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- Title
Modularity of RBC hitchhiking with polymeric nanoparticles: testing the limits of non-covalent adsorption.
- Authors
Lenders, Vincent; Escudero, Remei; Koutsoumpou, Xanthippi; Armengol Álvarez, Laura; Rozenski, Jef; Soenen, Stefaan J.; Zhao, Zongmin; Mitragotri, Samir; Baatsen, Pieter; Allegaert, Karel; Toelen, Jaan; Manshian, Bella B.
- Abstract
Red blood cell (RBC) hitchhiking has great potential in enhancing drug therapy, by improving targeting and reducing rapid clearance of nanoparticles (NPs). However, to improve the potential for clinical translation of RBC hitchhiking, a more thorough understanding of the RBC-NP interface is needed. Here, we evaluate the effects of NP surface parameters on the success and biocompatibility of NP adsorption to extracted RBCs from various species. Major differences in RBC characteristics between rabbit, mouse and human were proven to significantly impact NP adsorption outcomes. Additionally, the effects of NP design parameters, including NP hydrophobicity, zeta potential, surfactant concentration and drug encapsulation, on RBC hitchhiking are investigated. Our studies demonstrate the importance of electrostatic interactions in balancing NP adsorption success and biocompatibility. We further investigated the effect of varying the anti-coagulant used for blood storage. The results presented here offer new insights into the parameters that impact NP adsorption on RBCs that will assist researchers in experimental design choices for using RBC hitchhiking as drug delivery strategy.
- Subjects
HITCHHIKING; ERYTHROCYTES; ADSORPTION (Chemistry); ZETA potential; NANOPARTICLES
- Publication
Journal of Nanobiotechnology, 2022, Vol 20, Issue 1, p1
- ISSN
1477-3155
- Publication type
Article
- DOI
10.1186/s12951-022-01544-0