HSP90AB1 and non-small cell lung carcinoma: To determine whether CS-6 also inhibited Hsp90 expression in other NSCLC cells, we further treated H1299, H322 and H460 cells with CS-6 at different doses, and found that CS-6 also considerably suppressed Hsp90 protein expression in H1299, H322 and H460 cells (Figure 5C).