Summary
Tritiated-thymidine incorporating cells in synovial tissue samples from ten patients with definite or classic rheumatoid arthritis (RA) were studied by combining two techniques. Tritiated-thymidine-labelled cells were seen in autoradiography and simultaneously the subtype of them was determined with immunoperoxidase staining using monoclonal antibodies. Tritiated-thymidine-labelled cells comprised 0.8±0.4% of all the inflammatory cells in RA synovial membrane. Of all 3H-thymidine-labelled cells 34±17% were positive for OKT8 and 19±8% for OKT4 monoclonal antibodies. OKM1-positive cells comprised 7±3% of all 3H-thymidine labelled cells, whereas only a few (3±4%) of them were positive for pan-B monoclonal antibody. This study emphasizes the importance of activated OKT8 lymphocytes in RA synovial membrane.
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Nykänen, P., Bergroth, V., Raunio, P. et al. Phenotypic characterization of 3H-thymidine incorporating cells in rheumatoid arthritis synovial membrane. Rheumatol Int 6, 269–271 (1986). https://doi.org/10.1007/BF00541318
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DOI: https://doi.org/10.1007/BF00541318