Fig. 7From: Targeting CXCR4 by a selective peptide antagonist modulates tumor microenvironment and microglia reactivity in a human glioblastoma modelEffects of peptide R on the co-expression of iNOS and Arg-1 enzymes in glioma associated macrophages/microglial cells. Immunofluorescence analyses of iNOS (red) and Arg-1 (green) performed on brain slices of vehicle-treated (CTRL), peptide R- or Plerixafor-treated mice. The insert in the peptide R-treated sample is a magnification of the area indicated by the arrows. Scale bars, 50 μmBack to article page