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. 2017 Dec 14;2017:9843120. doi: 10.1155/2017/9843120

Figure 2.

Figure 2

The antiapoptosis effect of BMSCs on NPCs exposed to compression. (a) The phase-contrast photomicrograph of NPCs. (b) Hoechst 33258 staining of NPCs. Apoptotic cells were characterized by the brightly stained condensed nuclei (indicated by arrows). (c) TUNEL staining of NPCs. (d) Representative images of cell apoptosis by flow cytometry analysis after Annexin V/PI dual staining. (e) Summary data showing the apoptosis rate in different groups. The cells at the early stage of apoptosis were stained with Annexin V+/PI−, and the cells at the late stage of apoptosis were stained with Annexin V+/PI+. CL means compression load. The data are expressed as mean ± SD from three independent experiments (∗P < 0.05 and ∗∗P < 0.01 versus control or NPC + BMSC + CL; #P < 0.05 and ###P < 0.001 versus NPC + CL).