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This study investigates the effect of surface cross-linked heparin on vascular endothelial growth factor (VEGF)-mediated angiogenesis in porous polycaprolactone (PCL) scaffolds in vivo. We tested the hypothesis that VEGF delivered by scaffolds coated with a sub-micron thick layer of immobilized heparin would accelerate angiogenesis. The bioactivity of retained VEGF was confirmed by its phosphorylation...
A significant stumbling block in the creation of functional three-dimensional (3D) engineered tissues is the proper vascularization of the constructs. Furthermore, in the context of electrospinning, the development of 3D constructs using this technique has been hindered by the limited infiltration of cells into their structure. In an attempt to address these issues, a hybrid mesh of poly (ɛ-caprolactone)-collagen...
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