Western blots and densitometric analysis of TGF-β, E-cadherin, MMP9, Nanog and Sox2 in rociletinib resistant H1975 xenograft model of lung cancer. Data are representative of three different experiments and presented as mean, and error bars refer to SEM. *p<0.05, **p<0.01, ***p<0.001 was considered significant when compared to control. TGF-: Transforming growth factor β; MMP9: matrix metalloproteinase 9.