MEMO1 and non-small cell lung carcinoma: To further confirm the roles of circ-MEMO1 in the proliferation, cell cycle progression, and apoptosis of NSCLC cells, we conducted gain-of-function experiments using a H1650 cell line that had low expression of circ-MEMO1 compared with the other three NSCLC cell lines (PC9, H1299, and A549; shown in Figure 1H).