An impedimetric assay of alpha-synuclein autoantibodies in early stage Parkinson's disease

α-Synuclein (α-Syn), a protein synthesized by neurons, as the major protein component of Lewy body inclusions, undoubtedly has a prominent role in the pathogenesis of Parkinson's Disease (PD). In an attempt to enable pre-symptomatic and definitive diagnosis, numerous attempts have been made to...

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Main Authors: Xu, Q, Evetts, S, Hu, M, Talbot, K, Wade-Martins, R, Davis, J
Format: Journal article
Language:English
Published: Royal Society of Chemistry 2014
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author Xu, Q
Evetts, S
Hu, M
Talbot, K
Wade-Martins, R
Davis, J
author_facet Xu, Q
Evetts, S
Hu, M
Talbot, K
Wade-Martins, R
Davis, J
author_sort Xu, Q
collection OXFORD
description α-Synuclein (α-Syn), a protein synthesized by neurons, as the major protein component of Lewy body inclusions, undoubtedly has a prominent role in the pathogenesis of Parkinson's Disease (PD). In an attempt to enable pre-symptomatic and definitive diagnosis, numerous attempts have been made to align assayed total α-Syn levels in serum (where there is a native presence) to PD disease status. Results have been conflicting. The status of circulating and potentially neuroprotective α-Syn autoantibodies in PD subjects is also unclear. In previous work we demonstrated that electrochemically assayed autoantibody levels were higher in PD patients compared to controls and, significantly, noted that this differentiation was most marked early in disease. Herein we report a robust (coefficient of variation 3.0%) single step and label free analysis of 90 subjects, including 60 PD patients, with a mean disease duration of 1.4 years and 29 control subjects. In this cross sectional cohort we observe a statistically significant (p < 0.05; Mann-Whitney U test) difference in autoantibody levels in PD patients versus controls, although there was no resolved scaling with symptomatic disease stage (p > 0.05; Kruskal-Wallis test).
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spelling oxford-uuid:edeac0dc-14ef-4a8d-9deb-a50ef959a2f92022-03-27T11:28:42ZAn impedimetric assay of alpha-synuclein autoantibodies in early stage Parkinson's diseaseJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:edeac0dc-14ef-4a8d-9deb-a50ef959a2f9EnglishSymplectic Elements at OxfordRoyal Society of Chemistry2014Xu, QEvetts, SHu, MTalbot, KWade-Martins, RDavis, Jα-Synuclein (α-Syn), a protein synthesized by neurons, as the major protein component of Lewy body inclusions, undoubtedly has a prominent role in the pathogenesis of Parkinson's Disease (PD). In an attempt to enable pre-symptomatic and definitive diagnosis, numerous attempts have been made to align assayed total α-Syn levels in serum (where there is a native presence) to PD disease status. Results have been conflicting. The status of circulating and potentially neuroprotective α-Syn autoantibodies in PD subjects is also unclear. In previous work we demonstrated that electrochemically assayed autoantibody levels were higher in PD patients compared to controls and, significantly, noted that this differentiation was most marked early in disease. Herein we report a robust (coefficient of variation 3.0%) single step and label free analysis of 90 subjects, including 60 PD patients, with a mean disease duration of 1.4 years and 29 control subjects. In this cross sectional cohort we observe a statistically significant (p < 0.05; Mann-Whitney U test) difference in autoantibody levels in PD patients versus controls, although there was no resolved scaling with symptomatic disease stage (p > 0.05; Kruskal-Wallis test).
spellingShingle Xu, Q
Evetts, S
Hu, M
Talbot, K
Wade-Martins, R
Davis, J
An impedimetric assay of alpha-synuclein autoantibodies in early stage Parkinson's disease
title An impedimetric assay of alpha-synuclein autoantibodies in early stage Parkinson's disease
title_full An impedimetric assay of alpha-synuclein autoantibodies in early stage Parkinson's disease
title_fullStr An impedimetric assay of alpha-synuclein autoantibodies in early stage Parkinson's disease
title_full_unstemmed An impedimetric assay of alpha-synuclein autoantibodies in early stage Parkinson's disease
title_short An impedimetric assay of alpha-synuclein autoantibodies in early stage Parkinson's disease
title_sort impedimetric assay of alpha synuclein autoantibodies in early stage parkinson s disease
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