-educated cells, ATP, ATP synthase, Akt, Breast adipose tissue, ER, ER+, EV, EVs, Extracellular vesicles, MCF7, Mitochondrial complex I, NADH, NADH: ubiquinone oxidoreductase, O, O-, O-EV, O-EV-educated cells, O-EVs, P70S6K, RNA, T47D, breast cancer, breast cancer cells, cancer, genes, human, human breast adipose tissue-derived EVs, mTOR, metformin, miR, miR-10a-3p, miR-155-, miR-155-5p, miR-30a-3p, miRNAs, obese, obesity, overweight, respiratory, target cell, tumor, tumor cells, ubiquinone, women