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Highly sensitive quantification of optic neuritis intrathecal biomarker CXCL13

•Highly sensitive CXCL13 assay (Simoa) has higher accuracy than conventional ELISA.•Simoa assay facilitates early diagnosis of optic neuritis.•Intrathecal CXCL13 predicts development of MS in patients with acute optic neuritis. Elevation of CXCL13, a key regulator of B-cell recruitment in cerebrospi...

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Published in:Multiple sclerosis and related disorders 2020-09, Vol.44, p.102281-102281, Article 102281
Main Authors: Olesen, M.N., Nilsson, A.C., Pihl-Jensen, G., Soelberg, K.K., Olsen, D.A., Brandslund, I., Lillevang, S.T., Madsen, J.S., Frederiksen, J.L., Asgari, N.
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Language:English
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Summary:•Highly sensitive CXCL13 assay (Simoa) has higher accuracy than conventional ELISA.•Simoa assay facilitates early diagnosis of optic neuritis.•Intrathecal CXCL13 predicts development of MS in patients with acute optic neuritis. Elevation of CXCL13, a key regulator of B-cell recruitment in cerebrospinal fluid (CSF) is implicated in multiple sclerosis (MS). to evaluate if measurement of CXCL13 using a highly sensitive assay is of value in acute optic neuritis (ON) patients for the prediction of later MS. CXCL13 was measured by Simoa in two independent treatment-naïve ON cohorts, a training cohort (TC, n = 33) originating from a population-based cohort, a validation cohort (VC, n = 30) consecutively collected following principles for population studies. Prospectively, 14/33 TC and 12/30 VC patients progressed to MS (MS-ON) while 19/33 TC and 18/30 VC patients, remained as isolated ON (ION). CXCL13 was detectable in all samples and were higher in ON compared with healthy controls (HC) (p = 0.012). In the TC, CSF levels in MS-ON were higher compared with ION patients and HC (p = 0.0001 and p
ISSN:2211-0348
2211-0356
DOI:10.1016/j.msard.2020.102281