Journal
BIOMATERIALS
Volume 35, Issue 22, Pages 5954-5964Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biomaterials.2014.03.082
Keywords
Alzheimer's disease; Blood-brain barrier; Lactoferrin; Neuron growth factor; Liposome; SK-N-MC cell
Funding
- Ministry of Science and Technology of the Republic of China
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A liposomal system with surface lactoferrin (Lf) was developed for delivering neuron growth factor (NGF) across the blood-brain barrier (BBB) and improving the viability of neuron-like SK-N-MC cells with deposited beta-amyloid peptide (A beta). The Lf-grafted liposomes carrying NGF (Lf/NGF-liposomes) were applied to a monolayer of human brain-microvascular endothelial cells (HBMECs) regulated by human astrocytes (HAs) and to fibrillar A beta(1-42)-insulted SK-N-MC cells. An increase in cholesterol mole percentage enhanced the particle size, absolute value of zeta potential, and physical stability, however, reduced the entrapment efficiency and release rate of NGF. In addition, an increase in Lf concentration increased the particle size, surface nitrogen percentage, NGF permeability across the BBB, and viability of HBMECs, HAs, and SK-N-MC cells, however, decreased the absolute value of zeta potential, surface phosphorus percentage, and loading efficiency of LE After treating with Lf/NGF-liposomes, a higher A beta concentration yielded a lower survival of SK-N-MC cells. The current Lf/NGF-liposomes are efficacious drug carriers to target the BBB and inhibit the AP-induced neurotoxicity as potential pharmacotherapy for Alzheimer's disease. (C) 2014 Elsevier Ltd. All rights reserved.
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