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![Oxidative stress and breast cancer biomarkers: the case of the cytochrome P450 2E1](https://image.oaes.cc/8ee17b86-5e94-4df3-8454-151b3aaaa6ee/1566.fig.3.png)
Figure 3. ATP production and lactate efflux in MCF-7 and MDA-MB-231 cells treated with the CYP2E1 inhibitor CMZ. MCF-7 and MDA-MB-231 cells were either left untreated or treated with the CYP2E1 specific inhibitor CMZ. ATP production (A and B) was determined using the ViaLight™ plus kit (Lonza, Slough, UK) and lactate efflux (C and D) using the lactate reagent (Trinity Biotech, Dublin, Ireland). Data are average of three independent experiments ± SEM; **P < 0.005. ATP: adenosine triphosphate; CMZ: chlormethiazole