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. 2018 Jul;59(8):3608–3618. doi: 10.1167/iovs.18-24101

Figure 4.

Figure 4

qRT-PCR and ELISA verification of the suppression of VEGFA by ascorbate. (A) The inhibition of ascorbate on VEGFA transcription was validated in a second batch of ARPE-19 cells treated with ascorbate (50 μM). (B) The transcription of Vegfa (homologue of VEGFA) in RPE-J cells was inhibited by ascorbate (50 μM) treatment. (C) ELISA results show that ascorbate time-dependently decreases the levels of VEGF protein in the conditioned culture medium. (D) ELISA testing shows that ascorbate dose-dependently decreases the levels of VEGF in the conditioned culture medium (***P < 0.001).