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Morphology-Dependent Interaction of Silica Nanoparticles with Intestinal Cells: Connecting Shape to Barrier Function

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Title
Morphology-Dependent Interaction of Silica Nanoparticles with Intestinal Cells: Connecting Shape to Barrier Function
Author(s)
Iriarte-Mesa, Claudia; Jobst, Maximilian; Bergen, Janice; Kiss, Endre; Ryoo, Ryong; Jeong-Chul Kim; Crudo, Francesco; Marko, Doris; Kleitz, Freddy; Del Favero, Giorgia
Publication Date
2023-07
Journal
NANO LETTERS, v.23, no.16, pp.7758 - 7766
Publisher
AMER CHEMICAL SOC
Abstract
The intestinal compartment ensures nutrient absorptionand barrierfunction against pathogens. Despite decades of research on the complexityof the gut, the adaptive potential to physical cues, such as thosederived from interaction with particles of different shapes, remainsless understood. Taking advantage of the technological versatilityof silica nanoparticles, spherical, rod-shaped, and virus-like materialswere synthesized. Morphology-dependent interactions were studied ondifferentiated Caco-2/HT29-MTX-E12 cells. Contributions of shape,aspect ratio, surface roughness, and size were evaluated consideringthe influence of the mucus layer and intracellular uptake pathways.Small particle size and surface roughness favored the highest penetrationthrough the mucus but limited interaction with the cell monolayerand efficient internalization. Particles of a larger aspect ratio(rod-shaped) seemed to privilege paracellular permeation and increasedcell-cell distances, albeit without hampering barrier integrity.Inhibition of clathrin-mediated endocytosis and chemical modulationof cell junctions effectively tuned these responses, confirming morphology-specificinteractions elicited by bioinspired silica nanomaterials.
URI
https://pr.ibs.re.kr/handle/8788114/13926
DOI
10.1021/acs.nanolett.3c00835
ISSN
1530-6984
Appears in Collections:
Center for Nanomaterials and Chemical Reactions(나노물질 및 화학반응 연구단) > 1. Journal Papers (저널논문)
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