Research Article

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

Figure 2

Comparison of knee joint chondrocytes in the study groups (×20). The knee joints of rabbits in the needle knife group and medicine group had thicker cartilage layers, more chondrocytes, and relatively clear subchondral tidemarks compared with the model group.