Fig. 4
From: Sulbactam-enhanced cytotoxicity of doxorubicin in breast cancer cells
Co-treatment of sulbactam and doxorubicin downregulated mRNA expression levels of ABC transporters. a MDA-MB-453 and b MDA-MB-468. The relative mRNA expression levels are expressed as compared with Dox-treated cells where the mRNA expression levels were assumed to be 1. Reported values represent mean ± SD of at least three independent experiments, each performed in triplicate. *p < 0.05 and **p < 0.01 versus only Dox-treated cells. Sul sulbactam, Dox doxorubicin, SD standard deviation