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Figure 7 Measurement of VEGF Production and mRNA Levels by Q-PCR at 14- and 28-Day Stent Implants

(A) Vascular endothelial growth factor (VEGF) secretion from stents (harvested at 14 and 28 days) maintained in organoid culture over 48 h showed a significant increase in SES, PES, and ZES relative to EES and BMS. (B) Concordant quantitative polymerase chain reaction (Q-PCR) analysis of VEGF messenger ribonucleic acid (mRNA) levels matches with DES showing higher released amounts of VEGF at 14 days.