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McNulty MJ, Schwartz A, Delzio J, Karuppanan K, Jacobson A, Hart O, Dandekar A, Giritch A, Nandi S, Gleba Y, McDonald KA. Affinity Sedimentation and Magnetic Separation With Plant-Made Immunosorbent Nanoparticles for Therapeutic Protein Purification. Front Bioeng Biotechnol 2022; 10:865481. [PMID: 35573255 PMCID: PMC9092175 DOI: 10.3389/fbioe.2022.865481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 04/04/2022] [Indexed: 11/20/2022] Open
Abstract
The virus-based immunosorbent nanoparticle is a nascent technology being developed to serve as a simple and efficacious agent in biosensing and therapeutic antibody purification. There has been particular emphasis on the use of plant virions as immunosorbent nanoparticle chassis for their diverse morphologies and accessible, high yield manufacturing via plant cultivation. To date, studies in this area have focused on proof-of-concept immunosorbent functionality in biosensing and purification contexts. Here we consolidate a previously reported pro-vector system into a single Agrobacterium tumefaciens vector to investigate and expand the utility of virus-based immunosorbent nanoparticle technology for therapeutic protein purification. We demonstrate the use of this technology for Fc-fusion protein purification, characterize key nanomaterial properties including binding capacity, stability, reusability, and particle integrity, and present an optimized processing scheme with reduced complexity and increased purity. Furthermore, we present a coupling of virus-based immunosorbent nanoparticles with magnetic particles as a strategy to overcome limitations of the immunosorbent nanoparticle sedimentation-based affinity capture methodology. We report magnetic separation results which exceed the binding capacity reported for current industry standards by an order of magnitude.
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Affiliation(s)
- Matthew J. McNulty
- Department of Chemical Engineering, University of California, Davis, Davis, CA, United States
| | | | - Jesse Delzio
- Department of Chemical Engineering, University of California, Davis, Davis, CA, United States
| | - Kalimuthu Karuppanan
- Department of Chemical Engineering, University of California, Davis, Davis, CA, United States
| | - Aaron Jacobson
- Department of Plant Sciences, University of California, Davis, Davis, CA, United States
| | - Olivia Hart
- Department of Chemical Engineering, University of California, Davis, Davis, CA, United States
| | - Abhaya Dandekar
- Department of Plant Sciences, University of California, Davis, Davis, CA, United States
| | | | - Somen Nandi
- Department of Chemical Engineering, University of California, Davis, Davis, CA, United States
- Global HealthShare® Initiative, University of California, Davis, Davis, CA, United States
| | | | - Karen A. McDonald
- Department of Chemical Engineering, University of California, Davis, Davis, CA, United States
- Global HealthShare® Initiative, University of California, Davis, Davis, CA, United States
- *Correspondence: Karen A. McDonald,
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2
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Pronkin PG, Tatikolov A. Molecular Docking of Cyanine and Squarylium Dyes with NSP15 Endoribonuclease of the SARS-CoV-2 Coronavirus. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B 2022. [PMCID: PMC9022896 DOI: 10.1134/s1990793122010262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The ongoing spread of the COVID-19 coronavirus infection requires us to find new tools and methods for detecting and studying the infection and preventing morbidity (new analytical procedures and tests). With the aim of developing probes for the detection of SARS-CoV-2 coronavirus by modeling in silico (molecular docking), the noncovalent binding of cyanine and squarylium dyes with different molecular charges and different types of heterocyclic residues and substituents (42 compounds in total) with different variants of the NSP15 endoribonuclease of the SARS-CoV-2 coronavirus (COVID-19) of the original (wild) type and mutant types is studied. The interaction energies and spatial configurations of the dye molecules in complexes with NSP15 are determined. Some dyes with negative values of the total energy of the complex Etot are promising for further practical study as probes for coronavirus.
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Affiliation(s)
- P. G. Pronkin
- Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, Russia
| | - A.S. Tatikolov
- Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, Russia
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3
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Edwardson TGW, Levasseur MD, Tetter S, Steinauer A, Hori M, Hilvert D. Protein Cages: From Fundamentals to Advanced Applications. Chem Rev 2022; 122:9145-9197. [PMID: 35394752 DOI: 10.1021/acs.chemrev.1c00877] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Proteins that self-assemble into polyhedral shell-like structures are useful molecular containers both in nature and in the laboratory. Here we review efforts to repurpose diverse protein cages, including viral capsids, ferritins, bacterial microcompartments, and designed capsules, as vaccines, drug delivery vehicles, targeted imaging agents, nanoreactors, templates for controlled materials synthesis, building blocks for higher-order architectures, and more. A deep understanding of the principles underlying the construction, function, and evolution of natural systems has been key to tailoring selective cargo encapsulation and interactions with both biological systems and synthetic materials through protein engineering and directed evolution. The ability to adapt and design increasingly sophisticated capsid structures and functions stands to benefit the fields of catalysis, materials science, and medicine.
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Affiliation(s)
| | | | - Stephan Tetter
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Angela Steinauer
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Mao Hori
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Donald Hilvert
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
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4
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Shende P, Rodrigues B, Govardhane S. Diversified applications of self-assembled nanocluster delivery systems- A state-of-the- art review. Curr Pharm Des 2022; 28:1870-1884. [PMID: 35232345 DOI: 10.2174/1381612828666220301125944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 12/29/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Self-assembled nanoclusters arrange the components into an organized structure for the nanoparticulate system and also in the transportation of cellular elements for the fabrication of microelectronic devices. Nanoclusters reduce transcytosis and increase endocytosis in intestinal mucin to strengthen the retrograde pathway that helped in the delivery of actives to the Golgi apparatus. OBJECTIVES This review article focuses on the self-assembled nanoclusters for cellular transportation, applications of self-assembled structures in the delivery of essential elements like the use of a peptide in targeted and stimuli-responsive drug delivery systems, self-assembly of tocopherol nanoclusters that promotes vitamin E delivery across the endothelial barrier. Methods Current innovation in the self-assembly of peptides includes the formation of nanostructures like vesicles, fibers, and rod-coil in the applications of wound healing, tissue engineering, treatment of atherosclerosis, in sensing heavy metals from biological and environmental samples and advanced drug delivery. RESULTS Self-assembled biodegradable nanoclusters are used as biomimetic structures for synergistic effect. Improvement in the methods of preparation like the addition of a copolymer is used for temperature-triggered drug release nanoclusters. CONCLUSION Green synthesis of nanoclusters, nanocluster-based biosensor and artificial intelligence are the future concept in the manufacturing and the prevention of toxicity in humans.
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Affiliation(s)
- Pravin Shende
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai, India
| | - Bernice Rodrigues
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai, India
| | - Sharayu Govardhane
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai, India
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5
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Yi J, Han X, Gao F, Cai L, Chen Y, Deng X, Li X, Xue J, Zhou H. A novel metal–organic framework of Ba–hemin with enhanced cascade activity for sensitive glucose detection. RSC Adv 2022; 12:20544-20549. [PMID: 35919131 PMCID: PMC9284537 DOI: 10.1039/d2ra02778j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 07/03/2022] [Indexed: 12/03/2022] Open
Abstract
Early glucose detection is important in both healthy people and diabetic patients. Glucose biosensing based on glucose oxidase (GOX) is a common method. However, native proteins are mostly membrane impermeable and are prone to degradation in complex sample environments. Herein, we report a facile one-step biomineralization method by simply mixing aqueous solutions of hemin and barium nitrate with glucose oxidase (GOX) to form Ba–hemin@GOX composites. Glucose (Glu) is introduced through self-driven sampling to trigger the GOX-catalysed production of hydrogen peroxide, which could help the subsequent 3,3′,5,5′-tetramethylbenzidine (TMB) oxidation reaction catalysed by Ba–hemin to yield the blue-coloured product. The sensor exhibited a detection limit as low as 3.08 μM. The operability and accuracy of the Ba–hemin@GOX biosensor were confirmed by the quantitative determination of glucose in real samples, such as tap water, serum and drinks. Moreover, the Ba–hemin@GOX-based colorimetric biosensor showed good selectivity, storage stability and recoverability. The experimental results reveal that a GOX activity of more than 90% was still maintained even after being incubated at 60 °C for 30 minutes, and Ba–hemin@GOX could be reused for glucose detection at least six times. Even after 30 days of storage, the relative activity was still more than 90%. Overall, the developed Ba–hemin@GOX biosensor provides a valuable and general platform for applications in colorimetric biosensing and medical diagnostics. The Ba–hemin@GOX composite is used for sensitive glucose detection.![]()
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Affiliation(s)
- Jintao Yi
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
| | - Xianqin Han
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
| | - Fengying Gao
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
| | - Le Cai
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
| | - Ying Chen
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
| | - Xiulong Deng
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
| | - Xun Li
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
| | - Jun Xue
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
| | - Hui Zhou
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
- Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, School of Pharmacy, Guangdong Medical University, Dongguan 523808, P. R. China
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6
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Xie A, Tsvetkova I, Liu Y, Ye X, Hewavitharanage P, Dragnea B, Cadena-Nava RD. Hydrophobic Cargo Encapsulation into Virus Protein Cages by Self-Assembly in an Aprotic Organic Solvent. Bioconjug Chem 2021; 32:2366-2376. [PMID: 34730939 DOI: 10.1021/acs.bioconjchem.1c00420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
While extensive studies of virus capsid assembly in environments mimicking in vivo conditions have led to an understanding of the thermodynamic driving forces at work, applying this knowledge to virus assembly in other solvents than aqueous buffers has not been attempted yet. In this study, Brome mosaic virus (BMV) capsid proteins were shown to preserve their self-assembly abilities in an aprotic polar solvent, dimethyl sulfoxide (DMSO). This facilitated protein cage encapsulation of nanoparticles and dye molecules that favor organic solvents, such as β-NaYF4-based upconversion nanoparticles and BODIPY dye. Assembly was found to be robust relative to a surprisingly broad range of DMSO concentrations. Cargos with poor initial stability in aqueous solutions were readily encapsulated at high DMSO concentrations and then transferred to aqueous solvents, where they remained stable and preserved their function for months.
