Volume 15, Issue 10 pp. 1100-1105

The role of IL-12 and TNF-α in AIDP and AMAN

H. Deng

H. Deng

Department of Neurology, The First Hospital, Jilin University, Changchun, China

These authors contributed equally to this work.

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X. Yang

X. Yang

Department of Neurology, The First Hospital, Jilin University, Changchun, China

Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Karolinska University Hospital Huddinge, Stockholm, Sweden

These authors contributed equally to this work.

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T. Jin

T. Jin

Department of Neurology, The First Hospital, Jilin University, Changchun, China

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J. Wu

J. Wu

Department of Neurology, The First Hospital, Jilin University, Changchun, China

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L.-S. Hu

L.-S. Hu

Department of Neurology, The First Hospital, Jilin University, Changchun, China

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M. Chang

M. Chang

Department of Neurology, The First Hospital, Jilin University, Changchun, China

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X.-J. Sun

X.-J. Sun

Department of Pathology, College of Basic Medicine, Jilin University, Changchun, China

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A. Adem

A. Adem

Department of Pharmacology, Faculty of Medicine & Health Science, United Arab Emirates University, Abu Dhabi, United Arab Emirates

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B. Winblad

B. Winblad

Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Karolinska University Hospital Huddinge, Stockholm, Sweden

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J. Zhu

J. Zhu

Department of Neurology, The First Hospital, Jilin University, Changchun, China

Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Karolinska University Hospital Huddinge, Stockholm, Sweden

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First published: 05 September 2008
Citations: 25
Dr Jie Zhu, Division of Neurodegeneration (NOVUM, Plan 5), Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Karolinska University Hospital in Huddinge, Stockholm SE-141 86, Sweden (tel.: +46 8 58585494; fax: +46 8 58585470; e-mail: [email protected]).

Abstract

Background: Acute inflammatory demyelinating polyradiculoneuropathy (AIDP) and acute motor axonal neuropathy (AMAN) have been described as two major subtypes of Guillain-Barré syndrome (GBS); however, the possible difference of their immune-inflammatory pathogenesis remains unclear.

Methods: In this study, by using FACS and enzyme-linked immunosorbent assays analyses, the role of Th1 cytokines tumour necrosis factor-α (TNF-α), interleukin-12 (IL-12) and their receptors on peripheral blood mononuclear cells (PBMCs) and in serum concentrations were investigated in AIDP and AMAN.

Results: The results showed enhanced IL-12, IL-12R1 in AIDP and TNF-α in AMAN during the acute phase, as well as increased TNF-α and TNFR1 during the plateau phase of AIDP. Intravenous high dose immunoglobulin decreased IL-12R1 expression on cells in AIDP, but increased TNF-α and TNFR2 in AMAN.

Discussion: Our data suggest that IL-12 promotes disease development in AIDP and in contrast to previously inflammatory assumptions, TNF-α may play double roles in GBS. The anti-inflammatory role of TNF-α realized through TNFR2 in AMAN is possibly a therapeutic mechanism in the IVIg treatment of AMAN.

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