Figure 3. Time course of response of chemokines and matrix molecules to IL-1β.
Chondrocytes from preserved areas of cartilage from knees of OA patients were treated with 0.1 ng/ml of IL-1β for 0, 1, 4, 8, 12, and 24 h. Control cells (C) received vehicle only. RT-PCR was done with indicated primers with GAPDH used as reference.