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Tissue sections were stained utilizing an anti-Desmin antibody. Keratose only explants revealed no desmin positive staining cell within the hydrogel. Positive staining for desmin was observed in all keratose samples containing MPCs. As time increased the hydrogel was degraded and replaced with desmin positive cells. White arrows indicate the presence of KOS gels while black arrows indicate desmin positive cells at the 4 week time point.
