Fig. 3From: Indole-3-propionic acid alleviates chondrocytes inflammation and osteoarthritis via the AhR/NF-κB axisThe protective effect of IPA on the IL-1β-induced ECM degradation. A–E RT-qPCR analysis of MMP-3, MMP-13, ADAMTS-5, collagen-II and aggrecan (n = 9). F–H Immunofluorescence and semi-quantitative analysis of collagen-II and aggrecan (n = 5, scale bar = 100 μm, ×200). I–L Western blot and semi-quantitative analysis of MMP-3, MMP-13 and ADAMTS-5 (n = 3). *p < 0.05, **p < 0.01 vs. the control group, #p < 0.05, ##p < 0.01 vs. the IL-1β groupBack to article page