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Affiliation(s)
- Amberly Xie
- Department of Chemistry, Indiana University, 800 E Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Irina Tsvetkova
- Department of Chemistry, Indiana University, 800 E Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Yang Liu
- Department of Chemistry, Indiana University, 800 E Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Xingchen Ye
- Department of Chemistry, Indiana University, 800 E Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Priyadarshine Hewavitharanage
- Chemistry Department, University of Southern Indiana, 8600 University Boulevard, Evansville, Indiana 47712, United States
| | - Bogdan Dragnea
- Department of Chemistry, Indiana University, 800 E Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Ruben D Cadena-Nava
- Department of Chemistry, Indiana University, 800 E Kirkwood Avenue, Bloomington, Indiana 47405, United States
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7
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Anil Sushma A, Zhao B, Tsvetkova IB, Pérez-Segura C, Hadden-Perilla JA, Reilly JP, Dragnea B. Subset of Fluorophores Is Responsible for Radiation Brightening in Viromimetic Particles. J Phys Chem B 2021; 125:10494-10505. [PMID: 34507491 DOI: 10.1021/acs.jpcb.1c06395] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
In certain conditions, dye-conjugated icosahedral virus shells exhibit suppression of concentration quenching. The recently observed radiation brightening at high fluorophore densities has been attributed to coherent emission, i.e., to a cooperative process occurring within a subset of the virus-supported fluorophores. Until now, the distribution of fluorophores among potential conjugation sites and the nature of the active subset remained unknown. With the help of mass spectrometry and molecular dynamics simulations, we found which conjugation sites in the brome mosaic virus capsid are accessible to fluorophores. Reactive external surface lysines but also those at the lumenal interface where the coat protein N-termini are located showed virtually unrestricted access to dyes. The third type of labeled lysines was situated at the intercapsomeric interfaces. Through limited proteolysis of flexible N-termini, it was determined that dyes bound to them are unlikely to be involved in the radiation brightening effect. At the same time, specific labeling of genetically inserted cysteines on the exterior capsid surface alone did not lead to radiation brightening. The results suggest that lysines situated within the more rigid structural part of the coat protein provide the chemical environments conducive to radiation brightening, and we discuss some of the characteristics of these environments.
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Affiliation(s)
- Arathi Anil Sushma
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Bingqing Zhao
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Irina B Tsvetkova
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Carolina Pérez-Segura
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Jodi A Hadden-Perilla
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - James P Reilly
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Bogdan Dragnea
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
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8
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Aljabali AA, Obeid MA. Inorganic-organic Nanomaterials for Therapeutics and Molecular Imaging Applications. ACTA ACUST UNITED AC 2020. [DOI: 10.2174/2210681209666190807145229] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background::
Surface modification of nanoparticles with targeting moieties can be
achieved through bioconjugation chemistries to impart new Functionalities. Various polymeric
nanoparticles have been used for the formulation of nanoparticles such as naturally-occurring
protein cages, virus-like particles, polymeric saccharides, and liposomes. These polymers have
been proven to be biocompatible, side effects free and degradable with no toxicity.
Objectives::
This paper reviews available literature on the nanoparticles pharmaceutical and medical
applications. The review highlights and updates the customized solutions for selective drug
delivery systems that allow high-affinity binding between nanoparticles and the target receptors.
Methods::
Bibliographic databases and web-search engines were used to retrieve studies that assessed
the usability of nanoparticles in the pharmaceutical and medical fields. Data were extracted
on each system in vivo and in vitro applications, its advantages and disadvantages, and its ability to
be chemically and genetically modified to impart new functionalities. Finally, a comparison
between naturally occurring and their synthetic counterparts was carried out.
Results::
The results showed that nanoparticles-based systems could have promising applications in
diagnostics, cell labeling, contrast agents (Magnetic Resonance Imaging and Computed Tomography),
antimicrobial agents, and as drug delivery systems. However, precautions should be taken
to avoid or minimize toxic effect or incompatibility of nanoparticles-based systems with the biological
systems in case of pharmaceutical or medical applications.
Conclusion::
This review presented a summary of recent developments in the field of pharmaceutical
nanotechnology and highlighted the challenges and the merits that some of the nanoparticles-
based systems both in vivo and in vitro systems.
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Affiliation(s)
- Alaa A.A. Aljabali
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Yarmouk University, P.O. BOX 566, Irbid 21163, Jordan
| | - Mohammad A. Obeid
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Yarmouk University, P.O. BOX 566, Irbid 21163, Jordan
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9
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10
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Zhang Y, Gambardella A, Üçüncü M, Geng J, Clavadetscher J, Bradley M, Lilienkampf A. Multifunctional, histidine-tagged polymers: antibody conjugation and signal amplification. Chem Commun (Camb) 2020; 56:13856-13859. [DOI: 10.1039/d0cc04591h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A polymer scaffold, with multiple reactive centres, was synthesised by RAFT polymerisation and conjugated to the antibody herceptin. A hexahistidine RAFT agent enabled simple purification of polymer–protein conjugates.
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Affiliation(s)
- Yichuan Zhang
- EaStCHEM School of Chemistry
- University of Edinburgh
- Edinburgh
- UK
- Shenzhen Institutes of Advanced Technology
| | | | - Muhammed Üçüncü
- EaStCHEM School of Chemistry
- University of Edinburgh
- Edinburgh
- UK
- Department of Analytical Chemistry, Faculty of Pharmacy
| | - Jin Geng
- EaStCHEM School of Chemistry
- University of Edinburgh
- Edinburgh
- UK
- Shenzhen Institutes of Advanced Technology
| | | | - Mark Bradley
- EaStCHEM School of Chemistry
- University of Edinburgh
- Edinburgh
- UK
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11
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Poghossian A, Jablonski M, Molinnus D, Wege C, Schöning MJ. Field-Effect Sensors for Virus Detection: From Ebola to SARS-CoV-2 and Plant Viral Enhancers. FRONTIERS IN PLANT SCIENCE 2020; 11:598103. [PMID: 33329662 PMCID: PMC7732584 DOI: 10.3389/fpls.2020.598103] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Accepted: 10/26/2020] [Indexed: 05/06/2023]
Abstract
Coronavirus disease 2019 (COVID-19) is a novel human infectious disease provoked by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Currently, no specific vaccines or drugs against COVID-19 are available. Therefore, early diagnosis and treatment are essential in order to slow the virus spread and to contain the disease outbreak. Hence, new diagnostic tests and devices for virus detection in clinical samples that are faster, more accurate and reliable, easier and cost-efficient than existing ones are needed. Due to the small sizes, fast response time, label-free operation without the need for expensive and time-consuming labeling steps, the possibility of real-time and multiplexed measurements, robustness and portability (point-of-care and on-site testing), biosensors based on semiconductor field-effect devices (FEDs) are one of the most attractive platforms for an electrical detection of charged biomolecules and bioparticles by their intrinsic charge. In this review, recent advances and key developments in the field of label-free detection of viruses (including plant viruses) with various types of FEDs are presented. In recent years, however, certain plant viruses have also attracted additional interest for biosensor layouts: Their repetitive protein subunits arranged at nanometric spacing can be employed for coupling functional molecules. If used as adapters on sensor chip surfaces, they allow an efficient immobilization of analyte-specific recognition and detector elements such as antibodies and enzymes at highest surface densities. The display on plant viral bionanoparticles may also lead to long-time stabilization of sensor molecules upon repeated uses and has the potential to increase sensor performance substantially, compared to conventional layouts. This has been demonstrated in different proof-of-concept biosensor devices. Therefore, richly available plant viral particles, non-pathogenic for animals or humans, might gain novel importance if applied in receptor layers of FEDs. These perspectives are explained and discussed with regard to future detection strategies for COVID-19 and related viral diseases.
