Article ; Online: Untreated relapsing remitting multiple sclerosis patients show antibody production against latent Epstein Barr Virus (EBV) antigens mainly in the periphery and innate immune IL-8 responses preferentially in the CNS.
2017 Volume 306, Page(s) 40–45
Abstract: Background: Multiple sclerosis (MS) is an inflammatory and neurodegenerative disorder of the central nervous system (CNS). Reliable biomarkers are urgently needed for its diagnosis and management, and as clues to its pathogenesis, in which EBV is ... ...
Abstract | Background: Multiple sclerosis (MS) is an inflammatory and neurodegenerative disorder of the central nervous system (CNS). Reliable biomarkers are urgently needed for its diagnosis and management, and as clues to its pathogenesis, in which EBV is implicated. Objective: To measure IgG antibodies against EBV nuclear antigen-1 (EBNA-1) and innate inflammation status in paired serum and cerebrospinal fluid (CSF) samples from untreated relapsing-remitting MS (RRMS) patients. Materials and methods: Anti-EBNA-1 IgG titers and IL-8, IL-1β, IL-6, IL-10, TNF-α and IL-12p70 cytokine levels were measured in 20 untreated RRMS-patients and 17 healthy controls. Results: We found higher serum anti-EBNA-1 IgG and IL-8 levels in RRMS-patients than in healthy controls. Interestingly, levels of IL-8 - relative to total protein - were much higher in the CSF, whereas the anti-EBNA-1 antibodies were significantly higher in the sera. More detailed analysis showed that anti-EBNA-1 antibodies relative to total IgG were also higher in the serum in the majority of RRMS patients compared to CSF. Levels of anti-EBNA-1 IgG and IL-8 showed a strong correlation between serum and CSF. Conclusion: These findings in newly diagnosed RRMS-patients imply anti-EBNA-1 antibody production mainly in the periphery and innate immune responses preferentially in the CNS. Both their potential as disease biomarkers and their implications for the pathogenesis of MS warrant further investigation. |
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MeSH term(s) | Adolescent ; Adult ; Animals ; Cytokines/blood ; Cytokines/cerebrospinal fluid ; Cytokines/metabolism ; Epstein-Barr Virus Nuclear Antigens/immunology ; Female ; Humans ; Immunoglobulin G/blood ; Interleukin-8/blood ; Interleukin-8/cerebrospinal fluid ; Interleukin-8/immunology ; Male ; Mice ; Middle Aged ; Multiple Sclerosis, Relapsing-Remitting/blood ; Multiple Sclerosis, Relapsing-Remitting/immunology ; Statistics as Topic ; Young Adult |
Chemical Substances | Cytokines ; Epstein-Barr Virus Nuclear Antigens ; Immunoglobulin G ; Interleukin-8 ; EBV-encoded nuclear antigen 1 (O5GA75RST7) |
Language | English |
Publishing date | 2017-03-02 |
Publishing country | Netherlands |
Document type | Journal Article |
ZDB-ID | 8335-5 |
ISSN | 1872-8421 ; 0165-5728 |
ISSN (online) | 1872-8421 |
ISSN | 0165-5728 |
DOI | 10.1016/j.jneuroim.2017.02.017 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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