Biophysical and biological contributions of polyamine-coated carbon nanotubes and bidimensional buckypapers in the delivery of miRNAs to human cells
Antonella Celluzzi,1,* Alessandro Paolini,1,* Valentina D’Oria,1 Roberta Risoluti,2 Stefano Materazzi,2 Marco Pezzullo,1 Stefano Casciardi,3 Simona Sennato,4 Federico Bordi,4 Andrea Masotti1 1Bambino Gesù Children’s Hospital, IRCCS, Research Laboratories, 2Department...
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Dove Medical Press
2017
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oai:doaj.org-article:27a4530781d940e7b618dec91834db242021-12-02T06:38:00ZBiophysical and biological contributions of polyamine-coated carbon nanotubes and bidimensional buckypapers in the delivery of miRNAs to human cells1178-2013https://doaj.org/article/27a4530781d940e7b618dec91834db242017-12-01T00:00:00Zhttps://www.dovepress.com/biophysical-and-biological-contributions-of-polyamine-coated-carbon-na-peer-reviewed-article-IJNhttps://doaj.org/toc/1178-2013Antonella Celluzzi,1,* Alessandro Paolini,1,* Valentina D’Oria,1 Roberta Risoluti,2 Stefano Materazzi,2 Marco Pezzullo,1 Stefano Casciardi,3 Simona Sennato,4 Federico Bordi,4 Andrea Masotti1 1Bambino Gesù Children’s Hospital, IRCCS, Research Laboratories, 2Department of Chemistry, Sapienza University of Rome, 3Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, National Institution for Insurance Against Accidents at Work (INAIL Research), Monte Porzio Catone, 4CNR-ISC UOS Roma, Department of Physics, Sapienza University of Rome, Roma, Italy *These authors contributed equally to this work Abstract: Recent findings in nanomedicine have revealed that carbon nanotubes (CNTs) can be used as potential drug carriers, therapeutic agents and diagnostics tools. Moreover, due to their ability to cross cellular membranes, their nanosize dimension, high surface area and relatively good biocompatibility, CNTs have also been employed as a novel gene delivery vector system. In our previous work, we functionalized CNTs with two polyamine polymers, polyethyleneimine (PEI) and polyamidoamine dendrimer (PAMAM). These compounds have low cytotoxicity, ability to conjugate microRNAs (such as miR-503) and, at the same time, transfect efficiently endothelial cells. The parameters contributing to the good efficiency of transfection that we observed were not investigated in detail. In fact, the diameter and length of CNTs are important parameters to be taken into account when evaluating the effects on drug delivery efficiency. In order to investigate the biophysical and biological contributions of polymer-coated CNTs in delivery of miRNAs to human cells, we decided to investigate three different preparations, characterized by different dimensions and aspect ratios. In particular, we took into account very small CNTs, a suspension of CNTs starting from the commercial product and a 2D material based on CNTs (ie, buckypapers [BPs]) to examine the transfection efficiency of a rigid scaffold. In conclusion, we extensively investigated the biophysical and biological contributions of polyamine-coated CNTs and bidimensional BPs in the delivery of miRNAs to human cells, in order to optimize the transfection efficiency of these compounds to be employed as efficient drug delivery vectors in biomedical applications. Keywords: carbon nanotubes, buckypapers, polyamines, cytotoxicity, cell transfection Celluzzi APaolini AD'Oria VRisoluti RMaterazzi SPezzullo MCasciardi SSennato SBordi FMasotti ADove Medical PressarticleCarbon nanotubesBuckypapersPolyaminesCytotoxicityCell TransfectionMedicine (General)R5-920ENInternational Journal of Nanomedicine, Vol Volume 13, Pp 1-18 (2017) |
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DOAJ |
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EN |
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Carbon nanotubes Buckypapers Polyamines Cytotoxicity Cell Transfection Medicine (General) R5-920 |
