Figure 2. Combination of low-dose Doxycycline and Azithromycin reduces respiration (basal and maximal) and ATP levels. The metabolic profile of MCF7 cell monolayers pre-treated with the combination of 1 μM Doxycycline and 1 μM Azithromycin for 3 days was assessed using the Seahorse XFe96 analyzer. **p < 0.01. DOX, Doxycycline; AZI, Azithromycin.