MED4 and lung adenocarcinoma: Compared with normal lung-epithelial cells (BEAS-2B), the expression level of LINC01415, FRMD6-AS1 and FAM83A-AS1 was significantly higher in lung adenocarcinoma cells (A549/PC9), while the expression level of MED4-AS1 and LINC01480 was lower in lung adenocarcinoma cells (Figure 11).