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Degradation of EL scaffolds in vivo. A) Gel image showing MMPs 2 and 9 in EL-Gel scaffolds 7day (Lane 1), EL-Gel scaffolds 28day (Lane 2), EL-Gel-FGF scaffolds 7day (Lane 3) and EL-Gel-FGF scaffolds 28day (Lane 4). B) VVG stain for elastic fibers. Arrows indicate degraded fibers on abluminal side (EL-Gel-FGF) at 28 days. Degradation was observed in both EL-Gel and EL-Gel-FGF samples at 28 days. Original magnification 200 X.
