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Žigrayová D, Mikušová V, Mikuš P. Advances in Antiviral Delivery Systems and Chitosan-Based Polymeric and Nanoparticulate Antivirals and Antiviral Carriers. Viruses 2023; 15:v15030647. [PMID: 36992356 PMCID: PMC10054433 DOI: 10.3390/v15030647] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 02/24/2023] [Accepted: 02/25/2023] [Indexed: 03/06/2023] Open
Abstract
Current antiviral therapy research is focused on developing dosage forms that enable highly effective drug delivery, providing a selective effect in the organism, lower risk of adverse effects, a lower dose of active pharmaceutical ingredients, and minimal toxicity. In this article, antiviral drugs and the mechanisms of their action are summarized at the beginning as a prerequisite background to develop relevant drug delivery/carrier systems for them, classified and briefly discussed subsequently. Many of the recent studies aim at different types of synthetic, semisynthetic, and natural polymers serving as a favorable matrix for the antiviral drug carrier. Besides a wider view of different antiviral delivery systems, this review focuses on advances in antiviral drug delivery systems based on chitosan (CS) and derivatized CS carriers. CS and its derivatives are evaluated concerning methods of their preparation, their basic characteristics and properties, approaches to the incorporation of an antiviral drug in the CS polymer as well as CS nanoparticulate systems, and their recent biomedical applications in the context of actual antiviral therapy. The degree of development (i.e., research study, in vitro/ex vivo/in vivo preclinical testing), as well as benefits and limitations of CS polymer and CS nanoparticulate drug delivery systems, are reported for particular viral diseases and corresponding antivirotics.
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Affiliation(s)
- Dominika Žigrayová
- Department of Galenic Pharmacy, Faculty of Pharmacy, Comenius University Bratislava, Odbojárov 10, 83232 Bratislava, Slovakia
| | - Veronika Mikušová
- Department of Galenic Pharmacy, Faculty of Pharmacy, Comenius University Bratislava, Odbojárov 10, 83232 Bratislava, Slovakia
| | - Peter Mikuš
- Department of Pharmaceutical Analysis and Nuclear Pharmacy, Faculty of Pharmacy, Comenius University Bratislava, Odbojárov 10, 83232 Bratislava, Slovakia
- Toxicological and Antidoping Center, Faculty of Pharmacy, Comenius University Bratislava, Odbojárov 10, 83232 Bratislava, Slovakia
- Correspondence:
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Preparation of glycopolymers having sialyl α2 → 3 lactose moieties as the potent inhibitors for mumps virus. Bioorg Med Chem Lett 2021; 52:128389. [PMID: 34600036 DOI: 10.1016/j.bmcl.2021.128389] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 09/22/2021] [Accepted: 09/25/2021] [Indexed: 12/16/2022]
Abstract
A water-soluble glycomonomer having a sialyl α2 → 3 lactose (SLac) moiety was prepared from a known imidate derivative of the SLac and an acrylamide alcohol by means of Schmidt's protocol followed by transesterification. Polymerization of the monomer proceeded in water as the solvent in the presence of ammonium persulfate (APS)-tetramethylethylenediamine (TEMED). Since acryl amide (AAm) was used as a regulator for the arrangement of sugar density, three kinds of glycopolymers having different sugar densities were obtained. Infection inhibition assays of mumps virus (MuV) for Vero cells using the glycopolymers were performed, and the results showed that a glycopolymer having a low sugar density has the highest inhibitory potency. In comparison to sialyl Lewis X (SLeX) as the strongest inhibitor in a previous study, SLac polymer with the low sugar density showed ten-times stronger inhibitory potency than that of SLex. This finding suggested that multivalent conversion of the monomeric SLac with appropriate spatial arrangement are able to effectively inhibit the interaction between the attachment glycoprotein of MuV and glycan receptors on Vero cells.
