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Pang X, Zhang Q, Li S, Zhao J, Cai M, Wang H, Xu H, Yang G, Shan Y. Spatiotemporal tracking of the transport of RNA nano-drugs: from transmembrane to intracellular delivery. NANOSCALE 2022; 14:8919-8928. [PMID: 35699091 DOI: 10.1039/d2nr00988a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The popularity of RNA nanoparticles (RNPs) has risen rapidly during the past decade due to the development of RNA nanotechnology. Understanding the fast dynamic process of cell entry and intracellular delivery of RNPs is essential for the design of intelligent therapeutic RNA nano-drugs and mRNA vaccines.How the interaction between the membrane and target ligand of RNPs influences the cell entry, and how the dynamic mechanism of RNPs takes place in different organelles remain ill-defined. Herein, the cell entry of Antimir21-RNP-Apt is monitored using a force tracing technique with a high spatiotemporal resolution at the single particle level, the specific interaction of Apt and EGFR promotes the cell entry efficiency and achieves long-lasting curative effects. Furthermore, the intracellular delivery pathway through different organelles is discovered using fluorescence tracking, and the low motility in early endosomes and the high motility in late endosomes are analyzed. This report provides key strategies for engineering RNA nanomedicines and facilitating clinical translation.
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Affiliation(s)
- Xuelei Pang
- School of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China.
| | - Qingrong Zhang
- School of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China.
| | - Siying Li
- School of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China.
| | - Jing Zhao
- School of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China.
| | - Mingjun Cai
- Changchun Institute of Applied Chemistry, State Key Laboratory of Electroanalytical Chemistry, Chinese Academy of Science, Changchun 130022, China
| | - Hongda Wang
- Changchun Institute of Applied Chemistry, State Key Laboratory of Electroanalytical Chemistry, Chinese Academy of Science, Changchun 130022, China
| | - Haijiao Xu
- Changchun Institute of Applied Chemistry, State Key Laboratory of Electroanalytical Chemistry, Chinese Academy of Science, Changchun 130022, China
| | - Guocheng Yang
- School of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China.
| | - Yuping Shan
- School of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun 130012, China.
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2
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Vocelle D, Chan C, Walton SP. Endocytosis Controls siRNA Efficiency: Implications for siRNA Delivery Vehicle Design and Cell-Specific Targeting. Nucleic Acid Ther 2020; 30:22-32. [PMID: 31718426 PMCID: PMC6987736 DOI: 10.1089/nat.2019.0804] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 10/10/2019] [Indexed: 12/19/2022] Open
Abstract
While small interfering RNAs (siRNAs) are commonly used for laboratory studies, development of siRNA therapeutics has been slower than expected, due, in part, to a still limited understanding of the endocytosis and intracellular trafficking of siRNA-containing complexes. With the recent characterization of multiple clathrin-/caveolin-independent endocytic pathways, that is, those mediated by Graf1, Arf6, and flotillin, it has become clear that the endocytic mechanism influences subsequent intracellular processing of the internalized cargo. To explore siRNA delivery in light of these findings, we developed a novel assay that differentiates uptake by each of the endocytic pathways and can be used to determine whether endocytosis by a pathway leads to the initiation of RNA interference (RNAi). Using Lipofectamine 2000 (LF2K), we determined the endocytosis pathway leading to active silencing (whether by clathrin, caveolin, Arf6, Graf1, flotillin, or macropinocytosis) across multiple cell types (HeLa, H1299, HEK293, and HepG2). We showed that LF2K is internalized by Graf1-, Arf6-, or flotillin-mediated endocytosis for the initiation of RNAi, depending on cell type. In addition, we found that a portion of siRNA-containing complexes is internalized by pathways that do not lead to initiation of silencing. Inhibition of these pathways enhanced intracellular levels of siRNAs with concomitant enhancement of silencing.
