**Abbreviations**

HNE: 4-hydroxy-2-nonenal; CSC; Cancer stem cells; BCSC; Breast cancer stem cells; ECM; Extracellular matrix; EMT; Epithelial to mesenchymal transition; MET; Mesenchymal to epithelial transition; ROS; Reactive oxygen species; LPO; Lipid peroxidation; NRF2; Nuclear factor erythroid 2-related factor 2; KEAP1; Kelch-like ECH-associated protein 1; bFGF; Basic fibroblast growth factor; EGF; Epidermal growth factor; PS; Polystyrene; PBS; Phosphate-buffered saline; ALDH; Aldehyde dehydrogenase; MEBM; Mammary epithelial basal medium; RT; Room temperature; EDTA; Ethylenediaminetetraacetic acid; qRT- PCR; Real-time quantitative polymerase chain reaction (PCR); FN; Fibronectin; VIM; Vimentin; N CAD; N-cadherin; B2M; Beta-2-microglobulin; LDHA; Lactate dehydrogenase A; H2O2; Hydrogen peroxide; GSH; Glutathione; ER; Estrogen receptor; PR; Progesterone receptor
