51
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Cheng C, Li S, Thomas A, Kotov NA, Haag R. Functional Graphene Nanomaterials Based Architectures: Biointeractions, Fabrications, and Emerging Biological Applications. Chem Rev 2017; 117:1826-1914. [PMID: 28075573 DOI: 10.1021/acs.chemrev.6b00520] [Citation(s) in RCA: 257] [Impact Index Per Article: 36.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Functional graphene nanomaterials (FGNs) are fast emerging materials with extremely unique physical and chemical properties and physiological ability to interfere and/or interact with bioorganisms; as a result, FGNs present manifold possibilities for diverse biological applications. Beyond their use in drug/gene delivery, phototherapy, and bioimaging, recent studies have revealed that FGNs can significantly promote interfacial biointeractions, in particular, with proteins, mammalian cells/stem cells, and microbials. FGNs can adsorb and concentrate nutrition factors including proteins from physiological media. This accelerates the formation of extracellular matrix, which eventually promotes cell colonization by providing a more beneficial microenvironment for cell adhesion and growth. Furthermore, FGNs can also interact with cocultured cells by physical or chemical stimulation, which significantly mediate their cellular signaling and biological performance. In this review, we elucidate FGNs-bioorganism interactions and summarize recent advancements on designing FGN-based two-dimensional and three-dimensional architectures as multifunctional biological platforms. We have also discussed the representative biological applications regarding these FGN-based bioactive architectures. Furthermore, the future perspectives and emerging challenges will also be highlighted. Due to the lack of comprehensive reviews in this emerging field, this review may catch great interest and inspire many new opportunities across a broad range of disciplines.
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Affiliation(s)
- Chong Cheng
- Institute of Chemistry and Biochemistry, Freie Universität Berlin , Takustrasse 3, 14195 Berlin, Germany
| | - Shuang Li
- Department of Chemistry, Functional Materials, Technische Universität Berlin , Hardenbergstraße 40, 10623 Berlin, Germany
| | - Arne Thomas
- Department of Chemistry, Functional Materials, Technische Universität Berlin , Hardenbergstraße 40, 10623 Berlin, Germany
| | - Nicholas A Kotov
- Department of Chemical Engineering, University of Michigan , Ann Arbor, Michigan 48109, United States
| | - Rainer Haag
- Institute of Chemistry and Biochemistry, Freie Universität Berlin , Takustrasse 3, 14195 Berlin, Germany
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52
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Abbina S, Vappala S, Kumar P, Siren EMJ, La CC, Abbasi U, Brooks DE, Kizhakkedathu JN. Hyperbranched polyglycerols: recent advances in synthesis, biocompatibility and biomedical applications. J Mater Chem B 2017; 5:9249-9277. [DOI: 10.1039/c7tb02515g] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Hyperbranched polyglycerol is one of the most widely studied biocompatible dendritic polymer and showed promising applications. Here, we summarized the recent advancements in the field.
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Affiliation(s)
- Srinivas Abbina
- Department of Pathology and Laboratory Medicine
- University of British Columbia
- Vancouver
- Canada
- Center for Blood Research
| | - Sreeparna Vappala
- Department of Pathology and Laboratory Medicine
- University of British Columbia
- Vancouver
- Canada
- Center for Blood Research
| | - Prashant Kumar
- Center for Blood Research
- University of British Columbia
- Vancouver
- Canada
- Department of Chemistry
| | - Erika M. J. Siren
- Center for Blood Research
- University of British Columbia
- Vancouver
- Canada
- Department of Chemistry
| | - Chanel C. La
- Center for Blood Research
- University of British Columbia
- Vancouver
- Canada
- Department of Chemistry
| | - Usama Abbasi
- Department of Pathology and Laboratory Medicine
- University of British Columbia
- Vancouver
- Canada
- Center for Blood Research
| | - Donald E. Brooks
- Department of Pathology and Laboratory Medicine
- University of British Columbia
- Vancouver
- Canada
- Center for Blood Research
| | - Jayachandran N. Kizhakkedathu
- Department of Pathology and Laboratory Medicine
- University of British Columbia
- Vancouver
- Canada
- Center for Blood Research
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53
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Mogaki R, Hashim PK, Okuro K, Aida T. Guanidinium-based “molecular glues” for modulation of biomolecular functions. Chem Soc Rev 2017; 46:6480-6491. [DOI: 10.1039/c7cs00647k] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This tutorial review highlights “molecular glues” designed for manipulation of biomolecular assemblies, drug delivery systems, and modulation of biomolecular functions.
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Affiliation(s)
- Rina Mogaki
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo
- Tokyo 113-8656
- Japan
| | - P. K. Hashim
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Kou Okuro
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Takuzo Aida
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo
- Tokyo 113-8656
- Japan
- Riken Center for Emergent Matter Science
- Saitama 351-0198
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54
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Synthesis of multivalent sialyllactosamine-carrying glyco-nanoparticles with high affinity to the human influenza virus hemagglutinin. Carbohydr Polym 2016; 153:96-104. [PMID: 27561476 DOI: 10.1016/j.carbpol.2016.07.083] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Revised: 07/19/2016] [Accepted: 07/19/2016] [Indexed: 10/21/2022]
Abstract
A series of multivalent sialoglyco-conjugated nanoparticles were efficiently synthesized by using highly-branched α-glucuronic acid-linked cyclic dextrins (GlcA-HBCD) as a backbone. The sialoglycoside-moieties, with varying degrees of substitution, could be incorporated onto the preformed nanoparticles. These synthesized particles, which are highly soluble in aqueous solution, were shown to have a spherical nanostructure with a diameter of approximately 15nm. The interactions of the sialoglyco-nanoparticles (Neu5Acα2,6LacNAc-GlcA-HBCDs) with human influenza virus strain A/Beijing/262/95 (H1N1) were investigated using a hemagglutination inhibition assay. The sialoglyco-nanoparticle, in which the number of sialic acid substitution is 30, acted as a powerful inhibitor of virus binding activity. We show that both distance and multiplicity of effective ligand-virus formation play important roles in enhancing viral inhibition. Our results indicate that the GlcA-HBCD backbone can be used as a novel spherical nanocluster material for preparing a variety of glyco-nanoparticles to facilitate molecular recognition.
