期刊
MULTIPLE SCLEROSIS JOURNAL
卷 20, 期 1, 页码 35-42出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1352458513491166
关键词
Multiple sclerosis; immunology; clinically isolated syndrome; cerebrospinal fluid; biological markers; interleukin-12 subunit p40
资金
- Israeli Ministry of Health, Chief Scientist Office [3-00000-6632]
Background: The cerebrospinal (CSF) constitutes a specific immune micro-environment to the central nervous system, thus it may contain specific biomarkers involved in the pathogenesis of multiple sclerosis (MS). Objectives: We aimed to study a large array of inflammatory CSF biomarkers in patients with suspected MS to recognize potential early diagnostic markers. Methods: CSF samples were obtained from 115 patients who presented with neurological symptomatology suggestive of MS as follows: clinically isolated syndrome (CIS) = 49, relapsing-remitting multiple sclerosis (RRMS) = 29, and other neurologic disorders (OND) = 37. Protein expression profiles of 30 inflammatory biomarkers were measured by multiplex Luminex bead assay and further analyzed by group comparison statistics, correlation studies and receiver-operating characteristic (ROC) analysis. Results: Interleukin-12 subunit p40 (IL12p40) demonstrated a significant differential expression pattern between the groups (CIS vs OND: p = 1.17*10(-7); RRMS vs OND: p = 4.98*10(-5)), with higher levels in CIS and RRMS patients. ROC analysis demonstrated excellent diagnostic performance of IL12p40 for discrimination between CIS and OND patients (area under the curve = 0.87 (95% CI 0.78-0.93), p = 0.0001). No associations were found with disease activity or severity measures. Conclusions: An increased IL12p40 level characterizes the CSF of MS patients and appears to be helpful in identifying CIS and OND patients early in the process of clinical diagnostic assessment.
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