title: The evolution of the protein corona around nanoparticles: a test study.
abstract: The importance of the protein corona formed around nanoparticles upon entering a biological fluid has recently been highlighted. This corona is, when sufficiently long-lived, thought to govern the particles' biological fate. However, even this long-lived "hard" corona evolves and re-equilibrates as particles pass from one biological fluid to another, and may be an important feature for long-term fate. Here we show the evolution of the protein corona as a result of transfer of nanoparticles from one biological fluid (plasma) into another (cytosolic fluid), a simple illustrative model for the uptake of nanoparticles into cells. While no direct comparison can be made to what would happen in, for example, the uptake pathway, the results confirm that significant evolution of the corona occurs in the second biological solution, but that the final corona contains a "fingerprint" of its history. This could be evolved to map the transport pathways utilized by nanoparticles, and eventually to predict nanoparticle fate and behavior.
authors.affiliation: Centre for BioNano Interactions, School of Chemistry and Chemical Biology, University College Dublin, Dublin, Ireland. Martin.Lundqvist@biochemistry.lu.se
authors.forename: Martin
authors.initials: M
authors.lastname: Lundqvist
authors.forename: Johannes
authors.initials: J
authors.lastname: Stigler
authors.forename: Tommy
authors.initials: T
authors.lastname: Cedervall
authors.forename: Tord
authors.initials: T
authors.lastname: Berggård
authors.forename: Michelle B
authors.initials: MB
authors.lastname: Flanagan
authors.forename: Iseult
authors.initials: I
authors.lastname: Lynch
authors.forename: Giuliano
authors.initials: G
authors.lastname: Elia
authors.forename: Kenneth
authors.initials: K
authors.lastname: Dawson
mesh_terms: D004591:Electrophoresis, Polyacrylamide Gel; D006367:HeLa Cells; D006801:Humans; D053758:Nanoparticles; D011506:Proteins / Q000737:chemistry*
chemical_list: D011506:Proteins