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Distinct lysosomal ...
Distinct lysosomal network protein profiles in parkinsonian syndrome cerebrospinal fluid
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- Boman, Andrea (author)
- Linköpings universitet,Avdelningen för cellbiologi,Medicinska fakulteten
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- Svensson, Samuel (author)
- Linköpings universitet,Medicinska fakulteten,Avdelningen för mikrobiologi och molekylär medicin,CBD Solutions, Stockholm, Sweden
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- Boxer, Adam (author)
- Memory and Aging Center, University of California, San Francisco, United States
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- Rojas, Julio C. (author)
- Memory and Aging Center, University of California, San Francisco, United States
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- Seeley, William W. (author)
- Memory and Aging Center, University of California, San Francisco, United States
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- Karydas, Anna (author)
- Memory and Aging Center, University of California, San Francisco, United States
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- Miller, Bruce (author)
- Memory and Aging Center, University of California, San Francisco, United States
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- Kågedal, Katarina (author)
- Linköpings universitet,Avdelningen för cellbiologi,Medicinska fakulteten
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- Svenningsson, Per (author)
- Karolinska Institutet,Translational Neuropharmacology, Department of Clinical Neuroscience, Center for Molecular Medicine, Karolinska Institute, Stockholm, Sweden
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(creator_code:org_t)
- IOS Press, 2016
- 2016
- English.
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In: Journal of Parkinson's Disease. - : IOS Press. - 1877-7171 .- 1877-718X. ; 6:2, s. 307-315
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
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- Introduction: Clinical diagnosis of parkinsonian syndromes like Parkinson’s disease, corticobasal degeneration and progressive supranuclear palsy is hampered by overlapping symptomatology and lack of biomarkers for diagnosis, and definitive diagnosis is only possible post-mortem. Since impaired protein degradation plays an important role in many neurodegenerative disorders, we hypothesized that levels and profiles of lysosomal network proteins in cerebrospinal fluid could be changed in these parkinsonian syndromes.Methods: Cerebrospinal fluid samples were collected from Parkinson’s disease patients (n=18), clinically diagnosed 4-repeat tauopathy patients, corticobasal syndrome (n=6) and progressive supranuclear palsy (n=5), pathologically diagnosed progressive supranuclear palsy (n=8) and corticobasal degeneration patients (n=7). Each patient set was compared to its appropriate control group consisting of the same number of age and gender matched individuals. Lysosomal network protein levels were detected via Western blotting.Results: Lysosomal network proteins have markedly different cerebrospinal fluid protein levels and profiles in Parkinson’s disease, corticobasal degeneration and progressive supranuclear palsy. Lysosomal-associated membrane proteins 1 and 2 were significantly decreased in Parkinson´s disease; early endosomal antigen 1 was decreased and lysozyme increased in progressive supranuclear palsy; and lysosomal-associated membrane proteins 1 and 2, microtubule-associated protein 1 light chain 3 and lysozyme were increased in corticobasal degeneration.Conclusions: Lysosomal network proteins hold promise of being interesting novel candidates for biomarker studies and for elucidating disease mechanisms of Parkinson’s disease, corticobasal degeneration and progressive supranuclear palsy, but further validation studies will be needed to assess the specificity and the predictive value of these proteins in CSF.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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