Fig. 4From: Topical application of Chinese herbal medicine DAEP relieves the osteoarthritic knee pain in ratsEffect of DAEP on gene expression of the articular cartilage of OA. Fold changes in IL-6, TNF-α, iNOS, COX-2 and MMP-3. Results are shown in bar charts with mean + standard error of mean (SEM); * p < 0.05, ** p < 0.01 (compared with the group denoted by n-zig-zag line). n = 5, 10 and 10 for Sham, Control and DAEP group, respectivelyBack to article page