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Travassos R, Martins SA, Fernandes A, Correia JDG, Melo R. Tailored Viral-like Particles as Drivers of Medical Breakthroughs. Int J Mol Sci 2024; 25:6699. [PMID: 38928403 PMCID: PMC11204272 DOI: 10.3390/ijms25126699] [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: 04/10/2024] [Revised: 06/11/2024] [Accepted: 06/12/2024] [Indexed: 06/28/2024] Open
Abstract
Despite the recognized potential of nanoparticles, only a few formulations have progressed to clinical trials, and an even smaller number have been approved by the regulatory authorities and marketed. Virus-like particles (VLPs) have emerged as promising alternatives to conventional nanoparticles due to their safety, biocompatibility, immunogenicity, structural stability, scalability, and versatility. Furthermore, VLPs can be surface-functionalized with small molecules to improve circulation half-life and target specificity. Through the functionalization and coating of VLPs, it is possible to optimize the response properties to a given stimulus, such as heat, pH, an alternating magnetic field, or even enzymes. Surface functionalization can also modulate other properties, such as biocompatibility, stability, and specificity, deeming VLPs as potential vaccine candidates or delivery systems. This review aims to address the different types of surface functionalization of VLPs, highlighting the more recent cutting-edge technologies that have been explored for the design of tailored VLPs, their importance, and their consequent applicability in the medical field.
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Affiliation(s)
- Rafael Travassos
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139.7), 2695-066 Bobadela, Portugal; (R.T.); (S.A.M.); (A.F.)
| | - Sofia A. Martins
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139.7), 2695-066 Bobadela, Portugal; (R.T.); (S.A.M.); (A.F.)
| | - Ana Fernandes
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139.7), 2695-066 Bobadela, Portugal; (R.T.); (S.A.M.); (A.F.)
| | - João D. G. Correia
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139.7), 2695-066 Bobadela, Portugal; (R.T.); (S.A.M.); (A.F.)
- Departamento de Engenharia e Ciências Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139.7), 2695-066 Bobadela, Portugal
| | - Rita Melo
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139.7), 2695-066 Bobadela, Portugal; (R.T.); (S.A.M.); (A.F.)
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2
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Nguyen HM, Watanabe S, Sharmin S, Kawaguchi T, Tan XE, Wannigama DL, Cui L. RNA and Single-Stranded DNA Phages: Unveiling the Promise from the Underexplored World of Viruses. Int J Mol Sci 2023; 24:17029. [PMID: 38069353 PMCID: PMC10707117 DOI: 10.3390/ijms242317029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 11/26/2023] [Accepted: 11/28/2023] [Indexed: 12/18/2023] Open
Abstract
RNA and single-stranded DNA (ssDNA) phages make up an understudied subset of bacteriophages that have been rapidly expanding in the last decade thanks to advancements in metaviromics. Since their discovery, applications of genetic engineering to ssDNA and RNA phages have revealed their immense potential for diverse applications in healthcare and biotechnology. In this review, we explore the past and present applications of this underexplored group of phages, particularly their current usage as therapeutic agents against multidrug-resistant bacteria. We also discuss engineering techniques such as recombinant expression, CRISPR/Cas-based genome editing, and synthetic rebooting of phage-like particles for their role in tailoring phages for disease treatment, imaging, biomaterial development, and delivery systems. Recent breakthroughs in RNA phage engineering techniques are especially highlighted. We conclude with a perspective on challenges and future prospects, emphasizing the untapped diversity of ssDNA and RNA phages and their potential to revolutionize biotechnology and medicine.
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Affiliation(s)
- Huong Minh Nguyen
- Division of Bacteriology, Department of Infection and Immunity, Jichi Medical University, Shimotsuke 329-0498, Tochigi, Japan; (H.M.N.); (S.W.); (S.S.); (T.K.); (X.-E.T.)
| | - Shinya Watanabe
- Division of Bacteriology, Department of Infection and Immunity, Jichi Medical University, Shimotsuke 329-0498, Tochigi, Japan; (H.M.N.); (S.W.); (S.S.); (T.K.); (X.-E.T.)
| | - Sultana Sharmin
- Division of Bacteriology, Department of Infection and Immunity, Jichi Medical University, Shimotsuke 329-0498, Tochigi, Japan; (H.M.N.); (S.W.); (S.S.); (T.K.); (X.-E.T.)
| | - Tomofumi Kawaguchi
- Division of Bacteriology, Department of Infection and Immunity, Jichi Medical University, Shimotsuke 329-0498, Tochigi, Japan; (H.M.N.); (S.W.); (S.S.); (T.K.); (X.-E.T.)
| | - Xin-Ee Tan
- Division of Bacteriology, Department of Infection and Immunity, Jichi Medical University, Shimotsuke 329-0498, Tochigi, Japan; (H.M.N.); (S.W.); (S.S.); (T.K.); (X.-E.T.)
| | - Dhammika Leshan Wannigama
- Department of Infectious Diseases and Infection Control, Yamagata Prefectural Central Hospital, Yamagata 990-2292, Yamagata, Japan;
| | - Longzhu Cui
- Division of Bacteriology, Department of Infection and Immunity, Jichi Medical University, Shimotsuke 329-0498, Tochigi, Japan; (H.M.N.); (S.W.); (S.S.); (T.K.); (X.-E.T.)
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3
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González-Davis O, Villagrana-Escareño MV, Trujillo MA, Gama P, Chauhan K, Vazquez-Duhalt R. Virus-like nanoparticles as enzyme carriers for Enzyme Replacement Therapy (ERT). Virology 2023; 580:73-87. [PMID: 36791560 DOI: 10.1016/j.virol.2023.01.017] [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: 08/31/2022] [Revised: 01/20/2023] [Accepted: 01/30/2023] [Indexed: 02/09/2023]
Abstract
Enzyme replacement therapy (ERT) has been used to treat a few of the many existing diseases which are originated from the lack of, or low enzymatic activity. Exogenous enzymes are administered to contend with the enzymatic activity deficiency. Enzymatic nanoreactors based on the enzyme encapsulation inside of virus-like particles (VLPs) appear as an interesting alternative for ERT. VLPs are excellent delivery vehicles for therapeutic enzymes as they are biodegradable, uniformly organized, and porous nanostructures that transport and could protect the biocatalyst from the external environment without much affecting the bioactivity. Consequently, significant efforts have been made in the production processes of virus-based enzymatic nanoreactors and their functionalization, which are critically reviewed. The use of virus-based enzymatic nanoreactors for the treatment of lysosomal storage diseases such as Gaucher, Fabry, and Pompe diseases, as well as potential therapies for galactosemia, and Hurler and Hunter syndromes are discussed.
