MiRNA-204 reversed the promotive effects of LINC00922 on invasive and migratory capacities of lung cancer cells. PC9 cells were transfected with NC, shRNA-LINC00922 or shRNA-LINC00922+miRNA-204 inhibitor, respectively. (A) Cell Counting Kit-8 (CCK-8) assay revealed viability in PC9 cells at 6, 24, 48, 72, and 96 hours. (B) CCK-8 assay revealed viability in A549 cells at 6, 24, 48, 72, and 96 hours. (C) Transwell assay revealed the invasive and migratory cell number in PC9 cells. A549 cells were transfected with NC, vector-LINC00922 or vector-LINC00922+miRNA-204 mimic, respectively. (D) Transwell assay revealed the invasive and migratory cell number in A549 cells.