Fig. 8
From: Joint hemorrhage accelerates cartilage degeneration in a rat immobilized knee model

Interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α) expression in the cartilage in the contact area. There was no significant difference in IL-1β expression. TNF-α expression in the femur was significantly increased in the Im-B group compared with that in the Im-NS group at 2 weeks