Fig. 2.

Concentration–response curves to doxorubicin or cisplatin. Cells were treated with increasing drug doses for 48 h. a Doxorubicin (nM), b cisplatin (μM). Cytotoxicity was quantified via the MTT assay. Cell survival was standardized to untreated cells (no drug, 100%) under optimal growth conditions. % survival ± SEM was determined from three to five independent experiments, each in triplicates, with p < 0.05 considered significant. Table 1 summarizes IC₅₀