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. 2015 Jun 3;13(6):3531–3549. doi: 10.3390/md13063531

Figure 2.

Figure 2

Effect of the application of methanol extracts of four strains belonging to the Nannochloris (SBL1 and SBL4), Picochlorum (SBL2) and Desmochloris (SBL3) genera, applied at a concentration of 125 µg/mL for 72 h, on the viability of human hepatocarcinoma (HepG2), cervical carcinoma (HeLa) and non-tumoral murine stromal (S17) cell lines, in comparison to a control without extract (DMSO, 0.5%, v/v). Bars and lines correspond, respectively, to cell viability and selectivity. * Significant differences (p < 0.001) compared with the control (n = 6). Half maximal inhibitory concentrations for etoposide used as a positive control were 1.9, 4.2 and 10 µg/mL for HepG2, HeLa and S17 cells, respectively.