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. 2020 Nov 18;14:5077–5085. doi: 10.2147/DDDT.S275148

Figure 2.

Figure 2

Acacetin induces apoptosis of OS cells. (A) Acacetin induced apoptosis in human osteosarcoma cells. Apoptotic nuclear morphological changes were evaluated by Hoechst 33258 staining and observed under a fluorescence microscope. (B) Acacetin induces apoptosis in HOS and SJSA cells. HOS and SJSA cells were treated with acacetin (0, 40 and 60 μM) for 24 h, and apoptotic cells were analyzed by flow cytometry. The histograms indicate that the percentage of total apoptosis. Results are shown as mean±S.D. from three independent experiments. (C) The mitochondrial membrane potential after acacetin treatment was measured using JC-1 staining by flow cytometry. The histograms indicate the ratio of green and red fluorescence. The results are shown as the mean±S.D. from three independent experiments. (D) Cells were treated with various concentrations of acacetin for 24 h. The apoptosis-related proteins cleaved PARP, caspase-3, −8, and −9, Bax and Bcl-2 were analyzed by Western blotting. *P < 0.05, significantly different compared with the untreated control group.