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Therapeutic Vaccination of Active Arthritis with a Glycosylated Collagen Type II Peptide in Complex with MHC Class II Molecules
Umeå University, Faculty of Science and Technology, Chemistry.
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2006 (English)In: The Journal of Immunology, Vol. 176, 1525-33 p.Article in journal (Refereed) Published
Abstract [en]

In both collagen-induced arthritis (CIA) and rheumatoid arthritis, T cells recognize a galactosylated peptide from type II collagen (CII). In this study, we demonstrate that the CII259–273 peptide, galactosylated at lysine 264, in complex with Aq molecules prevented development of CIA in mice and ameliorated chronic relapsing disease. In contrast, nonglycosylated CII259–273/Aq complexes had no such effect. CIA dependent on other MHC class II molecules (Ar/Er) was also down-regulated, indicating a bystander vaccination effect. T cells could transfer the amelioration of CIA, showing that the protection is an active process. Thus, a complex between MHC class II molecules and a posttranslationally modified peptide offers a new possibility for treatment of chronically active autoimmune inflammation such as rheumatoid arthritis.

Place, publisher, year, edition, pages
2006. Vol. 176, 1525-33 p.
URN: urn:nbn:se:umu:diva-16109OAI: diva2:155782
Available from: 2007-08-17 Created: 2007-08-17 Last updated: 2011-01-11Bibliographically approved

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Kihlberg, Jan
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