We subsequently performed transwell assays to determine the effects of lnc‐CYB561‐5 on the migration and invasion of H1299, H292 and A549 cells, and the results showed that a low level of lnc‐CYB561‐5 was closely associated with the invasion ability of lung cancer cell (Figure 3E–H, Supplementary Figure 2C). Here, CYB561 is linked to lung carcinoma.