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Shaik S, Kumar R, Chaudhary M, Kaur C, Khurana N, Singh G. Artificial viruses: A nanotechnology based approach. Daru 2024; 32:339-352. [PMID: 38105369 PMCID: PMC11087390 DOI: 10.1007/s40199-023-00496-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 12/05/2023] [Indexed: 12/19/2023] Open
Abstract
OBJECTIVES The main objective of this work was to review and summarise the detailed literature available on viral nanoparticle and the strategies utilised for their manufacture along with their applications as therapeutic agents. DATA ACQUISITION The reported literature related to development and application of virus nanoparticles have been collected from electronic data bases like ScienceDirect, google scholar, PubMed by using key words like "viral nanoparticles", "targeted drug delivery" and "vaccines" and related combinations. RESULT From the detailed literature survey, virus nanoparticles were identified as carriers for the targeted delivery. Due to the presence of nanostructures in virus nanoparticles, these protect the drugs from the degradation in the gastrointestinal tract and in case of the delivery of gene medicine, they carry the nucleic acids to the target/susceptible host cells. Thus, artificial viruses are utilised for targeted delivery to specific organ in biomedical and biotechnological areas. CONCLUSION Thus, virus nanoparticles can be considered as viable option as drug/gene carrier in various healthcare sectors especially drug delivery and vaccine and can be explored further in future for the development of better drug delivery techniques.
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Affiliation(s)
- Shareef Shaik
- School of Pharmaceutical Sciences, Lovely Professional University, Punjab, India
| | - Rajesh Kumar
- School of Pharmaceutical Sciences, Lovely Professional University, Punjab, India
| | - Manish Chaudhary
- School of Pharmaceutical Sciences, Lovely Professional University, Punjab, India
| | - Charanjit Kaur
- School of Pharmaceutical Sciences, Lovely Professional University, Punjab, India
| | - Navneet Khurana
- School of Pharmaceutical Sciences, Lovely Professional University, Punjab, India
| | - Gurvinder Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Punjab, India.
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2
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Caparco AA, González-Gamboa I, Hays SS, Pokorski JK, Steinmetz NF. Delivery of Nematicides Using TMGMV-Derived Spherical Nanoparticles. NANO LETTERS 2023. [PMID: 37327572 DOI: 10.1021/acs.nanolett.3c01684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Spherical nanoparticles (SNPs) from tobacco mild green mosaic virus (TMGMV) were developed and characterized, and their application for agrochemical delivery was demonstrated. Specifically, we set out to develop a platform for pesticide delivery targeting nematodes in the rhizosphere. SNPs were obtained by thermal shape-switching of the TMGMV. We demonstrated that cargo can be loaded into the SNPs during thermal shape-switching, enabling the one-pot synthesis of functionalized nanocarriers. Cyanine 5 and ivermectin were encapsulated into SNPs to achieve 10% mass loading. SNPs demonstrated good mobility and soil retention slightly higher than that of TMGMV rods. Ivermectin delivery to Caenorhabditis elegans using SNPs was determined after passing the formulations through soil. Using a gel burrowing assay, we demonstrate the potent efficacy of SNP-delivered ivermectin against nematodes. Like many pesticides, free ivermectin is adsorbed in the soil and did not show efficacy. The SNP nanotechnology offers good soil mobility and a platform technology for pesticide delivery to the rhizosphere.
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Affiliation(s)
- Adam A Caparco
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Ivonne González-Gamboa
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Samuel S Hays
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Jonathan K Pokorski
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, United States
- Institute for Materials Discovery and Design, University of California, San Diego, La Jolla, California 92093, United States
| | - Nicole F Steinmetz
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, United States
- Department of Bioengineering, University of California, San Diego, La Jolla, California 92093, United States
- Department of Radiology, University of California, San Diego, La Jolla, California 92093, United States
- Center for Nano-ImmunoEngineering, University of California, San Diego, La Jolla, California 92093, United States
- Institute for Materials Discovery and Design, University of California, San Diego, La Jolla, California 92093, United States
- Moores Cancer Center, University of California, San Diego, La Jolla, California 92093, United States
- Center for Engineering in Cancer, Institute for Engineering in Medicine, University of California, San Diego, La Jolla, California 92093, United States
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3
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Bischoff AJ, Harper CC, Williams ER, Francis MB. Characterizing Heterogeneous Mixtures of Assembled States of the Tobacco Mosaic Virus Using Charge Detection Mass Spectrometry. J Am Chem Soc 2022; 144:23368-23378. [PMID: 36525679 PMCID: PMC10395586 DOI: 10.1021/jacs.2c09160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The tobacco mosaic viral capsid protein (TMV) is a frequent target for derivatization for myriad applications, including drug delivery, biosensing, and light harvesting. However, solutions of the stacked disk assembly state of TMV are difficult to characterize quantitatively due to their large size and multiple assembled states. Charge detection mass spectrometry (CDMS) addresses the need to characterize heterogeneous populations of large protein complexes in solution quickly and accurately. Using CDMS, previously unobserved assembly states of TMV, including 16-monomer disks and odd-numbered disk stacks, have been characterized. We additionally employed a peptide-protein conjugation reaction in conjunction with CDMS to demonstrate that modified TMV proteins do not redistribute between disks. Finally, this technique was used to discriminate between protein complexes of near-identical mass but different configurations. We have gained a greater understanding of the behavior of TMV, a protein used across a broad variety of fields and applications, in the solution state.