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Affiliation(s)
| | - Melanie Jablonski
- Institute of Nano- and Biotechnologies, FH Aachen University of Applied Sciences, Jülich, Germany
- Institute of Pharmaceutical Chemistry, Philipps-University Marburg, Marburg, Germany
| | - Denise Molinnus
- Institute of Nano- and Biotechnologies, FH Aachen University of Applied Sciences, Jülich, Germany
| | - Christina Wege
- Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Stuttgart, Germany
- *Correspondence: Christina Wege,
| | - Michael J. Schöning
- Institute of Nano- and Biotechnologies, FH Aachen University of Applied Sciences, Jülich, Germany
- Institute of Complex Systems (ICS-8), Research Centre Jülich GmbH, Jülich, Germany
- Michael J. Schöning,
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12
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Tsvetkova IB, Anil Sushma A, Wang JCY, Schaich WL, Dragnea B. Radiation Brightening from Virus-like Particles. ACS NANO 2019; 13:11401-11408. [PMID: 31335115 DOI: 10.1021/acsnano.9b04786] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Concentration quenching is a well-known challenge in many fluorescence imaging applications. Here, we show that the optical emission from hundreds of chromophores confined onto the surface of a 28 nm diameter virus particle can be recovered under pulsed irradiation. We have found that as one increases the number of chromophores tightly bound to the virus surface, fluorescence quenching ensues at first, but when the number of chromophores per particle is nearing the maximum number of surface sites allowable, a sudden brightening of the emitted light and a shortening of the excited-state lifetime are observed. This radiation brightening occurs only under short pulse excitation; steady-state excitation is characterized by conventional concentration quenching for any number of chromophores per particle. The observed suppression of fluorescence quenching is consistent with efficient, collective relaxation at room temperature. Interestingly, radiation brightening disappears when the emitters' spatial and/or dynamic heterogeneity is increased, suggesting that the template structural properties may play a role that could be instrumental in developing virus-enabled imaging vectors that have optical properties qualitatively different than those of state-of-the-art biophotonic agents.
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13
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Plant virus-based materials for biomedical applications: Trends and prospects. Adv Drug Deliv Rev 2019; 145:96-118. [PMID: 30176280 DOI: 10.1016/j.addr.2018.08.011] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 08/06/2018] [Accepted: 08/27/2018] [Indexed: 12/14/2022]
Abstract
Nanomaterials composed of plant viral components are finding their way into medical technology and health care, as they offer singular properties. Precisely shaped, tailored virus nanoparticles (VNPs) with multivalent protein surfaces are efficiently loaded with functional compounds such as contrast agents and drugs, and serve as carrier templates and targeting vehicles displaying e.g. peptides and synthetic molecules. Multiple modifications enable uses including vaccination, biosensing, tissue engineering, intravital delivery and theranostics. Novel concepts exploit self-organization capacities of viral building blocks into hierarchical 2D and 3D structures, and their conversion into biocompatible, biodegradable units. High yields of VNPs and proteins can be harvested from plants after a few days so that various products have reached or are close to commercialization. The article delineates potentials and limitations of biomedical plant VNP uses, integrating perspectives of chemistry, biomaterials sciences, molecular plant virology and process engineering.
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14
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Anantharaman SB, Messmer D, Sadeghpour A, Salentinig S, Nüesch F, Heier J. Excitonic channels from bio-inspired templated supramolecular assembly of J-aggregate nanowires. NANOSCALE 2019; 11:6929-6938. [PMID: 30916072 DOI: 10.1039/c8nr10357g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Supramolecular assemblies with controlled morphology are of paramount importance for energy transport in organic semiconductors. Despite considerable freedom in molecular design, the preparation of dyes that form one dimensional J-aggregates is challenging. Here, we demonstrate a simple and effective route to functionalize dendronized polymers (DPs) with J-aggregates to construct tubular DP/J-aggregate nanowires. When J-aggregates are adsorbed onto DPs anchored to glass substrates, they assemble into microcrystalline domains typical for J-aggregates adsorbed on functionalized surfaces. Differently, the complexation between the dendronized polymer and J-aggregates in solution leads to dense packing of J-aggregate strands on the periphery of the DPs. Using a layer-by-layer (LBL) technique, DPs loaded with J-aggregates can also be adsorbed onto a DP monolayer. In this case, the thin film absorption spectra are narrower and indicate higher ratios of J-aggregate to monomer and dimer absorption than bare J-aggregates deposited similarly. The demonstration of J-aggregate adsorption on filamentous polymeric templates is a promising step toward artificial 1D light harvesting antennas, with potential applications in opto-electronic devices.
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Affiliation(s)
- Surendra B Anantharaman
- Laboratory for Functional Polymers, Swiss Federal Laboratories for Materials Science and Technology (Empa), Überlandstrasse 129, CH-8600 Dübendorf, Switzerland.
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15
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Fratini M, Wiegand T, Funaya C, Jiang Z, Shah PNM, Spatz JP, Cavalcanti-Adam EA, Boulant S. Surface Immobilization of Viruses and Nanoparticles Elucidates Early Events in Clathrin-Mediated Endocytosis. ACS Infect Dis 2018; 4:1585-1600. [PMID: 30200751 DOI: 10.1021/acsinfecdis.8b00134] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Clathrin-mediated endocytosis (CME) is an important entry pathway for viruses. Here, we applied click chemistry to covalently immobilize reovirus on surfaces to study CME during early host-pathogen interactions. To uncouple chemical and physical properties of viruses and determine their impact on CME initiation, we used the same strategy to covalently immobilize nanoparticles of different sizes. Using fluorescence live microscopy and electron microscopy, we confirmed that clathrin recruitment depends on particle size and discovered that the maturation into clathrin-coated vesicles (CCVs) is independent from cargo internalization. Surprisingly, we found that the final size of CCVs appears to be imprinted on the clathrin coat at early stages of cargo-cell interactions. Our approach has allowed us to unravel novel aspects of early interactions between viruses and the clathrin machinery that influence late stages of CME and CCVs formation. This method can be easily and broadly applied to the field of nanotechnology, endocytosis, and virology.
