Multiplex assessment of cerebrospinal fluid biomarkers in multiple sclerosis

Multiple Sclerosis and Related Disorders
Mie Reith MahlerFinn Sellebjerg

Abstract

Several roles for biomarkers in multiple sclerosis (MS) exist, including aiding in the diagnosis of MS, predicting disease activity or progression, and defining individuals who may be responsive to specific treatments. Cerebrospinal fluid (CSF) concentrations of soluble B cell maturation antigen (sBCMA) and soluble CD27 (sCD27) have been shown to be sensitive biomarkers of inflammation in MS and are thought to reflect B and T cell activity, respectively. Furthermore, chitinase 3-like 1 (CHI3L1) and soluble CD14 (sCD14) have been suggested as measures of innate immune cell activity in MS. In this study we sought to validate measurements of these CSF biomarkers of inflammation using multiplex bead-based immunoassays. By using commercially available multiplex bead-based assays, concentrations of sBCMA, sCD27, sCD14 and CHI3L1 were determined in CSF from 22 patients with either untreated clinically isolated syndromes (CIS) or relapsing-remitting MS (RRMS), 13 patients with RRMS treated with either natalizumab or alemtuzumab, and 35 symptomatic controls (SC). Increased CSF concentrations of sBCMA, sCD27 and CHI3L1 were observed in untreated MS patients compared to symptomatic controls (all p < 0.001). Concentrations of sBCMA (p = 0....Continue Reading

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Aug 26, 2021·Neurology. Neuroimmunology and Neuroinflammation·Helene Højsgaard ChowFinn Sellebjerg

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