Fig. 7: Immunohistochemical (IHC) staining and quantitative analysis of rat intervertebral disk sections.

A–C IHC staining and quantification of target proteins in intervertebral disk sections; scale bar: 50 µm. Data are presented as means ± standard deviations; ns nonsignificant; *p < 0.05; **p < 0.01; ***p < 0.001; ****p < 0.0001.