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Affiliation(s)
- Marta Fratini
- Heidelberg University, Department of Infectious Diseases, Virology and German Cancer Research Center, Im Neuenheimer Feld 581, 69120 Heidelberg, Germany
- Max Planck Institute for Medical Research, Department of Cellular Biophysics, Jahnstrasse 29, 69120 Heidelberg, Germany
- Heidelberg University, Institute of Physical Chemistry, Department of Biophysical Chemistry, Im Neuenheimer Feld 253, 69120, Heidelberg, Germany
| | - Tina Wiegand
- Max Planck Institute for Medical Research, Department of Cellular Biophysics, Jahnstrasse 29, 69120 Heidelberg, Germany
- Heidelberg University, Institute of Physical Chemistry, Department of Biophysical Chemistry, Im Neuenheimer Feld 253, 69120, Heidelberg, Germany
| | - Charlotta Funaya
- Heidelberg University, Electron Microscopy Core Facility, Im Neuenheimer Feld 345, 69120 Heidelberg, Germany
| | - Zhongxiang Jiang
- Leica Microsystems GmbH, Am Friedensplatz 3, 68165 Mannheim, Germany
| | - Pranav N. M. Shah
- Heidelberg University, Department of Infectious Diseases, Virology and German Cancer Research Center, Im Neuenheimer Feld 581, 69120 Heidelberg, Germany
| | - Joachim P. Spatz
- Max Planck Institute for Medical Research, Department of Cellular Biophysics, Jahnstrasse 29, 69120 Heidelberg, Germany
- Heidelberg University, Institute of Physical Chemistry, Department of Biophysical Chemistry, Im Neuenheimer Feld 253, 69120, Heidelberg, Germany
| | - Elisabetta Ada Cavalcanti-Adam
- Max Planck Institute for Medical Research, Department of Cellular Biophysics, Jahnstrasse 29, 69120 Heidelberg, Germany
- Heidelberg University, Institute of Physical Chemistry, Department of Biophysical Chemistry, Im Neuenheimer Feld 253, 69120, Heidelberg, Germany
| | - Steeve Boulant
- Heidelberg University, Department of Infectious Diseases, Virology and German Cancer Research Center, Im Neuenheimer Feld 581, 69120 Heidelberg, Germany
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16
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Application of Plant Viruses as a Biotemplate for Nanomaterial Fabrication. Molecules 2018; 23:molecules23092311. [PMID: 30208562 PMCID: PMC6225259 DOI: 10.3390/molecules23092311] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 09/01/2018] [Accepted: 09/04/2018] [Indexed: 01/08/2023] Open
Abstract
Viruses are widely used to fabricate nanomaterials in the field of nanotechnology. Plant viruses are of great interest to the nanotechnology field because of their symmetry, polyvalency, homogeneous size distribution, and ability to self-assemble. This homogeneity can be used to obtain the high uniformity of the templated material and its related properties. In this paper, the variety of nanomaterials generated in rod-like and spherical plant viruses is highlighted for the cowpea chlorotic mottle virus (CCMV), cowpea mosaic virus (CPMV), brome mosaic virus (BMV), and tobacco mosaic virus (TMV). Their recent studies on developing nanomaterials in a wide range of applications from biomedicine and catalysts to biosensors are reviewed.
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17
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Altintoprak K, Seidenstücker A, Krolla-Sidenstein P, Plettl A, Jeske H, Gliemann H, Wege C. RNA-stabilized protein nanorings: high-precision adapters for biohybrid design. BIOINSPIRED BIOMIMETIC AND NANOBIOMATERIALS 2017. [DOI: 10.1680/jbibn.16.00047] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Klara Altintoprak
- Department of Molecular Biology and Plant Virology, Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Stuttgart, Germany
| | | | - Peter Krolla-Sidenstein
- Institute of Functional Interfaces, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany
| | - Alfred Plettl
- Institute of Solid State Physics, University of Ulm, Ulm, Germany
| | - Holger Jeske
- Department of Molecular Biology and Plant Virology, Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Stuttgart, Germany
| | - Hartmut Gliemann
- Institute of Functional Interfaces, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany
| | - Christina Wege
- Department of Molecular Biology and Plant Virology, Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Stuttgart, Germany
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18
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Narayanan KB, Han SS. Icosahedral plant viral nanoparticles - bioinspired synthesis of nanomaterials/nanostructures. Adv Colloid Interface Sci 2017; 248:1-19. [PMID: 28916111 DOI: 10.1016/j.cis.2017.08.005] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2016] [Revised: 08/18/2017] [Accepted: 08/18/2017] [Indexed: 10/18/2022]
Abstract
Viral nanotechnology utilizes virus nanoparticles (VNPs) and virus-like nanoparticles (VLPs) of plant viruses as highly versatile platforms for materials synthesis and molecular entrapment that can be used in the nanotechnological fields, such as in next-generation nanoelectronics, nanocatalysis, biosensing and optics, and biomedical applications, such as for targeting, therapeutic delivery, and non-invasive in vivo imaging with high specificity and selectivity. In particular, plant virus capsids provide biotemplates for the production of novel nanostructured materials with organic/inorganic moieties incorporated in a very precise and controlled manner. Interestingly, capsid proteins of spherical plant viruses can self-assemble into well-organized icosahedral three-dimensional (3D) nanoscale multivalent architectures with high monodispersity and structural symmetry. Using viral genetic and protein engineering of icosahedral viruses with a variety of sizes, the interior, exterior and the interfaces between coat protein (CP) subunits can be manipulated to fabricate materials with a wide range of desirable properties allowing for biomineralization, encapsulation, infusion, controlled self-assembly, and multivalent ligand display of nanoparticles or molecules for varied applications. In this review, we discuss the various functional nanomaterials/nanostructures developed using the VNPs and VLPs of different icosahedral plant viruses and their nano(bio)technological and nanomedical applications.
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19
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Wei T, Du D, Wang Z, Zhang W, Lin Y, Dai Z. Rapid and sensitive detection of microRNA via the capture of fluorescent dyes-loaded albumin nanoparticles around functionalized magnetic beads. Biosens Bioelectron 2017; 94:56-62. [PMID: 28257975 DOI: 10.1016/j.bios.2017.02.044] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2016] [Revised: 02/20/2017] [Accepted: 02/24/2017] [Indexed: 12/29/2022]
Abstract
MicroRNAs (miRNAs) play important roles in gene regulation and cancer development. Nowadays, it is still a challenge to detect low-abundance miRNAs. Here, we present a magnetic fluorescent miRNA sensing system for the rapid and sensitive detection of miRNAs from cell lysates and serum samples. In this system, albumin nanoparticles (Alb NPs) were prepared from inherent biocompatible bovine serum albumin (BSA). A large number of fluorescent dyes were loaded into Alb NPs to make Alb NPs serve as signal molecular nanocarriers for signal amplification. Benefited from the reactive functional groups-carboxyl groups of Alb NPs, p19 protein, a viral protein that can bind and sequester short RNA duplex effectively and selectively, was modified successfully to the surface of the fluorescent dyes-loaded Alb NPs, thus enabling the probe:target miRNA duplex recognition and binding. Followed by the introduction of gold nanoparticles coated magnetic microbeads (Au NPs-MBs), which were prepared through a novel and simple method, the system combined the merits of the rapid and efficient collection given by MBs with the good affinities to attach probe molecules endowed by the coated gold layer. A broad linear detection range of 10fM-10nM and a low detection limit of 9fM were obtained within 100min by detecting a model target miRNA-21. The feasibility of this method for rapid and sensitive quantification might advance the use of miRNAs as biomarkers in clinical praxis significantly.
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Affiliation(s)
- Tianxiang Wei
- Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, PR China; School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, USA; School of Environment, Nanjing Normal University, Nanjing 210023, PR China
| | - Dan Du
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, USA
| | - Zhaoyin Wang
- Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, PR China
| | - Weiwei Zhang
- Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, PR China
| | - Yuehe Lin
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, USA.
| | - Zhihui Dai
- Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, PR China.
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20
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Abstract
Although viruses are simple biological systems, they are capable of evolving highly efficient techniques for infecting cells, expressing their genomes, and generating new copies of themselves. It is possible to genetically manipulate most of the different classes of known viruses in order to produce recombinant viruses that express foreign proteins. Recombinant viruses have been used in gene therapy to deliver selected genes into higher organisms, in vaccinology and immunotherapy, and as important research tools to study the structure and function of these proteins. Virus-like particles (VLPs) are multiprotein structures that mimic the organization and conformation of authentic native viruses but lack the viral genome. They have been applied not only as prophylactic and therapeutic vaccines but also as vehicles in drug and gene delivery and, more recently, as tools in nanobiotechnology. In this chapter, basic and advanced features of viruses and VLPs are presented and their major applications are discussed. The different production platforms based on animal cell technology are explained, and their main challenges and future perspectives are explored. The implications of large-scale production of viruses and VLPs are discussed in the context of process control, monitoring, and optimization. The main upstream and downstream technical challenges are identified and discussed accordingly.
