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Fig. 4 | BMC Cancer

Fig. 4

From: Selective oestrogen receptor antagonists inhibit oesophageal cancer cell proliferation in vitro

Fig. 4

Effect of MPP and PHTPP on the caspase-3/ caspase-7 activity and on the lactate dehydrogenase activity (LDH) of OE33 cell lines. Cells were treated with the indicated concentrations of MPP and PHTPP for 48 h, and then caspase activity was determined using Caspase-Glo 3/7 assay while LDH activity was determined using LDH activity assay. Data are presented as mean ± SD of two independent experiments. a There was a significant increase in caspase 3/7 activity of cells treated with MPP 1 μm, 3.3 μm, 10 μm, and 33 μm compared to the negative control (****p < 0.0001). b There was a significant increase in caspase 3/7 activity of cell treated with PHTPP 1 μm, 33 μm, and 75 μm compared to the negative control (*p < 0.05). c There was a significant increase in the LDH activity of cells treated with MPP 33 μm and 75 μm compared to the negative control (***p < 0.001). d Only cells treated with PHTPP 75 μm showed increased LDH activity compared to the negative control, however the difference did not reach statistical significance (p = 0.24)

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