Abstract:
:There has been much recent interest in the protein "corona," the nonspecific adsorption of proteins on the surface of nanoparticles used in biological applications. This research investigates an analogous DNA corona. We find that particles (200 nm and 1 μm) incubated with DNA form a DNA corona, with a higher concentration of DNA adsorbed on the surface of cationic nanoparticles. With protein present, a combined DNA and protein corona is formed although DNA in solution displaces protein from the nanoparticle surface. Displacement of protein from the nanoparticle surface is dependent on the concentration of DNA in solution and was also observed for planar surfaces. Overall, we expect this investigation of the DNA corona to be important for nanomedicine applications, as well as disease states, especially systemic lupus erythematosus, in which biological particles with bound DNA are important mediators of inflammation and thrombosis.
journal_name
Biointerphasesjournal_title
Biointerphasesauthors
Griffith DM,Jayaram DT,Spencer DM,Pisetsky DS,Payne CKdoi
10.1116/6.0000439subject
Has Abstractpub_date
2020-10-01 00:00:00pages
051006issue
5eissn
1934-8630issn
1559-4106journal_volume
15pub_type
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