Research Article

Acacetin Suppresses IL-1β-Induced Expression of Matrix Metalloproteinases in Chondrocytes and Protects against Osteoarthritis in a Mouse Model by Inhibiting NF-κB Signaling Pathways

Figure 6

Acacetin prevents progression of anterior cruciate ligament transection (ACLT)-induced OA. (a) X-rays of the knee joints from mice in the sham, OA, H-acacetin, and L-acacetin groups. (b) Safranin O/fast green staining of cartilage samples from knee joints in the four groups at 6 weeks after ACLT surgery. (c) Osteoarthritis Research Society International (OARSI) scores of knee joint sections from the four groups. , , and . .