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55
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Memczak H, Lauster D, Kar P, Di Lella S, Volkmer R, Knecht V, Herrmann A, Ehrentreich-Förster E, Bier FF, Stöcklein WFM. Anti-Hemagglutinin Antibody Derived Lead Peptides for Inhibitors of Influenza Virus Binding. PLoS One 2016; 11:e0159074. [PMID: 27415624 PMCID: PMC4944999 DOI: 10.1371/journal.pone.0159074] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 06/27/2016] [Indexed: 12/23/2022] Open
Abstract
Antibodies against spike proteins of influenza are used as a tool for characterization of viruses and therapeutic approaches. However, development, production and quality control of antibodies is expensive and time consuming. To circumvent these difficulties, three peptides were derived from complementarity determining regions of an antibody heavy chain against influenza A spike glycoprotein. Their binding properties were studied experimentally, and by molecular dynamics simulations. Two peptide candidates showed binding to influenza A/Aichi/2/68 H3N2. One of them, termed PeB, with the highest affinity prevented binding to and infection of target cells in the micromolar region without any cytotoxic effect. PeB matches best the conserved receptor binding site of hemagglutinin. PeB bound also to other medical relevant influenza strains, such as human-pathogenic A/California/7/2009 H1N1, and avian-pathogenic A/Mute Swan/Rostock/R901/2006 H7N1. Strategies to improve the affinity and to adapt specificity are discussed and exemplified by a double amino acid substituted peptide, obtained by substitutional analysis. The peptides and their derivatives are of great potential for drug development as well as biosensing.
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Affiliation(s)
- Henry Memczak
- Department of Bioanalytics and Biosensorics, Fraunhofer Institute for Cell Therapy and Immunology, Branch Bioanalytics and Bioprocesses, Potsdam, Germany
- Institute of Biochemistry and Biology, University of Potsdam, Potsdam, Germany
| | - Daniel Lauster
- Department of Biology, Humboldt Universität zu Berlin, Berlin, Germany
| | - Parimal Kar
- Department of Theory and Bio-Systems, Max-Planck-Institute of Colloids and Interfaces, Potsdam, Germany
| | - Santiago Di Lella
- Department of Biology, Humboldt Universität zu Berlin, Berlin, Germany
- Departamento de Química Biológica e IQUIBICEN-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | | | - Volker Knecht
- Department of Theory and Bio-Systems, Max-Planck-Institute of Colloids and Interfaces, Potsdam, Germany
| | - Andreas Herrmann
- Department of Biology, Humboldt Universität zu Berlin, Berlin, Germany
| | - Eva Ehrentreich-Förster
- Department of Bioanalytics and Biosensorics, Fraunhofer Institute for Cell Therapy and Immunology, Branch Bioanalytics and Bioprocesses, Potsdam, Germany
| | - Frank F. Bier
- Institute of Biochemistry and Biology, University of Potsdam, Potsdam, Germany
- Department of Biosystem Integration and Automation, Fraunhofer Institute for Cell Therapy and Immunology, Branch Bioanalytics and Bioprocesses, Potsdam, Germany
| | - Walter F. M. Stöcklein
- Department of Bioanalytics and Biosensorics, Fraunhofer Institute for Cell Therapy and Immunology, Branch Bioanalytics and Bioprocesses, Potsdam, Germany
- * E-mail:
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56
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Bhatia S, Camacho LC, Haag R. Pathogen Inhibition by Multivalent Ligand Architectures. J Am Chem Soc 2016; 138:8654-66. [DOI: 10.1021/jacs.5b12950] [Citation(s) in RCA: 133] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Sumati Bhatia
- Institut
für Chemie
und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195 Berlin, Germany
| | - Luis Cuellar Camacho
- Institut
für Chemie
und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195 Berlin, Germany
| | - Rainer Haag
- Institut
für Chemie
und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195 Berlin, Germany
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57
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He XP, Zeng YL, Zang Y, Li J, Field RA, Chen GR. Carbohydrate CuAAC click chemistry for therapy and diagnosis. Carbohydr Res 2016; 429:1-22. [DOI: 10.1016/j.carres.2016.03.022] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Revised: 03/22/2016] [Accepted: 03/23/2016] [Indexed: 12/12/2022]
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58
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Komatsu T, Virdee S. ICBS and ECBS Chemical Biology Meeting 2015 - Let Them Come to Berlin! ACS Chem Biol 2016; 11:1159-66. [PMID: 27198933 DOI: 10.1021/acschembio.6b00268] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Toru Komatsu
- Graduate
School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
- JST PRESTO, Tokyo, Japan
| | - Satpal Virdee
- MRC
Protein Phosphorylation and Ubiquitylation Unit, University of Dundee, Dundee, United Kingdom
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59
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Huang ML, Fisher CJ, Godula K. Glycomaterials for probing host-pathogen interactions and the immune response. Exp Biol Med (Maywood) 2016; 241:1042-53. [PMID: 27190259 DOI: 10.1177/1535370216647811] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
The initial engagement of host cells by pathogens is often mediated by glycan structures presented on the cell surface. Various components of the glycocalyx can be targeted by pathogens for adhesion to facilitate infection. Glycans also play integral roles in the modulation of the host immune response to infection. Therefore, understanding the parameters that define glycan interactions with both pathogens and the various components of the host immune system can aid in the development of strategies to prevent, interrupt, or manage infection. Glycomaterials provide a unique and powerful tool with which to interrogate the compositional and functional complexity of the glycocalyx. The objective of this review is to highlight some key contributions from this area of research in deciphering the mechanisms of pathogenesis and the associated host response.
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Affiliation(s)
- Mia L Huang
- Department of Chemistry and Biochemistry, University of California-San Diego, La Jolla, CA 92093, USA
| | - Christopher J Fisher
- Department of Chemistry and Biochemistry, University of California-San Diego, La Jolla, CA 92093, USA
| | - Kamil Godula
- Department of Chemistry and Biochemistry, University of California-San Diego, La Jolla, CA 92093, USA
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60
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Varon Silva D. ECBS & ICBS 2015 Joint Meeting: Bringing Chemistry to Life. Chembiochem 2016; 17:447-52. [PMID: 26710339 DOI: 10.1002/cbic.201500684] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Indexed: 01/11/2023]
Abstract
The European Chemical Biology Society (ECBS) and the International Chemical Biology Society (ICBS) recently organized a joint meeting in Berlin. This meeting had more than 250 participants. Four keynote lectures were given by Timothy Mitchison, David Tirrell, Carolyn Bertozzi and Jason Chin; in addition there were 13 invited speakers, 20 selected oral talks and 30 talks selected from 90 posters. The meeting was divided into six topics: chemoproteomics, epigenetics, conjugates for target delivering, anti-infectives, molecular imaging and probing the structure, and function of post-translational modifications. The highlights of the meeting are presented in this report.
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Affiliation(s)
- Daniel Varon Silva
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Muehlenberg 01, 14476, Potsdam, Germany.