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Role of sialylated glycans on bovine lactoferrin against influenza virus. Glycoconj J 2021; 38:689-696. [PMID: 34779975 PMCID: PMC8590968 DOI: 10.1007/s10719-021-10029-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 10/08/2021] [Accepted: 10/29/2021] [Indexed: 11/09/2022]
Abstract
Influenza is a worldwide plague caused by the influenza virus (IAV) infection, which is initiated by specific recognition with sialic acids on host cell surface. Bovine lactoferrin (bLf) is a sialoglycoprotein belonging to the transferrin family, and it plays an important role in immune regulation. It also shows toxicity against cancer cells and pathogenic microorganisms including bacteria, fungi, and virus. The purpose of this study is to assess the roles of the sialylated glycans on bLf against IAV. To this end, bLf were first treated with sodium periodate to destroy its sialylated glycans. Then, the binding activity of native or desialylated bLf with various IAV was assessed by blotting assay. Finally, their ability to inhibit IAV attachment to host cells was analyzed in vitro. Our result showed that the sialylated glycans on bLf were almost completely destroyed by sodium periodate treatment. Furthermore, the binding activity of desialylated bLf to IAV and the ability to inhibit IAV mimics binding to MDCK cells were significantly reduced compared to that of native bLf. These results demonstrated that the sialylated glycans on bLf could serve as competitive substrates to block IAV attachment to host cells during the early stages of viral infection. Our findings make an important contribute for the fully understanding of the mechanism of bLf in the prevention of IAV infections and their possible applications in antiviral infection.
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Bizzarri BM, Fanelli A, Botta L, Zippilli C, Cesarini S, Saladino R. Dendrimeric Structures in the Synthesis of Fine Chemicals. MATERIALS (BASEL, SWITZERLAND) 2021; 14:5318. [PMID: 34576547 PMCID: PMC8471025 DOI: 10.3390/ma14185318] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/30/2021] [Accepted: 09/09/2021] [Indexed: 12/13/2022]
Abstract
Dendrimers are highly branched structures with a defined shape, dimension, and molecular weight. They consist of three major components: the central core, branches, and terminal groups. In recent years, dendrimers have received great attention in medicinal chemistry, diagnostic field, science of materials, electrochemistry, and catalysis. In addition, they are largely applied for the functionalization of biocompatible semiconductors, in gene transfection processes, as well as in the preparation of nano-devices, including heterogeneous catalysts. Here, we describe recent advances in the design and application of dendrimers in catalytic organic and inorganic processes, sustainable and low environmental impact, photosensitive materials, nano-delivery systems, and antiviral agents' dendrimers.
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Affiliation(s)
- Bruno Mattia Bizzarri
- Biological and Ecological Sciences Department (DEB), University of Tuscia, 01100 Viterbo, Italy; (A.F.); (L.B.); (C.Z.); (S.C.)
| | | | | | | | | | - Raffaele Saladino
- Biological and Ecological Sciences Department (DEB), University of Tuscia, 01100 Viterbo, Italy; (A.F.); (L.B.); (C.Z.); (S.C.)
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Kandeel M, Al‐Taher A, Park BK, Kwon H, Al‐Nazawi M. A pilot study of the antiviral activity of anionic and cationic polyamidoamine dendrimers against the Middle East respiratory syndrome coronavirus. J Med Virol 2020; 92:1665-1670. [PMID: 32330296 PMCID: PMC7264540 DOI: 10.1002/jmv.25928] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 04/22/2020] [Indexed: 12/14/2022]
Abstract
The Middle East respiratory syndrome coronavirus (MERS-CoV) is an emerging virus that causes infection with a potentially fatal outcome. Dendrimers are highly branched molecules that can be added to antiviral preparations to improve their delivery, as well as their intrinsic antiviral activity. Studies on identifying anti-MERS-CoV agents are few. Three types of polyanionic dendrimers comprising the terminal groups sodium carboxylate (generations 1.5, 2.5, 3.5, and 4.5), hydroxyl (generations 2, 3, 4, and 5), and succinamic acid (generations 2, 3, 4, and 5) and polycationic dendrimers containing primary amine (generations 2, 3, 4, and 5) were used to assess their antiviral activity with the MERS-CoV plaque inhibition assay. The hydroxyl polyanionic set showed a 17.36% to 29.75% decrease in MERS-CoV plaque formation. The most potent inhibition of MERS-CoV plaque formation was seen by G(1.5)-16COONa (40.5% inhibition), followed by G(5)-128SA (39.77% inhibition). In contrast, the cationic dendrimers were cytotoxic to Vero cells. Polyanionic dendrimers can be added to antiviral preparations to improve the delivery of antivirals, as well as the intrinsic antiviral activity.
