Figure 2.

(A) Real-time PCR was used to examine the miR-9 level in A375 cells transfected with scramble miR mimic (miR-NC) or miR-9 mimic. Nontransfected A375 cells were used as control group. (B) MTT assay was used to measure cell viability in A375 cells transfected with miR-NC or miR-9 mimic, or the untreated cells. (C) Wound healing assay was used to measure the ability of cell migration in A375 cells transfected with miR-NC or miR-9 mimic, or the untreated cells (40×). (D) Transwell assay was used to measure the ability of cell invasion in A375 cells transfected with miR-NC or miR-9 mimic, or the untreated cells (200×). **P<0.01 vs negative control (miR-NC).

Abbreviations: PCR, polymerase chain reaction; miR, microRNA.