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61
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Wörmann X, Lesch M, Welke RW, Okonechnikov K, Abdurishid M, Sieben C, Geissner A, Brinkmann V, Kastner M, Karner A, Zhu R, Hinterdorfer P, Anish C, Seeberger PH, Herrmann A, Meyer TF, Karlas A. Genetic characterization of an adapted pandemic 2009 H1N1 influenza virus that reveals improved replication rates in human lung epithelial cells. Virology 2016; 492:118-29. [PMID: 26914510 DOI: 10.1016/j.virol.2016.02.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 12/03/2015] [Accepted: 02/03/2016] [Indexed: 12/22/2022]
Abstract
The 2009 influenza pandemic originated from a swine-origin H1N1 virus, which, although less pathogenic than anticipated, may acquire additional virulence-associated mutations in the future. To estimate the potential risk, we sequentially passaged the isolate A/Hamburg/04/2009 in A549 human lung epithelial cells. After passage 6, we observed a 100-fold increased replication rate. High-throughput sequencing of viral gene segments identified five dominant mutations, whose contribution to the enhanced growth was analyzed by reverse genetics. The increased replication rate was pinpointed to two mutations within the hemagglutinin (HA) gene segment (HA1 D130E, HA2 I91L), near the receptor binding site and the stem domain. The adapted virus also replicated more efficiently in mice in vivo. Enhanced replication rate correlated with increased fusion pH of the HA protein and a decrease in receptor affinity. Our data might be relevant for surveillance of pre-pandemic strains and development of high titer cell culture strains for vaccine production.
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Affiliation(s)
- Xenia Wörmann
- Department of Molecular Biology, Max Planck Institute for Infection Biology, Berlin, Germany
| | - Markus Lesch
- Department of Molecular Biology, Max Planck Institute for Infection Biology, Berlin, Germany; Steinbeis Innovation gGmbH, Center for Systems Biomedicine, Falkensee, Germany
| | - Robert-William Welke
- Department of Biology, Molecular Biophysics, IRI Life Sciences, Humboldt-Universität zu Berlin, Germany
| | - Konstantin Okonechnikov
- Department of Molecular Biology, Max Planck Institute for Infection Biology, Berlin, Germany
| | - Mirshat Abdurishid
- Department of Molecular Biology, Max Planck Institute for Infection Biology, Berlin, Germany
| | - Christian Sieben
- Department of Biology, Molecular Biophysics, IRI Life Sciences, Humboldt-Universität zu Berlin, Germany
| | - Andreas Geissner
- Department for Biomolecular Systems, Max Planck Institute for Colloids and Interfaces, Potsdam, Germany; Institute of Chemistry and Biochemistry, Free University, Berlin, Germany
| | - Volker Brinkmann
- Department of Molecular Biology, Max Planck Institute for Infection Biology, Berlin, Germany
| | - Markus Kastner
- Institute for Biophysics, Johannes Kepler University, Linz, Austria
| | - Andreas Karner
- Center for Advanced Bioanalysis GmbH (CBL), Linz, Austria
| | - Rong Zhu
- Institute for Biophysics, Johannes Kepler University, Linz, Austria
| | | | - Chakkumkal Anish
- Department for Biomolecular Systems, Max Planck Institute for Colloids and Interfaces, Potsdam, Germany
| | - Peter H Seeberger
- Department for Biomolecular Systems, Max Planck Institute for Colloids and Interfaces, Potsdam, Germany; Institute of Chemistry and Biochemistry, Free University, Berlin, Germany
| | - Andreas Herrmann
- Department of Biology, Molecular Biophysics, IRI Life Sciences, Humboldt-Universität zu Berlin, Germany
| | - Thomas F Meyer
- Department of Molecular Biology, Max Planck Institute for Infection Biology, Berlin, Germany; Steinbeis Innovation gGmbH, Center for Systems Biomedicine, Falkensee, Germany.
| | - Alexander Karlas
- Department of Molecular Biology, Max Planck Institute for Infection Biology, Berlin, Germany; Steinbeis Innovation gGmbH, Center for Systems Biomedicine, Falkensee, Germany.
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62
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Asadian-Birjand M, Biglione C, Bergueiro J, Cappelletti A, Rahane C, Chate G, Khandare J, Klemke B, Strumia MC, Calderón M. Transferrin Decorated Thermoresponsive Nanogels as Magnetic Trap Devices for Circulating Tumor Cells. Macromol Rapid Commun 2015; 37:439-45. [PMID: 26691543 DOI: 10.1002/marc.201500590] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 11/19/2015] [Indexed: 12/18/2022]
Abstract
A rational design of magnetic capturing nanodevices, based on a specific interaction with circulating tumor cells (CTCs), can advance the capturing efficiency and initiate the development of modern smart nanoformulations for rapid isolation and detection of these CTCs from the bloodstream. Therefore, the development and evaluation of magnetic nanogels (MNGs) based on magnetic nanoparticles and linear thermoresponsive polyglycerol for the capturing of CTCs with overexpressed transferrin (Tf(+) ) receptors has been presented in this study. The MNGs are synthesized using a strain-promoted "click" approach which has allowed the in situ surface decoration with Tf-polyethylene glycol (PEG) ligands of three different PEG chain lengths as targeting ligands. An optimal value of around 30% of cells captures is achieved with a linker of eight ethylene glycol units. This study shows the potential of MNGs for the capture of CTCs and the necessity of precise control over the linkage of the targeting moiety to the capturing device.
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Affiliation(s)
- Mazdak Asadian-Birjand
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, 14195, Berlin, Germany
| | - Catalina Biglione
- LAMAP Laboratorio de Materiales Poliméricos, IMBIV-CONICET, Departamento de Química, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre y Medina Allende, X5000HUA, Córdoba, Argentina
| | - Julian Bergueiro
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, 14195, Berlin, Germany
| | - Ariel Cappelletti
- LAMAP Laboratorio de Materiales Poliméricos, IMBIV-CONICET, Departamento de Química, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre y Medina Allende, X5000HUA, Córdoba, Argentina
| | - Chinmay Rahane
- MAEER's Maharashtra Institute of Pharmacy, Kothrud, Pune, 411038, Maharashtra, India
| | - Govind Chate
- MAEER's Maharashtra Institute of Pharmacy, Kothrud, Pune, 411038, Maharashtra, India
| | - Jayant Khandare
- MAEER's Maharashtra Institute of Pharmacy, Kothrud, Pune, 411038, Maharashtra, India
| | - Bastian Klemke
- Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, D-14109, Berlin, Germany
| | - Miriam C Strumia
- LAMAP Laboratorio de Materiales Poliméricos, IMBIV-CONICET, Departamento de Química, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre y Medina Allende, X5000HUA, Córdoba, Argentina
| | - Marcelo Calderón
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, 14195, Berlin, Germany
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63
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Zeng H, Schlesener C, Cromwell O, Hellmund M, Haag R, Guan Z. Amino Acid-Functionalized Dendritic Polyglycerol for Safe and Effective siRNA Delivery. Biomacromolecules 2015; 16:3869-77. [DOI: 10.1021/acs.biomac.5b01196] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Hanxiang Zeng
- Department
of Chemistry, University of California, Irvine, California 92697-2025, United States
| | - Cathleen Schlesener
- Institut
für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195, Berlin, Germany
| | - Olivia Cromwell
- Department
of Chemistry, University of California, Irvine, California 92697-2025, United States
| | - Markus Hellmund
- Institut
für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195, Berlin, Germany
| | - Rainer Haag
- Institut
für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195, Berlin, Germany
| | - Zhibin Guan
- Department
of Chemistry, University of California, Irvine, California 92697-2025, United States
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64
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Xiao S, Si L, Tian Z, Jiao P, Fan Z, Meng K, Zhou X, Wang H, Xu R, Han X, Fu G, Zhang Y, Zhang L, Zhou D. Pentacyclic triterpenes grafted on CD cores to interfere with influenza virus entry: A dramatic multivalent effect. Biomaterials 2015; 78:74-85. [PMID: 26686050 DOI: 10.1016/j.biomaterials.2015.11.034] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 11/20/2015] [Accepted: 11/28/2015] [Indexed: 12/16/2022]
Abstract
Multivalent effect plays an important role in biological processes, particularly in the specific recognition of virus with its host cell during the first step of infection. Here we report the synthesis of multivalent pentacyclic triterpene grafted on cyclodextrin core and potency of against influenza entry activity. Nine star-shaped compounds containing six, seven and eight pentacyclic triterpene pharmacophore on cyclodextrin scaffold were prepared by way of copper-catalyzed azide-alkyl cycloaddition reaction under microwave activation. Some of the multimers exhibited much potent antiviral activity against H1N1 virus (A/WSN/33), even equivalent or superior to oseltamivir. The most active compound 31, a heptavalent oleanolic acid-β-cyclodextrin conjugate, shows an up to 125-fold potency enhancement by its IC50 value over the corresponding monovalent conjugate and oleanolic acid, disclosing a clear multivalent effect. Further studies show that three compounds 31-33 exhibited broad spectrum inhibitory activity against other two human influenza A/JX/312 (H3N2) and A/HN/1222 (H3N2) viruses with the IC50 values at 2.47-14.90 μM. Most importantly, we found that compound 31, one of the best representative conjugate, binds tightly to the viral envelope hemagglutinin with a dissociation constant of KD = 2.08 μM, disrupting the interaction of hemagglutinin with the sialic acid receptor and thus the attachment of viruses to host cells. Our study might establish a strategy for the design of new pharmaceutical agents based on multivalency so as to block influenza virus entry into host cells.