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Affiliation(s)
- Oscar González-Davis
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km 107 carretera, Tijuana-Ensenada, Baja California, 22860, Mexico
| | - Maria V Villagrana-Escareño
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km 107 carretera, Tijuana-Ensenada, Baja California, 22860, Mexico
| | - Mario A Trujillo
- School of Medicine, Universidad Xochicalco, Ensenada, Baja California, Mexico
| | - Pedro Gama
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km 107 carretera, Tijuana-Ensenada, Baja California, 22860, Mexico
| | - Kanchan Chauhan
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km 107 carretera, Tijuana-Ensenada, Baja California, 22860, Mexico
| | - Rafael Vazquez-Duhalt
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km 107 carretera, Tijuana-Ensenada, Baja California, 22860, Mexico.
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4
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Sun Q, Raeeszadeh-Sarmazdeh M, Tsai SL, Chen W. Strategies for Multienzyme Assemblies. Methods Mol Biol 2022; 2487:113-131. [PMID: 35687232 DOI: 10.1007/978-1-0716-2269-8_7] [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] [Indexed: 06/15/2023]
Abstract
Proteins are not designed to be standalone entities and must coordinate their collective action for optimum performance. Nature has developed through evolution the ability to co-localize the functional partners of a cascade enzymatic reaction in order to ensure efficient exchange of intermediates. Inspired by these natural designs, synthetic scaffolds have been created to enhance the overall biological pathway performance. In this chapter, we describe several DNA- and protein-based scaffold approaches to assemble artificial enzyme cascades for a wide range of applications. We highlight the key benefits and drawbacks of these approaches to provide insights on how to choose the appropriate scaffold for different cascade systems.
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Affiliation(s)
- Qing Sun
- Department of Chemical Engineering, Texas A&M University, College Station, TX, USA
| | | | - Shen-Long Tsai
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei City, Taiwan
| | - Wilfred Chen
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE, USA.
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5
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Chimeric virus-like particles (VLPs) designed from shrimp nodavirus (MrNV) capsid protein specifically target EGFR-positive human colorectal cancer cells. Sci Rep 2021; 11:16579. [PMID: 34400669 PMCID: PMC8367941 DOI: 10.1038/s41598-021-95891-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 07/30/2021] [Indexed: 12/24/2022] Open
Abstract
Recombinant MrNV capsid protein has been shown to effectively deliver plasmid DNA and dsRNA into Sf9 insect cells and shrimp tissues. To extend its application to cancer cell-targeting drug delivery, we created three different types of chimeric MrNV virus-like particles (VLPs) (R-MrNV, I-MrNV, and E-MrNV) that have specificity toward the epidermal growth factor receptor (EGFR), a cancer cell biomarker, by incorporating the EGFR-specific GE11 peptide at 3 different locations within the host cell recognition site of the capsid. All three chimeric MrNV-VLPs preserved the ability to form a mulberry-like VLP structure and to encapsulate EGFP DNA plasmid with an efficiency comparable to that previously reported for normal MrNV (N-MrNV). Compared to N-MrNV, the chimeric R-MrNV and E-MrNV carrying the exposed GE-11 peptide showed a significantly enhanced binding and internalization abilities that were specific towards EGFR expression in colorectal cancer cells (SW480). Specific targeting of chimeric MrNV to EGFR was proven by both EGFR silencing with siRNA vector and a competition with excess GE-11 peptide as well as the use of EGFR-negative colorectal cells (SW620) and breast cancer cells (MCF7). We demonstrated here that both chimeric R-MrNV and E-MrNV could be used to encapsulate cargo such as exogenous DNA and deliver it specifically to EGFR-positive cells. Our study presents the potential use of surface-modified VLPs of shrimp virus origin as nanocontainers for targeted cancer drug delivery.
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6
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Lieser RM, Yur D, Sullivan MO, Chen W. Site-Specific Bioconjugation Approaches for Enhanced Delivery of Protein Therapeutics and Protein Drug Carriers. Bioconjug Chem 2020; 31:2272-2282. [DOI: 10.1021/acs.bioconjchem.0c00456] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Rachel M. Lieser
- Department of Chemical and Biomolecular Engineering, University of Delaware, 150 Academy Street, Newark, Delaware 19716, United States of America
| | - Daniel Yur
- Department of Chemical and Biomolecular Engineering, University of Delaware, 150 Academy Street, Newark, Delaware 19716, United States of America
| | - Millicent O. Sullivan
- Department of Chemical and Biomolecular Engineering, University of Delaware, 150 Academy Street, Newark, Delaware 19716, United States of America
| | - Wilfred Chen
- Department of Chemical and Biomolecular Engineering, University of Delaware, 150 Academy Street, Newark, Delaware 19716, United States of America
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7
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McConnell SA, Cannon KA, Morgan C, McAllister R, Amer BR, Clubb RT, Yeates TO. Designed Protein Cages as Scaffolds for Building Multienzyme Materials. ACS Synth Biol 2020; 9:381-391. [PMID: 31922719 DOI: 10.1021/acssynbio.9b00407] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The functions of enzymes can be strongly affected by their higher-order spatial arrangements. In this study we combine multiple new technologies-designer protein cages and sortase-based enzymatic attachments between proteins-as a novel platform for organizing multiple enzymes (of one or more types) in specified configurations. As a scaffold we employ a previously characterized 24-subunit designed protein cage whose termini are outwardly exposed for attachment. As a first-use case, we test the attachment of two cellulase enzymes known to act synergistically in cellulose degradation. We show that, after endowing the termini of the cage subunits with a short "sort-tag" sequence (LPXTG) and the opposing termini of the cellulase enzymes with a short polyglycine sequence tag, addition of sortase covalently attaches the enzymes to the cage with good reactivity and high copy number. The doubly modified cages show enhanced activity in a cellulose degradation assay compared to enzymes in solution, and compared to a combination of singly modified cages. These new engineering strategies could be broadly useful in the development of enzymatic material and synthetic biology applications.
