Figure 3. - Effect of intra-articular administration of curcumin on the mRNA (A) and protein (B) expressions of TLR4 and its downstream NF-κB in cartilage and synovial tissues of OA knee joints.**P<0.01, compared with the sham control group; # P<0.05, ##P<0.01, compared with the ACLT OA model group; $ P<0.05, $$ P<0.01, compared with the ACLT+LPS group.