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Affiliation(s)
- Amanda J. Bischoff
- College of Chemistry, University of California, Berkeley, California, 94720, United States
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratories, Berkeley, California, 94720, United States
| | - Conner C. Harper
- College of Chemistry, University of California, Berkeley, California, 94720, United States
| | - Evan R. Williams
- College of Chemistry, University of California, Berkeley, California, 94720, United States
| | - Matthew B. Francis
- College of Chemistry, University of California, Berkeley, California, 94720, United States
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratories, Berkeley, California, 94720, United States
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4
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González-Gamboa I, Caparco AA, McCaskill JM, Steinmetz NF. Bioconjugation Strategies for Tobacco Mild Green Mosaic Virus. Chembiochem 2022; 23:e202200323. [PMID: 35835718 PMCID: PMC9624232 DOI: 10.1002/cbic.202200323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/03/2022] [Indexed: 11/06/2022]
Abstract
Tobacco mild green mosaic virus (TMGMV) is a plant virus closely related to Tobacco mosaic virus (TMV), sharing many of its structural and chemical features. These rod-shaped viruses, comprised of 2130 identical coat protein subunits, have been utilized as nanotechnological platforms for a myriad of applications, ranging from drug delivery to precision agriculture. This versatility for functionalization is due to their chemically active external and internal surfaces. While both viruses are similar, they do exhibit some key differences in their surface chemistry, suggesting the reactive residue distribution on TMGMV should not overlap with TMV. In this work, we focused on the establishment and refinement of chemical bioconjugation strategies to load molecules into or onto TMGMV for targeted delivery. A combination of NHS, EDC, and diazo coupling reactions in combination with click chemistry were used to modify the N-terminus, glutamic/aspartic acid residues, and tyrosines in TMGMV. We report loading with over 600 moieties per TMGMV via diazo-coupling, which is a >3-fold increase compared to previous studies. We also report that cargo can be loaded to the solvent-exposed N-terminus and carboxylates on the exterior/interior surfaces. Mass spectrometry revealed the most reactive sites to be Y12 and Y72, both tyrosine side chains are located on the exterior surface. For the carboxylates, interior E106 (66.53 %) was the most reactive for EDC-propargylamine coupled reactions, with the exterior E145 accounting for >15 % reactivity, overturning previous assumptions that only interior glutamic acid residues are accessible. A deeper understanding of the chemical properties of TMGMV further enables its functionalization and use as a multifunctional nanocarrier platform for applications in medicine and precision farming.
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Affiliation(s)
- Ivonne González-Gamboa
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
| | - Adam A Caparco
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
| | - Justin M McCaskill
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
| | - Nicole F Steinmetz
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
- Department of Bioengineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
- Department of Radiology, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
- Center for Nano-ImmunoEngineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
- Institute for Materials Discovery and Design, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
- Moores Cancer Center, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
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5
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Kondakova OA, Evtushenko EA, Baranov OA, Nikitin NA, Karpova OV. Structurally Modified Plant Viruses and Bacteriophages with Helical Structure. Properties and Applications. BIOCHEMISTRY (MOSCOW) 2022; 87:548-558. [PMID: 35790410 PMCID: PMC9201271 DOI: 10.1134/s0006297922060062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Structurally modified virus particles can be obtained from the rod-shaped or filamentous virions of plant viruses and bacteriophages by thermal or chemical treatment. They have recently attracted attention of the researchers as promising biogenic platforms for the development of new biotechnologies. This review presents data on preparation, structure, and properties of the structurally modified virus particles. In addition, their biosafety for animals is considered, as well as the areas of application of such particles in biomedicine. A separate section is devoted to one of the most relevant and promising areas for the use of structurally modified plant viruses – design of vaccine candidates based on them.
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Affiliation(s)
- Olga A Kondakova
- Faculty of Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
| | | | - Oleg A Baranov
- Faculty of Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
| | - Nikolai A Nikitin
- Faculty of Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
| | - Olga V Karpova
- Faculty of Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
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6
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Dönmez Güngüneş Ç, Başçeken S, Elçin AE, Elçin YM. Fabrication and Molecular Modeling of Navette-Shaped Fullerene Nanorods Using Tobacco Mosaic Virus as a Nanotemplate. Mol Biotechnol 2022; 64:681-692. [PMID: 35067850 DOI: 10.1007/s12033-021-00440-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 12/13/2021] [Indexed: 10/19/2022]
Abstract
To date, metallization studies have been performed with the nanometer-scale template, Tobacco Mosaic Virus (TMV). Here we show that fullerenes as well can be deposited on TMV coat protein in a controlled manner. Two methods were followed for the coating process. First, underivatized fullerene was dispersed in different solvents to bring the underivatized fullerene and wild-type TMV together. Improved depositions were obtained with the fullerene dicarboxylic derivative synthesized via the Bingel method. The form of the coating was analyzed by transmission electron microscopy. Our results demonstrate that the coating efficiency with the carboxy derivative was much better compared to the underivatized fullerene. The goal of coupling a carbon nanoparticle to a biological molecule, the viral coat of TMV, was achieved with the carboxy derivative of fullerene, resulting in the production of navette-shaped nanorods. The interactions between carboxyfullerenes and TMV were investigated through modeling with computational simulations and Gaussian-based density functional theory (DFT) calculations using the Gaussian09 program package. The theoretical calculations supported the experimental findings. This inexpensive and untroublesome method promises new fullerene hybrid nanomaterials in particular shapes and structures.
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Affiliation(s)
- Çiğdem Dönmez Güngüneş
- Tissue Engineering, Biomaterials and Nanobiotechnology Laboratory, Faculty of Science, and Stem Cell Institute, Ankara University, Ankara, Turkey
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Hitit University, Corum, Turkey
| | - Sinan Başçeken
- Chemistry Department, Faculty of Arts and Sciences, Hitit University, Corum, Turkey
| | - Ayşe Eser Elçin
- Tissue Engineering, Biomaterials and Nanobiotechnology Laboratory, Faculty of Science, and Stem Cell Institute, Ankara University, Ankara, Turkey
| | - Yaşar Murat Elçin
- Tissue Engineering, Biomaterials and Nanobiotechnology Laboratory, Faculty of Science, and Stem Cell Institute, Ankara University, Ankara, Turkey.
