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1.	Førland, Marthe Gurine, et al. (författare) Evolution of cerebrospinal fluid total α-synuclein in Parkinson's disease. 2018 Ingår i: Parkinsonism & related disorders. - : Elsevier BV. - 1873-5126 .- 1353-8020. ; 49, s. 4-8 Tidskriftsartikel (refereegranskat)abstract Cerebrospinal fluid (CSF) total α-synuclein is considered a potential biomarker for Parkinson's disease (PD), but little is known about the evolution of this marker during the course of the disease. Our objective was to investigate whether CSF total α-synuclein concentrations change over time and are associated with motor and cognitive function in PD.CSF total α-synuclein concentrations were quantified in 56 longitudinally followed PD patients, 27 of whom provided CSF repeatedly 2 and/or 4 years later. Another 18 subjects were included as controls. The samples were analyzed using two independent, validated ELISA methods: our recently developed and validated in-house ELISA and a commercial kit from BioLegend.CSF total α-synuclein levels did not distinguish PD patients from controls, displayed no substantial changes during a period of up to 4 years, and did not predict subsequent motor or cognitive decline. These findings were consistent for both analytical methods.Our findings do not support the clinical utility of total α-synuclein as a single diagnostic or prognostic biomarker in PD.

Førland, Marthe Gurine, et al. (författare)
Evolution of cerebrospinal fluid total α-synuclein in Parkinson's disease.
2018
Ingår i: Parkinsonism & related disorders. - : Elsevier BV. - 1873-5126 .- 1353-8020. ; 49, s. 4-8
Tidskriftsartikel (refereegranskat)abstract
- Cerebrospinal fluid (CSF) total α-synuclein is considered a potential biomarker for Parkinson's disease (PD), but little is known about the evolution of this marker during the course of the disease. Our objective was to investigate whether CSF total α-synuclein concentrations change over time and are associated with motor and cognitive function in PD.CSF total α-synuclein concentrations were quantified in 56 longitudinally followed PD patients, 27 of whom provided CSF repeatedly 2 and/or 4 years later. Another 18 subjects were included as controls. The samples were analyzed using two independent, validated ELISA methods: our recently developed and validated in-house ELISA and a commercial kit from BioLegend.CSF total α-synuclein levels did not distinguish PD patients from controls, displayed no substantial changes during a period of up to 4 years, and did not predict subsequent motor or cognitive decline. These findings were consistent for both analytical methods.Our findings do not support the clinical utility of total α-synuclein as a single diagnostic or prognostic biomarker in PD.

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