Representative images of NF-kB p65+ microglia in mouse hippocampus. (A) Shows representative IHC section stained for CD11b+ (red) and p65+ (brown) microglia (B) shows the mean optical density of the 3,3′-DAB-positive cells depicting p65 microglia in groups of vehicle or indicated compound-treated mice. Abbreviations: NF-kB, nuclear factor-kappa B; CP, control peptide; GA, glucocorticoid induced leucine zipper analogs; DAB, diaminobenzidine; IHC, immunohistochemistry.