A novel approach to monitor intracellular degradation kinetics of poly(lactide-co-glycolide) nanoparticles by means of flow cytometry.
@article{Romero2014ANA,
title={A novel approach to monitor intracellular degradation kinetics of poly(lactide-co-glycolide) nanoparticles by means of flow cytometry.},
author={Gabriela Romero and Mar{\'i}a Echeverr{\'i}a and Yuan Qiu and Richard A Murray and Sergio Enrique Moya},
journal={Journal of materials chemistry. B},
year={2014},
volume={2 7},
pages={
826-833
}
}The intracellular degradation of poly(lactide-co-glycolide) (PLGA) nanoparticles (NPs) is studied by means of flow cytometry (FACS). NPs are prepared with PLGA of two different ratios of the d,l-lactide and glycolide blocks: 85 : 15 and 65 : 35. PLGA molecules are labelled with rhodamine B. Flow cytometry is first used to follow the degradation of PLGA NPs in PBS over time by measuring the decrease in fluorescence per particle. The 85 : 15 PLGA NPs progressively degrade during the first 10 days…
5 Citations
Monitoring the intracellular transformation process of surface-cleavable PLGA particles containing disulfide bonds by fluorescence resonance energy transfer.
- Biology, ChemistryJournal of materials chemistry. B
- 2015
The results suggest that the responsive behaviors of the particles obtained in simulated buffer may not match fully/correctly with the real situation in a complicated intracellular environment.
Degradation of Drug Delivery Nanocarriers and Payload Release: A Review of Physical Methods for Tracing Nanocarrier Biological Fate
- BiologyPharmaceutics
- 2021
Techniques for tracing the fate of nanocarriers, focusing on nanoccarrier degradation and drug release both intracellularly and in vivo are reviewed, as well as the efficacy of the payload delivery in vivo.
Physiological Degradation Mechanisms of PLGA Membrane Films under Oxygen Plasma Treatment
- Engineering
- 2015
Degradation under simulated physiological conditions of poly(lactic-co-glycolic) (PLGA) copolymer membrane films subjected to an oxygen plasma treatment compared to its “as prepared” state has been…
Fluorescently labelled nanomaterials in nanosafety research: Practical advice to avoid artefacts and trace unbound dye
- Chemistry, Biology
- 2018
Branched amphiphilic peptide capsules: cellular uptake and retention of encapsulated solutes.
- BiologyBiochimica et biophysica acta
- 2014
References
SHOWING 1-10 OF 30 REFERENCES
Surface engineered Poly(lactide-co-glycolide) nanoparticles for intracellular delivery: uptake and cytotoxicity--a confocal raman microscopic study.
- Chemistry, Materials ScienceBiomacromolecules
- 2010
It was found that PLGA NPs preferentially colocalize with lipid bodies, and cell viability studies by means of quick cell counting solution and MTT tests in several cell lines show a generally low toxicity for both PEI and BSA stabilized PLGANPs, with BSA stabilization having an even lower toxicity than PEI stabilized.
Raman imaging of PLGA microsphere degradation inside macrophages.
- ChemistryJournal of the American Chemical Society
- 2004
The results show that ingested microspheres degrade in a heterogeneous manner, with a more rapid degradation in the center, and it is demonstrated that the chemical composition of degrading polymers inside cells can be probed by Raman spectral imaging.
ROS-inducing potential, influence of different porogens and in vitro degradation of poly (D,L-lactide-co-glycolide)-based material
- Materials Science
- 2011
Porous, poly(D,L-lactide-co-glycolide) (PLGA) materials were prepared by physicochemical solvent/non-sol- vent method with polyvinyl pyrrolidone (PVP) as a stabilizer and with silicone oil, paraffin,…
Polymer degradation and in vitro release of a model protein from poly(D,L-lactide-co-glycolide) nano- and microparticles.
- EngineeringJournal of controlled release : official journal of the Controlled Release Society
- 2003
Poly(Lactic-co-Glycolic) Acid as a Carrier for Imaging Contrast Agents
- Chemistry, BiologyPharmaceutical Research
- 2008
The biodegradable polymer PLGA is an extremely versatile nano- and micro-carrier for several imaging contrast agents with the possibility of targeting diseased states at a molecular level.
Nano/micro technologies for delivering macromolecular therapeutics using poly(D,L-lactide-co-glycolide) and its derivatives.
- Biology, ChemistryJournal of controlled release : official journal of the Controlled Release Society
- 2008
Sustained delivery and expression of DNA encapsulated in polymeric nanoparticles
- Biology, EngineeringGene Therapy
- 2000
In vitro transfection by pDNA-NP resulted in significantly higher expression levels in comparison to naked pDNA, and plasmid DNA-NP treatment exhibited increased AP expression after 7 and 28 days indicating sustained activity of the NP.
Coupling of biotin-(poly(ethylene glycol))amine to poly(D,L-lactide-co-glycolide) nanoparticles for versatile surface modification.
- Chemistry, BiologyBioconjugate chemistry
- 2007
This work introduces a method for versatile conjugation of targeting moieties to the surface of preformed, polymeric NP, taking advantage of biotin-avidin interactions and opens the additional possibility of a rapid fluorescence labeling of NP.
Size-Dependency of DL-Lactide/Glycolide Copolymer Particulates for Intra-Articular Delivery System on Phagocytosis in Rat Synovium
- Biology, MedicinePharmaceutical Research
- 2004
PLGA nanospheres should be more suitable for delivery to inflamed synovial tissue than microspheres due to their ability to penetrate the synovium, and can provide local-therapy action in joint diseases in a different manner depending on the size of the system.
Biodegradable nanoparticles for drug and gene delivery to cells and tissue.
- Biology, ChemistryAdvanced drug delivery reviews
- 2003