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Affiliation(s)
- Sulong Xiao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.
| | - Longlong Si
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Zhenyu Tian
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Pingxuan Jiao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Zibo Fan
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Kun Meng
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xiaoshu Zhou
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Han Wang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Renyang Xu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xu Han
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Ge Fu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Yongmin Zhang
- Institut Parisien de Chimie Moléculaire, CNRS UMR 8232, Université Pierre & Marie Curie-Paris 6, 4 place Jussieu, 75005 Paris, France
| | - Lihe Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Demin Zhou
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.
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65
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Li J, Yu F, Chen Y, Oupický D. Polymeric drugs: Advances in the development of pharmacologically active polymers. J Control Release 2015; 219:369-382. [PMID: 26410809 DOI: 10.1016/j.jconrel.2015.09.043] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2015] [Revised: 09/21/2015] [Accepted: 09/22/2015] [Indexed: 02/06/2023]
Abstract
Synthetic polymers play a critical role in pharmaceutical discovery and development. Current research and applications of pharmaceutical polymers are mainly focused on their functions as excipients and inert carriers of other pharmacologically active agents. This review article surveys recent advances in alternative pharmaceutical use of polymers as pharmacologically active agents known as polymeric drugs. Emphasis is placed on the benefits of polymeric drugs that are associated with their macromolecular character and their ability to explore biologically relevant multivalency processes. We discuss the main therapeutic uses of polymeric drugs as sequestrants, antimicrobials, antivirals, and anticancer and anti-inflammatory agents.
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Affiliation(s)
- Jing Li
- Center for Drug Delivery and Nanomedicine, Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Fei Yu
- Center for Drug Delivery and Nanomedicine, Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Yi Chen
- Center for Drug Delivery and Nanomedicine, Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - David Oupický
- Center for Drug Delivery and Nanomedicine, Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA; Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA; Department of Chemistry, University of Nebraska Lincoln, Lincoln, NE, USA; Department of Pharmaceutical Sciences, China Pharmaceutical University, Nanjing, China.
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66
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Hu XL, Li D, Shao L, Dong X, He XP, Chen GR, Chen D. Triazole-Linked Glycolipids Enhance the Susceptibility of MRSA to β-Lactam Antibiotics. ACS Med Chem Lett 2015; 6:793-7. [PMID: 26191368 DOI: 10.1021/acsmedchemlett.5b00142] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Accepted: 06/01/2015] [Indexed: 12/12/2022] Open
Abstract
We show here that a series of triazolyl glycolipid derivatives modularly synthesized by a "click" reaction have the ability to increase the susceptibility of a drug-resistant bacterium to β-lactam antibiotics. We determine that the glycolipids can suppress the minimal inhibitory concentration of a number of ineffective β-lactams, upward of 256-fold, for methicillin-resistant Staphylococuss aureus (MRSA). The mechanism of action has been preliminarily probed and discussed.
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Affiliation(s)
- Xi-Le Hu
- Key Laboratory for Advanced Materials & Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China
| | - Dan Li
- State
Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute
of Pharmaceutical Industry, China State Institute of Pharmaceutical Industry, Shanghai 200040, PR China
| | - Lei Shao
- State
Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute
of Pharmaceutical Industry, China State Institute of Pharmaceutical Industry, Shanghai 200040, PR China
| | - Xiaojing Dong
- State
Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute
of Pharmaceutical Industry, China State Institute of Pharmaceutical Industry, Shanghai 200040, PR China
| | - Xiao-Peng He
- Key Laboratory for Advanced Materials & Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China
| | - Guo-Rong Chen
- Key Laboratory for Advanced Materials & Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China
| | - Daijie Chen
- State
Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute
of Pharmaceutical Industry, China State Institute of Pharmaceutical Industry, Shanghai 200040, PR China
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67
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Lohse M, von Krbek LKS, Radunz S, Moorthy S, Schalley CA, Hecht S. Discrete multiporphyrin pseudorotaxane assemblies from di- and tetravalent porphyrin building blocks. Beilstein J Org Chem 2015; 11:748-62. [PMID: 26124877 PMCID: PMC4464431 DOI: 10.3762/bjoc.11.85] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2015] [Accepted: 04/29/2015] [Indexed: 12/26/2022] Open
Abstract
Two pairs of divalent and tetravalent porphyrin building blocks carrying the complementary supramolecular crown ether/secondary ammonium ion binding motif have been synthesized and their derived pseudorotaxanes have been studied by a combination of NMR spectroscopy in solution and ESI mass spectrometry in the gas phase. By simple mixing of the components the formation of discrete dimeric and trimeric (metallo)porphyrin complexes predominates, in accordance to binding stoichiometry, while the amount of alternative structures can be neglected. Our results illustrate the power of multivalency to program the multicomponent self-assembly of specific entities into discrete functional nanostructures.
