Cited by 161Advanced Drug Delivery SystemsNanoparticle-Based Drug DeliveryDrug Solubulity and Delivery Systems

Poly (lactide-co-glycolide) particles of different physicochemical properties and their uptake by peyer's patches in mice

Shakweh, Monjed, Besnard, Madeleine, Nicolas, Valérie, Fattal, Elias·2005·European Journal of Pharmaceutics and Biopharmaceutics

Abstract

Nano-and microparticles of poly(lactide-co-glycolide) (PLGA) were formulated using poly(vinyl alcohol) (PVA) or hydrophobically modified hydroxyethylcellulose (HMHEC) or polyethyleneimine (PEI) as stabilizers. The uptake by murine Peyer's patches (PPs) and the binding to Peyer's patches-free tissue (PPFT) of these particles was investigated using fluorescence microscopy providing qualitative information about the tissue distribution of particles. Observations of intestinal cryo-sections showed significant discrimination in the uptake by PP of nano-and microparticles. The uptake by PPs of PLGA-PVA and PLGA-HMHEC nano-and microparticles, of negative and neutral zeta potential, respectively, was comparable, whereas a smaller number was observed in the case of nano-and microparticles of PLGA-PEI, positively charged. Moreover, particle uptake by PPs appeared to be strongly size-dependent. The number of particles of mean diameter around 0.3 and 1 microm observed in PPs was much greater than that of particles of diameter average close to 3 microm. However, in all cases, particles were found in the PPFT for at least 48 h. In conclusion, regarding the tissue samples we have observed, it appeared that the uptake of particles by PPs and binding to PPFT could be influenced by the physicochemical properties of the particles but this may not have been true at all sites of the intestine and may differ between animals.

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Crossref · 10.1016/j.ejpb.2005.04.006

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  • Particle size is pivotal for stability, distribution, release of encapsulated antigens, and induction of immune responses.

    “The particles’ size is pivotal for stability, distribution, release of the encapsulated antigens and induction of immune responses [36,37].”

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Authors
Shakweh, M., Besnard, M., Nicolas, V., & Fattal, E.
Affiliations
Université Paris-Sud (FR)
Venue
European Journal of Pharmaceutics and Biopharmaceutics
Publisher
Elsevier BV
Published
2005-09
Volume
61
Issue
1-2
Pages
1-13
ISSN
0939-6411 (ISSN-L)
OpenAlex
W1984520012
Cited by
161
References
27
Citations by year
2026: 2 · 2025: 1 · 2024: 1 · 2023: 4 · 2022: 7 · 2021: 4 · 2020: 2 · 2019: 5 · 2018: 8 · 2017: 7 · 2016: 11 · 2015: 7 · 2014: 18 · 2013: 8 · 2012: 14
FWCI
7.82
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Pharmaceutics and Biopharmaceutics (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmaceutical Science › Advanced Drug Delivery Systems
  • Physical Sciences › Materials Science › Biomaterials › Nanoparticle-Based Drug Delivery
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmaceutical Science › Drug Solubulity and Delivery Systems
Keywords
poly(lactic-co-glycolic acid), PLGA nanoparticles, PLGA microspheres, Peyer's patches, particle uptake, polyvinyl alcohol, polyethyleneimine, zeta potential, particle size, oral drug delivery, intestinal mucosa
MeSH terms
Administration, Oral, Animals, Drug Carriers, Drug Stability, Male, Mice, Inbred Strains, Microscopy, Electron, Scanning, Particle Size, Peyer's Patches, Polyglactin 910, Surface Properties, Nanostructures, Mice

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