Triantennary GalNAc-Functionalized Multi-Responsive Mesoporous Silica Nanoparticles for Drug Delivery Targeted at Asialoglycoprotein Receptor

Author:

Cordeiro Rosemeyre,Carvalho Ana,Durães LuísaORCID,Faneca HenriqueORCID

Abstract

In recent years, mesoporous silica particles have been revealed as promising drug delivery systems combining high drug loading capacity, excellent biocompatibility, and easy and affordable synthetic and post-synthetic procedures. In fact, the straightforward functionalization approaches of these particles allow their conjugation with targeting moieties in order to surpass one of the major challenges in drug administration, the absence of targeting ability of free drugs that reduces their therapeutic efficacy and causes undesired side effects. In this context, the main goal of this work was to develop a new targeted mesoporous silica nanoparticle formulation with the capability to specifically and efficiently deliver an anticancer drug to hepatocellular carcinoma (HCC) cells. To this purpose, and as proof of concept, we developed redox-responsive mesoporous silica nanoparticles functionalized with the targeting ligand triantennary N-acetylgalactosamine (GalNAc) cluster, which has high affinity to asialoglycoprotein receptors overexpressed in HCC cells, and loaded them with epirubicin, an anthracycline drug. The produced nanocarrier exhibits suitable physicochemical properties for drug delivery, high drug loading capacity, high biocompatibility, and targeting ability to HCC cells, revealing its biopharmaceutical potential as a targeted drug carrier for therapeutic applications in liver diseases.

Funder

Fundação para a Ciência e Tecnologia

Publisher

MDPI AG

Subject

Inorganic Chemistry,Organic Chemistry,Physical and Theoretical Chemistry,Computer Science Applications,Spectroscopy,Molecular Biology,General Medicine,Catalysis

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