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Caspase 3/7 activity assay of HCC827 (a) and lung cancer-induced bone metastasis cells (b) cells treated with vehicle (PBS1x) or Zol 10 µM for 7 days in 1% serum conditions. The histograms represent the ratio of drug-treated cells divided by vehicle-treated cells (PBS1x). Results are the mean ± SD of three independent experiments for HCC827 and bone metastasis cells. Marginally significant # p ≥ 0.05 and significantly different from control, * p < 0.05, ** p < 0.01 and *** p < 0.001.
