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      Abnormal α‐synuclein deposits in skin nerves: intra‐ and inter‐laboratory reproducibility

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          Abstract

          Visualization of phosphorylated α-synuclein at serine 129 (p-syn) in skin nerves is a promising test for the in vivo diagnosis of synucleinopathies. Here the aim was to establish the intra- and inter-laboratory reproducibility of measurement of intraneural p-syn immunoreactivity in two laboratories with major expertise (Würzburg and Bologna).

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          A guide to the perplexed on the specificity of antibodies.

          Many investigators are unaware of the potential problems with specificity of antibodies and the need to document antibody characterization meticulously for each antibody that is used. In this review, I consider the principles of antibody action and how they define a set of rules for what information should be obtained by the investigator before using an antibody in a serious scientific investigation.
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            Skin nerve phosphorylated α-synuclein deposits in idiopathic REM sleep behavior disorder.

            To test if phosphorylated α-synuclein (p-α-syn) deposits can be detected by means of skin biopsy in patients with idiopathic REM sleep behavior disorder (iRBD) as a potential early histopathologic marker of impending synucleinopathy.
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              Distinctive distribution of phospho-alpha-synuclein in dermal nerves in multiple system atrophy.

              MSA is characterized by deposition of alpha-synuclein (α-Syn) in oligodendrocytes and central nervous system (CNS) neurons. After recently detecting phospho-α-Syn (p-α-Syn) in dermal nerve fibers of patients with Parkinson's disease (PD), we assessed skin biopsies from patients with MSA to evaluate its potential role as a biomarker.
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                Author and article information

                Journal
                European Journal of Neurology
                Eur J Neurol
                Wiley
                1351-5101
                1468-1331
                September 09 2019
                October 2019
                August 02 2019
                October 2019
                : 26
                : 10
                : 1245-1251
                Affiliations
                [1 ]IRCCS Istituto delle Scienze Neurologiche Bologna Italy
                [2 ]Department of Neurology University Hospital Würzburg WürzburgGermany
                [3 ]Philipps University Marburg Germany
                Article
                10.1111/ene.13939
                30770596
                e7820cf4-e64c-4ef1-82c2-c4ac33737314
                © 2019

                http://onlinelibrary.wiley.com/termsAndConditions#vor

                http://doi.wiley.com/10.1002/tdm_license_1.1

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