Fig. 1From: Analysis of MDR genes expression and cross-resistance in eight drug resistant ovarian cancer cell linesMTT analysis. MTT cell survival assay for A2780, A2780CR1, A2780CR2, A2780DR1, A2780DR2, A2780TR1, A2780TR2, A2780PR1 and A2780PR2 cell lines treated with or without increasing concentration of CIS (a), PAC (b), DOX (c), and TOP (d). The viability was expressed as a percent on an untreated control (mean ± SEM)Back to article page