Lipid Shell-Enveloped Polymeric Nanoparticles with High Integrity of Lipid Shells Improve Mucus Penetration and Interaction with Cystic Fibrosis-Related Bacterial Biofilms

ACS Applied Materials & Interfaces
Feng WanHanne M Nielsen

Abstract

Nanoparticle (NP) mediated drug delivery into viscous biomatrices, e.g., mucus and bacterial biofilms, is challenging. Lipid shell-enveloped polymeric NPs (Lipid@NPs), composed of a polymeric NP core coated with a lipid shell, represent a promising alternative to the current delivery systems. Here, we describe the facile methods to prepare Lipid@NPs with high integrity of lipid shells and demonstrate the potential of Lipid@NPs in an effective mucus penetration and interaction with cystic fibrosis-related bacterial biofilms. Lipid shell-enveloped polystyrene NPs with high integrity of lipid shells ( cLipid@PSNPs) were prepared by using an electrostatically mediated layer-by-layer approach, where the model polystyrene NPs (PSNPs) were first modified with positively charged poly-l-lysine (PLL) and 1,2-dioleoyl-3-trimethylammonium-propane (DOTAP), followed by subsequent fusion with zwitterionic, PEGylated small unilamellar vesicles (SUVs). The interaction of the PSNPs with SUVs was significantly enhanced by modifying the PSNPs with PLL and DOTAP, which eventually resulted in the formation of cLipid@PSNPs, i.e., Lipid@PLL-PSNPs and Lipid@DOTAP-PSNPs. Improved mucus-penetrating property of cLipid@PSNPs was demonstrated by quartz crys...Continue Reading

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Citations

Jul 26, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Amal G Al-Bakri, Nouf N Mahmoud
Apr 3, 2021·Frontiers in Pharmacology·Katelin M AllanShafagh A Waters
Apr 13, 2021·Advanced Drug Delivery Reviews·Stine Egebro BirkLine Hagner Nielsen
Oct 5, 2021·Journal of Biomaterials Science. Polymer Edition·Sanam Sadeghi MohammadiHossein Naderi-Manesh

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