期刊
CLINICAL AND EXPERIMENTAL IMMUNOLOGY
卷 175, 期 1, 页码 41-48出版社
WILEY-BLACKWELL
DOI: 10.1111/cei.12209
关键词
EAE/MS; inflammation; monocytes/macrophages; neuroimmunology; T cells
类别
资金
- German Research Foundation (DFG) [KU 2760/2-1]
- Koln Fortune Programm
- Imhoff-Stiftung
In various autoimmune diseases, anti-tumour necrosis factor (TNF)- treatment has been shown to reduce both clinical disease severity and T helper type 1 (Th1)1/Th17 responses. In experimental autoimmune encephalomyelitis (EAE), however, the role of TNF- has remained unclear. Here, C57BL/6 mice were immunized with myelin oligodendrocyte glycoprotein (MOG) peptide 35-55 and treated with anti-TNF-, control antibody or vehicle. The clinical disease course, incidence and severity were assessed. On day 20 after immunization the antigen-specific Th1/Th17 response was evaluated by enzyme-linked immunospot (ELISPOT) in spleen and central nervous system (CNS). Also, the extent of spinal cord histopathology was analysed on semi- and ultrathin sections. Our results demonstrate that anti-TNF- treatment reduced the incidence and delayed the onset of EAE, but had no effect on disease severity once EAE had been established. Whereas anti-TNF- treatment induced an increase in splenic Th1/Th17 responses, there was no effect on the number of antigen-specific Th1/Th17 cells in the spinal cord. Accordingly, the degree of CNS histopathology was comparable in control and anti-TNF--treated mice. In conclusion, while the anti-TNF- treatment had neither immunosuppressive effects on the Th1/Th17 response in the CNS nor histoprotective properties in EAE, it enhanced the myelin-specific T cell response in the immune periphery.
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