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Affiliation(s)
- Scott A. McConnell
- UCLA-DOE Institute for Genomics and Proteomics, Los Angeles, California 90095, United States
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
- Molecular Biology Institute, University of California, Los Angeles, California 90095, United States
| | - Kevin A. Cannon
- UCLA-DOE Institute for Genomics and Proteomics, Los Angeles, California 90095, United States
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Christian Morgan
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, California 90095, United States
| | - Rachel McAllister
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Brendan R. Amer
- UCLA-DOE Institute for Genomics and Proteomics, Los Angeles, California 90095, United States
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
- Molecular Biology Institute, University of California, Los Angeles, California 90095, United States
| | - Robert T. Clubb
- UCLA-DOE Institute for Genomics and Proteomics, Los Angeles, California 90095, United States
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
- Molecular Biology Institute, University of California, Los Angeles, California 90095, United States
| | - Todd O. Yeates
- UCLA-DOE Institute for Genomics and Proteomics, Los Angeles, California 90095, United States
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
- Molecular Biology Institute, University of California, Los Angeles, California 90095, United States
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8
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Abstract
ssRNA phages belonging to the family Leviviridae are among the tiniest viruses, infecting various Gram-negative bacteria by adsorption to their pilus structures. Due to their simplicity, they have been intensively studied as models for understanding various problems in molecular biology and virology. Several of the studied ssRNA characteristics, such as coat protein–RNA interactions and the ability to readily form virus-like particles in recombinant expression systems, have fueled many practical applications such as RNA labeling and tracking systems and vaccine development. In this chapter, we review the life cycle, structure and applications of these small yet fascinating viruses.
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9
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Bond KM, Aanei IL, Francis MB, Jarrold MF. Determination of Antibody Population Distributions for Virus-Antibody Conjugates by Charge Detection Mass Spectrometry. Anal Chem 2019; 92:1285-1291. [PMID: 31860274 DOI: 10.1021/acs.analchem.9b04457] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Virus-like particle (VLP) conjugates are being developed for biomedical applications; however, there is a lack of quantitative analytical methods to measure the extent of conjugation and modification of VLP based therapeutics. Charge detection mass spectrometry (CDMS) can measure mass distributions for large and heterogeneous complexes and is emerging as a valuable tool in the analysis of biologics. In this study, CDMS is used to characterize the stoichiometry and population distribution of antibodies covalently conjugated to the surface of a bacteriophage MS2 VLP. Initial CDMS analysis of the unconjugated MS2 particles suggested that they had packaged a broad distribution of exogenous genomic material. We developed procedures to remove the undesired genomic material from the VLP preparation and observed that, for the samples where the genomic fragments were removed, the antibody coupling reaction efficiency increased by almost a factor of 2. This meant there were (1) fewer VLPs with no antibodies bound, which is an important consideration for the efficacy of a targeted therapeutic and (2) fewer antibodies were wasted during the coupling reaction. CDMS could be employed in a similar manner as a tool to characterize coupling reaction product distributions and precursors and help inform the development of the next generation of conjugate-based therapies.
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Affiliation(s)
- Kevin M Bond
- Department of Chemistry , Indiana University , Bloomington , Indiana 47405 , United States
| | - Ioana L Aanei
- Department of Chemistry , University of California, Berkeley , Berkeley , California 94720 , United States
| | - Matthew B Francis
- Department of Chemistry , University of California, Berkeley , Berkeley , California 94720 , United States
| | - Martin F Jarrold
- Department of Chemistry , Indiana University , Bloomington , Indiana 47405 , United States
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10
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Brauer DD, Hartman EC, Bader DLV, Merz ZN, Tullman-Ercek D, Francis MB. Systematic Engineering of a Protein Nanocage for High-Yield, Site-Specific Modification. J Am Chem Soc 2019; 141:3875-3884. [DOI: 10.1021/jacs.8b10734] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Daniel D. Brauer
- Department of Chemistry, University of California, Berkeley, California 94720-1460, United States
| | - Emily C. Hartman
- Department of Chemistry, University of California, Berkeley, California 94720-1460, United States
| | - Daniel L. V. Bader
- Department of Chemistry, University of California, Berkeley, California 94720-1460, United States
| | - Zoe N. Merz
- Department of Chemistry, University of California, Berkeley, California 94720-1460, United States
| | - Danielle Tullman-Ercek
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Technological Institute E136, Evanston, Illinois 60208-3120, United States
| | - Matthew B. Francis
- Department of Chemistry, University of California, Berkeley, California 94720-1460, United States
- Materials Sciences Division, Lawrence Berkeley National Laboratories, Berkeley, California 94720-1460, United States
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11
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Maza JC, Bader DLV, Xiao L, Marmelstein AM, Brauer DD, ElSohly AM, Smith MJ, Krska SW, Parish CA, Francis MB. Enzymatic Modification of N-Terminal Proline Residues Using Phenol Derivatives. J Am Chem Soc 2019; 141:3885-3892. [DOI: 10.1021/jacs.8b10845] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Johnathan C. Maza
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Daniel L. V. Bader
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Lifeng Xiao
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Alan M. Marmelstein
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Daniel D. Brauer
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Adel M. ElSohly
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Matthew J. Smith
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Shane W. Krska
- Discovery Chemistry, Merck & Co., Inc., Kenilworth, New Jersey 07033, United States
| | - Craig A. Parish
- Discovery Chemistry, Merck & Co., Inc., Kenilworth, New Jersey 07033, United States
| | - Matthew B. Francis
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Materials Sciences Division, Lawrence Berkeley National Laboratories, Berkeley, California 94720, United States
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12
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Hartman EC, Lobba MJ, Favor AH, Robinson SA, Francis MB, Tullman-Ercek D. Experimental Evaluation of Coevolution in a Self-Assembling Particle. Biochemistry 2018; 58:1527-1538. [DOI: 10.1021/acs.biochem.8b00948] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Emily C. Hartman
- Department of Chemistry, University of California, Berkeley, California 94720-1460, United States
| | - Marco J. Lobba
- Department of Chemistry, University of California, Berkeley, California 94720-1460, United States
| | - Andrew H. Favor
- Department of Chemistry, University of California, Berkeley, California 94720-1460, United States
| | - Stephanie A. Robinson
- Department of Chemistry, University of California, Berkeley, California 94720-1460, United States
| | - Matthew B. Francis
- Department of Chemistry, University of California, Berkeley, California 94720-1460, United States
- Materials Sciences Division, Lawrence Berkeley National Laboratories, Berkeley, California 94720-1460, United States
| | - Danielle Tullman-Ercek
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Technological Institute E136, Evanston, Illinois 60208-3120, United States
