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001049996 1001_ $$0P:(DE-HGF)0$$aVieregge, Magdalena$$b0$$eFirst author
001049996 245__ $$aDermal Alpha‐Synuclein Aggregation in Seed Amplification Assays for Parkinson's Disease Subtype Differentiation
001049996 260__ $$aOxford [u.a.]$$bWiley-Blackwell$$c2025
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001049996 500__ $$aThis work was supported by German Federal Ministry of Education and Research (BMBF). We thank Andrea Sauer-Weckertand Antonia Kohl for expert technicalassistance. Kathrin Doppler is supported by grants from theInterdisciplinary Center of Clinical Research of the University HospitalWürzburg and by the German Research Foundation as a member of theClinical Research Unit ResolvePain. Brain lysates were kindly providedby Camelia Monoranu. Michael Sommerauer receives funding from theprogram “Netzwerke 2021”, an initiative of the Ministry of Culture andScience of the State of Northrhine-Westphalia,and from the FederalMinistry of Education and Research (BMBF) within the frameworkof the funding programme ACCENT (funding code 01EO2107). OpenAccess funding enabled and organized by Projekt DEAL.
001049996 520__ $$aSkin biopsies and seed amplification assays (SAA) provide a sensitive and potentially quantitative method to detect alpha‐synuclein (a‐syn) aggregation in peripheral nerve fibers in Parkinson's disease (PD). Relating to the previously published hypothesis that PD may either originate in the peripheral (body‐first) or central (brain‐first) nervous system, we investigated whether patients with clinical features that have been reported to be associated with a suspected body‐first subtype of PD exhibit higher levels of a‐syn aggregation in dermal nerve fibers compared to those without these features. Patients with isolated REM sleep behavior disorder (iRBD) representing a suspected premotor stage of body‐first PD were studied in comparison to the PD cohort.MethodsPatients were categorized on the basis of clinical features, and SAA parameters such as lag time, number of positive curves, and titers were analyzed and correlated with clinical features.ResultsAlthough patients with clinical features of suspected body‐first PD showed slightly higher titers, significant differences were mainly observed between iRBD patients and PD patients.
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001049996 7001_ $$0P:(DE-HGF)0$$aKuzkina, Anastasia$$b1
001049996 7001_ $$0P:(DE-HGF)0$$aJanzen, Annette$$b2
001049996 7001_ $$0P:(DE-HGF)0$$aOertel, Wolfgang H.$$b3
001049996 7001_ $$0P:(DE-Juel1)179044$$aSommerauer, Michael$$b4
001049996 7001_ $$0P:(DE-HGF)0$$aVolkmann, Jens$$b5
001049996 7001_ $$00000-0003-2883-0009$$aDoppler, Kathrin$$b6$$eCorresponding author
001049996 773__ $$0PERI:(DE-600)2020241-6$$a10.1111/ene.70453$$gVol. 32, no. 12, p. e70453$$n12$$pe70453$$tEuropean journal of neurology$$v32$$x1351-5101$$y2025
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