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The glial marker YKL-40 is decreased in synucleinopathies.
MedLine Citation:
PMID:  23847144     Owner:  NLM     Status:  Publisher    
BACKGROUND: Microglia are resident immunosurveillant cells in the central nervous system, and astrocytes are important for blood flow, plasticity, and neurotransmitter regulation. The aim of this study was to investigate whether astrocyte and microglial activation, estimated through markers in cerebrospinal fluid and serum, differed between synucleinopathies, tauopathies, and controls.
METHODS: We analyzed the glial activation markers YKL-40 and soluble CD14 in serum and cerebrospinal fluid from 37 controls, 50 patients with Parkinson's disease (PD), and 79 P+ patients (those with progressive supranuclear palsy, corticobasal degeneration, and multiple system atrophy).
RESULTS: Cerebrospinal fluid levels of YKL-40 were decreased significantly in patients who had PD compared with controls (P < 0.05), patients who had multiple system atrophy (P < 0.01), and patients who had tauopathies (P < 0.0001). In addition, cerebrospinal fluid levels of YKL-40 were significantly lower in patients who had synucleinopathies than in those who had tauopathies (P < 0.0001).
CONCLUSIONS: The decreased cerebrospinal fluid levels of YKL-40 suggest that glial activation is reduced in the brains of patients who have Parkinson's disease and synucleinopathies compared with patients who have tauopathies and controls. © 2013 Movement Disorder Society.
Bob Olsson; Radu Constantinescu; Björn Holmberg; Niels Andreasen; Kaj Blennow; Henrik Zetterberg
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-7-11
Journal Detail:
Title:  Movement disorders : official journal of the Movement Disorder Society     Volume:  -     ISSN:  1531-8257     ISO Abbreviation:  Mov. Disord.     Publication Date:  2013 Jul 
Date Detail:
Created Date:  2013-7-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8610688     Medline TA:  Mov Disord     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2013 Movement Disorder Society.
Department of Psychiatry and Neurochemistry, the Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden.
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