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CXCL13 Is A Biomarker Of Anti-Leucine-Rich Glioma-Inactivated Protein 1 Encephalitis Patients

Authors Lin Y, Yang X, Lv J, Liu X, Wang S

Received 7 July 2019

Accepted for publication 17 September 2019

Published 11 October 2019 Volume 2019:15 Pages 2909—2915


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Dr Yuping Ning

You-ting Lin, 1 Xue Yang, 2 Jing-wei Lv, 2 Xue-wu Liu, 2,* Sheng-jun Wang 2,*

1Department of Neurology, Shandong Provincial Hospital, Shandong University, Ji’nan, People’s Republic of China; 2Department of Neurology, Qilu Hospital, Shandong University, Ji’nan, People’s Republic of China

*These authors contributed equally to this work

Correspondence: Sheng-jun Wang;Xue-wu Liu
Department of Neurology, Qilu Hospital, Shandong University, 107# Wen Hua Xi Road, Ji’nan 250012, Peoples Republic of China
Email [email protected]; [email protected]

Background: Although antibody-mediated immune responses are considered pathogenic and responsible for neural injury in anti-leucine-rich glioma-inactivated protein 1 (anti-LGI1) encephalitis, previous studies have indicated that cytokines and chemokines might play roles in the pathogenic process by serving as B cell enhancers. In this study, we detected the profiles of cytokines and chemokines in the cerebral fluid (CSF) and serum of patients with anti-LGI1 encephalitis to identify potential biomarkers.
Methods: Sixteen patients diagnosed with anti-LGI1 encephalitis and nine patients diagnosed with noninflammatory neurologic disorders were included in the study. Cytokines and chemokines including IL-6, IL-10, IL-17, CXCL12, CXCL13, BAFF and HMGB1 in serum and CSF were measured.
Results: The serum and CSF levels of CXCL13 were significantly higher in patients with anti-LGI1 encephalitis (36.32± 34.71 pg/mL and 2.23± 2.41 pg/mL, respectively) than in controls (10.84± 5.02 pg/mL and 0.34± 0.21 pg/mL, respectively). There was no significant difference in serum or CSF levels of IL-6, IL-10, IL-17, CXCL12, BAFF and HMGB1 between the two groups.
Conclusion: CXCL13 is a potential biomarker of active inflammation in anti-LGI1 encephalitis. The distinctive response of cytokines and chemokines might be closely linked to the mechanisms underlying this condition.

Keywords: leucine-rich glioma-inactivated protein 1, CXCL13, cytokine, encephalitis, biomarker

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