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21
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Sonawane MD, Lee HR, Nimse SB, Song KS, Kim T, Kim SC. Fluorescent Bead-DNA Conjugate-based Dual Signal Amplification Technology. B KOREAN CHEM SOC 2016. [DOI: 10.1002/bkcs.10744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Mukesh Digambar Sonawane
- Institute for Applied Chemistry and Department of Chemistry; Hallym University; Chuncheon 200-702 Korea
| | - Hae Ryong Lee
- Institute for Applied Chemistry and Department of Chemistry; Hallym University; Chuncheon 200-702 Korea
| | - Satish Balasaheb Nimse
- Institute for Applied Chemistry and Department of Chemistry; Hallym University; Chuncheon 200-702 Korea
| | | | - Taisun Kim
- Institute for Applied Chemistry and Department of Chemistry; Hallym University; Chuncheon 200-702 Korea
| | - Sang Cheol Kim
- Institute for Applied Chemistry and Department of Chemistry; Hallym University; Chuncheon 200-702 Korea
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22
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Carradori D, Barreau K, Eyer J. The carbocyanine dye DiD labels in vitro and in vivo neural stem cells of the subventricular zone as well as myelinated structures following in vivo injection in the lateral ventricle. J Neurosci Res 2015; 94:139-48. [PMID: 26566852 DOI: 10.1002/jnr.23694] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2015] [Revised: 09/24/2015] [Accepted: 10/21/2015] [Indexed: 01/06/2023]
Abstract
Carbocyanines are fluorescent lipophilic cationic dyes used since the early 1980s as neuronal tracers. Several applications of these compounds have been developed thanks to their low cell toxicity, lateral diffusion within the cellular membranes, and good photostability. 1,1'-Dioctadecyl-3,3,3',3'-tetramethylindodicarbocyanine 4-chlorobenzenesulfonate (DiD) is an interesting component of this family because, in addition to the classic carbocyanine properties, it has a longer wavelength compared with its analogues. That makes DiD an excellent carbocyanine for labeling cells and tissues with significant intrinsic fluorescence. Drug encapsulation, drug delivery, and cellular transplantation are also fields using DiD-based systems where having detailed knowledge about its behavior as a single entity is important. Recently, promising studies concerned neural stem cells from the subventricular zone of the lateral ventricle in the brain (their natural niche) and their potential therapeutic use. Here, we show that DiD is able to label these stem cells in vitro and present basilar information concerning its pharmacokinetics, concentrations, and microscope protocols. Moreover, when DiD is injected in vivo in the cerebrospinal fluid present in the lateral ventricle of rat, it also labels stem cells as well as myelinated structures of the caudoputamen. This analysis provides a database to consult when planning experiments concerning DiD and neural stem cells from the subventricular zone.
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Affiliation(s)
- Dario Carradori
- Laboratoire Neurobiologie and Transgenèse, LUNAM, INSERM, UPRES-EA3143, Institut de Biologie en Santé, Bâtiment PBH-IRIS, Centre Hospitalier Universitaire, Angers, France
| | - Kristell Barreau
- Laboratoire Neurobiologie and Transgenèse, LUNAM, INSERM, UPRES-EA3143, Institut de Biologie en Santé, Bâtiment PBH-IRIS, Centre Hospitalier Universitaire, Angers, France
| | - Joël Eyer
- Laboratoire Neurobiologie and Transgenèse, LUNAM, INSERM, UPRES-EA3143, Institut de Biologie en Santé, Bâtiment PBH-IRIS, Centre Hospitalier Universitaire, Angers, France
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23
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Priem B, Tian C, Tang J, Zhao Y, Mulder WJM. Fluorescent nanoparticles for the accurate detection of drug delivery. Expert Opin Drug Deliv 2015; 12:1881-94. [PMID: 26292712 DOI: 10.1517/17425247.2015.1074567] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
INTRODUCTION The application of intravenously administered nanoparticle (NP) therapies is increasingly being explored for a variety of diseases. The key to their success lies in a thorough understanding of nanoparticle pharmacological behavior, specificity and elimination kinetics. Fluorescent imaging techniques provide exciting opportunities to gain insight into such NP behavior in complex biological systems, at macroscopic as well as microscopic levels. AREAS COVERED In this review, we will summarize NP labeling methods in relation to their established and emerging fluorescent imaging modalities for in vitro, in vivo, and ex vivo studies of NP behavior. We will highlight novel applications and discuss recent developments in techniques such as fluorescence molecular tomography (FMT), Förster resonance energy transfer (FRET), and Raman imaging. Finally, we will provide a perspective on the challenges and future directions of NP-based fluorescent labeling and imaging in nanotherapeutics. EXPERT OPINION Commonly used in preclinical applications, fluorescent imaging of NPs can be achieved with minimal invasiveness and low toxicity in a multiplex fashion. Increasingly applied in the study of NP biodistribution, dissociation, and elimination behavior, fluorescent imaging allows fluid longitudinal tracking and visualization of NP interactions at the level of the whole animal, target organs/tissues, and individual cells.
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Affiliation(s)
- Bram Priem
- a 1 Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai , New York, New York 10029, USA
| | - Cheng Tian
- a 1 Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai , New York, New York 10029, USA
| | - Jun Tang
- a 1 Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai , New York, New York 10029, USA
| | - Yiming Zhao
- a 1 Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai , New York, New York 10029, USA
| | - Willem J M Mulder
- a 1 Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai , New York, New York 10029, USA .,b 2 Department of Vascular Medicine, Academic Medical Center , Amsterdam 1105 AZ, The Netherlands
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24
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Leng Y, Sun K, Chen X, Li W. Suspension arrays based on nanoparticle-encoded microspheres for high-throughput multiplexed detection. Chem Soc Rev 2015; 44:5552-95. [PMID: 26021602 PMCID: PMC5223091 DOI: 10.1039/c4cs00382a] [Citation(s) in RCA: 157] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Spectrometrically or optically encoded microsphere based suspension array technology (SAT) is applicable to the high-throughput, simultaneous detection of multiple analytes within a small, single sample volume. Thanks to the rapid development of nanotechnology, tremendous progress has been made in the multiplexed detecting capability, sensitivity, and photostability of suspension arrays. In this review, we first focus on the current stock of nanoparticle-based barcodes as well as the manufacturing technologies required for their production. We then move on to discuss all existing barcode-based bioanalysis patterns, including the various labels used in suspension arrays, label-free platforms, signal amplification methods, and fluorescence resonance energy transfer (FRET)-based platforms. We then introduce automatic platforms for suspension arrays that use superparamagnetic nanoparticle-based microspheres. Finally, we summarize the current challenges and their proposed solutions, which are centered on improving encoding capacities, alternative probe possibilities, nonspecificity suppression, directional immobilization, and "point of care" platforms. Throughout this review, we aim to provide a comprehensive guide for the design of suspension arrays, with the goal of improving their performance in areas such as multiplexing capacity, throughput, sensitivity, and cost effectiveness. We hope that our summary on the state-of-the-art development of these arrays, our commentary on future challenges, and some proposed avenues for further advances will help drive the development of suspension array technology and its related fields.
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Affiliation(s)
- Yuankui Leng
- The State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
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25
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Liew PS, Lertanantawong B, Lee SY, Manickam R, Lee YH, Surareungchai W. Electrochemical genosensor assay using lyophilized gold nanoparticles/latex microsphere label for detection of Vibrio cholerae. Talanta 2015; 139:167-73. [DOI: 10.1016/j.talanta.2015.02.054] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Revised: 02/08/2015] [Accepted: 02/09/2015] [Indexed: 12/28/2022]
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26
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Gain-assisted plasmonic metamaterials: mimicking nature to go across scales. RENDICONTI LINCEI 2015. [DOI: 10.1007/s12210-015-0397-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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27
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Wen AM, Infusino M, De Luca A, Kernan DL, Czapar AE, Strangi G, Steinmetz NF. Interface of physics and biology: engineering virus-based nanoparticles for biophotonics. Bioconjug Chem 2015; 26:51-62. [PMID: 25541212 PMCID: PMC4306514 DOI: 10.1021/bc500524f] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
![]()
Virus-based nanoparticles (VNPs)
have been used for a wide range
of applications, spanning basic materials science and translational
medicine. Their propensity to self-assemble into precise structures
that offer a three-dimensional scaffold for functionalization has
led to their use as optical contrast agents and related biophotonics
applications. A number of fluorescently labeled platforms have been
developed and their utility in optical imaging demonstrated, yet their
optical properties have not been investigated in detail. In this study,
two VNPs of varying architectures were compared side-by-side to determine
the impact of dye density, dye localization, conjugation chemistry,
and microenvironment on the optical properties of the probes. Dyes
were attached to icosahedral cowpea mosaic virus (CPMV) and rod-shaped
tobacco mosaic virus (TMV) through a range of chemistries to target
particular side chains displayed at specific locations around the
virus. The fluorescence intensity and lifetime of the particles were
determined, first using photochemical experiments on the benchtop,
and second in imaging experiments using tissue culture experiments.
The virus-based optical probes were found to be extraordinarily robust
under ultrashort, pulsed laser light conditions with a significant
amount of excitation energy, maintaining structural and chemical stability.
