Liposome protein corona characterization as a new approach in nanomedicine
2019
Capriotti, Anna Laura | Cavaliere, Chiara | Piovesana, Susy
This trends article describes the analytical approaches for the in-depth characterization of the protein corona on liposome nanoparticles. In particular, examples since 2014 are summarized according to the analytical approach. Traditional protein corona characterizations from in vitro static experiments are provided along with the newly introduced experimental setups for characterization of the protein corona by in vitro dynamic and in vivo studies. Additionally, a special attention is also devoted to the need for introduction of new experimental workflows for characterization of a much wider array of biomolecules. In the most recent years, an extension of the protein corona concept to the biomolecular corona was introduced, and the analytical targets are no longer restricted to proteins, but to other important biomolecules as well, as they can potentially affect the biodistribution and interaction of nanoparticles with the biological systems. The few recent examples in this field are discussed for the characterization of metabolites and lipids in the biomolecular corona with examples, also extending the discussion from liposome to other types of nanoparticles. A final discussion is provided on the potential key role of the most recent omics approaches in the study of the nano-bio interface, with an overview on top-down proteomics, which allows a better elucidation of proteoforms, and on lipidomics and metabolomics, which allow a comprehensive untargeted characterization of lipids and metabolites, respectively. Graphical abstract
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