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Affiliation(s)
- Mahmoud Kandeel
- Department of Biomedical Sciences, College of Veterinary MedicineKing Faisal UniversityAl‐AhsaSaudi Arabia
- Department of Pharmacology, Faculty of Veterinary MedicineKafrelsheikh UniversityKafrelsheikhEgypt
| | - Abdulla Al‐Taher
- Department of Biomedical Sciences, College of Veterinary MedicineKing Faisal UniversityAl‐AhsaSaudi Arabia
| | - Byoung Kwon Park
- Department of MicrobiologyHallym University College of MedicineChuncheonSouth Korea
| | - Hyung‐Joo Kwon
- Department of MicrobiologyHallym University College of MedicineChuncheonSouth Korea
| | - Mohammed Al‐Nazawi
- Department of Biomedical Sciences, College of Veterinary MedicineKing Faisal UniversityAl‐AhsaSaudi Arabia
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Skwarecki AS, Milewski S, Schielmann M, Milewska MJ. Antimicrobial molecular nanocarrier–drug conjugates. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2016; 12:2215-2240. [DOI: 10.1016/j.nano.2016.06.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Revised: 05/17/2016] [Accepted: 06/06/2016] [Indexed: 01/07/2023]
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Appelhans D, Klajnert-Maculewicz B, Janaszewska A, Lazniewska J, Voit B. Dendritic glycopolymers based on dendritic polyamine scaffolds: view on their synthetic approaches, characteristics and potential for biomedical applications. Chem Soc Rev 2015; 44:3968-96. [DOI: 10.1039/c4cs00339j] [Citation(s) in RCA: 107] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The potential of dendritic glycopolymers based on dendritic polyamine scaffolds for biomedical applications is presented and compared with that of the structurally related anti-adhesive dendritic glycoconjugates.
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Affiliation(s)
- Dietmar Appelhans
- Leibniz-Institut für Polymerforschung Dresden e.V
- 01069 Dresden
- Germany
| | - Barbara Klajnert-Maculewicz
- Department of General Biophysics
- Faculty of Biology and Environmental Protection
- University of Lodz
- 90-236 Lodz
- Poland
| | - Anna Janaszewska
- Department of General Biophysics
- Faculty of Biology and Environmental Protection
- University of Lodz
- 90-236 Lodz
- Poland
| | - Joanna Lazniewska
- Department of General Biophysics
- Faculty of Biology and Environmental Protection
- University of Lodz
- 90-236 Lodz
- Poland
| | - Brigitte Voit
- Leibniz-Institut für Polymerforschung Dresden e.V
- 01069 Dresden
- Germany
- Organic Chemistry of Polymers
- Technische Universität Dresden
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Hatano K, Matsubara T, Muramatsu Y, Ezure M, Koyama T, Matsuoka K, Kuriyama R, Kori H, Sato T. Synthesis and influenza virus inhibitory activities of carbosilane dendrimers peripherally functionalized with hemagglutinin-binding Peptide. J Med Chem 2014; 57:8332-9. [PMID: 25249262 DOI: 10.1021/jm5007676] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A series of carbosilane dendrimers uniformly functionalized with hemagglutinin (HA) binding peptide (sialic acid-mimic peptide, Ala-Arg-Leu-Pro-Arg) was systematically synthesized, and their anti-influenza virus activity was evaluated. The carbosilane-based peptide dendrimers, unlike sialylated dendrimers, cannot be digested by virus neuraminidases. The peptide dendrimers exhibited intriguing biological activities depending on the form of their core frame, with a dumbbell-type peptide dendrimer showing particularly strong inhibitory activities against two human influenza viruses, A/PR/8/34 (H1N1) and A/Aichi/2/68 (H3N2). The IC50 values of the dumbbell-type peptide dendrimer for both strains were 0.60 μM, the highest activity among the HA-binding peptide derivatives. The results suggest that a dumbbell-shaped carbosilane dendrimer is the most suitable core scaffold for HA-binding peptide dendrimers.
