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. 2013 Aug;15(8):939–951. doi: 10.1593/neo.13804

Figure 4.

Figure 4

Potentiation of SFN-induced apoptosis by FPD. Cells were treated with either DMSO, 0.2 µM FPD, 5 µM SFN, or 1:25 ratio of FPD-SFN (0.2 µMand 5 µM, respectively) for 24 hours. The percentages (mean ± SEM) of early apoptotic (annexin XII+), non-necrotic (PI-) MDA-MB-231 (A) and MDA-MB-468 (B) cells detected after drug treatment (gray bars) are shown. The white bar indicates the fraction of apoptotic cells expected by simple addition of the percentage of apoptotic cells induced by SFN or FPD alone. Significant P values are indicated (t test; n = 3–4).