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Affiliation(s)
- Daniel Vocelle
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, Michigan
| | - Christina Chan
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, Michigan
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, Michigan
| | - S. Patrick Walton
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, Michigan
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Żaczek M, Górski A, Skaradzińska A, Łusiak-Szelachowska M, Weber-Dąbrowska B. Phage penetration of eukaryotic cells: practical implications. Future Virol 2019. [DOI: 10.2217/fvl-2019-0110] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The inability to infect eukaryotic cells has been considered as the most undeniable feature of all bacterial viruses. Such specificity, limited only for bacterial hosts, raises questions about the paths and challenges phages should overcome when circulating through the human body. Recently, it has been shown that phages are able to continually penetrate human organs and tissues. Latest reports revealed that phages can cross eukaryotic cell barriers both para- and transcellularly and even reach the nucleus. Further, phages are capable of internalizing within cells through different endocytic mechanisms. Such phenomenon indicates that phages could shape human microbiome composition and affect all aspects of human health. Thus, herein, we summarize the current state of knowledge and describe this phenomenon with a particular emphasis on endocytic pathways.
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Affiliation(s)
- Maciej Żaczek
- Bacteriophage Laboratory, Hirszfeld Institute of Immunology & Experimental Therapy, Polish Academy of Sciences (HIIET PAS), R. Weigla 12, 53-114 Wrocław, Poland
| | - Andrzej Górski
- Bacteriophage Laboratory, Hirszfeld Institute of Immunology & Experimental Therapy, Polish Academy of Sciences (HIIET PAS), R. Weigla 12, 53-114 Wrocław, Poland
- Phage Therapy Unit, Hirszfeld Institute of Immunology & Experimental Therapy, Polish Academy of Sciences (HIIET PAS), R. Weigla 12, 53-114 Wrocław, Poland
| | - Aneta Skaradzińska
- Department of Biotechnology & Food Microbiology, Faculty of Biotechnology & Food Science, Wrocław University of Environmental & Life Sciences, Chełmońskiego 37, 51-630 Wrocław, Poland
| | - Marzanna Łusiak-Szelachowska
- Bacteriophage Laboratory, Hirszfeld Institute of Immunology & Experimental Therapy, Polish Academy of Sciences (HIIET PAS), R. Weigla 12, 53-114 Wrocław, Poland
| | - Beata Weber-Dąbrowska
- Bacteriophage Laboratory, Hirszfeld Institute of Immunology & Experimental Therapy, Polish Academy of Sciences (HIIET PAS), R. Weigla 12, 53-114 Wrocław, Poland
- Phage Therapy Unit, Hirszfeld Institute of Immunology & Experimental Therapy, Polish Academy of Sciences (HIIET PAS), R. Weigla 12, 53-114 Wrocław, Poland
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4
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Abstract
Self-assembled peptide nanostructures have been increasingly exploited as functional materials for applications in biomedicine and energy. The emergent properties of these nanomaterials determine the applications for which they can be exploited. It has recently been appreciated that nanomaterials composed of multicomponent coassembled peptides often display unique emergent properties that have the potential to dramatically expand the functional utility of peptide-based materials. This review presents recent efforts in the development of multicomponent peptide assemblies. The discussion includes multicomponent assemblies derived from short low molecular weight peptides, peptide amphiphiles, coiled coil peptides, collagen, and β-sheet peptides. The design, structure, emergent properties, and applications for these multicomponent assemblies are presented in order to illustrate the potential of these formulations as sophisticated next-generation bio-inspired materials.
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Affiliation(s)
- Danielle M Raymond
- Department of Chemistry, University of Rochester, Rochester, NY 14627-0216, USA.
