Cerebrospinal fluid biomarkers of neuropathologically diagnosed Parkinson's disease subjects.

Abstract:

OBJECTIVES:Parkinson's disease (PD) afflicts approximately 1-2% of the population over 50 years of age. No cures or effective modifying treatments exist and clinical diagnosis is currently confounded by a lack of definitive biomarkers. We sought to discover potential biomarkers in the cerebrospinal fluid (CSF) of neuropathologically confirmed PD cases. METHODS:We compared postmortem ventricular CSF (V-CSF) from PD and normal control (NC) subjects using two-dimensional difference gel electrophoresis (2D-DIGE). Spots exhibiting a 1·5-fold or greater difference in volume between PD patients and controls were excised from the two-dimensional gels, subjected to tryptic digestion and identification of peptides assigned using mass spectrometric/data bank correlation methods. RESULTS:Employing this strategy six molecules: fibrinogen, transthyretin, apolipoprotein E, clusterin, apolipoprotein A-1, and glutathione-S-transferase-Pi, were found to be different between PD and NC populations. DISCUSSION:These molecules have been implicated in PD pathogenesis. Combining biomarker data from multiple laboratories may create a consensus panel of proteins that may serve as a diagnostic tool for this neurodegenerative disorder.

journal_name

Neurol Res

journal_title

Neurological research

authors

Maarouf CL,Beach TG,Adler CH,Shill HA,Sabbagh MN,Wu T,Walker DG,Kokjohn TA,Roher AE,Arizona PD Consortium.

doi

10.1179/1743132812Y.0000000063

subject

Has Abstract

pub_date

2012-09-01 00:00:00

pages

669-76

issue

7

eissn

0161-6412

issn

1743-1328

journal_volume

34

pub_type

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