p-Coumaric Acid Protects Human Lens Epithelial Cells against Oxidative Stress-Induced Apoptosis by MAPK Signaling

Figure 4

p-CA enhanced the activities of T-SOD, CAT, and GSH-Px in H₂O₂-treated HLE cells. HLE cells were pretreated on p-CA (3, 10, and 30 μM) for 2 h before 275 μM H₂O₂ treatment for 24 h. The activities of T-SOD (a), CAT (b), and GSH-Px (c) were measured by commercial assay kits. Data were expressed as the mean ± SEM (). , compared with the untreated control group; and , compared with the H₂O₂-treated group.

(a)

(b)

(c)