Figure 2. Effect of circ_0066715 on the function of RA-FLS cells. (A) circ_0066715 lentiviral vector construction in RA-FLS cells.** P <0.01.(n=6, ANOVA with Bonferroni’s post test). (B) Changes of cell viability. ** P <0.01.(n=3, ANOVA with Bonferroni’s post test). (C, D) Changes in cell clones.** P <0.01.(n=6, ANOVA with Bonferroni’s post test). (E) Changes of apoptotic. (F) Changes of cell scratch.