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Neves, Ana Rute; Queiroz, Joana Fontes; Reis, Salette
Journal of nanobiotechnology, 04/2016, Letnik: 14, Številka: 1Journal Article
The present study takes advantage of the beneficial effects of resveratrol as a neuroprotective compound. Resveratrol-loaded solid lipid nanoparticles were functionalized with apolipoprotein E which can be recognized by the LDL receptors overexpressed on the blood-brain barrier. Transmission electron microscopy images revealed spherical nanoparticles, dynamic light scattering gave a Z-average lower than 200 nm, and a zeta potential of around -13 mV and very high resveratrol entrapment efficiency (ca. 90 %). In vitro cytotoxic effects were assessed by MTT and LDH assays in hCMEC/D3 cell line and revealed no toxicity up to 50 μM over 4 h of incubation. The permeability through hCMEC/D3 monolayers showed a significant increase (1.8-fold higher) for resveratrol-loaded solid lipid nanoparticles functionalized with apolipoprotein E when compared to non-functionalized ones. In conclusion, these nanosystems might be a promising strategy for resveratrol delivery into the brain, while protecting it from degradation in the blood stream. Graphical abstract .
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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