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5
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Teo J, McCarroll JA, Boyer C, Youkhana J, Sagnella SM, Duong HTT, Liu J, Sharbeen G, Goldstein D, Davis TP, Kavallaris M, Phillips PA. A Rationally Optimized Nanoparticle System for the Delivery of RNA Interference Therapeutics into Pancreatic Tumors in Vivo. Biomacromolecules 2016; 17:2337-51. [DOI: 10.1021/acs.biomac.6b00185] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Joann Teo
- Tumour
Biology and Targeting Program, Children’s Cancer Institute,
Lowy Cancer Research Centre, UNSW Australia, Sydney, New South Wales 2052, Australia
- Australian
Centre for NanoMedicine, UNSW Australia, Sydney, New South Wales 2052, Australia
| | - Joshua A. McCarroll
- Tumour
Biology and Targeting Program, Children’s Cancer Institute,
Lowy Cancer Research Centre, UNSW Australia, Sydney, New South Wales 2052, Australia
- Australian
Centre for NanoMedicine, UNSW Australia, Sydney, New South Wales 2052, Australia
| | - Cyrille Boyer
- Australian
Centre for NanoMedicine, UNSW Australia, Sydney, New South Wales 2052, Australia
- Centre
for Advanced Macromolecular Design, School of Chemical Engineering, UNSW Australia, Sydney, New South Wales 2052, Australia
| | - Janet Youkhana
- Pancreatic
Cancer Translational Research Group, Lowy Cancer Research Centre,
Prince of Wales Clinical School, UNSW Australia, Sydney, New South Wales 2052, Australia
| | - Sharon M. Sagnella
- Tumour
Biology and Targeting Program, Children’s Cancer Institute,
Lowy Cancer Research Centre, UNSW Australia, Sydney, New South Wales 2052, Australia
- Australian
Centre for NanoMedicine, UNSW Australia, Sydney, New South Wales 2052, Australia
| | - Hien T. T. Duong
- Australian
Centre for NanoMedicine, UNSW Australia, Sydney, New South Wales 2052, Australia
- Centre
for Advanced Macromolecular Design, School of Chemical Engineering, UNSW Australia, Sydney, New South Wales 2052, Australia
| | - Jie Liu
- Pancreatic
Cancer Translational Research Group, Lowy Cancer Research Centre,
Prince of Wales Clinical School, UNSW Australia, Sydney, New South Wales 2052, Australia
| | - George Sharbeen
- Pancreatic
Cancer Translational Research Group, Lowy Cancer Research Centre,
Prince of Wales Clinical School, UNSW Australia, Sydney, New South Wales 2052, Australia
| | - David Goldstein
- Pancreatic
Cancer Translational Research Group, Lowy Cancer Research Centre,
Prince of Wales Clinical School, UNSW Australia, Sydney, New South Wales 2052, Australia
- Prince
of Wales Hospital, Prince of Wales Clinical School, Sydney, New South Wales 2052, Australia
| | - Thomas P. Davis
- ARC
Centre of Excellence in Convergent Bio-Nano Science and Technology
Monash Institute of Pharmaceutical Sciences, Monash University, Clayton, Victoria 3800, Australia
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Maria Kavallaris
- Tumour
Biology and Targeting Program, Children’s Cancer Institute,
Lowy Cancer Research Centre, UNSW Australia, Sydney, New South Wales 2052, Australia
- Australian
Centre for NanoMedicine, UNSW Australia, Sydney, New South Wales 2052, Australia
- ARC Centre
of Excellence in Convergent Bio-Nano Science and Technology UNSW Australia, Sydney, New South Wales 2052, Australia
| | - Phoebe A. Phillips
- Australian
Centre for NanoMedicine, UNSW Australia, Sydney, New South Wales 2052, Australia
- Pancreatic
Cancer Translational Research Group, Lowy Cancer Research Centre,
Prince of Wales Clinical School, UNSW Australia, Sydney, New South Wales 2052, Australia
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Vocelle D, Chesniak OM, Malefyt AP, Comiskey G, Adu-Berchie K, Smith MR, Chan C, Walton SP. Dextran functionalization enhances nanoparticle-mediated siRNA delivery and silencing. TECHNOLOGY 2016; 4:42. [PMID: 27774502 PMCID: PMC5072529 DOI: 10.1142/s2339547816400100] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Understanding the endocytosis and intracellular trafficking of short interfering RNA (siRNA) delivery vehicle complexes remains a critical bottleneck in designing siRNA delivery vehicles for highly active RNA interference (RNAi)-based therapeutics. In this study, we show that dextran functionalization of silica nanoparticles enhanced uptake and intracellular delivery of siRNAs in cultured cells. Using pharmacological inhibitors for endocytotic pathways, we determined that our complexes are endocytosed via a previously unreported mechanism for siRNA delivery in which dextran initiates scavenger receptor-mediated endocytosis through a clathrin/caveolin-independent process. Our findings suggest that siRNA delivery efficiency could be enhanced by incorporating dextran into existing delivery platforms to activate scavenger receptor activity across a variety of target cell types.
