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. 2017 Apr 27;13(6):3574–3580. doi: 10.3892/etm.2017.4398

Figure 4.

Figure 4.

Cell viability according to a Cell Counting Kit-8 assay. The OD value in ND-NPMSC group (day 5: 0.47±0.04; day 7: 0.72±0.05; day 9; 0.92±0.08; day 11: 1.08±0.09; day 13: 1.12±0.35; n=3) was higher than that in the D-NPMSC group (day 5: 0.38±0.04; day 7: 0.58±0.04; day 9: 0.70±0.06; day 11: 0.85±0.13; day 13: 0.89±0.23; n=3) from day 5–13 (P<0.05). Data is presented as mean ± standard deviation. OD, optical density; d, days; A, absorbance; ND-NPMSCs, non-degenerated nucleus pulposus mesenchymal stem cells.