Research Article

Melatonin Inhibits Annulus Fibrosus Cell Senescence through Regulating the ROS/NF-κB Pathway in an Inflammatory Environment

Figure 5

Analysis of protein expression of p16 and p53. Protein expression of p16 and p53 in annulus fibrosus (AF) cells was analyzed by western blot assay. (a) Protein bands of GAPDH, p16, and p53. (b, c) Densitometry analysis of p16 and p53. All data are expressed as (). &Indicates a statistical difference ().
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