4.7 Article

Dextran/poly-L-arginine multi-layered CaCO3-based nanosystem for vascular drug delivery

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出版社

ELSEVIER
DOI: 10.1016/j.ijbiomac.2021.02.058

关键词

Cardiovascular diseases; Targeted therapy; Immuno-nanoparticles; Layer-by-layer; Calcium carbonate

资金

  1. Fondi di Ricerca di Ateneo (FRA) 2018 by University of Genoa

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The development of heterogeneous drug delivery systems offers innovative strategies for targeted therapy of common pathologies, while multi-layered calcium carbonate nanoparticles show promise for applications in the cardiovascular field.
The development of heterogeneous drug delivery systems leads to innovative strategies for targeted therapy of common pathologies, such as cancer, immunological and neurological disorders. Nowadays, it is possible to choose among a great variety of nanoparticles on the basis of the needs they have to satisfy. However, a candidate for the treatment of cardiovascular pathologies is still missing. In this context, a targeted therapy implies the conceptualization of nanoparticles that take active part in the treatment of vascular pathologies. The aim of this work was to provide a method to produce multi-layered calcium carbonate (CaCO3) nanoparticles encapsulating a model protein, bovine serum albumin, with model antibodies on their surface. CaCO3 nanoparticles were produced by the combination of complex coacervation and mineralization and were engineered using layer by-layer technique with a polysaccharide, dextran sulfate, and a homo-poly-amino acid, poly-L-arginine. Morphology, biocompatibility, cellular uptake, influence on cell expression of the inflammatory marker matrix metalloproteinase-9, and hemocompatibility of the nanoparticles were studied. The presence of the dextran/ poly-L-arginine layers did not negatively affect the nanoparticle overall characteristics and they did not trigger proinflammatory response in vitro. Taking together all the obtained results, we consider the proposed CaCO3 nanoparticles as a promising tool in cardiovascular field. (C) 2021 Elsevier B.V. All rights reserved.

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