SOX2 and non-small cell lung carcinoma: We compared RT-qPCR expression in PCS2 bound and unbound NSCLC cells of CSC related biomarkers ALDH1A320CD13321,22, CD4423 and SOX2 [SRY (sex determining region Y)-box 2]7 using H358, H1693, H460, and H1975 NSCLC lines (Fig. 2B–E).