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A) Schematic representation of the experimental procedure. B) Immunofluorescence on matrigel sections showing the incorporation of GFP+ Lin- c-kit+ Flk-1+ cells into vessels (arrowheads). Yellow and orange insets show magnification of GFP+ cells. Green: GFP; Red: VE-Cadherin; Blue: DAPI. Scale bar 50 µm.
