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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-54118

Comabella, M; Kakalacheva, K; Río, J; Münz, C; Montalban, X; Lünemann, J D (2012). EBV-specific immune responses in patients with multiple sclerosis responding to IFNβ therapy. Multiple Sclerosis, 18(5):605-609.

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Background: Symptomatic primary infection with the human γ-herpesvirus Epstein-Barr virus (EBV) and elevated immune responses to EBV are associated with the development and progression of multiple sclerosis (MS). Interferon-beta (IFNβ), first-line treatment for relapse-onset MS, exhibits complex immunoregulatory and antiviral activities. Objective: To determine EBV-specific immune responses in patients with MS during IFNβ therapy. Methods: We evaluated cellular and humoral immune responses to EBV- and human cytomegalovirus (HCMV)-encoded antigens in patients with MS before and 1 year after IFNβ treatment by ELISA and flow cytometry. Twenty-eight patients with MS who showed a clinical response to IFNβ as defined by the absence of relapses and lack of progression on the Expanded Disability Status Scale score during the first 2 years of treatment were included. Results: Clinically effective IFNβ-therapy was associated with a downregulation of proliferative T cell responses to the latent EBV nuclear antigen-1 (EBNA1). EBNA1-specific IgG responses as well as cellular and humoral immune responses to MHC class I restricted EBV antigens expressed during lytic replication and viral B cell transformation were similar before and after IFNβ therapy. Although HCMV-specific IgG levels slightly decreased, proliferative T-cell responses towards HCMV antigens remained unchanged during IFNβ therapy. Conclusion: Clinically effective IFNβ therapy is associated with a reduction of proliferative T-cell responses to EBNA1.


5 citations in Web of Science®
6 citations in Scopus®
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Additional indexing

Other titles:EBV-specific immune responses in patients with multiple sclerosis responding to IFN{beta} therapy
Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Psychiatry and Psychotherapy
04 Faculty of Medicine > Institute of Experimental Immunology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Deposited On:14 Jan 2012 17:53
Last Modified:05 Apr 2016 15:19
Publisher:Sage Publications
Publisher DOI:10.1177/1352458511426816
PubMed ID:22020417

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