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Herpesvirus entry mediator-Ig treatment during immunization aggravates rheumatoid arthritis in the collagen-induced arthritis model


Pierer, M; Schulz, A; Rossol, M; Kendzia, E; Kyburz, D; Haentzschel, H; Baerwald, C; Wagner, U (2009). Herpesvirus entry mediator-Ig treatment during immunization aggravates rheumatoid arthritis in the collagen-induced arthritis model. Journal of Immunology, 182(5):3139-3145.

Abstract

Previous studies attempting to influence the severity of collagen-induced arthritis (CIA) by modulating the LIGHT (lymphotoxin-related inducible ligand that competes for glycoprotein D binding to herpesvirus entry mediator (HVEM) on T cells)/lymphotoxin pathway have yielded conflicting results. To further clarify the role of LIGHT in autoimmune arthritis, a HVEM-Ig fusion protein was used. CIA was induced in DBA1 mice, which were injected i.p. with recombinant HVEM-Ig fusion protein and control Ig at different time points. Severity of clinical arthritis and histologic joint destruction were significantly increased in HVEM-Ig-treated mice compared with control-Ig-treated mice. Collagen II-induced in vitro T cell proliferation and IFN-gamma production was augmented in mice treated with HVEM-Ig, as was the production of IgG2a anti-collagen II Ab. Accordingly, serum concentrations of IFN-gamma and IL-6 were higher in mice treated with HVEM-Ig. In conclusion, HVEM-Ig aggravates autoimmunity in collagen-induced arthritis, which is possibly mediated by interaction with B and T lymphocyte attenuator (BTLA) or CD160, despite the blockade of LIGHT. Hence, HVEM-Ig seems not to be a valid therapeutic option in autoimmune arthritis.

Previous studies attempting to influence the severity of collagen-induced arthritis (CIA) by modulating the LIGHT (lymphotoxin-related inducible ligand that competes for glycoprotein D binding to herpesvirus entry mediator (HVEM) on T cells)/lymphotoxin pathway have yielded conflicting results. To further clarify the role of LIGHT in autoimmune arthritis, a HVEM-Ig fusion protein was used. CIA was induced in DBA1 mice, which were injected i.p. with recombinant HVEM-Ig fusion protein and control Ig at different time points. Severity of clinical arthritis and histologic joint destruction were significantly increased in HVEM-Ig-treated mice compared with control-Ig-treated mice. Collagen II-induced in vitro T cell proliferation and IFN-gamma production was augmented in mice treated with HVEM-Ig, as was the production of IgG2a anti-collagen II Ab. Accordingly, serum concentrations of IFN-gamma and IL-6 were higher in mice treated with HVEM-Ig. In conclusion, HVEM-Ig aggravates autoimmunity in collagen-induced arthritis, which is possibly mediated by interaction with B and T lymphocyte attenuator (BTLA) or CD160, despite the blockade of LIGHT. Hence, HVEM-Ig seems not to be a valid therapeutic option in autoimmune arthritis.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Center for Integrative Human Physiology
04 Faculty of Medicine > University Hospital Zurich > Rheumatology Clinic and Institute of Physical Medicine
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Date:1 March 2009
Deposited On:27 Jan 2010 12:18
Last Modified:05 Apr 2016 13:47
Publisher:American Association of Immunologists
ISSN:0022-1767
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:10.4049/jimmunol.0713715
PubMed ID:19234211
Permanent URL: http://doi.org/10.5167/uzh-27966

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