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13
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Shah PN, Lin TY, Aanei IL, Klass SH, Smith BR, Shaqfeh ESG. Extravasation of Brownian Spheroidal Nanoparticles through Vascular Pores. Biophys J 2018; 115:1103-1115. [PMID: 30201266 PMCID: PMC6139985 DOI: 10.1016/j.bpj.2018.07.038] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Revised: 07/30/2018] [Accepted: 07/31/2018] [Indexed: 01/18/2023] Open
Abstract
In modern cancer treatment, there is significant interest in studying the use of drug molecules either directly injected into the bloodstream or delivered by nanoparticle (NP) carriers of various shapes and sizes. During treatment, these carriers may extravasate through pores in the tumor vasculature that form during angiogenesis. We provide an analytical, computational, and experimental examination of the extravasation of point particles (e.g., drug molecules) and finite-sized spheroidal particles. We study the advection-diffusion process in a model microvasculature, consisting of a shear flow over and a pressure-driven suction flow into a circular pore in a flat surface. For point particles, we provide an analytical formula [Formula: see text] for the dimensionless Sherwood number S, i.e., the extravasation rate, in terms of the pore entry resistance (Damköhler number κ), the shear rate (Péclet number P), and the suction flow rate (suction strength Q). Brownian dynamics (BD) simulations verify this result, and our simulations are then extended to include finite-sized NPs, in which no analytical solutions are available. BD simulations indicate that particles of different geometries have drastically different extravasation rates in different flow conditions. In general, extreme aspect ratio particles provide a greater flux through the pore because of favorable alignment with streamlines entering the pore and less hindered interaction with the pore. We validate the BD simulations by measuring the in vitro transport of both bacteriophage MS2 (a spherical NP) and free dye (a model drug molecule) across a porous membrane. Despite their vastly different sizes, BD predicts S = 8.53 E-4 and S = 27.6 E-4, and our experiments agree favorably, with Sexp=10.6 E-4± 1.75 E-4 and Sexp=16.3 E-4 ± 3.09 E-4, for MS2 and free dye, respectively, thus demonstrating the practical utility of our simulation framework.
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Affiliation(s)
- Preyas N Shah
- Department of Mechanical Engineering, Stanford University, Stanford, California
| | - Tiras Y Lin
- Department of Mechanical Engineering, Stanford University, Stanford, California
| | - Ioana L Aanei
- Department of Chemistry, University of California, Berkeley, California
| | - Sarah H Klass
- Department of Chemistry, University of California, Berkeley, California
| | - Bryan Ronain Smith
- Department of Radiology, Stanford University, Stanford, California; Department of Biomedical Engineering and Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, Michigan.
| | - Eric S G Shaqfeh
- Department of Mechanical Engineering, Stanford University, Stanford, California; Department of Chemical Engineering; Institute for Computational and Mathematical Engineering, Stanford University, Stanford, California.
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14
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Abstract
Delivery of imaging agents and pharmaceutical payloads to the central nervous system (CNS) is essential for efficient diagnosis and treatment of brain diseases. However, therapeutic delivery is often restricted by the blood-brain barrier (BBB), which prevents transport of clinical compounds to their region of interest. This review discusses the methods that have been used to avoid or overcome this barrier, presenting the use of biologically-derived nanomaterial systems as an efficient strategy for the diagnosis and treatment of CNS diseases. Biological nanomaterials have many advantages over synthetic systems, including being biodegradable, biocompatible, easily surface functionalised for conjugation of targeting moieties, and are often able to self-assemble. These abilities are discussed in relation to various systems, including liposomes, dendrimers, and viral nanoparticles.
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15
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Kelemen RE, Erickson SB, Chatterjee A. Synthesis at the interface of virology and genetic code expansion. Curr Opin Chem Biol 2018; 46:164-171. [PMID: 30086446 DOI: 10.1016/j.cbpa.2018.07.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2018] [Revised: 05/18/2018] [Accepted: 07/13/2018] [Indexed: 01/24/2023]
Abstract
How a virus efficiently invades its host cell and masterfully engineers its properties provides valuable lessons and resources for the emerging discipline of synthetic biology, which seeks to create engineered biological systems with novel functions. Recently, the toolbox of synthetic biology has also been enriched by the genetic code expansion technology, which has provided access to a large assortment of unnatural amino acids with novel chemical functionalities that can be site-specifically incorporated into proteins in living cells. The synergistic interplay of these two disciplines holds much promise to advance their individual progress, while creating new paradigms for synthetic biology. In this review we seek to provide an account of the recent advances at the interface of these two research areas.
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Affiliation(s)
- Rachel E Kelemen
- Department of Chemistry, Boston College, 2609 Beacon Street, 246B Merkert Chemistry Center, Chestnut Hill, MA 02467, United States
| | - Sarah B Erickson
- Department of Chemistry, Boston College, 2609 Beacon Street, 246B Merkert Chemistry Center, Chestnut Hill, MA 02467, United States
| | - Abhishek Chatterjee
- Department of Chemistry, Boston College, 2609 Beacon Street, 246B Merkert Chemistry Center, Chestnut Hill, MA 02467, United States.
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16
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Aanei IL, Huynh T, Seo Y, Francis MB. Vascular Cell Adhesion Molecule-Targeted MS2 Viral Capsids for the Detection of Early-Stage Atherosclerotic Plaques. Bioconjug Chem 2018; 29:2526-2530. [DOI: 10.1021/acs.bioconjchem.8b00453] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Ioana L. Aanei
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Materials Sciences Division, Lawrence Berkeley National Laboratories, Berkeley, California 94720, United States
| | - Tony Huynh
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, California 94143, United States
| | - Youngho Seo
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, California 94143, United States
| | - Matthew B. Francis
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Materials Sciences Division, Lawrence Berkeley National Laboratories, Berkeley, California 94720, United States
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17
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Diaz D, Care A, Sunna A. Bioengineering Strategies for Protein-Based Nanoparticles. Genes (Basel) 2018; 9:E370. [PMID: 30041491 PMCID: PMC6071185 DOI: 10.3390/genes9070370] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 07/16/2018] [Accepted: 07/17/2018] [Indexed: 12/16/2022] Open
Abstract
In recent years, the practical application of protein-based nanoparticles (PNPs) has expanded rapidly into areas like drug delivery, vaccine development, and biocatalysis. PNPs possess unique features that make them attractive as potential platforms for a variety of nanobiotechnological applications. They self-assemble from multiple protein subunits into hollow monodisperse structures; they are highly stable, biocompatible, and biodegradable; and their external components and encapsulation properties can be readily manipulated by chemical or genetic strategies. Moreover, their complex and perfect symmetry have motivated researchers to mimic their properties in order to create de novo protein assemblies. This review focuses on recent advances in the bioengineering and bioconjugation of PNPs and the implementation of synthetic biology concepts to exploit and enhance PNP's intrinsic properties and to impart them with novel functionalities.
