Figure 3. Protective effect of EGCG on
ARPE19 cells after UVA radiation exposure. ARPE19 cells were pretreated
with EGCG for 2 h before being exposed to UVA radiation. Cell viability
was determined by MTT assay 24 h after UVA irradiation (20 J/cm2).
The control group means the cells were not neither treated with EGCG
nor exposed to UVA radiation. The results are expressed as percentage
of control and are represented by mean±SEM (n=4). The asterisk
indicates p<0.05 versus UVA-exposed cells without EGCG pretreatment.
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