ITGAV and Barrett esophagus: Indeed, the use of integrin αvβ3/CD51-targeted epirubicin-loaded RGB NIR self-assembled peptide nanoparticles (RGB-f-PNPs; diameter: 30 nm) was recently reported in a subcutaneous xenograft model of EAC for theranostic purposes [44], but the absence of non-dysplastic BE in the model is a notable limitation.