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Affiliation(s)
- Dennis Diaz
- Department of Molecular Sciences, Macquarie University, Sydney, NSW 2109, Australia.
| | - Andrew Care
- Department of Molecular Sciences, Macquarie University, Sydney, NSW 2109, Australia.
- Australian Research Council Centre of Excellence for Nanoscale BioPhotonics, Macquarie University, Sydney, NSW 2109, Australia.
| | - Anwar Sunna
- Department of Molecular Sciences, Macquarie University, Sydney, NSW 2109, Australia.
- Australian Research Council Centre of Excellence for Nanoscale BioPhotonics, Macquarie University, Sydney, NSW 2109, Australia.
- Biomolecular Discovery and Design Research Centre, Macquarie University, Sydney, NSW 2109, Australia.
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18
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Wang S, Al-Soodani AT, Thomas GC, Buck-Koehntop BA, Woycechowsky KJ. A Protein-Capsid-Based System for Cell Delivery of Selenocysteine. Bioconjug Chem 2018; 29:2332-2342. [DOI: 10.1021/acs.bioconjchem.8b00302] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Shuxin Wang
- School of Pharmaceutical Science and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Aneesa T. Al-Soodani
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Geoffrey C. Thomas
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Bethany A. Buck-Koehntop
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Kenneth J. Woycechowsky
- School of Pharmaceutical Science and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
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19
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Antibody Modification of p-Aminophenylalanine-Containing Proteins. Methods Mol Biol 2018. [PMID: 29868961 DOI: 10.1007/978-1-4939-7893-9_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
The use of antibody conjugates for biomedical applications has garnered increased attention due to the ability of antibodies to specifically engage targets of interest. Despite these appealing qualities, the preparation of antibody-protein conjugates remains challenging. Here we detail an approach to attaching targeting antibodies to proteins of interest that combines advances in genetic code expansion and an efficient bioconjugation strategy. As an example, we prepare bacteriophage MS2 viral capsids bearing antibodies on their surfaces for applications in molecular targeting. This technique provides a modular framework to easily prepare antibody-MS2 conjugates in an efficient manner, even at low concentrations of the reacting biomolecules.
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20
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Apawu AK, Curley SM, Dixon AR, Hali M, Sinan M, Braun RD, Castracane J, Cacace AT, Bergkvist M, Holt AG. MRI compatible MS2 nanoparticles designed to cross the blood-brain-barrier: providing a path towards tinnitus treatment. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2018; 14:1999-2008. [PMID: 29665440 DOI: 10.1016/j.nano.2018.04.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 03/17/2018] [Accepted: 04/06/2018] [Indexed: 10/17/2022]
Abstract
Fundamental challenges of targeting specific brain regions for treatment using pharmacotherapeutic nanoparticle (NP) carriers include circumventing the blood-brain-barrier (BBB) and tracking delivery. Angiopep-2 (AP2) has been shown to facilitate the transport of large macromolecules and synthetic nanoparticles across the BBB. Thus, conjugation of AP2 to an MS2 bacteriophage based NP should also permit transport across the BBB. We have fabricated and tested a novel MS2 capsid-based NP conjugated to the ligand AP2. The reaction efficiency was determined to be over 70%, with up to two angiopep-2 conjugated per MS2 capsid protein. When linked with a porphyrin ring, manganese (Mn2+) remained stable within MS2 and was MRI detectable. Nanoparticles were introduced intracerebroventricularly or systemically. Systemic delivery yielded dose dependent, non-toxic accumulation of NPs in the midbrain. Design of a multifunctional MRI compatible NP platform provides a significant step forward for the diagnosis and treatment of intractable brain conditions, such as tinnitus.
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Affiliation(s)
- Aaron K Apawu
- Wayne State University School of Medicine, 540 E Canfield St, Detroit, MI, United States
| | - Stephanie M Curley
- SUNY Polytechnic Institute, Colleges of Nanoscale Science and Engineering, 257 Fuller Rd., Albany, NY, United States
| | - Angela R Dixon
- Wayne State University School of Medicine, 540 E Canfield St, Detroit, MI, United States
| | - Mirabela Hali
- Wayne State University School of Medicine, 540 E Canfield St, Detroit, MI, United States
| | - Moaz Sinan
- Wayne State University School of Medicine, 540 E Canfield St, Detroit, MI, United States
| | - Rod D Braun
- Wayne State University School of Medicine, 540 E Canfield St, Detroit, MI, United States
| | - James Castracane
- SUNY Polytechnic Institute, Colleges of Nanoscale Science and Engineering, 257 Fuller Rd., Albany, NY, United States
| | - Anthony T Cacace
- Wayne State University, Department of Communication Sciences & Disorders, 207 Rackham, 60 Farnsworth, Detroit, MI, United States
| | - Magnus Bergkvist
- SUNY Polytechnic Institute, Colleges of Nanoscale Science and Engineering, 257 Fuller Rd., Albany, NY, United States
| | - Avril Genene Holt
- Wayne State University School of Medicine, 540 E Canfield St, Detroit, MI, United States; John D. Dingell VA Medical Center, 4646 John R St, Detroit, MI, United States.