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Affiliation(s)
- Daniel Vocelle
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, MI 48824-1226, USA
| | - Olivia M Chesniak
- Department of Chemistry, Michigan State University, East Lansing, MI 48824-1226, USA
| | - Amanda P Malefyt
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, MI 48824-1226, USA
| | - Georgina Comiskey
- Department of Chemistry, Michigan State University, East Lansing, MI 48824-1226, USA
| | - Kwasi Adu-Berchie
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, MI 48824-1226, USA
| | - Milton R Smith
- Department of Chemistry, Michigan State University, East Lansing, MI 48824-1226, USA
| | - Christina Chan
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, MI 48824-1226, USA; Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824-1226, USA
| | - S Patrick Walton
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, MI 48824-1226, USA
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7
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Mumcuoglu D, Sardan M, Tekinay T, Guler MO, Tekinay AB. Oligonucleotide delivery with cell surface binding and cell penetrating Peptide amphiphile nanospheres. Mol Pharm 2015; 12:1584-91. [PMID: 25828697 DOI: 10.1021/acs.molpharmaceut.5b00007] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A drug delivery system designed specifically for oligonucleotide therapeutics can ameliorate the problems associated with the in vivo delivery of these molecules. The internalization of free oligonucleotides is challenging, and cytotoxicity is the main obstacle for current transfection vehicles. To develop nontoxic delivery vehicles for efficient transfection of oligonucleotides, we designed a self-assembling peptide amphiphile (PA) nanosphere delivery system decorated with cell penetrating peptides (CPPs) containing multiple arginine residues (R4 and R8), and a cell surface binding peptide (KRSR), and report the efficiency of this system in delivering G-3129, a Bcl-2 antisense oligonucleotide (AON). PA/AON (peptide amphiphile/antisense oligonucleotide) complexes were characterized with regards to their size and secondary structure, and their cellular internalization efficiencies were evaluated. The effect of the number of arginine residues on the cellular internalization was investigated by both flow cytometry and confocal imaging, and the results revealed that uptake efficiency improved as the number of arginines in the sequence increased. The combined effect of cell penetration and surface binding property on the cellular internalization and its uptake mechanism was also evaluated by mixing R8-PA and KRSR-PA. R8 and R8/KRSR decorated PAs were found to drastically increase the internalization of AONs compared to nonbioactive PA control. Overall, the KRSR-decorated self-assembled PA nanospheres were demonstrated to be noncytotoxic delivery vectors with high transfection rates and may serve as a promising delivery system for AONs.
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Affiliation(s)
- Didem Mumcuoglu
- †Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center (UNAM), Bilkent University, 06800 Ankara, Turkey
| | - Melis Sardan
- †Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center (UNAM), Bilkent University, 06800 Ankara, Turkey
| | - Turgay Tekinay
- ‡Department of Medical Biology and Genetics, Faculty of Medicine, Life Sciences Application and Research Center, Gazi University, 06500 Ankara, Turkey
| | - Mustafa O Guler
- †Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center (UNAM), Bilkent University, 06800 Ankara, Turkey
| | - Ayse B Tekinay
- †Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center (UNAM), Bilkent University, 06800 Ankara, Turkey
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