- Biovalda Health Technologies, Inc, Ankara, Turkey.
- Faculty of Science, Biochemistry Division, Ankara University, Tandogan, 06100, Ankara, Turkey.
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7
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Iravani S, Zolfaghari B. Plant Viruses and Bacteriophages for Eco-friendly Synthesis of Nanoparticles: Recent Trends and Important Challenges. COMMENT INORG CHEM 2021. [DOI: 10.1080/02603594.2021.1993837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Siavash Iravani
- Faculty of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Behzad Zolfaghari
- Pharmacognosy Department, Faculty of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
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8
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Nkanga CI, Steinmetz NF. The pharmacology of plant virus nanoparticles. Virology 2021; 556:39-61. [PMID: 33545555 PMCID: PMC7974633 DOI: 10.1016/j.virol.2021.01.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/20/2021] [Accepted: 01/21/2021] [Indexed: 12/14/2022]
Abstract
The application of nanoparticles for medical purposes has made enormous strides in providing new solutions to health problems. The observation that plant virus-based nanoparticles (VNPs) can be repurposed and engineered as smart bio-vehicles for targeted drug delivery and imaging has launched extensive research for improving the therapeutic and diagnostic management of various diseases. There is evidence that VNPs are promising high value nanocarriers with potential for translational development. This is mainly due to their unique features, encompassing structural uniformity, ease of manufacture and functionalization by means of expression, chemical biology and self-assembly. While the development pipeline is moving rapidly, with many reports focusing on engineering and manufacturing aspects to tailor the properties and efficacy of VNPs, fewer studies have focused on gaining insights into the nanotoxicity of this novel platform nanotechnology. Herein, we discuss the pharmacology of VNPs as a function of formulation and route of administration. VNPs are reviewed in the context of their application as therapeutic adjuvants or nanocarrier excipients to initiate, enhance, attenuate or impede the formulation's toxicity. The summary of the data however also underlines the need for meticulous VNP structure-nanotoxicity studies to improve our understanding of their in vivo fates and pharmacological profiles to pave the way for translation of VNP-based formulations into the clinical setting.
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Affiliation(s)
| | - Nicole F Steinmetz
- Department of NanoEngineering, University of California-San Diego, La Jolla, CA, 92039, United States; Department of Bioengineering, Department of Radiology, Center for NanoImmunoEngineering, Moores Cancer Center, Institute for Materials Discovery and Design, University of California-San Diego, La Jolla, CA, 92039, United States.
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9
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Removing the Polyanionic Cargo Requirement for Assembly of Alphavirus Core-Like Particles to Make an Empty Alphavirus Core. Viruses 2020; 12:v12080846. [PMID: 32756493 PMCID: PMC7472333 DOI: 10.3390/v12080846] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 07/30/2020] [Accepted: 07/31/2020] [Indexed: 12/18/2022] Open
Abstract
The assembly of alphavirus nucleocapsid cores requires electrostatic interactions between the positively charged N-terminus of the capsid protein (CP) and the encapsidated polyanionic cargo. This system differs from many other viruses that can self-assemble particles in the absence of cargo, or form “empty” particles. We hypothesized that the introduction of a mutant, anionic CP could replace the need for charged cargo during assembly. In this work, we produced a CP mutant, Minus 38 (M38), where all N-terminal charged residues are negatively-charged. When wild-type (WT) and M38 CPs were mixed, they assembled into core-like particles (CLPs). These “empty” particles were of similar size and morphology to WT CLPs assembled with DNA cargo, but did not contain nucleic acid. When DNA cargo was added to the assembly mixture, the amount of M38 CP that was assembled into CLPs decreased, but was not fully excluded from the CLPs, suggesting that M38 competes with DNA to interact with WT CPs. The composition of CLPs can be tuned by altering the order of addition of M38 CP, WT CP, and DNA cargo. The ability to produce alphavirus CLPs that contain a range of amounts of encapsidated cargo, including none, introduces a new platform for packaging cargo for delivery or imaging purposes.
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Affiliation(s)
- Xianxun Sun
- State Key Laboratory of VirologyWuhan Institute of VirologyCenter for Biosafety Mega‐ScienceChinese Academy of Sciences Wuhan 430071 China
- College of Life ScienceJiang Han University Wuhan 430056 China
| | - Zongqiang Cui
- State Key Laboratory of VirologyWuhan Institute of VirologyCenter for Biosafety Mega‐ScienceChinese Academy of Sciences Wuhan 430071 China
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12
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Wege C, Koch C. From stars to stripes: RNA-directed shaping of plant viral protein templates-structural synthetic virology for smart biohybrid nanostructures. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2019; 12:e1591. [PMID: 31631528 DOI: 10.1002/wnan.1591] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 08/04/2019] [Accepted: 08/26/2019] [Indexed: 12/12/2022]
Abstract
The self-assembly of viral building blocks bears exciting prospects for fabricating new types of bionanoparticles with multivalent protein shells. These enable a spatially controlled immobilization of functionalities at highest surface densities-an increasing demand worldwide for applications from vaccination to tissue engineering, biocatalysis, and sensing. Certain plant viruses hold particular promise because they are sustainably available, biodegradable, nonpathogenic for mammals, and amenable to in vitro self-organization of virus-like particles. This offers great opportunities for their redesign into novel "green" carrier systems by spatial and structural synthetic biology approaches, as worked out here for the robust nanotubular tobacco mosaic virus (TMV) as prime example. Natural TMV of 300 x 18 nm is built from more than 2,100 identical coat proteins (CPs) helically arranged around a 6,395 nucleotides ssRNA. In vitro, TMV-like particles (TLPs) may self-assemble also from modified CPs and RNAs if the latter contain an Origin of Assembly structure, which initiates a bidirectional encapsidation. By way of tailored RNA, the process can be reprogrammed to yield uncommon shapes such as branched nanoobjects. The nonsymmetric mechanism also proceeds on 3'-terminally immobilized RNA and can integrate distinct CP types in blends or serially. Other emerging plant virus-deduced systems include the usually isometric cowpea chlorotic mottle virus (CCMV) with further strikingly altered structures up to "cherrybombs" with protruding nucleic acids. Cartoon strips and pictorial descriptions of major RNA-based strategies induct the reader into a rare field of nanoconstruction that can give rise to utile soft-matter architectures for complex tasks. This article is categorized under: Biology-Inspired Nanomaterials > Protein and Virus-Based Structures Nanotechnology Approaches to Biology > Nanoscale Systems in Biology Biology-Inspired Nanomaterials > Nucleic Acid-Based Structures.
