期刊
CLINICA CHIMICA ACTA
卷 469, 期 -, 页码 144-149出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cca.2017.03.006
关键词
Biomarker; Cerebrospinal fluid; Cutoff; Interleuldn-6; Neuromyelitis optica
资金
- Grants-in-Aid for Scientific Research [16K09691] Funding Source: KAKEN
Background: Elevation of cerebrospinal fluid (CSF) interleukin (IL)-6 has been reported in various neurological disorders but has never been systematically analyzed. Our main objectives are to compare the CSF IL-6 levels among various neurological disorders and to evaluate the significance of CSF IL-6 measurements for the diagnosis of neuromyelitis optica (NMO). Methods: We retrospectively investigated the IL-6 levels of 572 consecutive CSF samples in patients with various neurological disorders. Additionally, the associations between clinical manifestations in NMO patients and CSF IL-6 levels were closely investigated. Results: Among the neurological disorders, patients with NMO had the highest CSF IL-6 level. Receiver operating characteristic analysis found the optimal cutoff CSF IL-6 value for diagnosing NMO as 7.8 pg/ml, and the sensitivity and specificity were 0.7317 and 0.7694, respectively. In NMO, CSF IL-6 levels were correlated with the length of the spinal cord lesion and anti-aquaporin-4 antibody-positivity and decreased after treatment. Conclusion: CSF IL-6 can be high in various inflammatory and non-inflammatory CNS disorders, but its upregulation appears to be the most remarkable in NMO. (C) 2017 Elsevier B.V. All rights reserved.
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