Fig. 3From: Translational development of ABCB5+ dermal mesenchymal stem cells for therapeutic induction of angiogenesis in non-healing diabetic foot ulcersTube formation assays. A Human ABCB5+ MSCs and B HUVECs were cultured for 18–20 h on Geltrex™ matrix. Calcein staining (green) demonstrates viability (i.e., metabolic activity) of tubular structure-forming cellsBack to article page