The most effective fluorescence output was achieved through dye placement
at optimized densities coupled to the exterior surface avoiding conjugated
ring systems. Lifetime measurements indicate that fluorescence output
depends not only on spacing the fluorophores, but also on dimer stacking
and configurational changes leading to radiationless relaxation—and
these processes are related to the conjugation chemistry and nanoparticle
shape. For biological applications, the particles were also examined
in tissue culture, from which it was found that the optical properties
differed from those found on the benchtop due to effects from cellular
processes and uptake kinetics. Data indicate that fluorescent cargos
are released in the endolysosomal compartment of the cell targeted
by the virus-based optical probes. These studies provide insight into
the optical properties and fates of fluorescent proteinaceous imaging
probes. The cellular release of cargo has implications not only for
virus-based optical probes, but also for drug delivery and release
systems.
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Affiliation(s)
- Amy M Wen
- Departments of Biomedical Engineering, ‡Physics, §Pathology, ∥Radiology, ⊥Materials Science and Engineering, and #Macromolecular Science and Engineering, Case Western Reserve University , Cleveland, Ohio 44106, United States
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28
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Tian R, Qu Y, Zheng X. Amplified fluorescence quenching of lucigenin self-assembled inside silica/chitosan nanoparticles by Cl⁻. Anal Chem 2014; 86:9114-21. [PMID: 25135186 DOI: 10.1021/ac5018502] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Fluorescence sensing of an analyte based on the fluorophore collective effect is a reliable, sensitive sensing approach. Many ultralow targets can be detected on the basis of the high sensitivity and signal amplification of the fluorescence sensing system. However, the complicated synthesis procedures, harsh conditions required to design and control the fluorescence molecular probes and conjugated chain length, and the higher cost of synthesis are still challenges. To address these issues, we developed a simple, rapid, and sensitive collective effect based fluorescence sensing platform. In this sensing platform, the fluorophore unit was self-assembled on the wall of the nanopores of the porous structural silica/chitosan nanoparticles (SCNPs) on the basis of the electrostatic interaction and supermolecular interaction between the fluorophores and SiO(-) groups and chitosan. Since these self-assembled fluorophores are close enough to communicate with each other on the basis of the space confinement effect of the pore size, many fluorophore units could interact with a single analyte and produce an amplified fluorescence sensing ability. Chloride ion, an important anion in biological fluids, and lucigenin, a typical fluorescent dye, were used as a model to confirm the proof-of-concept strategy. Our results showed that, compared to free-state lucigenin in solution, the assembled-state lucigenin in SCNPs presented an about 10-fold increase in its Stern-Volmer constant when the concentration of Cl(-) was lower than 10 mM, and this fluorescence nanosensor was also successfully used to sense the chloride ion in living cells.
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Affiliation(s)
- Rui Tian
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University , Xi'an, 710062 Shaanxi, People's Republic of China
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29
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Abstract
Tailless T4 nanoparticles (NPs) have large surface areas consisting of more than 10(5) diverse surface reactive groups and offer great flexibility in chemical modification for tailoring the desired functionality. Dye-conjugated T4 NPs exhibiting bright fluorescence are biocompatible and can be internalized by various eukaryotic cells which land themselves as excellent cellular imaging agents. Here, we describe the preparation of engineered T4 NPs including dye-conjugation and characterization, and the procedure for cellular uptake and confocal microscopy.
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Affiliation(s)
- Jinny L Liu
- Naval Research Laboratory, Center for Bio/Molecular Science and Engineering, Washington, DC, USA
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30
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A programmable fluorescent viral nanoblock: sensing made easy in a single step. METHODS IN MOLECULAR BIOLOGY (CLIFTON, N.J.) 2013; 1108:155-72. [PMID: 24243248 DOI: 10.1007/978-1-62703-751-8_12] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Viral nanoblock provides specific positioning of recognition moieties and dye molecules which can be used as a signal-generating element and enhance detection sensitivity. The methods described herein use a 30 nm viral nanoblock to couple a variety of proteins and peptides for the incorporation of recognition elements along with a large number of dye molecules (200). The bioconjugation techniques were adapted and optimized over the years to fabricate nanoparticles that exhibit high fluorescence output while maintaining the selectivity of the target receptors. These complexes can be used for the detection of pathogens and toxins in a single step since both receptor and reporter are in the same viral nanoblock. Its stability and nanometer size allows for its utilization in well-established sensing platforms like microarrays.
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31
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Pauli J, Licha K, Berkemeyer J, Grabolle M, Spieles M, Wegner N, Welker P, Resch-Genger U. New Fluorescent Labels with Tunable Hydrophilicity for the Rational Design of Bright Optical Probes for Molecular Imaging. Bioconjug Chem 2013; 24:1174-85. [PMID: 23758616 DOI: 10.1021/bc4000349] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Jutta Pauli
- BAM Federal Institute for Materials Research and Testing, Division 1.10 Biophotonics,
Richard-Willstaetter-Strasse 11, D-12489 Berlin, Germany
| | - Kai Licha
- mivenion GmbH, Robert-Koch-Platz 4, D-10115 Berlin, Germany
| | - Janis Berkemeyer
- BAM Federal Institute for Materials Research and Testing, Division 1.10 Biophotonics,
Richard-Willstaetter-Strasse 11, D-12489 Berlin, Germany
| | - Markus Grabolle
- BAM Federal Institute for Materials Research and Testing, Division 1.10 Biophotonics,
Richard-Willstaetter-Strasse 11, D-12489 Berlin, Germany
| | - Monika Spieles
- BAM Federal Institute for Materials Research and Testing, Division 1.10 Biophotonics,
Richard-Willstaetter-Strasse 11, D-12489 Berlin, Germany
| | - Nicole Wegner
- mivenion GmbH, Robert-Koch-Platz 4, D-10115 Berlin, Germany
| | - Pia Welker
- mivenion GmbH, Robert-Koch-Platz 4, D-10115 Berlin, Germany
| | - Ute Resch-Genger
- BAM Federal Institute for Materials Research and Testing, Division 1.10 Biophotonics,
Richard-Willstaetter-Strasse 11, D-12489 Berlin, Germany
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32
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Lenaghan SC, Yongzhong Wang, Ning Xi, Fukuda T, Tarn T, Hamel WR, Mingjun Zhang. Grand Challenges in Bioengineered Nanorobotics for Cancer Therapy. IEEE Trans Biomed Eng 2013; 60:667-73. [DOI: 10.1109/tbme.2013.2244599] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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33
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Sapsford KE, Algar WR, Berti L, Gemmill KB, Casey BJ, Oh E, Stewart MH, Medintz IL. Functionalizing nanoparticles with biological molecules: developing chemistries that facilitate nanotechnology. Chem Rev 2013; 113:1904-2074. [PMID: 23432378 DOI: 10.1021/cr300143v] [Citation(s) in RCA: 818] [Impact Index Per Article: 74.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Kim E Sapsford
- Division of Biology, Department of Chemistry and Materials Science, Office of Science and Engineering Laboratories, U.S. Food and Drug Administration, Silver Spring, Maryland 20993, United States
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34
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Bittner AM, Alonso JM, Górzny ML, Wege C. Nanoscale science and technology with plant viruses and bacteriophages. Subcell Biochem 2013; 68:667-702. [PMID: 23737068 DOI: 10.1007/978-94-007-6552-8_22] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
Abstract
Nanoscale science refers to the study and manipulation of matter at the atomic and molecular scales, including nanometer-sized single objects, while nanotechnology is used for the synthesis, characterization, and for technical applications of structures up to 100 nm size (and more). The broad nature of the fields encompasses disciplines such as solid-state physics, microfabrication, molecular biology, surface science, organic chemistry and also virology. Indeed, viruses and viral particles constitute nanometer-sized ordered architectures, with some of them even able to self-assemble outside cells. They possess remarkable physical, chemical and biological properties, their structure can be tailored by genetic engineering and by chemical means, and their production is commercially viable. As a consequence, viruses are becoming the basis of a new approach to the manufacture of nanoscale materials, made possible only by the development of imaging and manipulation techniques. Such techniques reach the scale of single molecules and nanoparticles. The most important ones are electron microscopy and scanning probe microscopy (both awarded with the Nobel Prize in Physics 1986 for the engineers and scientists who developed the respective instruments). With nanotechnology being based more on experimental than on theoretical investigations, it emerges that physical virology can be seen as an intrinsic part of it.
