Hypoxia Helps Maintain Nucleus Pulposus Homeostasis by Balancing Autophagy and Apoptosis

Figure 1

Effect of hypoxia on nucleus pulposus (NP) cell viability. (a) Viability was evaluated using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-tetrazolium bromide (MTT) assay. Data are presented as the . (b) Alizarin Red S staining to assess morphological changes in hypoxic and aging conditions. . , , and versus 24 h; ^#, ^##, and ^### versus C-NP cells.

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