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Increased MMP-2 and MMP-9 expression in corneas implanted with pellets containing VEGF. MMP-2 and MMP-9 levels in three corneas implanted with pellets containing VEGF or control buffer were analyzed by zymography (A). In situ zymography analysis of corneas 24 hours following implantation with control pellets (B, D) and VEGF pellets (C, E). Asterisks indicate the location of pellets.
