To further verify that the repression of FGF2 and CCND2 mediated the effect of miR‐646 on the proliferation and invasion of NSCLC cells, we respectively overexpressed FGF2 and CCND2 in A549/LV‐miR‐646 cells (Figure 6E). Here, CCND2 is linked to non-small cell lung carcinoma.