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Affiliation(s)
- Mirko Lohse
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany. ; Tel: +49 (0)30 2093-7308
| | - Larissa K S von Krbek
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustraße 3, 14195 Berlin, Germany. ; Tel: +49(0)308385-2639
| | - Sebastian Radunz
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany. ; Tel: +49 (0)30 2093-7308
| | - Suresh Moorthy
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustraße 3, 14195 Berlin, Germany. ; Tel: +49(0)308385-2639
| | - Christoph A Schalley
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustraße 3, 14195 Berlin, Germany. ; Tel: +49(0)308385-2639
| | - Stefan Hecht
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany. ; Tel: +49 (0)30 2093-7308
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68
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Lauster D, Pawolski D, Storm J, Ludwig K, Volkmer R, Memczak H, Herrmann A, Bhatia S. Potential of acylated peptides to target the influenza A virus. Beilstein J Org Chem 2015; 11:589-95. [PMID: 26124860 PMCID: PMC4464269 DOI: 10.3762/bjoc.11.65] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Accepted: 04/24/2015] [Indexed: 01/15/2023] Open
Abstract
For antiviral drug design, especially in the field of influenza virus research, potent multivalent inhibitors raise high expectations for combating epidemics and pandemics. Among a large variety of covalent and non-covalent scaffold systems for a multivalent display of inhibitors, we created a simple supramolecular platform to enhance the antiviral effect of our recently developed antiviral Peptide B (PeB(GF)), preventing binding of influenza virus to the host cell. By conjugating the peptide with stearic acid to create a higher-order structure with a multivalent display, we could significantly enhance the inhibitory effect against the serotypes of both human pathogenic influenza virus A/Aichi/2/1968 H3N2, and avian pathogenic A/FPV/Rostock/34 H7N1 in the hemagglutination inhibition assay. Further, the inhibitory potential of stearylated PeB(GF) (C18-PeB(GF)) was investigated by infection inhibition assays, in which we achieved low micromolar inhibition constants against both viral strains. In addition, we compared C18-PeB(GF) to other published amphiphilic peptide inhibitors, such as the stearylated sugar receptor mimicking peptide (Matsubara et al. 2010), and the "Entry Blocker" (EB) (Jones et al. 2006), with respect to their antiviral activity against infection by Influenza A Virus (IAV) H3N2. However, while this strategy seems at a first glance promising, the native situation is quite different from our experimental model settings. First, we found a strong potential of those peptides to form large amyloid-like supramolecular assemblies. Second, in vivo, the large excess of cell surface membranes provides an unspecific target for the stearylated peptides. We show that acylated peptides insert into the lipid phase of such membranes. Eventually, our study reveals serious limitations of this type of self-assembling IAV inhibitors.
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Affiliation(s)
- Daniel Lauster
- Humboldt-Universität zu Berlin, Institute of Biology, Invalidenstr. 42, 10115 Berlin, Germany
| | - Damian Pawolski
- Humboldt-Universität zu Berlin, Institute of Biology, Invalidenstr. 42, 10115 Berlin, Germany
| | - Julian Storm
- Humboldt-Universität zu Berlin, Institute of Biology, Invalidenstr. 42, 10115 Berlin, Germany
| | - Kai Ludwig
- Freie Universität Berlin, Research Center of Electron Microscopy, Fabeckstr. 36a, 14195 Berlin, Germany
| | - Rudolf Volkmer
- Charité Universitätsmedizin Berlin, Institute of Immunology, Charitéplatz 1, 10117 Berlin, Germany
| | - Henry Memczak
- Fraunhofer Institute for Cell Therapy and Immunology, Am Mühlenberg 13, 14476 Potsdam, Germany
| | - Andreas Herrmann
- Humboldt-Universität zu Berlin, Institute of Biology, Invalidenstr. 42, 10115 Berlin, Germany
| | - Sumati Bhatia
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Takustr. 3, 14195 Berlin, Germany
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69
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Vonnemann J, Liese S, Kuehne C, Ludwig K, Dernedde J, Böttcher C, Netz RR, Haag R. Size Dependence of Steric Shielding and Multivalency Effects for Globular Binding Inhibitors. J Am Chem Soc 2015; 137:2572-9. [DOI: 10.1021/ja5114084] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
| | | | - Christian Kuehne
- Institute
of Laboratory Medicine, Clinical Chemistry and Pathobiochemistry, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | | | - Jens Dernedde
- Institute
of Laboratory Medicine, Clinical Chemistry and Pathobiochemistry, Charité-Universitätsmedizin Berlin, Berlin, Germany
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70
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Varner CT, Rosen T, Martin JT, Kane RS. Recent advances in engineering polyvalent biological interactions. Biomacromolecules 2015; 16:43-55. [PMID: 25426695 PMCID: PMC4294584 DOI: 10.1021/bm5014469] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 11/11/2014] [Indexed: 12/21/2022]
Abstract
Polyvalent interactions, where multiple ligands and receptors interact simultaneously, are ubiquitous in nature. Synthetic polyvalent molecules, therefore, have the ability to affect biological processes ranging from protein-ligand binding to cellular signaling. In this review, we discuss recent advances in polyvalent scaffold design and applications. First, we will describe recent developments in the engineering of polyvalent scaffolds based on biomolecules and novel materials. Then, we will illustrate how polyvalent molecules are finding applications as toxin and pathogen inhibitors, targeting molecules, immune response modulators, and cellular effectors.
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Affiliation(s)
- Chad T. Varner
- The Howard P. Isermann Department
of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
| | - Tania Rosen
- The Howard P. Isermann Department
of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
| | - Jacob T. Martin
- The Howard P. Isermann Department
of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
| | - Ravi S. Kane
- The Howard P. Isermann Department
of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
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71
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Bhatia S, Dimde M, Haag R. Multivalent glycoconjugates as vaccines and potential drug candidates. MEDCHEMCOMM 2014. [DOI: 10.1039/c4md00143e] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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72
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Vonnemann J, Sieben C, Wolff C, Ludwig K, Böttcher C, Herrmann A, Haag R. Virus inhibition induced by polyvalent nanoparticles of different sizes. NANOSCALE 2014; 6:2353-60. [PMID: 24430614 DOI: 10.1039/c3nr04449a] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
The development of antiviral agents is one of the major challenges in medical science. So far, small monovalent molecular drugs that inhibit the late steps in the viral replication cycle, i.e., virus budding, have not worked well which emphasizes the need for alternative approaches. Polyvalently presented viral receptors, however, show potential as good inhibitors of virus-cell binding, which is the first step in the viral infection cycle. By gradually increasing the size of ligand functionalized gold nanoparticles, up to virus-like dimensions, we are now able to quantify the polyvalent enhancement of virus-cell binding inhibition and to identify varying mechanisms of virus inhibition with different efficacies: by employing a new binding assay we found that surface area-normalized polysulfated gold nanoparticles of diameters equal to and larger than the virus diameter (>50 nm) more efficiently inhibit the binding of vesicular stomatitis virus (VSV) to cells than smaller particles. On a per particle basis, larger sized gold nanoparticles were surprisingly shown to inhibit the viral infection up to two orders of magnitude more efficiently than smaller particles, which suggests different mechanisms of virus inhibition. Based on complementary electron microscopic data, we noticed that larger gold nanoparticles act as efficient cross-linkers between virions, whereas smaller gold nanoparticles decorate the surface of individual virus particles. Our systematic study accentuates the need for the design of biodegradable, virus-sized inhibitors capitalizing on polyvalent binding.