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Carbon nanotubes Buckypapers Polyamines Cytotoxicity Cell Transfection Medicine (General) R5-920 Celluzzi A Paolini A D'Oria V Risoluti R Materazzi S Pezzullo M Casciardi S Sennato S Bordi F Masotti A Biophysical and biological contributions of polyamine-coated carbon nanotubes and bidimensional buckypapers in the delivery of miRNAs to human cells |
| description |
Antonella Celluzzi,1,* Alessandro Paolini,1,* Valentina D’Oria,1 Roberta Risoluti,2 Stefano Materazzi,2 Marco Pezzullo,1 Stefano Casciardi,3 Simona Sennato,4 Federico Bordi,4 Andrea Masotti1 1Bambino Gesù Children’s Hospital, IRCCS, Research Laboratories, 2Department of Chemistry, Sapienza University of Rome, 3Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, National Institution for Insurance Against Accidents at Work (INAIL Research), Monte Porzio Catone, 4CNR-ISC UOS Roma, Department of Physics, Sapienza University of Rome, Roma, Italy *These authors contributed equally to this work Abstract: Recent findings in nanomedicine have revealed that carbon nanotubes (CNTs) can be used as potential drug carriers, therapeutic agents and diagnostics tools. Moreover, due to their ability to cross cellular membranes, their nanosize dimension, high surface area and relatively good biocompatibility, CNTs have also been employed as a novel gene delivery vector system. In our previous work, we functionalized CNTs with two polyamine polymers, polyethyleneimine (PEI) and polyamidoamine dendrimer (PAMAM). These compounds have low cytotoxicity, ability to conjugate microRNAs (such as miR-503) and, at the same time, transfect efficiently endothelial cells. The parameters contributing to the good efficiency of transfection that we observed were not investigated in detail. In fact, the diameter and length of CNTs are important parameters to be taken into account when evaluating the effects on drug delivery efficiency. In order to investigate the biophysical and biological contributions of polymer-coated CNTs in delivery of miRNAs to human cells, we decided to investigate three different preparations, characterized by different dimensions and aspect ratios. In particular, we took into account very small CNTs, a suspension of CNTs starting from the commercial product and a 2D material based on CNTs (ie, buckypapers [BPs]) to examine the transfection efficiency of a rigid scaffold. In conclusion, we extensively investigated the biophysical and biological contributions of polyamine-coated CNTs and bidimensional BPs in the delivery of miRNAs to human cells, in order to optimize the transfection efficiency of these compounds to be employed as efficient drug delivery vectors in biomedical applications. Keywords: carbon nanotubes, buckypapers, polyamines, cytotoxicity, cell transfection |
| format |
article |
| author |
Celluzzi A Paolini A D'Oria V Risoluti R Materazzi S Pezzullo M Casciardi S Sennato S Bordi F Masotti A |
| author_facet |
Celluzzi A Paolini A D'Oria V Risoluti R Materazzi S Pezzullo M Casciardi S Sennato S Bordi F Masotti A |
| author_sort |
Celluzzi A |
| title |
Biophysical and biological contributions of polyamine-coated carbon nanotubes and bidimensional buckypapers in the delivery of miRNAs to human cells |
| title_short |
Biophysical and biological contributions of polyamine-coated carbon nanotubes and bidimensional buckypapers in the delivery of miRNAs to human cells |
| title_full |
Biophysical and biological contributions of polyamine-coated carbon nanotubes and bidimensional buckypapers in the delivery of miRNAs to human cells |
| title_fullStr |
Biophysical and biological contributions of polyamine-coated carbon nanotubes and bidimensional buckypapers in the delivery of miRNAs to human cells |
| title_full_unstemmed |
Biophysical and biological contributions of polyamine-coated carbon nanotubes and bidimensional buckypapers in the delivery of miRNAs to human cells |
| title_sort |
biophysical and biological contributions of polyamine-coated carbon nanotubes and bidimensional buckypapers in the delivery of mirnas to human cells |
| publisher |
Dove Medical Press |
| publishDate |
2017 |
| url |
https://doaj.org/article/27a4530781d940e7b618dec91834db24 |
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