(A) The target relationship between DUXAP8 and miR-26b-5p was predicted by TargetScan website. (B,C) The expression of miR-26b-5p in LUAD tissues and cells was detected by RT-PCR. (D) The targeting relationship between DUXAP8 and miR-26b-5p was verified through dual luciferase reporter gene assay. (E) RNA pull-down assay was utilized to verify the relationship between DUXAP8 and miR-26b-5p. **P<0.01 vs. si-NC.