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Affiliation(s)
- Jonathan Vonnemann
- Institut für Chemie und Biochemie, Freie Universität Berlin, Berlin, Germany.
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73
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Van Breedam W, Pöhlmann S, Favoreel HW, de Groot RJ, Nauwynck HJ. Bitter-sweet symphony: glycan-lectin interactions in virus biology. FEMS Microbiol Rev 2013; 38:598-632. [PMID: 24188132 PMCID: PMC7190080 DOI: 10.1111/1574-6976.12052] [Citation(s) in RCA: 102] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2013] [Revised: 09/27/2013] [Accepted: 10/14/2013] [Indexed: 01/01/2023] Open
Abstract
Glycans are carbohydrate modifications typically found on proteins or lipids, and can act as ligands for glycan-binding proteins called lectins. Glycans and lectins play crucial roles in the function of cells and organs, and in the immune system of animals and humans. Viral pathogens use glycans and lectins that are encoded by their own or the host genome for their replication and spread. Recent advances in glycobiological research indicate that glycans and lectins mediate key interactions at the virus-host interface, controlling viral spread and/or activation of the immune system. This review reflects on glycan–lectin interactions in the context of viral infection and antiviral immunity. A short introduction illustrates the nature of glycans and lectins, and conveys the basic principles of their interactions. Subsequently, examples are discussed highlighting specific glycan–lectin interactions and how they affect the progress of viral infections, either benefiting the host or the virus. Moreover, glycan and lectin variability and their potential biological consequences are discussed. Finally, the review outlines how recent advances in the glycan–lectin field might be transformed into promising new approaches to antiviral therapy.
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Affiliation(s)
- Wander Van Breedam
- Department of Virology, Parasitology and Immunology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
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74
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Vallée MRJ, Artner LM, Dernedde J, Hackenberger CPR. Alkinphosphonite für sequenzielle Azid-Azid-Kupplungen. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201302462] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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75
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Microscopic Studies of Various Sizes of Gold Nanoparticles and Their Cellular Localizations. ACTA ACUST UNITED AC 2013. [DOI: 10.1155/2013/123838] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Gold nanoparticles (GNPs) are widely used in biological and clinical applications due to their favorable chemical and optical properties. GNPs can be used for drug delivery to targeted cells. In addition, GNPs serve as ideal probes for biological and cell imaging applications. Recent studies indicate that the size diversity of GNPs plays an important role in targeting cellular components for biomedical applications. In this study, we conducted a series of studies using different sizes of gold nanoparticles, including 3, 10, 25, and 50 nm, to determine the effect of size variations on their intracellular localizations. Our cytotoxicity studies of GNPs into the HEp-2 cells using MTT assay indicated that 3 nm GNPs possess the highest toxicity. We exposed HEp-2 cells with various sizes of gold nanoparticles for different time intervals (1, 2, 4, 12, and 24 h) followed by imaging using scanning electron microscope (SEM) and atomic force microscope (AFM). Our SEM and AFM results showed that, after 1 hr incubation, 3 and 10 nm gold nanoparticles entered the nucleus, whereas 25 and 50 nm particles accumulated around the nucleus. As the time of exposure increased, GNPs entered the cells and accumulated in the cytosol and nucleus based solely on their sizes.
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76
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Vallée MRJ, Artner LM, Dernedde J, Hackenberger CPR. Alkyne Phosphonites for Sequential Azide-Azide Couplings. Angew Chem Int Ed Engl 2013; 52:9504-8. [DOI: 10.1002/anie.201302462] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Indexed: 01/05/2023]
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77
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Nazemi A, Haeryfar SMM, Gillies ER. Multifunctional dendritic sialopolymersomes as potential antiviral agents: their lectin binding and drug release properties. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:6420-6428. [PMID: 23621407 DOI: 10.1021/la400890f] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Polymer vesicles, commonly referred to as polymersomes, are self-organized materials that result from the self-assembly of amphiphilic copolymers in solution. Recently, there has been increasing interest in biomedical applications of polymersomes due to the different functions that can be imparted through encapsulation of molecules within the core or membrane or through the introduction of bioactive molecules to the polymersome surface. We describe here the development and study of poly(ethylene oxide)-polycaprolactone polymersomes designed to interact with influenza viruses at two different stages in the infection process. First, the conjugation of the sialic acid N-acetylneuraminic acid (Neu5Ac) to the polymersome surface was designed to inhibit the binding of viral hemagglutinin to sialic acids on host cells, thus preventing viral entry. Second, the incorporation of the neuraminidase inhibitor zanamivir into the polymersome core was designed to prevent the release of progeny virus from the host cells, thus inhibiting viral replication. With the aim of maximizing multivalent effects at the polymersome surface, polyester dendrons functionalized with Neu5Ac were synthesized and conjugated to polymersomes. Binding of the resulting dendritic sialopolymersomes to Limax flavus agglutinin was studied and compared to the sialodendron and a monovalent Neu5Ac derivative using an enzyme-linked lectin inhibition assay. It was found that while the sialodendron exhibited a 17-fold enhancement (per sialoside) relative to the small molecule, the dendritic sialopolymersomes resulted in an almost 2000-fold enhancement in binding affinity. It was also demonstrated that encapsulation of zanamivir into the dendritic sialopolymersomes could be performed with the same efficiency as for naked polymersomes to provide a drug loading of ~35 wt %. Drug release rates were similar for both systems with sustained release over a period of 4 days. Overall, these results suggest the promise of using a multifunctional polymersome system for interaction with and inhibition of influenza viruses.
