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. 2019 Jun 5;20(2):1203–1211. doi: 10.3892/mmr.2019.10346

Figure 4.

Figure 4.

Influence of nucleus pulposus cells on the cell viability of VECs in the co-culture system. Before adding AMD3100, the cell viability of VECs increased as stromal cell derived factor 1 increased in the Down, D and Up groups, and there were significant differences among the groups. After adding AMD3100, the cell viability in the D and Up groups decreased significantly. There was no significant difference in the Down group before or after adding AMD3100. *P<0.05, ***P<0.001. VECs, vascular endothelial cells; Down, downregulation; D, degeneration; Up, upregulation; AMD3100-, without adding AMD3100 into the co-culture system; AMD3100+, adding AMD3100 into the co-culture system.