KLF6 and non-small cell lung carcinoma: RNA interference (RNAi) was used for the production of specific silencing of KLF6-SV1 in the NSCLC cell line A549 (with strong KLF6-SV1 expression); we also used lentivirus overexpressing KLF6-SV1 to increase its protein in SK-MES-1 cells.