Figure 5From: Antimicrobial peptide β-defensin-1 expression is upregulated in Alzheimer’s brain Immunocytochemical demonstration of redox-active iron deposits within the CP epithelium of the AD brain. Redox-active iron deposits are not detectable in the CP of age-matched control brain. Redox-active iron was detected using a modified Perl’s stain [30].Back to article page