FIGURE 3.

EGCG inhibits H₂O₂-induced NPCs apoptosis. (A) NPC apoptosis levels in every treatment group was measured by TUNEL assay, and (B) TUNEL-positive cells were quantified. (C) Western blot assay for cleaved caspase3, Bax, as well as Bcl-2 expression levels following treatment with varying EGCG doses (with or without 300 μM H₂O₂ treatment) for 24 h. (D) Levels of various signal intensities. GAPDH was the loading control. Data are shown as mean ± SD (n = 3). ^* p < 0.05, ^** p < 0.01.