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21
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Changes in the stability and biomechanics of P22 bacteriophage capsid during maturation. Biochim Biophys Acta Gen Subj 2018; 1862:1492-1504. [PMID: 29550430 DOI: 10.1016/j.bbagen.2018.03.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Revised: 02/11/2018] [Accepted: 03/04/2018] [Indexed: 12/21/2022]
Abstract
The capsid of P22 bacteriophage undergoes a series of structural transitions during maturation that guide it from spherical to icosahedral morphology. The transitions include the release of scaffold proteins and capsid expansion. Although P22 maturation has been investigated for decades, a unified model that incorporates thermodynamic and biophysical analyses is not available. A general and specific model of icosahedral capsid maturation is of significant interest to theoreticians searching for fundamental principles as well as virologists and material scientists seeking to alter maturation to their advantage. To address this challenge, we have combined the results from orthogonal biophysical techniques including differential scanning fluorimetry, atomic force microscopy, circular dichroism, and hydrogen-deuterium exchange mass spectrometry. By integrating these results from single particle and population measurements, an energy landscape of P22 maturation from procapsid through expanded shell to wiffle ball emerged, highlighting the role of metastable structures and the thermodynamics guiding maturation. The propagation of weak quaternary interactions across symmetric elements of the capsid is a key component for stability in P22. A surprising finding is that the progression to wiffle ball, which lacks pentamers, shows that chemical and thermal stability can be uncoupled from mechanical rigidity, elegantly demonstrating the complexity inherent in capsid protein interactions and the emergent properties that can arise from icosahedral symmetry. On a broader scale, this work demonstrates the power of applying orthogonal biophysical techniques to elucidate assembly mechanisms for supramolecular complexes and provides a framework within which other viral systems can be compared.
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22
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Abstract
One of the hallmarks of virus-like particles (VLPs) is the fact that they possess distinguishable interior and exterior surfaces. Taking advantage of our knowledge of the amino acid location from X-ray crystal structures, we have developed a series of synthetic modifications of the MS2 bacteriophage viral capsid, including small molecule and polymer attachment, as well as conjugation with peptides, DNA and other proteins. These constructs have found applications in nanomaterial fabrication and as delivery vehicles with therapeutic potential. Importantly, the dual-modification strategies described herein could be extended to other VLP systems.
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Affiliation(s)
- Ioana L Aanei
- Department of Chemistry, University of California, Berkeley, CA, USA
- Materials Sciences Division, Lawrence Berkeley National Laboratories, Berkeley, CA, USA
| | - Matthew B Francis
- Department of Chemistry, University of California, Berkeley, CA, USA.
- Materials Sciences Division, Lawrence Berkeley National Laboratories, Berkeley, CA, USA.
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23
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Zhang S, Huang C, Li Z, Yang Y, Bao T, Chen H, Zou Y, Song L. Comparison of pharmacokinetics and drug release in tissues after transarterial chemoembolization with doxorubicin using diverse lipiodol emulsions and CalliSpheres Beads in rabbit livers. Drug Deliv 2017; 24:1011-1017. [PMID: 28660787 PMCID: PMC8241087 DOI: 10.1080/10717544.2017.1344336] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
CalliSpheres® Beads (CB) is the first drug-eluting bead (DEB) product in China. Our aim was to compare the effect on the pharmacokinetics of doxorubicin (DOX) and its local concentration between lipiodol emulsions and CB in the process of TACE in rabbit livers. Twenty-five rabbits were distributed into two groups; Group 1 received lipiodol emulsions with DOX, and Group 2 received CB loaded with DOX (CBDOX). DOX was measured in the peripheral blood at different times after treatment. Livers were sampled at 1 week and 1 month for Group 2 after embolization. DOX concentration and distribution were measured in the liver. The administration of DOX by TACE with CBDOX resulted in peripheral blood DOX concentrations of 39.85 ± 13.86 ng/mL at 5 min, with a gradual decrease to 6.89 ± 1.62 ng/mL at 24 h, after treatment. Plasma concentration of DOX after chemoembolization with lipiodol was 225.91 ± 64.88 ng/mL at 5 min and decreased with time by 24 h to 5.06 ± 0.48 ng/mL. In CBDOX group, the drug impregnated an area as far as 200 μm from the bead edge. The tissue concentration of doxorubicin (tissCDOX) ranged from 40.27 μg/mL to 245.70 μg/mL at 1 week and from 5.64 μg/mL to 28.09 μg/mL at 1 month. Plasma concentrations of DOX resulting from CBDOX embolization were significantly lower than that for cTACE. CB could deliver relatively high concentrations of DOX to an area as far as 200 μm from the bead edge for at least 1 month.
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Affiliation(s)
- Shuisheng Zhang
- a Department of Interventional Radiology and Vascular Surgery , Peking University First Hospital , Beijing , China
| | - Can Huang
- b Department of Radiology, Beijing Chaoyang Hospital , Capital Medical University , Beijing , China
| | - Zhengzheng Li
- a Department of Interventional Radiology and Vascular Surgery , Peking University First Hospital , Beijing , China
| | - Yongjie Yang
- c The State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences , Peking University , Beijing , China
| | - Tingting Bao
- a Department of Interventional Radiology and Vascular Surgery , Peking University First Hospital , Beijing , China
| | - Haibo Chen
- d Department of Cardiology , Second Affiliated Hospital, College of Medicine, Zhejiang University , Hangzhou , China
| | - Yinghua Zou
- a Department of Interventional Radiology and Vascular Surgery , Peking University First Hospital , Beijing , China
| | - Li Song
- a Department of Interventional Radiology and Vascular Surgery , Peking University First Hospital , Beijing , China
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24
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Chen Z, Boyd SD, Calvo JS, Murray KW, Mejia GL, Benjamin CE, Welch RP, Winkler DD, Meloni G, D'Arcy S, Gassensmith JJ. Fluorescent Functionalization across Quaternary Structure in a Virus-like Particle. Bioconjug Chem 2017; 28:2277-2283. [PMID: 28787574 DOI: 10.1021/acs.bioconjchem.7b00305] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Proteinaceous nanomaterials and, in particular, virus-like particles (VLPs) have emerged as robust and uniform platforms that are seeing wider use in biomedical research. However, there are a limited number of bioconjugation reactions for functionalizing the capsids, and very few of those involve functionalization across the supramolecular quaternary structure of protein assemblies. In this work, we exploit the recently described dibromomaleimide moiety as part of a bioconjugation strategy on VLP Qβ to break and rebridge the exposed and structurally important disulfides in good yields. Not only was the stability of the quaternary structure retained after the reaction, but the newly functionalized particles also became brightly fluorescent and could be tracked in vitro using a commercially available filter set. Consequently, we show that this highly efficient bioconjugation reaction not only introduces a new functional handle "between" the disulfides of VLPs without compromising their thermal stability but also can be used to create a fluorescent probe.
