Helmholtz Gemeinschaft


Exploring mechanisms of lipid nanoparticle-mucus interactions in healthy and cystic fibrosis conditions

PDF (Original Article) - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader
[img] Other (Supporting Information)

Item Type:Article
Title:Exploring mechanisms of lipid nanoparticle-mucus interactions in healthy and cystic fibrosis conditions
Creators Name:Tafech, B. and Rokhforouz, M.R. and Leung, J. and Sung, M.M. and Lin, P.J. and Sin, D.D. and Lauster, D. and Block, S. and Quon, B.S. and Tam, Y. and Cullis, P. and Feng, J.J. and Hedtrich, S.
Abstract:Mucus forms the first defense line of human lungs, and as such hampers the efficient delivery of therapeutics to the underlying epithelium. This holds particularly true for genetic cargo such as CRISPR-based gene editing tools which cannot readily surmount the mucosal barrier. While lipid nanoparticles (LNPs) emerge as versatile non-viral gene delivery systems that can help overcome the delivery challenge, many knowledge gaps remain, especially for diseased states such as cystic fibrosis (CF). This study provides fundamental insights into Cas9 mRNA or ribonucleoprotein-loaded LNP-mucus interactions in healthy and diseased states by assessing the impact of the genetic cargo, mucin sialylation, mucin concentration, ionic strength, pH, and polyethylene glycol (PEG) concentration and nature on LNP diffusivity leveraging experimental approaches and Brownian dynamics (BD) simulations. Taken together, this study identifies key mucus and LNP characteristics that are critical to enabling a rational LNP design for transmucosal delivery.
Keywords:Brownian Dynamics Simulation, Cystic Fibrosis, Lipid Nanoparticles, Particle Diffusivity, Transmucosal Delivery
Source:Advanced Healthcare Materials
Page Range:2304525
Date:2 April 2024
Official Publication:https://doi.org/10.1002/adhm.202304525
PubMed:View item in PubMed

Repository Staff Only: item control page


Downloads per month over past year

Open Access
MDC Library