期刊
JOURNAL OF NEUROIMMUNOLOGY
卷 218, 期 1-2, 页码 112-115出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jneuroim.2009.10.019
关键词
Multiple sclerosis; Complement; Proteomics
To detect serum biomarkers associated with disease activity in relapsing-remitting multiple sclerosis (MS). We Studied serum low-molecular peptide profiling of MS patients and normal controls comprehensively by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. Serum level of 1741 Da peptide was increased at the time of clinical relapse in patients than in normal controls and returned toward normal during remission. Tandem mass spectrometry analysis revealed that the peptide was a fragment of complement C4 (NGFKSHALQLNNRQI). This fragment peptide could be a possible marker of disease activity. It may reflect complement activation in the pathogenesis of MS. (C) 2009 Elsevier B.V. All rights reserved.
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