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Affiliation(s)
- Ali Nazemi
- Department of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario, Canada
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78
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Behra M, Azzouz N, Schmidt S, Volodkin DV, Mosca S, Chanana M, Seeberger PH, Hartmann L. Magnetic Porous Sugar-Functionalized PEG Microgels for Efficient Isolation and Removal of Bacteria from Solution. Biomacromolecules 2013; 14:1927-35. [DOI: 10.1021/bm400301v] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Muriel Behra
- Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1,
14476 Potsdam-Golm, Germany
- Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Nahid Azzouz
- Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1,
14476 Potsdam-Golm, Germany
- Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Stephan Schmidt
- Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1,
14476 Potsdam-Golm, Germany
- Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Dmitry V. Volodkin
- Fraunhofer Institute for Biomedical Engineering IBMT, Am Mühlenberg
13, 14476 Potsdam-Golm, Germany
| | - Simone Mosca
- Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1,
14476 Potsdam-Golm, Germany
- Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Munish Chanana
- Institute for Building
Materials (IfB), ETH Zurich, Schafmattstr. 6 (HIF), 8093 Zurich, Switzerland
| | - Peter H. Seeberger
- Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1,
14476 Potsdam-Golm, Germany
- Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Laura Hartmann
- Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1,
14476 Potsdam-Golm, Germany
- Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
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79
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Wang H, Huang W, Orwenyo J, Banerjee A, Vasta GR, Wang LX. Design and synthesis of glycoprotein-based multivalent glyco-ligands for influenza hemagglutinin and human galectin-3. Bioorg Med Chem 2013; 21:2037-44. [PMID: 23411399 DOI: 10.1016/j.bmc.2013.01.028] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2012] [Revised: 01/01/2013] [Accepted: 01/09/2013] [Indexed: 12/31/2022]
Abstract
We report a facile synthesis of glycoprotein-based glyco-ligands and their binding with influenza hemagglutinin and human galectin-3. Human serum albumin (HSA) was used as the scaffold and an Asn-linked complex type N-glycan prepared from chicken eggs was used as the glycan building block. It was found that Cu(I)-catalyzed alkyne-azide cycloaddition reaction (click chemistry) between the alkyne-labeled glycan and the azide-tagged HSA led to an efficient formation of the glycoconjugates. The density of glycan ligands on the protein scaffold was readily varied by changing the molar ratios of the two reactants. Binding studies indicated that the sialylated and desialylated multivalent glycoligands could selectively bind to influenza hemagglutinin and human galectin-3, respectively, with high affinity. In the two glycan-lectin interactions, a clear multivalent effect was observed. Moreover, a cell-based assay showed that the synthetic multivalent glyco-ligands could efficiently inhibit the attachment of galectin-3 to human prostate cancer and lung cancer cell lines. This study suggests that the synthetic glycoprotein-based glyco-ligands can be useful for different applications, including blocking the function of galectin-3 in cancer metastasis.
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Affiliation(s)
- Helen Wang
- Institute of Human Virology and Department of Biochemistry & Molecular Biology, University of Maryland School of Medicine, 725 West Lombard Street, Baltimore, MD 21201, USA
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80
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Surfactant free preparation of biodegradable dendritic polyglycerol nanogels by inverse nanoprecipitation for encapsulation and release of pharmaceutical biomacromolecules. J Control Release 2012; 169:289-95. [PMID: 23262202 DOI: 10.1016/j.jconrel.2012.12.008] [Citation(s) in RCA: 120] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Accepted: 12/07/2012] [Indexed: 01/10/2023]
Abstract
In this paper we report a novel approach to generate biodegradable polyglycerol nanogels on different length scales. We developed a mild, surfactant free inverse nanoprecipitation process to template hydrophilic polyglycerol nanoparticles. In situ crosslinking of the precipitated nanoparticles by bioorthogonal copper catalyzed click chemistry allows us to obtain size defined polyglycerol nanogels (100-1000nm). Biodegradability was achieved by the introduction of benzacetal bonds into the net points of the nanogel. Interestingly, the polyglycerol nanogels quickly degraded into low molecular weight fragments at acidic pH values, which are present in inflamed and tumor tissues as well as intracellular organelles, and they remained stable at physiological pH values for a long time. This mild approach to biodegradable polyglycerol nanogels allows us to encapsulate labile biomacromolecules such as proteins, including the therapeutic relevant enzyme asparaginase, into the protein resistant polyglycerol network. Enzymes were encapsulated with an efficacy of 100% and after drug release, full enzyme activity and structural integrity were retained. This new inverse nanoprecipitation procedure allows the efficient encapsulation and release of various biomacromolecules including proteins and could find many applications in polymer therapeutics and nanomedicine.
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81
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Multivalent ligand: design principle for targeted therapeutic delivery approach. Ther Deliv 2012; 3:1171-87. [DOI: 10.4155/tde.12.99] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Multivalent interactions of biological molecules play an important role in many biochemical events. A multivalent ligand comprises of multiple copies of ligands conjugated to scaffolds, allowing the simultaneous binding of multivalent ligands to multiple binding sites or receptors. Many research groups have successfully designed and synthesized multivalent ligands to increase the binding affinity, avidity and specificity of the ligand to the receptor. A multimeric ligand is a promising option for the specific treatment of diseases. In this review, the factors affecting multivalent interactions, including the size and shape of the ligand, geometry and an arrangement of ligands on the scaffold, linker length, thermodynamic, and kinetics of the interactions are discussed. Examples of the multivalent ligand applications for therapeutic delivery are also summarized.
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82
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Fasting C, Schalley CA, Weber M, Seitz O, Hecht S, Koksch B, Dernedde J, Graf C, Knapp EW, Haag R. Multivalenz als chemisches Organisations- und Wirkprinzip. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201201114] [Citation(s) in RCA: 164] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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83
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Fasting C, Schalley CA, Weber M, Seitz O, Hecht S, Koksch B, Dernedde J, Graf C, Knapp EW, Haag R. Multivalency as a Chemical Organization and Action Principle. Angew Chem Int Ed Engl 2012; 51:10472-98. [DOI: 10.1002/anie.201201114] [Citation(s) in RCA: 688] [Impact Index Per Article: 57.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2012] [Indexed: 12/26/2022]
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84
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Polyvalent nucleic acid aptamers and modulation of their activity: a focus on the thrombin binding aptamer. Pharmacol Ther 2012; 136:202-15. [PMID: 22850531 DOI: 10.1016/j.pharmthera.2012.07.011] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Accepted: 07/16/2012] [Indexed: 01/29/2023]
Abstract
Nucleic acid-based aptamers can be selected from combinatorial libraries of synthetic oligonucleotides to bind, with affinity and specificity similar to antibodies, a wide range of biomedically relevant targets. Compared to protein therapeutics, aptamers exhibit significant advantages in terms of size, non-immunogenicity and wide synthetic accessibility. Various chemical modifications have been introduced in the natural oligonucleotide backbone of aptamers in order to increase their half-life, as well as their pharmacological properties. Very effective alternative approaches, devised in order to improve both the aptamer activity and stability, were based on the design of polyvalent aptamers, able to establish multivalent interactions with the target: thus, multiple copies of an aptamer can be assembled on the same molecular- or nanomaterial-based scaffold. In the present review, the thrombin binding aptamers (TBAs) are analyzed as a model system to study multiple-aptamer constructs aimed at improving their anticoagulation activity in terms of binding to the target and stability to enzymatic degradation. Indeed - even if the large number of chemically modified TBAs investigated in the last 20 years has led to encouraging results - a significant progress has been obtained only recently with bivalent or engineered dendritic TBA aptamers, or assemblies of TBAs on nanoparticles and DNA nanostructures. Furthermore, the modulation of the aptamers activity by means of tailored drug-active reversal agents, especially in the field of anticoagulant aptamers, as well as the reversibility of the TBA activity through the use of antidotes, such as porphyrins, complementary oligonucleotides or of external stimuli, are discussed.
