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Immunohistochemical evaluation of cell ingrowth and ECM production after in vitro culture of the ElastinGrafts with SMCs. Analysis of the ElastinGraft and a native human artery from the umbilical cord, showing staining for alpha-SMA, collagen I, collagen III, fibronectin, fibrillin I, and elastin. Negative controls (absence of the primary antibody) for all markers showed undetectable levels of staining.
