Abstract:
:The functional T-cell repertoire in the inflamed joint of a patient with rheumatoid arthritis was analysed at the clonal level. Using limiting dilution techniques and selecting for growth of in vivo activated and/or autoreactive T cells, 149 T-cell lines were established. They were tested in a proliferation assay for reactivity against an autologous Epstein-Barr virus (EBV)-transformed B-cell line and a panel of auto-antigens and foreign antigens. Seventy-five lines (approximately 50%) could be stimulated. Thirty-six lines (approximately 24%) were antigen-reactive. They were stimulated by human collagens type I (15), II (10), IV (7) or V (4), cartilage proteoglycans (4), Mycobacterium tuberculosis (15), the 60 kDa heat-shock protein of M. bovis (13) or tetanus toxoid (10). T-cell lines were either monoreactive (19), bireactive (6), or multireactive (11), i.e. they were stimulated by either one, by two, or by more antigens in the panel. About half of the antigen-reactive lines were at the same time autoreactive towards the autologous B-cell line. These data suggest the existence of multispecific autoreactive T-cell receptors comparable to multireactive or natural autoantibodies and prove the presence of autoantigen-reactive T cells in the inflamed joints of patients with rheumatoid arthritis.
journal_name
Scand J Immunoljournal_title
Scandinavian journal of immunologyauthors
Melchers I,Jooss-Rüdiger J,Peter HHdoi
10.1046/j.1365-3083.1997.d01-105.xsubject
Has Abstractpub_date
1997-08-01 00:00:00pages
187-94issue
2eissn
0300-9475issn
1365-3083journal_volume
46pub_type
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