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Immunohistochemical staining of VEGF (left column) and FGF2 immunoreactivities (right column).
1, 2, 3, 7, and 14 days after the introduction of plasmid pBud-coVEGF165-coFGF2. Control: Sciatic nerve on the 3rd day post-injection with phosphate buffer saline. Cross sections of the sciatic nerve of a rat. Red staining corresponds to a positive reaction with antibodies against VEGF and FGF2. Scale bars: 50 μm. FGF2: Fibroblast growth factor 2; VEGF: vascular endothelial growth factor
