Fig. 5

Modeling of cellular senescence and degeneration and expression of Igfbp3 protein. (A) Identification of NPCs. (B) Western blot analysis of Col2a1, Mmp13, Igfbp3,P21 and P16 protein levels in NPCs treated with different concentrations of IL-1β. (C) SA-β-Gal staining of NPCs treated with or without.