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Affiliation(s)
- Christina Wege
- Department of Molecular Biology and Plant Virology, Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Stuttgart, Germany
| | - Claudia Koch
- Department of Molecular Biology and Plant Virology, Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Stuttgart, Germany
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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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Chen MY, Butler SS, Chen W, Suh J. Physical, chemical, and synthetic virology: Reprogramming viruses as controllable nanodevices. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2018; 11:e1545. [PMID: 30411529 DOI: 10.1002/wnan.1545] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 08/03/2018] [Accepted: 10/04/2018] [Indexed: 01/24/2023]
Abstract
The fields of physical, chemical, and synthetic virology work in partnership to reprogram viruses as controllable nanodevices. Physical virology provides the fundamental biophysical understanding of how virus capsids assemble, disassemble, display metastability, and assume various configurations. Chemical virology considers the virus capsid as a chemically addressable structure, providing chemical pathways to modify the capsid exterior, interior, and subunit interfaces. Synthetic virology takes an engineering approach, modifying the virus capsid through rational, combinatorial, and bioinformatics-driven design strategies. Advances in these three subfields of virology aim to develop virus-based materials and tools that can be applied to solve critical problems in biomedicine and biotechnology, including applications in gene therapy and drug delivery, diagnostics, and immunotherapy. Examples discussed include mammalian viruses, such as adeno-associated virus (AAV), plant viruses, such as cowpea mosaic virus (CPMV), and bacterial viruses, such as Qβ bacteriophage. Importantly, research efforts in physical, chemical, and synthetic virology have further unraveled the design principles foundational to the form and function of viruses. This article is categorized under: Diagnostic Tools > Diagnostic Nanodevices Biology-Inspired Nanomaterials > Protein and Virus-Based Structures.
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Affiliation(s)
| | - Susan S Butler
- Department of Bioengineering, Rice University, Houston, Texas
| | - Weitong Chen
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, Texas
| | - Junghae Suh
- Department of Bioengineering, Rice University, Houston, Texas.,Systems, Synthetic, and Physical Biology Program, Rice University, Houston, Texas
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15
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Lomonossoff GP, Wege C. TMV Particles: The Journey From Fundamental Studies to Bionanotechnology Applications. Adv Virus Res 2018; 102:149-176. [PMID: 30266172 PMCID: PMC7112118 DOI: 10.1016/bs.aivir.2018.06.003] [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] [Indexed: 12/14/2022]
Abstract
Ever since its initial characterization in the 19th century, tobacco mosaic virus (TMV) has played a prominent role in the development of modern virology and molecular biology. In particular, research on the three-dimensional structure of the virus particles and the mechanism by which these assemble from their constituent protein and RNA components has made TMV a paradigm for our current view of the morphogenesis of self-assembling structures, including viral particles. More recently, this knowledge has been applied to the development of novel reagents and structures for applications in biomedicine and bionanotechnology. In this article, we review how fundamental science has led to TMV being at the vanguard of these new technologies.
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Affiliation(s)
| | - Christina Wege
- Department of Molecular Biology and Plant Virology, Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Stuttgart, Germany
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Ngo-Duc TT, Plank JM, Chen G, Harrison RES, Morikis D, Liu H, Haberer ED. M13 bacteriophage spheroids as scaffolds for directed synthesis of spiky gold nanostructures. NANOSCALE 2018; 10:13055-13063. [PMID: 29952390 DOI: 10.1039/c8nr03229g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The spherical form (s-form) of a genetically-modified gold-binding M13 bacteriophage was investigated as a scaffold for gold synthesis. Repeated mixing of the phage with chloroform caused a 15-fold contraction from a nearly one micron long filament to an approximately 60 nm diameter spheroid. The geometry of the viral template and the helicity of its major coat protein were monitored throughout the transformation process using electron microscopy and circular dichroism spectroscopy, respectively. The transformed virus, which retained both its gold-binding and mineralization properties, was used to assemble gold colloid clusters and synthesize gold nanostructures. Spheroid-templated gold synthesis products differed in morphology from filament-templated ones. Spike-like structures protruded from the spherical template while isotropic particles developed on the filamentous template. Using inductively coupled plasma-mass spectroscopy (ICP-MS), gold ion adsorption was found to be comparatively high for the gold-binding M13 spheroid, and likely contributed to the dissimilar gold morphology. Template contraction was believed to modify the density, as well as the avidity of gold-binding peptides on the scaffold surface. The use of the s-form of the M13 bacteriophage significantly expands the templating capabilities of this viral platform and introduces the potential for further morphological control of a variety of inorganic material systems.
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Affiliation(s)
- Tam-Triet Ngo-Duc
- Materials Science and Engineering Program, University of California, Riverside, USA.
