Using the A549 cells (a continuous cell line derived from a human adenocarcinoma of the alveolar basal epithelium of the lungs) and the NCI-H446 cells (a cell line derived from a human small-cell lung tumor), Pan et al. [38] also confirmed the interaction of miR-24 with the 3′UTR of MEN1 mRNA and the miR-24-mediated significant silencing of menin expression in lung cancer. This evidence concerns the gene MEN1 and lung cancer.