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Zhou J, Li W, Gao C. Functionalized Nanomaterials. Regen Med 2013. [DOI: 10.1007/978-94-007-5690-8_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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36
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Robertson KL, Liu JL. Engineered viral nanoparticles for flow cytometry and fluorescence microscopy applications. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2012; 4:511-24. [PMID: 22700447 DOI: 10.1002/wnan.1177] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Viral nanoparticles (VNPs) are attractive platforms for use in the biotechnology and biomedical fields because of their biological nature. A wide variety of these particles, labeled with fluorescent reporters, have been characterized using flow cytometry and cellular imaging techniques. Fluorescence microscopy allows the direct observation of VNPs on the cell surface or inside the membrane as well as the cellular localization of the nanoparticles while flow cytometry allows the statistical quantification of nanoparticle uptake and targeting specificity. These techniques are essential when characterizing the properties of VNPs and provide information toward the use of VNPs for targeting, imaging, and/or cargo delivery.
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Affiliation(s)
- Kelly L Robertson
- Center for Bio/Molecular Science and Engineering, Naval Research Laboratory, Washington, DC, USA.
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37
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Affiliation(s)
- Yin Nah Teo
- Department of Chemistry, Stanford University, California 94305, United States
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38
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Sol-gel Coated Fiberoptic Applicator for Photodynamic Medicine - Optical and AFM Characterization. Biocybern Biomed Eng 2012. [DOI: 10.1016/s0208-5216(12)70031-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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39
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Natilla A, Hammond RW. Maize rayado fino virus virus-like particles expressed in tobacco plants: A new platform for cysteine selective bioconjugation peptide display. J Virol Methods 2011; 178:209-15. [PMID: 21963393 DOI: 10.1016/j.jviromet.2011.09.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2011] [Revised: 09/09/2011] [Accepted: 09/15/2011] [Indexed: 11/18/2022]
Abstract
Maize rayado fino virus (MRFV) virus-like-particles (VLPs) produced in tobacco plants were examined for their ability to serve as a novel platform to which a variety of peptides can be covalently displayed when expressed through a Potato virus X (PVX)-based vector. To provide an anchor for chemical modifications, three Cys-MRFV-VLPs mutants were created by substituting several of the amino acids present on the shell of the wild-type MRFV-VLPs with cysteine residues. The mutant designated Cys 2-VLPs exhibited, under native conditions, cysteine thiol reactivity in bioconjugation reactions with a fluorescent dye. In addition, this Cys 2-VLPs was cross-linked by NHS-PEG4-Maleimide to 17 (F) and 8 (HN) amino acid long peptides, corresponding to neutralizing epitopes of Newcastle disease virus (NDV). The resulting Cys 2-VLPs-F and Cys 2-VLPs-HN were recognized in Western blots by antibodies to MRFV as well as to F and HN. The results demonstrated that plant-produced MRFV-VLPs have the ability to function as a novel platform for the multivalent display of surface ligands.
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Affiliation(s)
- Angela Natilla
- United States Department of Agriculture, Agricultural Research Service, Plant Sciences Institute, Molecular Plant Pathology Laboratory, Beltsville, MD 20705, USA.
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40
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Wang T, Zhang Z, Gao D, Li F, Wei H, Liang X, Cui Z, Zhang XE. Encapsulation of gold nanoparticles by simian virus 40 capsids. NANOSCALE 2011; 3:4275-4282. [PMID: 21879117 DOI: 10.1039/c1nr10568j] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Viral capsid-nanoparticle hybrid structures constitute a new type of nanoarchitecture that can be used for various applications. We previously constructed a hybrid structure comprising quantum dots encapsulated by simian virus 40 (SV40) capsids for imaging viral infection pathways. Here, gold nanoparticles (AuNPs) are encapsulated into SV40 capsids and the effect of particle size and surface ligands (i.e. mPEG and DNA) on AuNP encapsulation is studied. Particle size and surface decoration play complex roles in AuNP encapsulation by SV40 capsids. AuNPs ≥15 nm (when coated with mPEG750 rather than mPEG2000), or ≥10 nm (when coated with 10T or 50T DNA) can be encapsulated. Encapsulation efficiency increased as the size of the AuNPs increased from 10 to 30 nm. In addition, the electrostatic interactions derived from negatively charged DNA ligands on the AuNP surfaces promote encapsulation when the AuNPs have a small diameter (i.e. 10 nm and 15 nm). Moreover, the SV40 capsid is able to carry mPEG750-modified 15-nm AuNPs into living Vero cells, whereas the mPEG750-modified 15-nm AuNPs alone cannot enter cells. These results will improve our understanding of the mechanisms underlying nanoparticle encapsulation in SV40 capsids and enable the construction of new functional hybrid nanostructures for cargo delivery.
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Affiliation(s)
- Tingjuan Wang
- State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, No.44, Xiaohongshan, Wuhan 430071, P. R. China
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41
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Lee SY, Lim JS, Harris MT. Synthesis and application of virus-based hybrid nanomaterials. Biotechnol Bioeng 2011; 109:16-30. [DOI: 10.1002/bit.23328] [Citation(s) in RCA: 88] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2011] [Revised: 08/17/2011] [Accepted: 08/31/2011] [Indexed: 12/13/2022]
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Abstract
Optical imaging has emerged as a powerful modality for studying molecular recognitions and molecular imaging in a noninvasive, sensitive, and real-time way. Some advantages of optical imaging include cost-effectiveness, convenience, and non-ionization safety as well as complementation with other imaging modalities such as positron emission tomography (PET), single-photon emission computed tomography (SPECT), and magnetic resonance imaging (MRI). Over the past decade, considerable advances have been made in tumor optical imaging by targeting integrin receptors in preclinical studies. This review has emphasized the construction and evaluation of diverse integrin targeting agents for optical imaging of tumors in mouse models. They mainly include some near-infrared fluorescent dye-RGD peptide conjugates, their multivalent analogs, and nanoparticle conjugates for targeting integrin αvβ3. Some compounds targeting other integrin subtypes such as α4β1 and α3 for tumor optical imaging have also been included. Both in vitro and in vivo studies have revealed some promising integrin-targeting optical agents which have further enhanced our understanding of integrin expression and targeting in cancer biology as well as related anticancer drug discovery. Especially, some integrin-targeted multifunctional optical agents including nanoparticle-based optical agents can multiplex optical imaging with other imaging modalities and targeted therapy, serving as an attractive type of theranostics for simultaneous imaging and targeted therapy. Continued efforts to discover and develop novel, innovative integrin-based optical agents with improved targeting specificity and imaging sensitivity hold great promises for improving cancer early detection, diagnosis, and targeted therapy in clinic.
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Uchida M, Kosuge H, Terashima M, Willits DA, Liepold LO, Young MJ, McConnell MV, Douglas T. Protein cage nanoparticles bearing the LyP-1 peptide for enhanced imaging of macrophage-rich vascular lesions. ACS NANO 2011; 5:2493-502. [PMID: 21391720 PMCID: PMC3082619 DOI: 10.1021/nn102863y] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Cage-like protein nanoparticles are promising platforms for cell- and tissue-specific targeted delivery of imaging and therapeutic agents. Here, we have successfully modified the 12 nm small heat shock protein from Methanococcus jannaschii (MjHsp) to detect atherosclerotic plaque lesions in a mouse model system. As macrophages are centrally involved in the initiation and progression of atherosclerosis, targeted imaging of macrophages is valuable to assess the biologic status of the blood vessel wall. LyP-1, a nine residue peptide, has been shown to target tumor-associated macrophages. Thus, LyP-1 was genetically incorporated onto the exterior surface of MjHsp, while a fluorescent molecule (Cy5.5) was conjugated on the interior cavity. This bioengineered protein cage, LyP-Hsp, exhibited enhanced affinity to macrophage in vitro. Furthermore, in vivo injection of LyP-Hsp allowed visualization of macrophage-rich murine carotid lesions by in situ and ex vivo fluorescence imaging. These results demonstrate the potential of LyP-1-conjugated protein cages as nanoscale platforms for delivery of imaging agents for the diagnosis of atherosclerosis.
