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  • Title: Multiple sclerosis: Identification and clinical evaluation of novel CSF biomarkers.
    Author: Ottervald J, Franzén B, Nilsson K, Andersson LI, Khademi M, Eriksson B, Kjellström S, Marko-Varga G, Végvári A, Harris RA, Laurell T, Miliotis T, Matusevicius D, Salter H, Ferm M, Olsson T.
    Journal: J Proteomics; 2010 Apr 18; 73(6):1117-32. PubMed ID: 20093204.
    Abstract:
    Multiple sclerosis (MS) is a neuro-inflammatory and neurodegenerative disease that results in damage to myelin sheaths and axons in the central nervous system and which preferentially affects young adults. We performed a proteomics-based biomarker discovery study in which cerebrospinal fluid (CSF) from MS and control individuals was analyzed (n=112). Ten candidate biomarkers were selected for evaluation by quantitative immunoassay using an independent cohort of MS and control subjects (n=209). In relapsing-remitting MS (RRMS) patients there were significant increases in the CSF levels of alpha-1 antichymotrypsin (A1AC), alpha-1 macroglobulin (A2MG) and fibulin 1 as compared to control subjects. In secondary progressive MS (SPMS) four additional proteins (contactin 1, fetuin A, vitamin D binding protein and angiotensinogen (ANGT)) were increased as compared to control subjects. In particular, ANGT was increased 3-fold in SPMS, indicating a potential as biomarker of disease progression in MS. In PPMS, A1AC and A2MG exhibit significantly higher CSF levels than controls, with a trend of increase for ANGT. Classification models based on the biomarker panel could identify 70% of the RRMS and 80% of the SPMS patients correctly. Further evaluation was conducted in a pilot study of CSF from RRMS patients (n=36), before and after treatment with natalizumab.
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