Figure 3.circKIF4A performs as a sponge for miR-1238 (**P < 0.01). (A) qRT-PCR detected the levels of GAPDH, 18S, and circKIF4A. (B) The potential miR-1238 binding sites within circKIF4A. (C) The result of Luciferase assay. (D) The result of MS2-based RIP assay.
