Figure 5. Effect of Rapamycin on inflammation in experimental OA.
A, Synovium from mice after experimental OA and vehicle (N= 16) or rapamycin (rapa, N= 11) treatment was analyzed by staining with Safranin O. Magnification: 40×. B, The histological score for inflammation was significantly decreased after rapa treatment. Values are the mean ± SD. * = P < 0.05 versus OA-vehicle. C, Synovium sections from vehicle or rapa treated mice (N=5 each) were analyzed by immunohistochemistry for IL-1β. Magnification: 40×.