Yung-Chih Kuo and Chien-Wei Tsao
A drug delivery system of quercetin (QU)- exemplified liposomes (LS) united with RMP-7, a bradykinin simple, and lactoferrin (Lf) was produced for saturating the blood–mind hindrance (BBB) and saving declined neurons as an Alzheimer's malady (AD) pharmacotherapy. This colloquial plan of RMP-7-Lf-QU-LS was utilized to navigate human mind microvascular endothelial cells (HBMECs) controlled by human astrocytes (HAs) and to treat SK-N-MC cells after an affront with cytotoxic β-amyloid (Aβ) fibrils. We found that surface RMP-7 and Lf upgraded the penetrability for QU over the BBB without actuating solid poisonousness and harming the tight intersection. Furthermore, RMP-7-Lf-QU-LS altogether decreased Aβ-initiated neurotoxicity and improved the feasibility of SK-N-MC cells. Contrasted and free QU, RMP-7-Lf-QU-LS could likewise fundamentally hinder the statement of phosphorylated p38 and phosphorylated tau protein at serine 202 by SK-N-MC cells, demonstrating a significant job of RMP-7, Lf and LS in ensuring neurons against apoptosis. RMP-7-Lf-QU-LS are promising transporters in focusing on the BBB to forestall Aβ-offended neurodegeneration and can be potential for overseeing AD in future clinical application.