Fig. 1. The antiproliferative effect of paclitaxel evaluated at 48 hours on (A) Hs578T (parental cells and Hs578T/Pax at passage P12, respectively P24) and (b) MDA-MB-231 (P1 and MDA-MB-231/Pax at passage P12, respectively P24) cell lines using MTT assay. Log (concentration, µM) = Log (concentration of bioactive compound, µM) (mean ± SD, n=3).