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Affiliation(s)
- Ken Hatano
- Division of Materials Science, Graduate School of Science and Technology, Saitama University , 255 Shimo-Ohkubo, Sakura-ku, Saitama 338-8570, Japan
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Haasbach E, Hartmayer C, Hettler A, Sarnecka A, Wulle U, Ehrhardt C, Ludwig S, Planz O. Antiviral activity of Ladania067, an extract from wild black currant leaves against influenza A virus in vitro and in vivo. Front Microbiol 2014; 5:171. [PMID: 24795704 PMCID: PMC4001074 DOI: 10.3389/fmicb.2014.00171] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2013] [Accepted: 03/28/2014] [Indexed: 01/31/2023] Open
Abstract
Influenza, a respiratory disease caused by influenza viruses, still represents a major threat to humans and several animal species. Besides vaccination, only two classes of drugs are available for antiviral treatment against this pathogen. Thus, there is a strong need for new effective antivirals against influenza viruses. Here, we tested Ladania067, an extract from the leaves of the wild black currant (Ribes nigrum folium) for potential antiviral activity against influenza A virus in vitro and in vivo. In the range of 0-1 mg/ml the extract showed no cytotoxic effect on three cell lines and a CC50 of 0.5 ± 0.3 mg/ml, on peripheral blood mononuclear cells. Furthermore, the extract did not influence the proliferative status of human lymphocytes. In contrast, Ladania067 was highly effective (EC50 value: 49.3 ± 1.1 ng/ml) against the human pandemic influenza virus strain A/Regensburg/D6/09 (H1N1). The extract exhibited an antiviral effect when the virus was pre-incubated prior to infection or when added directly after infection. No antiviral effect was found when infected cells were treated 2, 4, or 8 h after infection, indicating that Ladania067 blocks a very early step in the virus infection cycle. In the mouse infection model we were able to demonstrate that an intranasal application of 500 μg Ladania067 inhibits progeny virus titers in the lung up to 85% after 24 h. We conclude that the extract from the leaves of the wild black currant may be a promising source for the identification of new molecules with antiviral functions against influenza virus.
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Affiliation(s)
- Emanuel Haasbach
- Department of Immunology, Interfaculty Institute for Cell Biology, Eberhard Karls University of Tuebingen Tuebingen, Germany
| | - Carmen Hartmayer
- Department of Immunology, Interfaculty Institute for Cell Biology, Eberhard Karls University of Tuebingen Tuebingen, Germany
| | - Alice Hettler
- Department of Immunology, Interfaculty Institute for Cell Biology, Eberhard Karls University of Tuebingen Tuebingen, Germany
| | - Alicja Sarnecka
- Department of Immunology, Interfaculty Institute for Cell Biology, Eberhard Karls University of Tuebingen Tuebingen, Germany
| | - Ulrich Wulle
- Department of Immunology, Interfaculty Institute for Cell Biology, Eberhard Karls University of Tuebingen Tuebingen, Germany
| | - Christina Ehrhardt
- Institute of Molecular Virology, Center for Molecular Biology of Inflammation, University of Muenster Muenster, Germany
| | - Stephan Ludwig
- Institute of Molecular Virology, Center for Molecular Biology of Inflammation, University of Muenster Muenster, Germany
| | - Oliver Planz
- Department of Immunology, Interfaculty Institute for Cell Biology, Eberhard Karls University of Tuebingen Tuebingen, Germany
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Fuentes-Paniagua E, Peña-González CE, Galán M, Gómez R, de la Mata FJ, Sánchez-Nieves J. Thiol-Ene Synthesis of Cationic Carbosilane Dendrons: a New Family of Synthons. Organometallics 2013. [DOI: 10.1021/om301217g] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Elena Fuentes-Paniagua
- Departamento de Quı́mica Orgánica
y Quı́mica
Inorgánica and ‡Networking Research Center for Bioengineering,
Biomaterials and Nanomedicine (CIBER-BBN), Universidad de Alcalá, Campus Universitario,
E-28871 Alcalá de Henares (Madrid), Spain
| | - Cornelia E. Peña-González
- Departamento de Quı́mica Orgánica
y Quı́mica