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Affiliation(s)
- Zhuo Chen
- Department of Chemistry and Biochemistry, ‡Department of Biological Sciences, and §School of Behavioral and Brain Sciences, University of Texas at Dallas , Richardson, Texas 75080, United States
| | - Stefanie D Boyd
- Department of Chemistry and Biochemistry, ‡Department of Biological Sciences, and §School of Behavioral and Brain Sciences, University of Texas at Dallas , Richardson, Texas 75080, United States
| | - Jenifer S Calvo
- Department of Chemistry and Biochemistry, ‡Department of Biological Sciences, and §School of Behavioral and Brain Sciences, University of Texas at Dallas , Richardson, Texas 75080, United States
| | - Kyle W Murray
- Department of Chemistry and Biochemistry, ‡Department of Biological Sciences, and §School of Behavioral and Brain Sciences, University of Texas at Dallas , Richardson, Texas 75080, United States
| | - Galo L Mejia
- Department of Chemistry and Biochemistry, ‡Department of Biological Sciences, and §School of Behavioral and Brain Sciences, University of Texas at Dallas , Richardson, Texas 75080, United States
| | - Candace E Benjamin
- Department of Chemistry and Biochemistry, ‡Department of Biological Sciences, and §School of Behavioral and Brain Sciences, University of Texas at Dallas , Richardson, Texas 75080, United States
| | - Raymond P Welch
- Department of Chemistry and Biochemistry, ‡Department of Biological Sciences, and §School of Behavioral and Brain Sciences, University of Texas at Dallas , Richardson, Texas 75080, United States
| | - Duane D Winkler
- Department of Chemistry and Biochemistry, ‡Department of Biological Sciences, and §School of Behavioral and Brain Sciences, University of Texas at Dallas , Richardson, Texas 75080, United States
| | - Gabriele Meloni
- Department of Chemistry and Biochemistry, ‡Department of Biological Sciences, and §School of Behavioral and Brain Sciences, University of Texas at Dallas , Richardson, Texas 75080, United States
| | - Sheena D'Arcy
- Department of Chemistry and Biochemistry, ‡Department of Biological Sciences, and §School of Behavioral and Brain Sciences, University of Texas at Dallas , Richardson, Texas 75080, United States
| | - Jeremiah J Gassensmith
- Department of Chemistry and Biochemistry, ‡Department of Biological Sciences, and §School of Behavioral and Brain Sciences, University of Texas at Dallas , Richardson, Texas 75080, United States
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25
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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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26
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Lino CA, Caldeira JC, Peabody DS. Display of single-chain variable fragments on bacteriophage MS2 virus-like particles. J Nanobiotechnology 2017; 15:13. [PMID: 28193211 PMCID: PMC5307822 DOI: 10.1186/s12951-016-0240-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 12/03/2016] [Indexed: 11/11/2022] Open
Abstract
Background Virus-like particles (VLPs) of the RNA bacteriophage MS2 have many potential applications in biotechnology. MS2 VLPs provide a platform for peptide display and affinity selection (i.e. biopanning). They are also under investigation as vehicles for targeted drug delivery, using display of receptor-specific peptides or nucleic acid aptamers to direct their binding to specific cell-surface receptors. However, there are few molecules more suited to the precise targeting and binding of a cellular receptor than antibodies. Results Here we describe a strategy for display of four different functional single-chain variable fragments (scFvs) on the surface of the MS2 VLP. Each scFv is validated both for its presence on the surface of the VLP and for its ability to bind its cognate antigen. Conclusions This work demonstrates the suitability of the MS2 VLP platform to display genetically fused scFvs, allowing for many potential applications of these VLPs and paving the way for future work with libraries of scFvs displayed in a similar manner on the VLP surface. These libraries can then be biopanned and novel scFv binders to targets can be readily discovered.
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Affiliation(s)
- Christopher A Lino
- Department of Molecular Genetics and Microbiology, University of New Mexico, Albuquerque, NM, USA.
| | - Jerri C Caldeira
- Department of Molecular Genetics and Microbiology, University of New Mexico, Albuquerque, NM, USA
| | - David S Peabody
- Department of Molecular Genetics and Microbiology, University of New Mexico, Albuquerque, NM, USA
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27
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Pumpens P, Renhofa R, Dishlers A, Kozlovska T, Ose V, Pushko P, Tars K, Grens E, Bachmann MF. The True Story and Advantages of RNA Phage Capsids as Nanotools. Intervirology 2016; 59:74-110. [DOI: 10.1159/000449503] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Accepted: 08/30/2016] [Indexed: 11/19/2022] Open
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28
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Carvalho SB, Freire JM, Moleirinho MG, Monteiro F, Gaspar D, Castanho MARB, Carrondo MJT, Alves PM, Bernardes GJL, Peixoto C. Bioorthogonal Strategy for Bioprocessing of Specific-Site-Functionalized Enveloped Influenza-Virus-Like Particles. Bioconjug Chem 2016; 27:2386-2399. [PMID: 27652605 PMCID: PMC5080633 DOI: 10.1021/acs.bioconjchem.6b00372] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
![]()
Virus-like
particles (VLPs) constitute a promising platform in
vaccine development and targeted drug delivery. To date, most applications
use simple nonenveloped VLPs as human papillomavirus or hepatitis
B vaccines, even though the envelope is known to be critical to retain
the native protein folding and biological function. Here, we present
tagged enveloped VLPs (TagE-VLPs) as a valuable strategy for the downstream
processing and monitoring of the in vivo production of specific-site-functionalized
enveloped influenza VLPs. This two-step procedure allows bioorthogonal
functionalization of azide-tagged nascent influenza type A hemagglutinin
proteins in the envelope of VLPs through a strain-promoted [3 + 2]
alkyne–azide cycloaddition reaction. Importantly, labeling
does not influence VLP production and allows for construction of functionalized
VLPs without deleterious effects on their biological function. Refined
discrimination and separation between VLP and baculovirus, the major
impurity of the process, is achieved when this technique is combined
with flow cytometry analysis, as demonstrated by atomic force microscopy.
TagE-VLPs is a versatile tool broadly applicable to the production,
monitoring, and purification of functionalized enveloped VLPs for
vaccine design trial runs, targeted drug delivery, and molecular imaging.
