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. 2022 Jun 11;8:285. doi: 10.1038/s41420-022-01066-6

Fig. 6. CircRFWD3 regulated PPARγ/NF-κB/MMP13 signal pathway via miR-27a/27b in HNSCC.

Fig. 6

A Western blot showed that PPARγ expression was decreased after GW9662 treatment in HN31 cells. B, C Clustered heatmap of a significant differentially expressed gene in UM1 and HN31 cells treated by GW9662. Each sample contained a mixture of three repeats. D Venn diagram showed MMP13, STRA6, and PTPRH were downregulated after GW9662 treatment in both HN31 and UM1 cells. E Western blot analysis showed inhibition of PPARγ could decrease the expression level of p65, p-P65, Rel B, and MMP13. F Rescue analysis indicated that miR-27a and miR-27b inhibitors could alleviate the reduction of PPARγ, p65, p-P65, Rel B, and MMP13 by inhibiting the expression of circRFWD3. Data were shown as representative of one experiment with three independent biological replicates.