Abstract：
:Protein profiling of cerebrospinal fluid in Guillain-Barrè syndrome (GBS), an acute and immune-mediated disease affecting the peripheral nervous system, was performed by two-dimensional electrophoresis. Significant modulated spots in GBS patients vs. control groups (a group of multiple sclerosis patients and one of healthy donors) underwent MALDI-TOF/TOF investigation. Inflammation-related proteins, such as vitamin D-binding protein, beta-2 glycoprotein I (ApoH), and a complement component C3 isoform were up-regulated in GBS, whereas transthyretin (the monomer and the dimer forms), apolipoprotein E, albumin and five of its fragments were down-regulated. Then, we used an isoelectric-focusing-dinitrophenylhydrazine-based technique to analyse the extent of carbonylation and, as a result, of oxidative damage of GBS CSF proteome. We observed a major sensitivity to carbonylation for albumin and alpha-glycoprotein in inflammation and a selective increase of reactivity for a glycosylated Fab from an IgM globulin in GBS CSF. Our results add new proteins to candidate CSF features of GBS, and suggest that oxidative stress could contribute to the immunopathological mechanisms in this syndrome.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
D'Aguanno S,Franciotta D,Lupisella S,Barassi A,Pieragostino D,Lugaresi A,Centonze D,D'Eril GM,Bernardini S,Federici G,Urbani Adoi
10.1016/j.neulet.2010.08.060subject
Has Abstractpub_date
2010-11-12 00:00:00pages
49-54issue
1eissn
0304-3940issn
1872-7972pii
S0304-3940(10)01130-4journal_volume
485pub_type
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