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Affiliation(s)
- Sofia B Carvalho
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa , Avenida da República, 2780-157 Oeiras, Portugal.,iBET, Instituto de Biologia Experimental e Tecnológica , Apartado 12, 2780-901 Oeiras, Portugal
| | - João M Freire
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa , Avenida Professor Egas Moniz, 1649-028 Lisboa, Portugal
| | - Mafalda G Moleirinho
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa , Avenida da República, 2780-157 Oeiras, Portugal.,iBET, Instituto de Biologia Experimental e Tecnológica , Apartado 12, 2780-901 Oeiras, Portugal
| | - Francisca Monteiro
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa , Avenida da República, 2780-157 Oeiras, Portugal.,iBET, Instituto de Biologia Experimental e Tecnológica , Apartado 12, 2780-901 Oeiras, Portugal
| | - Diana Gaspar
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa , Avenida Professor Egas Moniz, 1649-028 Lisboa, Portugal
| | - Miguel A R B Castanho
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa , Avenida Professor Egas Moniz, 1649-028 Lisboa, Portugal
| | - Manuel J T Carrondo
- iBET, Instituto de Biologia Experimental e Tecnológica , Apartado 12, 2780-901 Oeiras, Portugal.,Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa , 2829-516 Monte da Caparica, Portugal
| | - Paula M Alves
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa , Avenida da República, 2780-157 Oeiras, Portugal.,iBET, Instituto de Biologia Experimental e Tecnológica , Apartado 12, 2780-901 Oeiras, Portugal
| | - Gonçalo J L Bernardes
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa , Avenida Professor Egas Moniz, 1649-028 Lisboa, Portugal.,Department of Chemistry, University of Cambridge , Lensfield Road, CB2 1EW Cambridge, United Kingdom
| | - Cristina Peixoto
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa , Avenida da República, 2780-157 Oeiras, Portugal.,iBET, Instituto de Biologia Experimental e Tecnológica , Apartado 12, 2780-901 Oeiras, Portugal
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29
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Aanei IL, ElSohly AM, Farkas ME, Netirojjanakul C, Regan M, Taylor Murphy S, O'Neil JP, Seo Y, Francis MB. Biodistribution of Antibody-MS2 Viral Capsid Conjugates in Breast Cancer Models. Mol Pharm 2016; 13:3764-3772. [PMID: 27611245 DOI: 10.1021/acs.molpharmaceut.6b00566] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A variety of nanoscale scaffolds, including virus-like particles (VLPs), are being developed for biomedical applications; however, little information is available about their in vivo behavior. Targeted nanoparticles are particularly valuable as diagnostic and therapeutic carriers because they can increase the signal-to-background ratio of imaging agents, improve the efficacy of drugs, and reduce adverse effects by concentrating the therapeutic molecule in the region of interest. The genome-free capsid of bacteriophage MS2 has several features that make it well-suited for use in delivery applications, such as facile production and modification, the ability to display multiple copies of targeting ligands, and the capacity to deliver large payloads. Anti-EGFR antibodies were conjugated to MS2 capsids to construct nanoparticles targeted toward receptors overexpressed on breast cancer cells. The MS2 agents showed good stability in physiological conditions up to 2 days and specific binding to the targeted receptors in in vitro experiments. Capsids radiolabeled with 64Cu isotopes were injected into mice possessing tumor xenografts, and both positron emission tomography-computed tomography (PET/CT) and scintillation counting of the organs ex vivo were used to determine the localization of the agents. The capsids exhibit surprisingly long circulation times (10-15% ID/g in blood at 24 h) and moderate tumor uptake (2-5% ID/g). However, the targeting antibodies did not lead to increased uptake in vivo despite in vitro enhancements, suggesting that extravasation is a limiting factor for delivery to tumors by these particles.
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Affiliation(s)
- Ioana L Aanei
- Department of Chemistry, University of California, Berkeley , Berkeley, California 94720, United States.,Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratories , Berkeley, California 94720, United States
| | - Adel M ElSohly
- Department of Chemistry, University of California, Berkeley , Berkeley, California 94720, United States
| | - Michelle E Farkas
- Department of Chemistry, University of California, Berkeley , Berkeley, California 94720, United States
| | - Chawita Netirojjanakul
- Department of Chemistry, University of California, Berkeley , Berkeley, California 94720, United States
| | - Melanie Regan
- Department of Radiology and Biomedical Imaging, University of California, San Francisco , San Francisco, California 94143, United States
| | - Stephanie Taylor Murphy
- Department of Radiology and Biomedical Imaging, University of California, San Francisco , San Francisco, California 94143, United States
| | - James P O'Neil
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratories , Berkeley, California 94720, United States
| | - Youngho Seo
- Department of Radiology and Biomedical Imaging, University of California, San Francisco , San Francisco, California 94143, United States
| | - Matthew B Francis
- Department of Chemistry, University of California, Berkeley , Berkeley, California 94720, United States.,Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratories , Berkeley, California 94720, United States
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30
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Sangsuwan R, Obermeyer AC, Tachachartvanich P, Palaniappan KK, Francis MB. Direct detection of nitrotyrosine-containing proteins using an aniline-based oxidative coupling strategy. Chem Commun (Camb) 2016; 52:10036-9. [PMID: 27447346 DOI: 10.1039/c6cc04575h] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A convenient two-step method is described for the detection of nitrotyrosine-containing proteins. First, nitrotyrosines are reduced to aminophenols using sodium dithionite. Following this, an oxidative coupling reaction is used to attach anilines bearing fluorescence reporters or affinity probes. Features of this approach include fast reaction times, pmol-level sensitivity, and excellent chemoselectivity.
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Affiliation(s)
- Rapeepat Sangsuwan
- Department of Chemistry, University of California, Berkeley, CA 94720-1460, USA.
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31
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Schoonen L, Nolte RJM, van Hest JCM. Highly efficient enzyme encapsulation in a protein nanocage: towards enzyme catalysis in a cellular nanocompartment mimic. NANOSCALE 2016; 8:14467-14472. [PMID: 27407020 DOI: 10.1039/c6nr04181g] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The study of enzyme behavior in small nanocompartments is crucial for the understanding of biocatalytic processes in the cellular environment. We have developed an enzymatic conjugation strategy to attach a model enzyme to the interior of a cowpea chlorotic mottle virus capsid. It is shown that with this methodology high encapsulation efficiencies can be achieved. Additionally, we demonstrate that the encapsulation does not affect the enzyme performance in terms of a decreased activity or a hampered substrate diffusion. Finally, it is shown that the encapsulated enzymes are protected against proteases. We believe that our strategy can be used to study enzyme kinetics in an environment that approaches physiological conditions.
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Affiliation(s)
- Lise Schoonen
- Radboud University, Institute for Molecules and Materials, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands.
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32
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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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