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Pharmaceutics, volume 13, issue 8, pages 1145

Fluorescently Labeled PLGA Nanoparticles for Visualization In Vitro and In Vivo: The Importance of Dye Properties

Zhukova V 1
Osipova Nadezhda 1
Malinovskaya Julia 1
Melnikov Pavel A 2
Valikhov Marat 2
Porozov Yuri 3, 4
Solovev Yaroslav 5
Kuliaev Pavel 6
Zhang Enqi 7
Sabel Bernhard A. 7
Chekhonin Vladimir 2
Kreuter Jörg 9
Henrich-Noack Petra 7, 10
Maksimenko Olga 1
7
 
Institute of Medical Psychology, Otto-von-Guericke University, Leipziger Str. 44, 39120 Magdeburg, Germany
9
 
Institute of Pharmaceutical Technology, Biocenter, Goethe University, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
10
 
Clinic of Neurology with Institute of Translational Neurology, University Clinic Muenster, Mendel Str. 7, 48149 Muenster, Germany
Publication typeJournal Article
Publication date2021-07-27
Journal: Pharmaceutics
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor5.4
ISSN19994923
Pharmaceutical Science
Abstract

Fluorescently labeled nanoparticles are widely used for evaluating their distribution in the biological environment. However, dye leakage can lead to misinterpretations of the nanoparticles’ biodistribution. To better understand the interactions of dyes and nanoparticles and their biological environment, we explored PLGA nanoparticles labeled with four widely used dyes encapsulated (coumarin 6, rhodamine 123, DiI) or bound covalently to the polymer (Cy5.5.). The DiI label was stable in both aqueous and lipophilic environments, whereas the quick release of coumarin 6 was observed in model media containing albumin (42%) or liposomes (62%), which could be explained by the different affinity of these dyes to the polymer and lipophilic structures and which we also confirmed by computational modeling (log PDPPC/PLGA: DiI—2.3, Cou6—0.7). The importance of these factors was demonstrated by in vivo neuroimaging (ICON) of the rat retina using double-labeled Cy5.5/Cou6-nanoparticles: encapsulated Cou6 quickly leaked into the tissue, whereas the stably bound Cy.5.5 label remained associated with the vessels. This observation is a good example of the possible misinterpretation of imaging results because the coumarin 6 distribution creates the impression that nanoparticles effectively crossed the blood–retina barrier, whereas in fact no signal from the core material was found beyond the blood vessels.

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Zhukova V. et al. Fluorescently Labeled PLGA Nanoparticles for Visualization In Vitro and In Vivo: The Importance of Dye Properties // Pharmaceutics. 2021. Vol. 13. No. 8. p. 1145.
GOST all authors (up to 50) Copy
Zhukova V., Osipova N., Semyonkin A., Malinovskaya J., Melnikov P. A., Valikhov M., Porozov Y., Solovev Y., Kuliaev P., Zhang E., Sabel B. A., Chekhonin V., Abakumov M. A., Majouga A., Kreuter J., Henrich-Noack P., Gelperina S., Maksimenko O. Fluorescently Labeled PLGA Nanoparticles for Visualization In Vitro and In Vivo: The Importance of Dye Properties // Pharmaceutics. 2021. Vol. 13. No. 8. p. 1145.
RIS |
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RIS Copy
TY - JOUR
DO - 10.3390/pharmaceutics13081145
UR - https://doi.org/10.3390%2Fpharmaceutics13081145
TI - Fluorescently Labeled PLGA Nanoparticles for Visualization In Vitro and In Vivo: The Importance of Dye Properties
T2 - Pharmaceutics
AU - Osipova, Nadezhda
AU - Malinovskaya, Julia
AU - Melnikov, Pavel A
AU - Valikhov, Marat
AU - Solovev, Yaroslav
AU - Kuliaev, Pavel
AU - Zhang, Enqi
AU - Sabel, Bernhard A.
AU - Chekhonin, Vladimir
AU - Majouga, Alexander
AU - Kreuter, Jörg
AU - Henrich-Noack, Petra
AU - Maksimenko, Olga
AU - Zhukova, V
AU - Semyonkin, Aleksey
AU - Porozov, Yuri
AU - Abakumov, Maxim A.
AU - Gelperina, S.E
PY - 2021
DA - 2021/07/27 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 1145
IS - 8
VL - 13
PMID - 34452106
SN - 1999-4923
ER -
BibTex |
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BibTex Copy
@article{2021_Zhukova,
author = {Nadezhda Osipova and Julia Malinovskaya and Pavel A Melnikov and Marat Valikhov and Yaroslav Solovev and Pavel Kuliaev and Enqi Zhang and Bernhard A. Sabel and Vladimir Chekhonin and Alexander Majouga and Jörg Kreuter and Petra Henrich-Noack and Olga Maksimenko and V Zhukova and Aleksey Semyonkin and Yuri Porozov and Maxim A. Abakumov and S.E Gelperina},
title = {Fluorescently Labeled PLGA Nanoparticles for Visualization In Vitro and In Vivo: The Importance of Dye Properties},
journal = {Pharmaceutics},
year = {2021},
volume = {13},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {jul},
url = {https://doi.org/10.3390%2Fpharmaceutics13081145},
number = {8},
pages = {1145},
doi = {10.3390/pharmaceutics13081145}
}
MLA
Cite this
MLA Copy
Zhukova, V., et al. “Fluorescently Labeled PLGA Nanoparticles for Visualization In Vitro and In Vivo: The Importance of Dye Properties.” Pharmaceutics, vol. 13, no. 8, Jul. 2021, p. 1145. https://doi.org/10.3390%2Fpharmaceutics13081145.
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