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Gulati NM, Pitek AS, Czapar AE, Stewart PL, Steinmetz NF. The in vivo fates of plant viral nanoparticles camouflaged using self-proteins: overcoming immune recognition. J Mater Chem B 2018; 6:2204-2216. [PMID: 30294445 PMCID: PMC6171361 DOI: 10.1039/c7tb03106h] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Nanoparticles offer a promising avenue for targeted delivery of therapies. To slow clearance, nanoparticles are frequently stealth-coated to prevent opsonization and immune recognition. Serum albumin (SA) has been used as a bio-inspired stealth coating. To develop this shielding strategy for clinical applications, it is critical to understand the interactions between the immune system and SA-camouflaged nanoparticles. This work investigates the in vivo processing of SA-coated nanoparticles using tobacco mosaic virus (TMV) as a model system. In comparing four different SA-formulations, the particles with high SA coverage conjugated to TMV via a short linker performed the best at preventing antibody recognition. Irrelevant of the coating chemistry, all formulations led to similar levels of TMV-specific antibodies after repeat administration in mice; importantly though, SA-specific antibodies were not detected and the TMV-specific antibodies were unable to recognize shielded SA-coated TMV. Upon uptake in macrophages, the shielding agent and nanoparticle separate, where TMV trafficked to the lysosome and SA appears to recycle. The distinct intracellular fates of the TMV carrier and SA shielding agent explain why anti-TMV but not SA-specific antibodies are generated. This work characterizes the outcomes of SA-camouflaged TMV after immune recognition, and highlights the effectiveness of SA as a nanoparticle shielding agent.
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Affiliation(s)
- N. M. Gulati
- Department of Pharmacology, Case Western Reserve University, Cleveland, Ohio
- Cleveland Center for Membrane and Structural Biology, Case Western Reserve University, Cleveland, Ohio
| | - A. S. Pitek
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
| | - A. E. Czapar
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
| | - P. L. Stewart
- Department of Pharmacology, Case Western Reserve University, Cleveland, Ohio
- Cleveland Center for Membrane and Structural Biology, Case Western Reserve University, Cleveland, Ohio
| | - N. F. Steinmetz
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Department of Radiology, Case Western Reserve University, Cleveland, Ohio
- Department of Materials Science and Engineering, Case Western Reserve University, Cleveland, Ohio
- Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Comprehensive Cancer Center, Division of General Medical Sciences-Oncology, Case Western Reserve University, Cleveland, Ohio
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18
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Riekel C, Burghammer M, Snigirev I, Rosenthal M. Microstructural metrology of tobacco mosaic virus nanorods during radial compression and heating. SOFT MATTER 2018; 14:194-204. [PMID: 29138785 DOI: 10.1039/c7sm01332a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We determined stress-induced deformations and the thermal stability of nanorod-shaped tobacco mosaic virus (TMV) capsids in coffee-ring structures by X-ray nanodiffraction. The hexagonal capsids lattice transforms under compression in the outer boundary zone of the coffee-ring into a tetragonal lattice. The helical pitch of the nanorods increases by about 2.5% across the outer boundary zone while the lateral distance between nanorods decreases continuously across the whole coffee-ring structure by about 2% due to compressive forces. The diffraction patterns show a mixture of helical scattering and Bragg peaks attributed to a lattice of nanorods interlocked by their helical grooves. Thermo-nanodiffraction reveals water loss up to about 100 °C resulting in a reduction of the helical pitch by about 6% with respect to its maximum value and a reduction of the nanorods separation by about 0.5 nm. Up to about 200 °C the pitch is increasing again by about 2%. Secondary crystallization in the bulk reaches a maximum at 150-160 °C. At higher temperatures the crystallinity is continuously decreasing up to about 220 °C. Above about 200 °C and depending on the heating history, the nanorods start disintegrating into small, randomly oriented aggregates.
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Affiliation(s)
- C Riekel
- The European Synchrotron, ESRF, CS40220, F-38043 Grenoble Cedex 9, France.
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19
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Bruckman MA, Czapar AE, Steinmetz NF. Drug-Loaded Plant-Virus Based Nanoparticles for Cancer Drug Delivery. Methods Mol Biol 2018; 1776:425-436. [PMID: 29869258 DOI: 10.1007/978-1-4939-7808-3_28] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Nature has designed nanosized particles, specifically viruses, equipped to deliver cargo to cells. We report the chemical bioconjugation and shape shifting of a hollow, rod-shaped tobacco mosaic virus (TMV) to dense spherical nanoparticles (SNPs). We describe methods to transform TMV rods to spheres, load TMV rods and spheres with the chemotherapeutic drug, doxorubicin (DOX), to deliver modified particles to breast cancer cells, and to determine the IC50 values of the plant virus-based drug delivery system.
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Affiliation(s)
- Michael A Bruckman
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, USA.
- NanoBio Systems, Elyria, OH, USA.
| | - Anna E Czapar
- Department of Pathology, Case Western Reserve University, Cleveland, OH, USA
| | - Nicole F Steinmetz
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, USA.
- Department of Radiology, Case Western Reserve University, Cleveland, OH, USA.
- Department of Materials Science and Engineering, Case Western Reserve University, Cleveland, OH, USA.
- Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, OH, USA.
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, USA.
