Quercetin (QU)-encapsulated liposomes (LS) containing RMP-7 (bradykinin analog) and lactoferrin (Lf) or (RMP-7-Lf-QU-LS) had the unique ability to cross the blood–brain barrier and enter a specific astrocytic location, where they could limit toxicity to human astrocytes and prevent AD [140]. This evidence concerns the gene LTF and Alzheimer disease.