Fig. 7: Apoptosis of IDD NP cells.

a Tunel staining of normal and IDD NP tissue. b The cell death rate in IDD NP tissues was significantly higher than that in normal ones, as indicated by the TUNEL assay. **P < 0.01, n = 4
a Tunel staining of normal and IDD NP tissue. b The cell death rate in IDD NP tissues was significantly higher than that in normal ones, as indicated by the TUNEL assay. **P < 0.01, n = 4