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85
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Quadir MA, Haag R. Biofunctional nanosystems based on dendritic polymers. J Control Release 2012; 161:484-95. [DOI: 10.1016/j.jconrel.2011.12.040] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2011] [Revised: 12/28/2011] [Accepted: 12/29/2011] [Indexed: 11/30/2022]
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86
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Anish C, Goswami DG, Kanchan V, Mathew S, Panda AK. The immunogenic characteristics associated with multivalent display of Vi polysaccharide antigen using biodegradable polymer particles. Biomaterials 2012; 33:6843-57. [PMID: 22748669 DOI: 10.1016/j.biomaterials.2012.06.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Accepted: 06/04/2012] [Indexed: 10/28/2022]
Abstract
Polysaccharides in their great majority are thymus-independent (TI) antigens. Anti-polysaccharide antibody responses are generally weak and characterized by lack of memory, isotype restriction and delayed ontogeny. We report here the generation of protective memory antibody response by multivalent display of polysaccharide antigens on biodegradable polymeric particles. Single dose immunization using polylactide (PLA) polymer particles entrapping Vi capsular polysaccharide antigen from Salmonella typhi promoted isotype switching and induced polysaccharide-specific memory antibody response in experimental animals. PLA nanoparticles as well as microparticles entrapping Vi polysaccharides elicited high IgG titer in comparison to soluble Vi immunization. Immunizations with particles co-entrapping both Vi polysaccharide and tetanus toxoid did not improve the anti-polysaccharide antibody responses. Lower antibody response from co-entrapped formulation was mostly due to inhibition of particle phagocytosis by the macrophages. Immunization using polylactide particles entrapping only Vi polysaccharide with higher density on surface elicited highest secondary antibody response as well as promoted isotype switching. The vaccination potential of particle based immunizations was further confirmed by the generation of quick memory antibody responses while challenging the immunized animals with live S. typhi. This approach provides a multivalent display of polysaccharide antigen using polymer particles and elicits protective memory antibody response without conjugation to a carrier protein.
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Affiliation(s)
- Chakkumkal Anish
- Product Development Cell, National Institute of Immunology, Aruna Asaf Ali Marg, New Delhi 110067, India
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87
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Shau SM, Chang CC, Lo CH, Chen YC, Juang TY, Dai SA, Lee RH, Jeng RJ. Organic/Metallic nanohybrids based on amphiphilic dumbbell-shaped dendrimers. ACS APPLIED MATERIALS & INTERFACES 2012; 4:1897-1908. [PMID: 22452447 DOI: 10.1021/am300499k] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
In this study, we synthesized a series of amphiphilic dumbbell-shaped dendrimers through the addition reactions of a hydrophilic poly(oxyalkylene) with hydrophobic dendrons based on 4-isocyanate-4'-(3,3-dimethyl-2,4-dioxo-azetidine)diphenylmethane with different numbers of branching generations. The addition reaction of azetidine-2,4-diones of dendrons to amines of poly(oxyalkylene) was proceeded by stirring the reactants in dry tetrahydrofuran (THF) under nitrogen at 60 °C. In aqueous media, the dumbbell-shaped dendrimers self-assembled into micelles with their hydrophobic dendrons in the core and their hydrophilic poly(oxyalkylene) segments forming loops in the corona shell. Employing the unique self-assembled micelle structures as templates for subsequent chemical reduction of the Ag(+) ions, we generated new types of organic/metallic [silver nanoparticle (AgNP)] nanohybrid clusters. The long poly(oxyalkylene) loops that extended into the aqueous phase complexed with the Ag(+) ions, providing the suspension with steric stabilization to prevent the AgNPs from collision and flocculation. After reduction, the AgNPs were present in a homogeneous distribution in the round dendrimer micelle-stabilized nanoclusters. The diameter of each AgNP was less than 10 nm; the diameter of each round nanocluster was in the range of 50-200 nm. The encapsulation efficiency of the AgNPs in micelles was about 54-69% for the dumbbell-shaped dendrimer based organic/AgNP nanohybrid.
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Affiliation(s)
- Shi-Min Shau
- Department of Chemical Engineering, National Chung Hsing University, Taichung 402, Taiwan
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88
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Reynolds M, Marradi M, Imberty A, Penadés S, Pérez S. Multivalent Gold Glycoclusters: High Affinity Molecular Recognition by Bacterial Lectin PA-IL. Chemistry 2012; 18:4264-73. [DOI: 10.1002/chem.201102034] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2011] [Indexed: 11/05/2022]
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89
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Gou Y, Slavin S, Geng J, Voorhaar L, Haddleton DM, Becer CR. Controlled Alternate Layer-by-Layer Assembly of Lectins and Glycopolymers Using QCM-D. ACS Macro Lett 2012; 1:180-183. [PMID: 35578475 DOI: 10.1021/mz200063r] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Layer-by-layer (LBL) assembly of concanavalin A (Con A), peanut agglutinin (PNA) plant lectins, and well-defined synthetic glycopolymers via their biological affinities have been prepared using a quartz crystal microbalance with dissipation monitoring (QCM-D). We demonstrate the use of mannose/galactose glycopolymers as lectin binders due to their selective binding to Con A/PNA, respectively. A detailed analysis of the adsorption processes and the adsorbed layer are provided and tuning the composition of multilayers using a series of well-defined glycopolymers differing only in the pendant sugar ratio is discussed.
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Affiliation(s)
- Yanzi Gou
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Stacy Slavin
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Jin Geng
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Lenny Voorhaar
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - David M. Haddleton
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - C. Remzi Becer
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom
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90
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Khandare J, Calderón M, Dagia NM, Haag R. Multifunctional dendritic polymers in nanomedicine: opportunities and challenges. Chem Soc Rev 2011; 41:2824-48. [PMID: 22158998 DOI: 10.1039/c1cs15242d] [Citation(s) in RCA: 319] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Nanotechnology has resulted in materials that have greatly improved the effectiveness of drug delivery because of their ability to control matter on the nanoscale. Advanced forms of nanomedicine have been synthesized for better pharmacokinetics to obtain higher efficacy, less systemic toxicity, and better targeting. These criteria have long been the goal in nanomedicine, in particular, for systemic applications in oncological disorders. Now, the "holy grail" in nanomedicine is to design and synthesize new advanced macromolecular nanocarriers and to translate them from lab to clinic. This review describes the current and future perspectives of nanomedicine with particular emphasis on the clinical targets in cancer and inflammation. The advanced forms of liposomes and polyethylene glycol (PEG) based nanocarriers, as well as dendritic polymer conjugates will be discussed with particular attention paid to designs, synthetic strategies, and chemical pathways. In this critical review, we also report on the current status and perspective of dendritic polymer nanoconjugate platforms (e.g. polyamidoamine dendrimers and dendritic polyglycerols) for cellular localization and targeting of specific tissues (192 references).
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Affiliation(s)
- Jayant Khandare
- Piramal Life Sciences Ltd, 1 Nirlon Complex, Off Western Express Highway, Goregaon (E), Mumbai-400063, India
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