Elevated Levels of Cerebrospinal Fluid and Plasma Interleukin-37 in Patients with Guillain-Barré Syndrome

Author:

Li Cong1,Zhao Pingwei1,Sun Xiguang1,Che Yuanyuan1,Jiang Yanfang1

Affiliation:

1. Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, The Second Part of First Hospital, Jilin University, Changchun 130032, China

Abstract

Aims. Interleukin-37 (IL-37) is an anti-inflammatory cytokine. This study aims to investigate the concentrations of plasma and cerebrospinal fluid (CSF) IL-37 in patients with Guillain-Barré Syndrome (GBS).Methods. The levels of plasma and CSF IL-37, IL-17A, IFN-γ, and TNF-αin 25 GBS patients and 20 healthy controls (HC) were determined by enzyme-linked immunoabsorbent assay and flow cytometric bead array assay, respectively. The values of clinical parameters in the patients were also measured.Results. The concentrations of plasma IL-37, IL-17A, IFN-γ, and TNF-αand CSF IL-37 and IL-17A in patients at the acute phase of GBS were significantly higher than those in the HC. The levels of plasma IL-37, IL-17A, IFN-γ, and TNF-αwere positively correlated in those patients, and the levels of CSF IL-37 and IL-17A as well as the levels of plasma TNF-αwere correlated positively with the GBS disability scale scores (GDSs) in those patients. Treatment with intravenous immunoglobulin significantly reduced the levels of plasma IL-37, IL-17A, IFN-γ, and TNF-αin the drug-responding patients.Conclusions. Our findings indicate higher levels of plasma and CSF IL-37 and IL-17A and other proinflammatory cytokines in patients with GBS.

Funder

National Natural Science Foundation of China

Publisher

Hindawi Limited

Subject

Cell Biology,Immunology

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