Fig. 3From: Early removal of the infrapatellar fat pad/synovium complex beneficially alters the pathogenesis of moderate stage idiopathic knee osteoarthritis in male Dunkin Hartley guinea pigsTranscript and protein expression analyses. Normalized mRNA counts for adiponectin (A), leptin (B), FASN (C), COL2A1 (D), MMP-2 (E), NF-kB p65 (F), NF-kBp50 (G), NR4A2 (H), catalase (I), C3 (J), MCP-1 (K), and GPS2 (L) in IFP/SC and FCT of knee joints. Immunohistochemistry for MCP-1 expression in IFP/SC  (M; left hind limb) and FCT (N; right hind limb). MCP-1 is a cytokine regulated by the NF-kBp65 pathway; expression in the FCT was reduced compared to the native IFP/SC. (O) Figure representing quantitative analysis of MCP-1-stained tissue subtracted from IgG control tissue for all samples. NF-kB is a transcription factor that is known for regulating inflammatory responses within inflammatory cells; protein expression is increased in IFP/SC (P; left hind limb) versus FCT (Q; right hind limb). (R) Figure representing quantitative analysis of p65 stained tissue subtracted from IgG control tissue for all samples. P-values were determined by paired t-test†for non-parametric Wilcoxon test× for non-normally distributed data. ***P <0.0005, **P<0.005, and *P<0.05Back to article page