Journal article
Feasibility and Safety of Multicenter Tissue and Biofluid Sampling for α-Synuclein in Parkinson's Disease: The Systemic Synuclein Sampling Study (S4)
Journal of Parkinson's disease, Vol.8(4), pp.517-527
2018
DOI: 10.3233/JPD-181434
PMCID: PMC6226302
PMID: 30248065
Abstract
α-synuclein is a lead Parkinson's disease (PD) biomarker. There are conflicting reports regarding accuracy of α-synuclein in different tissues and biofluids as a PD biomarker, and the within-subject anatomical distribution of α-synuclein is not well described. The Systemic Synuclein Sampling Study (S4) aims to address these gaps in knowledge. The S4 is a multicenter, cross-sectional, observational study evaluating α-synuclein in multiple tissues and biofluids in PD and healthy controls (HC).
To describe the baseline characteristics of the S4 cohort and safety and feasibility of this study.
Participants underwent motor and non-motor clinical assessments, dopamine transporter SPECT, biofluid collection (cerebrospinal fluid, saliva, and blood), and tissue biopsies (skin, sigmoid colon, and submandibular gland). Biopsy adequacy was determined based on presence of adequate target tissue. Tissue sections were stained with the 5C12 monoclonal antibody against unmodified α-synuclein. All specimens were acquired and processed in a standardized manner. Adverse events were systematically recorded.
The final cohort consists of 82 participants (61 PD, 21 HC). In 68 subjects (83%), all types of specimens were obtained but only 50 (61%) of subjects had all specimens both collected and evaluable for α-synuclein. Mild adverse events were common, especially for submandibular gland biopsy, but only 1 severe adverse event occurred.
Multicenter tissue and biofluid sampling for α-synuclein is feasible and generally safe. S4 will inform understanding of the concurrent distribution of α-synuclein pathology and biomarkers in biofluids and peripheral nervous system in PD.
Details
- Title: Subtitle
- Feasibility and Safety of Multicenter Tissue and Biofluid Sampling for α-Synuclein in Parkinson's Disease: The Systemic Synuclein Sampling Study (S4)
- Creators
- Lana M Chahine - Department of Neurology, University of Pittsburgh, Pittsburgh, PA, USAThomas G Beach - Civin Laboratory for Neuropathology, Banner Sun Health Research Institute, Sun City, AZ, USANicholas Seedorff - Department of Biostatistics, The University of Iowa, Iowa City, IA, USAChelsea Caspell-Garcia - Department of Biostatistics, The University of Iowa, Iowa City, IA, USAChristopher S Coffey - Department of Biostatistics, The University of Iowa, Iowa City, IA, USAMichael Brumm - Department of Biostatistics, The University of Iowa, Iowa City, IA, USACharles H Adler - Department of Neurology, Mayo Clinic, Scottsdale, AZ, USAGeidy E Serrano - Civin Laboratory for Neuropathology, Banner Sun Health Research Institute, Sun City, AZ, USACarly Linder - Department of Neurology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USASherri Mosovsky - Department of Neurology, University of Pittsburgh, Pittsburgh, PA, USATatiana Foroud - Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, USAHolly Riss - Department of Biostatistics, The University of Iowa, Iowa City, IA, USADixie Ecklund - Department of Biostatistics, The University of Iowa, Iowa City, IA, USAJohn Seibyl - Institute for Neurodegenerative Disorders, New Haven, CT, USADanna Jennings - Denali Therapeutics, San Francisco, CA, USAVanessa Arnedo - The Michael J. Fox Foundation for Parkinson's Research, New York, NY, USALindsey Riley - The Michael J. Fox Foundation for Parkinson's Research, New York, NY, USAK D Dave - The Michael J. Fox Foundation for Parkinson's Research, New York, NY, USABrit Mollenhauer - Paracelsus-Elena-Klinik, Kassel and University Medical Center Goettingen, Goettingen, GermanySystemic sSynuclein Sampling study
- Resource Type
- Journal article
- Publication Details
- Journal of Parkinson's disease, Vol.8(4), pp.517-527
- DOI
- 10.3233/JPD-181434
- PMID
- 30248065
- PMCID
- PMC6226302
- NLM abbreviation
- J Parkinsons Dis
- ISSN
- 1877-7171
- eISSN
- 1877-718X
- Language
- English
- Date published
- 2018
- Academic Unit
- Biostatistics
- Record Identifier
- 9984214853402771
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