Delivery of functional exogenous proteins by plant-derived vesicles to human cells in vitro

Abstract Plant-derived extracellular vesicles (EVs) gain more and more attention as promising carriers of exogenous bioactive molecules to the human cells. Derived from various edible sources, these EVs are remarkably biocompatible, biodegradable and highly abundant from plants. In this work, EVs fr...

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Autores principales: Luiza Garaeva, Roman Kamyshinsky, Yury Kil, Elena Varfolomeeva, Nikolai Verlov, Elena Komarova, Yuri Garmay, Sergey Landa, Vladimir Burdakov, Alexander Myasnikov, Ilya A. Vinnikov, Boris Margulis, Irina Guzhova, Alexander Kagansky, Andrey L. Konevega, Tatiana Shtam
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Publicado: Nature Portfolio 2021
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spelling oai:doaj.org-article:73fa49eb7021498780117d600e00ceee2021-12-02T13:24:26ZDelivery of functional exogenous proteins by plant-derived vesicles to human cells in vitro10.1038/s41598-021-85833-y2045-2322https://doaj.org/article/73fa49eb7021498780117d600e00ceee2021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-85833-yhttps://doaj.org/toc/2045-2322Abstract Plant-derived extracellular vesicles (EVs) gain more and more attention as promising carriers of exogenous bioactive molecules to the human cells. Derived from various edible sources, these EVs are remarkably biocompatible, biodegradable and highly abundant from plants. In this work, EVs from grapefruit juice were isolated by differential centrifugation followed by characterization of their size, quantity and morphology by nanoparticle tracking analysis, dynamic light scattering, atomic force microscopy and cryo-electron microscopy (Cryo-EM). In Cryo-EM experiments, we visualized grapefruit EVs with the average size of 41 ± 13 nm, confirmed their round-shaped morphology and estimated the thickness of their lipid bilayer as 5.3 ± 0.8 nm. Further, using cell culture models, we have successfully demonstrated that native grapefruit-derived extracellular vesicles (GF-EVs) are highly efficient carriers for the delivery of the exogenous Alexa Fluor 647 labeled bovine serum albumin (BSA) and heat shock protein 70 (HSP70) into both human peripheral blood mononuclear cells and colon cancer cells. Interestingly, loading to plant EVs significantly ameliorated the uptake of exogenous proteins by human cells compared to the same proteins without EVs. Most importantly, we have confirmed the functional activity of human recombinant HSP70 in the colon cancer cell culture upon delivery by GF-EVs. Analysis of the biodistribution of GF-EVs loaded with 125I-labeled BSA in mice demonstrated a significant uptake of the grapefruit-derived extracellular vesicles by the majority of organs. The results of our study indicate that native plant EVs might be safe and effective carriers of exogenous proteins into human cells.Luiza GaraevaRoman KamyshinskyYury KilElena VarfolomeevaNikolai VerlovElena KomarovaYuri GarmaySergey LandaVladimir BurdakovAlexander MyasnikovIlya A. VinnikovBoris MargulisIrina GuzhovaAlexander KaganskyAndrey L. KonevegaTatiana ShtamNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Luiza Garaeva
Roman Kamyshinsky
Yury Kil
Elena Varfolomeeva
Nikolai Verlov
Elena Komarova
Yuri Garmay
Sergey Landa
Vladimir Burdakov
Alexander Myasnikov
Ilya A. Vinnikov
Boris Margulis
Irina Guzhova
Alexander Kagansky
Andrey L. Konevega
Tatiana Shtam
Delivery of functional exogenous proteins by plant-derived vesicles to human cells in vitro
description Abstract Plant-derived extracellular vesicles (EVs) gain more and more attention as promising carriers of exogenous bioactive molecules to the human cells. Derived from various edible sources, these EVs are remarkably biocompatible, biodegradable and highly abundant from plants. In this work, EVs from grapefruit juice were isolated by differential centrifugation followed by characterization of their size, quantity and morphology by nanoparticle tracking analysis, dynamic light scattering, atomic force microscopy and cryo-electron microscopy (Cryo-EM). In Cryo-EM experiments, we visualized grapefruit EVs with the average size of 41 ± 13 nm, confirmed their round-shaped morphology and estimated the thickness of their lipid bilayer as 5.3 ± 0.8 nm. Further, using cell culture models, we have successfully demonstrated that native grapefruit-derived extracellular vesicles (GF-EVs) are highly efficient carriers for the delivery of the exogenous Alexa Fluor 647 labeled bovine serum albumin (BSA) and heat shock protein 70 (HSP70) into both human peripheral blood mononuclear cells and colon cancer cells. Interestingly, loading to plant EVs significantly ameliorated the uptake of exogenous proteins by human cells compared to the same proteins without EVs. Most importantly, we have confirmed the functional activity of human recombinant HSP70 in the colon cancer cell culture upon delivery by GF-EVs. Analysis of the biodistribution of GF-EVs loaded with 125I-labeled BSA in mice demonstrated a significant uptake of the grapefruit-derived extracellular vesicles by the majority of organs. The results of our study indicate that native plant EVs might be safe and effective carriers of exogenous proteins into human cells.
format article
author Luiza Garaeva
Roman Kamyshinsky
Yury Kil
Elena Varfolomeeva
Nikolai Verlov
Elena Komarova
Yuri Garmay
Sergey Landa
Vladimir Burdakov
Alexander Myasnikov
Ilya A. Vinnikov
Boris Margulis
Irina Guzhova
Alexander Kagansky
Andrey L. Konevega
Tatiana Shtam
author_facet Luiza Garaeva
Roman Kamyshinsky
Yury Kil
Elena Varfolomeeva
Nikolai Verlov
Elena Komarova
Yuri Garmay
Sergey Landa
Vladimir Burdakov
Alexander Myasnikov
Ilya A. Vinnikov
Boris Margulis
Irina Guzhova
Alexander Kagansky
Andrey L. Konevega
Tatiana Shtam
author_sort Luiza Garaeva
title Delivery of functional exogenous proteins by plant-derived vesicles to human cells in vitro
title_short Delivery of functional exogenous proteins by plant-derived vesicles to human cells in vitro
title_full Delivery of functional exogenous proteins by plant-derived vesicles to human cells in vitro
title_fullStr Delivery of functional exogenous proteins by plant-derived vesicles to human cells in vitro
title_full_unstemmed Delivery of functional exogenous proteins by plant-derived vesicles to human cells in vitro
title_sort delivery of functional exogenous proteins by plant-derived vesicles to human cells in vitro
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/73fa49eb7021498780117d600e00ceee
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