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. 2017 Mar 23;12(3):e0174486. doi: 10.1371/journal.pone.0174486

Fig 1. Cell toxicity of metformin in two glucose concentrations.

Fig 1

Metformin was used at 0–100 mM in low- and high-glucose media and its inhibitory effects on cells were measured with MTT assay. Each column shows the mean and SD of three independent experiments, performed in triplicate. *Significantly different from untreated cells (*p ≤ 0.01, **p ≤ 0.001 and ***p ≤ 0.0001).