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The cells population after 6, 24 and 48 h for exposure to different concentrations of probiotic supernatant (I, II, III are 3.62, 7.8 and 10.68 mg/mL, respectively). As you can see MCF-7 cells stay alive after exposure to probiotic supernatant for all concentrations after 6 and 24 h, whereas the viability of MCF-7 cells after 48 h decreased and showed dose dependency.
