EGFR and non-small cell lung carcinoma: To test whether depletion of hnRNP A1 and/or A2 could affect EGFR-dependent signaling in NSCLC, A549 cells were transfected with siRNAs against hnRNP A1, hnRNP A2, or both (hnRNP A1/A2) for 72 h.