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Antigen-presenting capacity of different types of fibroblasts. The ability of LS48, NIH/3T3, synovial fibroblasts (SF), thymic fibroblasts (ThyF), and dermal fibroblasts (DF) to process and present COL2 was evaluated by measuring IL-2 levels in culture medium following 24 h co-culture of fibroblasts with COL2-specific HCQ.3 T-cell hybridoma and 50 µg/mL COL2. The mean of triplicate measurements for each sample is shown.