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Affiliation(s)
- Masaki Uchida
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana, 59717
- Department of Plant Sciences, Montana State University, Bozeman, Montana, 59717
| | - Hisanori Kosuge
- Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Masahiro Terashima
- Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Deborah A. Willits
- Department of Plant Sciences, Montana State University, Bozeman, Montana, 59717
- Center for Bio-Inspired Nanomaterials (CBIN), Montana State University, Bozeman, Montana, 59717
| | - Lars O. Liepold
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana, 59717
- Center for Bio-Inspired Nanomaterials (CBIN), Montana State University, Bozeman, Montana, 59717
| | - Mark J. Young
- Department of Plant Sciences, Montana State University, Bozeman, Montana, 59717
- Center for Bio-Inspired Nanomaterials (CBIN), Montana State University, Bozeman, Montana, 59717
| | - Michael V. McConnell
- Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Trevor Douglas
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana, 59717
- Center for Bio-Inspired Nanomaterials (CBIN), Montana State University, Bozeman, Montana, 59717
- Corresponding author: Trevor Douglas, Professor of Chemistry, Montana State University, Department of Chemistry & Biochemistry, 113 Chemistry and Biochemistry Building, Bozeman, MT 59715, phone (406)994-6566, fax (406) 994-5407,
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Robertson KL, Soto CM, Archer MJ, Odoemene O, Liu JL. Engineered T4 Viral Nanoparticles for Cellular Imaging and Flow Cytometry. Bioconjug Chem 2011; 22:595-604. [DOI: 10.1021/bc100365j] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kelly L. Robertson
- Contributed from the Center of for Bio/Molecular Science and Engineering, Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, DC 20375, United States
| | - Carissa M. Soto
- Contributed from the Center of for Bio/Molecular Science and Engineering, Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, DC 20375, United States
| | - Marie J. Archer
- Contributed from the Center of for Bio/Molecular Science and Engineering, Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, DC 20375, United States
| | - Onyekachi Odoemene
- Contributed from the Center of for Bio/Molecular Science and Engineering, Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, DC 20375, United States
| | - Jinny L. Liu
- Contributed from the Center of for Bio/Molecular Science and Engineering, Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, DC 20375, United States
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Blum AS, Soto CM, Sapsford KE, Wilson CD, Moore MH, Ratna BR. Molecular electronics based nanosensors on a viral scaffold. Biosens Bioelectron 2011; 26:2852-7. [DOI: 10.1016/j.bios.2010.11.021] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2010] [Revised: 11/04/2010] [Accepted: 11/15/2010] [Indexed: 10/18/2022]
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46
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Functionalized Nanomaterials. Regen Med 2011. [DOI: 10.1007/978-90-481-9075-1_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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47
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Roldão A, Silva A, Mellado M, Alves P, Carrondo M. Viruses and Virus-Like Particles in Biotechnology. COMPREHENSIVE BIOTECHNOLOGY 2011. [PMCID: PMC7151966 DOI: 10.1016/b978-0-08-088504-9.00072-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Although viruses are simple biological systems, they are capable of evolving highly efficient techniques for infecting cells, expressing their genomes, and generating new copies of themselves. It is possible to genetically manipulate most of the different classes of known viruses in order to produce recombinant viruses that express foreign proteins. Recombinant viruses have been used in gene therapy to deliver selected genes into higher organisms, in vaccinology and immunotherapy, and as important research tools to study the structure and function of these proteins. Virus-like particles (VLPs) are multiprotein structures that mimic the organization and conformation of authentic native viruses but lack the viral genome. They have been applied not only as prophylactic and therapeutic vaccines but also as vehicles in drug and gene delivery and, more recently, as tools in nanobiotechnology. In this article, basic and advanced features of viruses and VLPs are presented and their major applications are discussed. The different production platforms based on animal cell technology are explained, and their main challenges and future perspectives are explored. The implications of large-scale production of viruses and VLPs are discussed in the context of process control, monitorization, and optimization. The main upstream and downstream technical challenges are identified and discussed accordingly.
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Abstract
The coat proteins of many viruses spontaneously form icosahedral capsids around nucleic acids or other polymers. Elucidating the role of the packaged polymer in capsid formation could promote biomedical efforts to block viral replication and enable use of capsids in nanomaterials applications. To this end, we perform Brownian dynamics on a coarse-grained model that describes the dynamics of icosahedral capsid assembly around a flexible polymer. We identify several mechanisms by which the polymer plays an active role in its encapsulation, including cooperative polymer-protein motions. These mechanisms are related to experimentally controllable parameters such as polymer length, protein concentration and solution conditions. Furthermore, the simulations demonstrate that assembly mechanisms are correlated with encapsulation efficiency, and we present a phase diagram that predicts assembly outcomes as a function of experimental parameters. We anticipate that our simulation results will provide a framework for designing in vitro assembly experiments on single-stranded RNA virus capsids.
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Affiliation(s)
- Oren M Elrad
- Department of Physics, Brandeis University, Waltham, MA, USA
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49
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Lockney DM, Guenther RN, Loo L, Overton W, Antonelli R, Clark J, Hu M, Luft C, Lommel SA, Franzen S. The Red clover necrotic mosaic virus Capsid as a Multifunctional Cell Targeting Plant Viral Nanoparticle. Bioconjug Chem 2010; 22:67-73. [DOI: 10.1021/bc100361z] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Dustin M. Lockney
- Department of Chemistry and Department of Plant Pathology, North Carolina State University, Raleigh, North Carolina 27695, United States, and NanoVector, Inc., P. O. Box 98385, Raleigh, North Carolina 27624-8385, United States
| | - Richard N. Guenther
- Department of Chemistry and Department of Plant Pathology, North Carolina State University, Raleigh, North Carolina 27695, United States, and NanoVector, Inc., P. O. Box 98385, Raleigh, North Carolina 27624-8385, United States
| | - Lina Loo
- Department of Chemistry and Department of Plant Pathology, North Carolina State University, Raleigh, North Carolina 27695, United States, and NanoVector, Inc., P. O. Box 98385, Raleigh, North Carolina 27624-8385, United States
| | - Wesley Overton
- Department of Chemistry and Department of Plant Pathology, North Carolina State University, Raleigh, North Carolina 27695, United States, and NanoVector, Inc., P. O. Box 98385, Raleigh, North Carolina 27624-8385, United States
| | - Ray Antonelli
- Department of Chemistry and Department of Plant Pathology, North Carolina State University, Raleigh, North Carolina 27695, United States, and NanoVector, Inc., P. O. Box 98385, Raleigh, North Carolina 27624-8385, United States
| | - Jennifer Clark
- Department of Chemistry and Department of Plant Pathology, North Carolina State University, Raleigh, North Carolina 27695, United States, and NanoVector, Inc., P. O. Box 98385, Raleigh, North Carolina 27624-8385, United States
| | - Mei Hu
- Department of Chemistry and Department of Plant Pathology, North Carolina State University, Raleigh, North Carolina 27695, United States, and NanoVector, Inc., P. O. Box 98385, Raleigh, North Carolina 27624-8385, United States
| | - Chris Luft
- Department of Chemistry and Department of Plant Pathology, North Carolina State University, Raleigh, North Carolina 27695, United States, and NanoVector, Inc., P. O. Box 98385, Raleigh, North Carolina 27624-8385, United States
| | - Steven A. Lommel
- Department of Chemistry and Department of Plant Pathology, North Carolina State University, Raleigh, North Carolina 27695, United States, and NanoVector, Inc., P. O. Box 98385, Raleigh, North Carolina 27624-8385, United States
| | - Stefan Franzen
- Department of Chemistry and Department of Plant Pathology, North Carolina State University, Raleigh, North Carolina 27695, United States, and NanoVector, Inc., P. O. Box 98385, Raleigh, North Carolina 27624-8385, United States
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50
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Mateu MG. Virus engineering: functionalization and stabilization. Protein Eng Des Sel 2010; 24:53-63. [PMID: 20923881 DOI: 10.1093/protein/gzq069] [Citation(s) in RCA: 94] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Chemically and/or genetically engineered viruses, viral capsids and viral-like particles carry the promise of important and diverse applications in biomedicine, biotechnology and nanotechnology. Potential uses include new vaccines, vectors for gene therapy and targeted drug delivery, contrast agents for molecular imaging and building blocks for the construction of nanostructured materials and electronic nanodevices. For many of the contemplated applications, the improvement of the physical stability of viral particles may be critical to adequately meet the demanding physicochemical conditions they may encounter during production, storage and/or medical or industrial use. The first part of this review attempts to provide an updated general overview of the fast-moving, interdisciplinary virus engineering field; the second part focuses specifically on the modification of the physical stability of viral particles by protein engineering, an emerging subject that has not been reviewed before.
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Affiliation(s)
- Mauricio G Mateu
- Centro de Biología Molecular 'Severo Ochoa' (CSIC-UAM), Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain.
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