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Identification and characterization of a major tolerogenic T-cell epitope of type II collagen that suppresses arthritis in B10.RIII mice.

Authors
  • H, Miyahara
  • Lk, Myers
  • Ef, Rosloniec
  • Dd, Brand
  • Jm, Seyer
  • Josh Stuart
  • Ah, Kang
Type
Published Article
Journal
Immunology
Publisher
Wiley (Blackwell Publishing)
Volume
86
Issue
1
Pages
110–115
Source
UCSC Cancer biomedical-ucsc
License
Unknown

Abstract

Tolerization of B10.RIII mice (H-2r) with intravenously injected type II collagen (CII) renders the animals resistant to induction of collagen-induced arthritis (CIA). In order to clarify H-2r-restricted T-cell responses that modulate CIA, we have analysed the T-cell proliferative response of B10.RIII mice against cyanogen bromide (CB) peptides of CII, and detected the strongest response to alpha 1(II)-CB10 (CII 552-897). A panel of chemically synthesized overlapping peptide homologues was used to deduce the minimum structure of this determinant which was found to be CII 610-618. A 15-residue synthetic peptide flanking this region, CII 607-621, was found to effectively suppress arthritis when administered as a tolerogen. Collectively, these data identify the structural component within alpha 1(II)-CB10 which is capable of inducing tolerance in B10.RIII mice. A similar approach to the treatment of autoimmune arthritis, involving the institution of self-tolerance, has potential applicability to human rheumatoid arthritis.

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