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. 2020 Dec 2;8(4):114. doi: 10.3390/toxics8040114

Figure 1.

Figure 1

Viability of human epidermal melanocytes lightly-pigmented (HEMn-LP) cells after 24 and 72 h treatment with NaF assessed by (A) MTS metabolic activity ($ p < 0.001 and # p < 0.0001 vs. untreated control) and; (B) LDH leakage (* p < 0.05 and # p < 0.01 vs. untreated control). (C) One-way analysis of variance (ANOVA) followed by Dunnett’s post-hoc test was used. Representative images of HEMn-LP cells treated with NaF (0–6 mM) for 72 h, images were taken at 20× magnification. Data for 24 h in (B) is mean ± SEM of at least two independent experiments (n = 2) while all other data are mean ± SEM of at least three independent experiments (n = 3).