DNMT1 and non-small cell lung carcinoma: To study in vitro effects of G9a/DNMT1 co-targeting on cell proliferation we selected a panel of five NSCLC human cell lines (H23, H358, H2170, A549 and H1299) and seven murine NSCLC cell lines (Lacun3, CMT167, 393 P, LLC, UNSCC-679, UNSCC-678 and LKR13).