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Cell viability in cultured HUVECs, measured with an MTT assay. Compared with the control, at 6 h, 100 μg/mL AGE-BSA reduces the viability of HUVECs. Pretreatment for 0.5 h with concentrations of PF ranging from 12.5-100 μmol/L increases cell viability in a dose-dependent manner. At 25 μmol/L, the protective effect of PF reaches a plateau. ***P < 0.001 vs. control; #P < 0.05 vs. AGE-BSA; ###P < 0.001 vs. AGE-BSA.
