Research Article

Protective Effect of Polygonatum sibiricum Polysaccharides on Apoptosis, Inflammation, and Oxidative Stress in Nucleus Pulposus Cells of Rats with the Degeneration of the Intervertebral Disc

Figure 4

Protective effect of PSP on oxidative stress in rat NPCs. (a) Detection of the intracellular reducing substance SOD. (b) Detection of intracellular oxidation product MDA. , compared with the blank group. &, compared with the H2O2 induction group.
(a)
(b)