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Predominant selecti...
Predominant selection of T cells specific for the glycosylated collagen type II epitope (263-270) in humanized transgenic mice and in rheumatoid arthritis.
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- Bäcklund, Johan (författare)
- Lund University,Lunds universitet,Immunologi,Forskargrupper vid Lunds universitet,Immunology,Lund University Research Groups
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- Carlsén, Stefan (författare)
- Lund University,Lunds universitet,Immunologi,Forskargrupper vid Lunds universitet,Immunology,Lund University Research Groups
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Höger, Torsten (författare)
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Holm, Björn (författare)
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Fugger, Lars (författare)
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Kihlberg, Jan (författare)
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Burkhardt, Harald (författare)
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- Holmdahl, Rikard (författare)
- Lund University,Lunds universitet,Immunologi,Forskargrupper vid Lunds universitet,Immunology,Lund University Research Groups
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(creator_code:org_t)
- 2002-06-27
- 2002
- Engelska.
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Ingår i: Proceedings of the National Academy of Sciences. - : Proceedings of the National Academy of Sciences. - 1091-6490 .- 0027-8424. ; 99:15, s. 9960-9965
- Relaterad länk:
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http://www.ncbi.nlm.... (free)
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http://dx.doi.org/10... (free)
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https://europepmc.or...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Rheumatoid arthritis (RA) is associated with certain MHC class II alleles and is characterized by a chronic autoimmune response in the joints. Using transgenic mice expressing human DR4 (DRB1*0401) and human CD4, but lacking endogenous MHC class II, we show that posttranslational glycosylation of type II collagen (CII) influences the level of T cell tolerance to this candidate cartilage-specific autoantigen. In such mice, the expression of human CII resulted in a tolerized murine T cell response to human CII. However, tolerance induction remained incomplete, preferentially deleting responses to the nonmodified CII 263-270 epitope, whereas T cell recognition of a glycosylated variant of this epitope was affected to a lesser degree. A similar dominance of T cell responses to CII-glycopeptides was recorded in a cohort of severely affected RA-patients (n = 14). Thus, RA T cells predominantly recognize the immunodominant CII peptide in its glycosylated form and may explain why previously it has been difficult to detect T cell responses to CII in RA patients.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Immunologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Immunology in the medical area (hsv//eng)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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