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. 2015 Nov 3;21:44. doi: 10.1186/s40409-015-0044-5

Fig. 2.

Fig. 2

Assessment of cell cycle progression of the tumor cell lines HL-60 (a), HepG2 (b), PC-12 (c) and B16F10 (d) treated with BthTX-I using flow cytometry. Tumor cells were treated with BthTX-I at different concentrations (5 to 100 μg/mL). Cells treated with PBS were used as negative control (PBS). The cells were fixed with ethanol and stained with propidium iodide present in the HFS solution. G0/G1: resting/preparation for synthesis; S: DNA synthesis; G2/M: preparation for mitosis. Results expressed as mean ± SD of three independent experiments (n = 3). Statistically significant differences (p < 0.05) are labeled with * (in comparison with G0/G1 phase of PBS)