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Effects of LY on mitoxantrone cytotoxicity in MCF7 cells
The MCF7 cells were co-treated with specified concentrations of LY + MTX. After 48 hr and 72 hr of exposure, the cell proliferation was determined using MTT assay. Each experiment was repeated at least three times in quadruplicates for each treatment and the results are expressed as mean±SD. *denotes P<0.001 for significant difference between treatments in comparison to control RPMI
