EGFR and non-small cell lung carcinoma: To further testify the relation between integrin αvβ3 and EGFR inhibitors resistance, we sorted integrin αvβ3+ and αvβ3− cells from NSCLC cell lines (A549, NCI-H1975 and Lewis) and treated with three clinical EGFR inhibitors (Erlo, Gefi and Lapa).