001     151071
005     20230915093949.0
024 7 _ |a 2753-0477
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024 7 _ |a 10.1136/jnnp-2019-322476
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024 7 _ |a 0022-3050
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024 7 _ |a 0266-8637
|2 ISSN
024 7 _ |a 0368-329X
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024 7 _ |a 1468-330X
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037 _ _ |a DZNE-2020-01056
041 _ _ |a English
082 _ _ |a 610
100 1 _ |a Barschke, Peggy
|b 0
245 _ _ |a Different CSF protein profiles in amyotrophic lateral sclerosis and frontotemporal dementia with C9orf72 hexanucleotide repeat expansion
260 _ _ |a London
|c 2020
|b BMJ Publishing Group
264 _ 1 |3 online
|2 Crossref
|b BMJ
|c 2020-03-04
264 _ 1 |3 print
|2 Crossref
|b BMJ
|c 2020-05-01
336 7 _ |a article
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336 7 _ |a Journal Article
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|m journal
|0 PUB:(DE-HGF)16
|s 1600430048_31647
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336 7 _ |a ARTICLE
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336 7 _ |a Journal Article
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520 _ _ |a Objectives The hexanucleotide repeat expansion in the C9orf72 gene is the most common mutation associated with amyotrophic lateral sclerosis (C9-ALS) and frontotemporal dementia (C9-FTD). Until now, it is unknown which factors define whether C9orf72 mutation carriers develop ALS or FTD. Our aim was to identify protein biomarker candidates in the cerebrospinal fluid (CSF) which differentiate between C9-ALS and C9-FTD and might be indicative for the outcome of the mutation.Methods We compared the CSF proteome of 16 C9-ALS and 8 C9-FTD patients and 11 asymptomatic C9orf72 mutation carriers (CAR) by isobaric tags for relative and absolute quantitation. Eleven biomarker candidates were selected from the pool of differentially regulated proteins for further validation by multiple reaction monitoring and single-molecule array in a larger cohort (n=156).Results In total, 2095 CSF proteins were identified and 236 proteins were significantly different in C9-ALS versus C9-FTD including neurofilament medium polypeptide (NEFM) and chitotriosidase-1 (CHIT1). Eight candidates were successfully validated including significantly increased ubiquitin carboxyl-terminal hydrolase isozyme L1 (UCHL1) levels in C9-ALS compared with C9-FTD and controls and decreased neuronal pentraxin receptor (NPTXR) levels in C9-FTD versus CAR.Conclusions This study presents a deep proteomic CSF analysis of C9-ALS versus C9-FTD patients. As a proof of concept, we observed higher NEFM and CHIT1 CSF levels in C9-ALS. In addition, we also show clear upregulation of UCHL1 in C9-ALS and downregulation of NPTXR in C9-FTD. Significant differences in UCHL1 CSF levels may explain diverging ubiquitination and autophagy processes and NPTXR levels might reflect different synapses organisation processes.
536 _ _ |a 344 - Clinical and Health Care Research (POF3-344)
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588 _ _ |a Dataset connected to CrossRef
650 _ 2 |a Adult
|2 MeSH
650 _ 2 |a Aged
|2 MeSH
650 _ 2 |a Amyotrophic Lateral Sclerosis: cerebrospinal fluid
|2 MeSH
650 _ 2 |a Amyotrophic Lateral Sclerosis: genetics
|2 MeSH
650 _ 2 |a Biomarkers: cerebrospinal fluid
|2 MeSH
650 _ 2 |a C9orf72 Protein: genetics
|2 MeSH
650 _ 2 |a DNA Repeat Expansion: genetics
|2 MeSH
650 _ 2 |a Female
|2 MeSH
650 _ 2 |a Frontotemporal Dementia: cerebrospinal fluid
|2 MeSH
650 _ 2 |a Frontotemporal Dementia: genetics
|2 MeSH
650 _ 2 |a Hexosaminidases: cerebrospinal fluid
|2 MeSH
650 _ 2 |a Humans
|2 MeSH
650 _ 2 |a Male
|2 MeSH
650 _ 2 |a Middle Aged
|2 MeSH
650 _ 2 |a Neurofilament Proteins: cerebrospinal fluid
|2 MeSH
650 _ 2 |a Proteome: analysis
|2 MeSH
650 _ 2 |a Single Molecule Imaging
|2 MeSH
700 1 _ |a Oeckl, Patrick
|b 1
700 1 _ |a Steinacker, Petra
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700 1 _ |a Al Shweiki, MHD Rami
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700 1 _ |a Weishaupt, Jochen H
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700 1 _ |a Landwehrmeyer, G Bernhard
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700 1 _ |a Anderl-Straub, Sarah
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700 1 _ |a Weydt, Patrick
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700 1 _ |a Diehl-Schmid, Janine
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700 1 _ |a Danek, Adrian
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700 1 _ |a Kornhuber, Johannes
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700 1 _ |a Schroeter, Matthias L
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700 1 _ |a Prudlo, Johannes
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700 1 _ |a Jahn, Holger
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700 1 _ |a Fassbender, Klaus
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700 1 _ |a Lauer, Martin
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700 1 _ |a van der Ende, Emma Louise
|0 0000-0003-2570-8796
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700 1 _ |a van Swieten, John Cornelis
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700 1 _ |a Volk, Alexander E
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700 1 _ |a Ludolph, Albert C
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700 1 _ |a Otto, Markus
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773 1 8 |a 10.1136/jnnp-2019-322476
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|t Journal of Neurology, Neurosurgery & Psychiatry
|v 91
|y 2020
|x 0022-3050
773 _ _ |a 10.1136/jnnp-2019-322476
|g Vol. 91, no. 5, p. 503 - 511
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|p 503-511
|t Journal of neurology, neurosurgery, and psychiatry
|v 91
|y 2020
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856 4 _ |u https://jnnp.bmj.com/content/91/5/503
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LibraryCollectionCLSMajorCLSMinorLanguageAuthor
Marc 21