Figure 10. SFTPC can inhibit the proliferation of LUAD in vitro. (A–D) CCK-8 assay for A549 and PC9 cells stably overexpressing (A, C) or inhibiting SFTPC expression (B, D). (E) Immunofluorescence analysis of A549 and PC9 cells stably overexpressing or knocking down SFTPC. (F) Colony formation assays for A549 and PC9 cells stably overexpressing or knocking down SFTPC. *, P < 0.05; **, P < 0.01; ***, P < 0.001.