Figure 4. Expression level of GNL3, IL24 and PTN gene in the OA patients (A) The radiograph of the pelvis of a patient with OA shows narrowing of the hip joints. (B) The femoral head specimen removed from the patient with osteoarthritis shows degeneration of articular cartilage. (C) Western Blot in OA patients vs controls (D) q-RT-PCR of GNL3, IL24 and PTN gene in 20 patients with osteoarthritis and 20 control samples. P-value in GNL3, IL24 and PTN sets are respectively 0.0010, 0.0230 and 0.0073.*P < 0.10, ***P < 0.01 compared to the control groups.