Figure 1

Cathepsin K expression and stages of disc degeneration. Cathepsin K gene expression was significantly greater in annulus tissue from more degenerated discs than in healthier discs (P = 0.001). Data are means ± s.e.m.
Cathepsin K expression and stages of disc degeneration. Cathepsin K gene expression was significantly greater in annulus tissue from more degenerated discs than in healthier discs (P = 0.001). Data are means ± s.e.m.