genetic mutations
- #Parkinson's disease
- #alpha-synuclein
- The study found no α-synuclein seeding activity in cerebrospinal fluid from patients with VPS35 D620N- and LRRK2 Y1699C-linked Parkinson's disease.
- Research used seed amplification assays (SAA) to detect misfolded α-synuclein, a biomarker for synucleinopathies like Parkinson's.
- Findings suggest these specific genetic forms of Parkinson's may not involve α-synuclein aggregation detectable by current SAA methods.
- Implications include potential differences in pathology compared to sporadic Parkinson's, affecting biomarker development and disease classification.
- Study highlights the role of genetic mutations (VPS35 D620N, LRRK2 Y1699C) in monogenic Parkinson's and their impact on α-synuclein biology.