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20
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Sharma J, Uchida M, Miettinen HM, Douglas T. Modular interior loading and exterior decoration of a virus-like particle. NANOSCALE 2017; 9:10420-10430. [PMID: 28702648 PMCID: PMC6482854 DOI: 10.1039/c7nr03018e] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Virus-like particles (VLPs) derived from the bacteriophage P22 offer an interesting and malleable platform for encapsulation and multivalent presentation of cargo molecules. The packaging of cargo in P22 VLP is typically achieved through genetically enabled directed in vivo encapsulation. However, this approach does not allow control over the packing density and composition of the encapsulated cargos. Here, we have adopted an in vitro assembly approach to gain control over cargo packaging in P22. The packaging was controlled by closely regulating the stoichiometric ratio of cargo-fused-scaffold protein and wild-type scaffold protein during the in vitro assembly. In a "one-pot assembly reaction" coat protein subunits were incubated with varied ratios of wild-type scaffold protein and cargo-fused-scaffold protein, which resulted in the encapsulation of both components in a co-assembled capsid. These experiments demonstrate that an input stoichiometry can be used to achieve controlled packaging of multiple cargos within the VLP. The porous nature of P22 allows the escape and re-entry of wild-type scaffold protein from the assembled capsid but scaffold protein fused to a protein-cargo cannot traverse the capsid shell due to the size of the cargo. This has allowed us to control and alter the packing density by selectively releasing wild-type scaffold protein from the co-assembled capsids. We have demonstrated these concepts in the P22 system using an encapsulated streptavidin protein and have shown its highly selective interaction with biotin or biotin derivatives. Additionally, this system can be used to encapsulate small molecules coupled to biotin, or display large proteins, that cannot enter the capsid and thus remain available for the multivalent display on the exterior of the capsid when attached to a flexible biotinylated linker. Thus, we have developed a P22 system with controlled protein cargo composition and packing density, to which both small and large molecules can be attached at high copy number on the interior or exterior of the capsid.
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Affiliation(s)
- Jhanvi Sharma
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, USA.
| | - Masaki Uchida
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, USA.
| | - Heini M Miettinen
- Department of Microbiology & Immunology, Montana State University, PO Box 173520, Bozeman, Montana 59717, USA
| | - Trevor Douglas
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, USA.
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21
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Czapar AE, Steinmetz NF. Plant viruses and bacteriophages for drug delivery in medicine and biotechnology. Curr Opin Chem Biol 2017; 38:108-116. [PMID: 28426952 DOI: 10.1016/j.cbpa.2017.03.013] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Revised: 02/21/2017] [Accepted: 03/21/2017] [Indexed: 10/19/2022]
Abstract
There are a wide variety of synthetic and naturally occurring nanomaterials under development for nanoscale cargo-delivery applications. Viruses play a special role in these developments, because they can be regarded as naturally occurring nanomaterials evolved to package and deliver cargos. While any nanomaterial has its advantage and disadvantages, viral nanoparticles (VNPs), in particular the ones derived from plant viruses and bacteriophages, are attractive options for cargo-delivery as they are biocompatible, biodegradable, and non-infectious to mammals. Their protein-based structures are often understood at atomic resolution and are amenable to modification with atomic-level precision through chemical and genetic engineering. Here we present a focused review of the emerging technology development of plant viruses and bacteriophages targeting human health and agricultural applications. Key target areas of development are their use in chemotherapy, photodynamic therapy, pesticide-delivery, gene therapy, vaccine carriers, and immunotherapy.
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Affiliation(s)
- Anna E Czapar
- Department of Pathology, Case Western Reserve University, Schools of Medicine and Engineering, Cleveland, OH 44106, USA
| | - Nicole F Steinmetz
- Department of Biomedical Engineering, Case Western Reserve University, Schools of Medicine and Engineering, Cleveland, OH 44106, USA; Department of Radiology, Case Western Reserve University, Schools of Medicine and Engineering, Cleveland, OH 44106, USA; Department of Materials Science and Engineering, Case Western Reserve University, Schools of Medicine and Engineering, Cleveland, OH 44106, USA; Department of Macromolecular Science and Engineering, Case Western Reserve University, Schools of Medicine and Engineering, Cleveland, OH 44106, USA; Division of General Medical Sciences-Oncology, Case Western Reserve University, Schools of Medicine and Engineering, Cleveland, OH 44106, USA.
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22
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Liu X, Liu B, Gao S, Wang Z, Tian Y, Wu M, Jiang S, Niu Z. Glyco-decorated tobacco mosaic virus as a vector for cisplatin delivery. J Mater Chem B 2017; 5:2078-2085. [PMID: 32263681 DOI: 10.1039/c7tb00100b] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Plant viruses have been applied broadly in nanomedical applications profiting from their monodisperse structure, biocompatibility, easy modification, and non-pathogenicity in animals. Here we report a tobacco mosaic virus (TMV) based drug delivery system bearing carbohydrates as targeting ligands. Mannose (Man) and lactose (Lac) moieties were separately conjugated to the exterior surface of TMV (TMV-Man and TMV-Lac) through an efficient copper(i)-catalyzed azide-alkyne cycloaddition. Cisplatin (CDDP), an anticancer drug, was directly loaded into the TMV cavity (CDDP@TMV, CDDP@TMV-Man and CDDP@TMV-Lac) via a metal coordination bond. Through the specific recognition between carbohydrates and glycoproteins in cell membranes, these TMV based vectors show specificity in different cell lines: in the galectin-rich MCF-7 cell line, CDDP@TMV-Man shows enhanced endocytosis and apoptosis efficiency; in the asialoglycoprotein receptor (ASGPR)-overexpressing HepG2 cell line, CDDP@TMV-Lac shows superiority in endocytosis and apoptosis. This research provides a new strategy for tumor-targeted cisplatin delivery.
