EGFR and non-small cell lung carcinoma: The enhancement of EGF-induced EGFR activation by rhIL-17A was further validated by a Western blot analysis in both WT-EGFR A549 and H23 NSCLC cells (Figure 4C and Figure S6), indicating that IL-17A also modulates activation of WT-EGFR in NSCLC cells.