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Surface antibody changes protein corona both in human and mouse serum but not final opsonization and elimination of targeted polymeric nanoparticles

Nanoparticles represent one of the most important innovations in the medical field. Among nanocarriers, polymeric nanoparticles (PNPs) attracted much attention due to their biodegradability, biocompatibility, and capacity to increase efficacy and safety of encapsulated drugs. Another important impro...

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Main Authors: Capolla, Sara (Author) , Colombo, Federico (Author) , Maso, Luca De (Author) , Mauro, Prisca (Author) , Bertoncin, Paolo (Author) , Kähne, Thilo (Author) , Engler, Alexander (Author) , Núñez, Luis (Author) , Spretz, Ruben (Author) , Larsen, Gustavo (Author) , Bo, Michele Dal (Author) , Toffoli, Giuseppe (Author) , Macor, Paolo (Author)
Format: Article (Journal)
Language:English
Published: 14 October 2023
In: Journal of nanobiotechnology
Year: 2023, Volume: 21
ISSN:1477-3155
DOI:10.1186/s12951-023-02134-4
Online Access:Resolving-System, kostenfrei: https://dx.doi.org/10.1186/s12951-023-02134-4
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Author Notes:Sara Capolla, Federico Colombo, Luca De Maso, Prisca Mauro, Paolo Bertoncin, Thilo Kähne, Alexander Engler, Luis Núñez, Ruben Spretz, Gustavo Larsen, Michele Dal Bo, Giuseppe Toffoli and Paolo Macor
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Summary:Nanoparticles represent one of the most important innovations in the medical field. Among nanocarriers, polymeric nanoparticles (PNPs) attracted much attention due to their biodegradability, biocompatibility, and capacity to increase efficacy and safety of encapsulated drugs. Another important improvement in the use of nanoparticles as delivery systems is the conjugation of a targeting agent that enables the nanoparticles to accumulate in a specific tissue. Despite these advantages, the clinical translation of therapeutic approaches based on nanoparticles is prevented by their interactions with blood proteins. In fact, the so-formed protein corona (PC) drastically alters the biological identity of the particles. Adsorbed activated proteins of the complement cascade play a pivotal role in the clearance of nanoparticles, making them more easily recognized by macrophages, leading to their rapid elimination from the bloodstream and limiting their efficacy. Since the mouse is the most used preclinical model for human disease, this work compared human and mouse PC formed on untargeted PNPs (uPNPs) and targeted PNPs (tPNPs), paying particular attention to complement activation.
Item Description:Gesehen am 19.01.2024
Physical Description:Online Resource
ISSN:1477-3155
DOI:10.1186/s12951-023-02134-4

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