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Affiliation(s)
- Xiangxiang Liu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
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23
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Wen AM, Steinmetz NF. Design of virus-based nanomaterials for medicine, biotechnology, and energy. Chem Soc Rev 2016; 45:4074-126. [PMID: 27152673 PMCID: PMC5068136 DOI: 10.1039/c5cs00287g] [Citation(s) in RCA: 246] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This review provides an overview of recent developments in "chemical virology." Viruses, as materials, provide unique nanoscale scaffolds that have relevance in chemical biology and nanotechnology, with diverse areas of applications. Some fundamental advantages of viruses, compared to synthetically programmed materials, include the highly precise spatial arrangement of their subunits into a diverse array of shapes and sizes and many available avenues for easy and reproducible modification. Here, we will first survey the broad distribution of viruses and various methods for producing virus-based nanoparticles, as well as engineering principles used to impart new functionalities. We will then examine the broad range of applications and implications of virus-based materials, focusing on the medical, biotechnology, and energy sectors. We anticipate that this field will continue to evolve and grow, with exciting new possibilities stemming from advancements in the rational design of virus-based nanomaterials.
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Affiliation(s)
- Amy M Wen
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA.
| | - Nicole F Steinmetz
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA. and Department of Radiology, Case Western Reserve University, Cleveland, OH 44106, USA and Department of Materials Science and Engineering, Case Western Reserve University, Cleveland, OH 44106, USA and Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, OH 44106, USA and Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH 44106, USA
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24
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Nikitin N, Ksenofontov A, Trifonova E, Arkhipenko M, Petrova E, Kondakova O, Kirpichnikov M, Atabekov J, Dobrov E, Karpova O. Thermal conversion of filamentous potato virus X into spherical particles with different properties from virions. FEBS Lett 2016; 590:1543-51. [PMID: 27098711 DOI: 10.1002/1873-3468.12184] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Revised: 02/19/2016] [Accepted: 04/18/2016] [Indexed: 11/11/2022]
Abstract
We developed a method for the fast transformation of virions of tobacco mosaic virus (TMV) in so-called spherical particles (SPs) of different sizes. These SPs turned out to be highly useful for the preparation of different kinds of important biotechnological products. In this communication, we report that a representative of the flexuous helical virus group-potato virus X (PVX), produces SPs as well, but these SPs differ from TMV SPs in several important aspects. PVX SPs may be useful biotechnological devices.
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Affiliation(s)
| | - Alexander Ksenofontov
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Russia
| | | | | | | | - Olga Kondakova
- Biology Faculty, Lomonosov Moscow State University, Russia
| | | | | | - Evgeny Dobrov
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Russia
| | - Olga Karpova
- Biology Faculty, Lomonosov Moscow State University, Russia
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25
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Pitek AS, Wen AM, Shukla S, Steinmetz NF. The Protein Corona of Plant Virus Nanoparticles Influences their Dispersion Properties, Cellular Interactions, and In Vivo Fates. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 12:1758-69. [PMID: 26853911 PMCID: PMC5147027 DOI: 10.1002/smll.201502458] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2015] [Revised: 01/02/2016] [Indexed: 05/24/2023]
Abstract
Biomolecules in bodily fluids such as plasma can adsorb to the surface of nanoparticles and influence their biological properties. This phenomenon, known as the protein corona, is well established in the field of synthetic nanotechnology but has not been described in the context of plant virus nanoparticles (VNPs). The interaction between VNPs derived from Tobacco mosaic virus (TMV) and plasma proteins is investigated, and it is found that the VNP protein corona is significantly less abundant compared to the corona of synthetic particles. The formed corona is dominated by complement proteins and immunoglobulins, the binding of which can be reduced by PEGylating the VNP surface. The impact of the VNP protein corona on molecular recognition and cell targeting in the context of cancer and thrombosis is investigated. A library of functionalized TMV rods with polyethylene glycol (PEG) and peptide ligands targeting integrins or fibrin(ogen) show different dispersion properties, cellular interactions, and in vivo fates depending on the properties of the protein corona, influencing target specificity, and non-specific scavenging by macrophages. Our results provide insight into the in vivo properties of VNPs and suggest that the protein corona effect should be considered during the development of efficacious, targeted VNP formulations.
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Affiliation(s)
- Andrzej S. Pitek
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106
| | - Amy M. Wen
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106
| | - Sourabh Shukla
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106
| | - Nicole F. Steinmetz
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106
- Department of Radiology, Case Western Reserve University, Cleveland, OH 44106
- Department of Materials Science and Engineering, Case Western Reserve University, Cleveland, OH 44106
- Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, OH 44106
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH 44106
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26
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Bruckman MA, Czapar AE, VanMeter A, Randolph LN, Steinmetz NF. Tobacco mosaic virus-based protein nanoparticles and nanorods for chemotherapy delivery targeting breast cancer. J Control Release 2016; 231:103-13. [PMID: 26941034 DOI: 10.1016/j.jconrel.2016.02.045] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2015] [Revised: 02/25/2016] [Accepted: 02/28/2016] [Indexed: 01/28/2023]
Abstract
Drug delivery systems are required for drug targeting to avoid adverse effects associated with chemotherapy treatment regimes. Our approach is focused on the study and development of plant virus-based materials as drug delivery systems; specifically, this work focuses on the tobacco mosaic virus (TMV). Native TMV forms a hollow, high aspect-ratio nanotube measuring 300×18nm with a 4nm-wide central channel. Heat-transformation can be applied to TMV yielding spherical nanoparticles (SNPs) measuring ~50nm in size. While bioconjugate chemistries have been established to modify the TMV rod, such methods have not yet been described for the SNP platform. In this work, we probed the reactivity of SNPs toward bioconjugate reactions targeting lysine, glutamine/aspartic acid, and cysteine residues. We demonstrate functionalization of SNPs using these chemistries yielding efficient payload conjugation. In addition to covalent labeling techniques, we developed encapsulation techniques, where the cargo is loaded into the SNP during heat-transition from rod-to-sphere. Finally, we developed TMV and SNP formulations loaded with the chemotherapeutic doxorubicin, and we demonstrate the application of TMV rods and spheres for chemotherapy delivery targeting breast cancer.
