NRGN and Stroke: The vascular area fraction in the region around the stroke core was increased more than 1.5-fold (VEGF: 0.134 ± 0.019, p = 0.004; a-Ng-Ab: 0.132 ± 0.039, p = 0.012; Comb: 0.143 ± 0.023, p = 0.001) compared to controls (Ctrl-Ab: 0.078 ± 0.019).