Role of the PERK-eIF2α-CHOP Signaling Pathway in the Effect of Needle Knife Therapy on Knee Joint Chondrocyte Apoptosis

Figure 4

Comparison of PERK and p-PERK protein levels in the knee joint cartilage of the study groups (n = 8). P < 0.05, P < 0.01 compared with the normal group; ^#P < 0.05, ^##P < 0.01 compared with the model group; ^&P < 0.05, ^&&P < 0.01 compared with the needle knife group.