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Affiliation(s)
- Michael A Bruckman
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States
| | - Anna E Czapar
- Department of Pathology, Case Western Reserve University, Cleveland, OH, United States
| | - Allen VanMeter
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States
| | - Lauren N Randolph
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States
| | - Nicole F Steinmetz
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States; Department of Radiology, Case Western Reserve University, Cleveland, OH, United States; Department of Materials Science and Engineering, Case Western Reserve University, Cleveland, OH, United States; Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, OH, United States.
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27
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Hernando-Pérez M, Zeng C, Delalande L, Tsvetkova I, Bousquet A, Tayachi-Pigeonnat M, Temam R, Dragnea B. Nanoindentation of Isometric Viruses on Deterministically Corrugated Substrates. J Phys Chem B 2016; 120:340-7. [DOI: 10.1021/acs.jpcb.5b08362] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- M. Hernando-Pérez
- Department of Chemistry and ‡Department of Mathematics, Indiana University, Bloomington, Indiana 47405, United States
| | - C. Zeng
- Department of Chemistry and ‡Department of Mathematics, Indiana University, Bloomington, Indiana 47405, United States
| | - L. Delalande
- Department of Chemistry and ‡Department of Mathematics, Indiana University, Bloomington, Indiana 47405, United States
| | - I.B. Tsvetkova
- Department of Chemistry and ‡Department of Mathematics, Indiana University, Bloomington, Indiana 47405, United States
| | - A. Bousquet
- Department of Chemistry and ‡Department of Mathematics, Indiana University, Bloomington, Indiana 47405, United States
| | - M. Tayachi-Pigeonnat
- Department of Chemistry and ‡Department of Mathematics, Indiana University, Bloomington, Indiana 47405, United States
| | - R. Temam
- Department of Chemistry and ‡Department of Mathematics, Indiana University, Bloomington, Indiana 47405, United States
| | - B. Dragnea
- Department of Chemistry and ‡Department of Mathematics, Indiana University, Bloomington, Indiana 47405, United States
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28
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Abstract
Nanoscale engineering is revolutionizing the way we prevent, detect, and treat diseases. Viruses have played a special role in these developments because they can function as prefabricated nanoscaffolds that have unique properties and are easily modified. The interiors of virus particles can encapsulate and protect sensitive compounds, while the exteriors can be altered to display large and small molecules in precisely defined arrays. These properties of viruses, along with their innate biocompatibility, have led to their development as actively targeted drug delivery systems that expand on and improve current pharmaceutical options. Viruses are naturally immunogenic, and antigens displayed on their surface have been used to create vaccines against pathogens and to break self-tolerance to initiate an immune response to dysfunctional proteins. Densely and specifically aligned imaging agents on viruses have allowed for high-resolution and noninvasive visualization tools to detect and treat diseases earlier than previously possible. These and future applications of viruses have created an exciting new field within the disciplines of both nanotechnology and medicine.
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Affiliation(s)
| | | | - Marianne Manchester
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, California 92093
| | - Nicole F Steinmetz
- Departments of 2Biomedical Engineering
- Radiology
- Materials Science and Engineering, and
- Macromolecular Science and Engineering, Case Western Reserve University, Schools of Medicine and Engineering, Cleveland, Ohio 44106;
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29
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Bruckman MA, Randolph LN, Gulati NM, Stewart PL, Steinmetz NF. Silica-coated Gd(DOTA)-loaded protein nanoparticles enable magnetic resonance imaging of macrophages. J Mater Chem B 2015; 3:7503-7510. [PMID: 26659591 DOI: 10.1039/c5tb01014d] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The molecular imaging of in vivo targets allows non-invasive disease diagnosis. Nanoparticles offer a promising platform for molecular imaging because they can deliver large payloads of imaging reagents to the site of disease. Magnetic resonance imaging (MRI) is often preferred for clinical diagnosis because it uses non-ionizing radiation and offers both high spatial resolution and excellent penetration. We have explored the use of plant viruses as the basis of for MRI contrast reagents, specifically Tobacco mosaic virus (TMV), which can assemble to form either stiff rods or spheres. We loaded TMV particles with paramagnetic Gd ions, increasing the ionic relaxivity compared to free Gd ions. The loaded TMV particles were then coated with silica maintaining high relaxivities. Interestingly, we found that when Gd(DOTA) was loaded into the interior channel of TMV and the exterior was coated with silica, the T1 relaxivities increased by three-fold from 10.9 mM-1 s-1 to 29.7 mM-1s-1 at 60 MHz compared to uncoated Gd-loaded TMV. To test the performance of the contrast agents in a biological setting, we focused on interactions with macrophages because the active or passive targeting of immune cells is a popular strategy to investigate the cellular components involved in disease progression associated with inflammation. In vitro assays and phantom MRI experiments indicate efficient targeting and imaging of macrophages, enhanced contrast-to-noise ratio was observed by shape-engineering (SNP > TMV) and silica-coating (Si-TMV/SNP > TMV/SNP). Because plant viruses are in the food chain, antibodies may be prevalent in the population. Therefore we investigated whether the silica-coating could prevent antibody recognition; indeed our data indicate that mineralization can be used as a stealth coating option to reduce clearance. Therefore, we conclude that the silica-coated protein-based contrast agent may provide an interesting candidate material for further investigation for in vivo delineation of disease through macrophage imaging.
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Affiliation(s)
| | | | | | | | - Nicole F Steinmetz
- Department of Biomedical Engineering, Cleveland, OH ; Department of Radiology, Cleveland, OH ; Department of Materials Science and Engineering, Cleveland, OH ; Department of Macromolecular Science and Engineering Case Western Reserve University, Cleveland, OH
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