Inorgánica and ‡Networking Research Center for Bioengineering,
Biomaterials and Nanomedicine (CIBER-BBN), Universidad de Alcalá, Campus Universitario,
E-28871 Alcalá de Henares (Madrid), Spain
| | - Marta Galán
- Departamento de Quı́mica Orgánica
y Quı́mica
Inorgánica and ‡Networking Research Center for Bioengineering,
Biomaterials and Nanomedicine (CIBER-BBN), Universidad de Alcalá, Campus Universitario,
E-28871 Alcalá de Henares (Madrid), Spain
| | - Rafael Gómez
- Departamento de Quı́mica Orgánica
y Quı́mica
Inorgánica and ‡Networking Research Center for Bioengineering,
Biomaterials and Nanomedicine (CIBER-BBN), Universidad de Alcalá, Campus Universitario,
E-28871 Alcalá de Henares (Madrid), Spain
| | - F. Javier de la Mata
- Departamento de Quı́mica Orgánica
y Quı́mica
Inorgánica and ‡Networking Research Center for Bioengineering,
Biomaterials and Nanomedicine (CIBER-BBN), Universidad de Alcalá, Campus Universitario,
E-28871 Alcalá de Henares (Madrid), Spain
| | - Javier Sánchez-Nieves
- Departamento de Quı́mica Orgánica
y Quı́mica
Inorgánica and ‡Networking Research Center for Bioengineering,
Biomaterials and Nanomedicine (CIBER-BBN), Universidad de Alcalá, Campus Universitario,
E-28871 Alcalá de Henares (Madrid), Spain
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Sánchez-Nieves J, Perisé-Barrios AJ, Ortega P, Corbí ÁL, Domínguez-Soto Á, Muñoz-Fernández MÁ, Gómez R, Javier de la Mata F. Study of cationic carbosilane dendrimers as potential activating stimuli in macrophages. RSC Adv 2013. [DOI: 10.1039/c3ra43338b] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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Lazniewska J, Milowska K, Gabryelak T. Dendrimers--revolutionary drugs for infectious diseases. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2012; 4:469-91. [PMID: 22761054 DOI: 10.1002/wnan.1181] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Over recent years innovative nanomolecules in a form of dendrimers have been gaining increasing interest. These compounds can be designed and modified in many ways giving a molecule which meets required expectations. For this reason dendrimers are the object of intensive studies in many fields of nanoscience including one of the most thriving--biomedicine. Numerous studies provide evidence that some dendrimers exhibit activities against many species/strains of viruses, bacteria, fungi, and prions. These types of dendritic nanostructures which are distinguished by antipathogenic properties and low cytotoxicity to eukaryotic cells may be potentially applied in medicine as novel drugs for various infectious diseases, especially those which are persistent, marked by high mortality rate, or untreatable. Dendrimers can exert their effect via different mechanisms of action, which are, in most cases, related to multivalency of the nanomolecule. The application of dendrimers is likely to be a breakthrough in prevention and treatment of infectious diseases which still beset humanity and may significantly improve the quality of people's life.
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: an update for 2007-2008. MASS SPECTROMETRY REVIEWS 2012; 31:183-311. [PMID: 21850673 DOI: 10.1002/mas.20333] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2010] [Revised: 01/04/2011] [Accepted: 01/04/2011] [Indexed: 05/31/2023]
Abstract
This review is the fifth update of the original review, published in 1999, on the application of MALDI mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2008. The first section of the review covers fundamental studies, fragmentation of carbohydrate ions, use of derivatives and new software developments for analysis of carbohydrate spectra. Among newer areas of method development are glycan arrays, MALDI imaging and the use of ion mobility spectrometry. The second section of the review discusses applications of MALDI MS to the analysis of different types of carbohydrate. Specific compound classes that are covered include carbohydrate polymers from plants, N- and O-linked glycans from glycoproteins, biopharmaceuticals, glycated proteins, glycolipids, glycosides and various other natural products. There is a short section on the use of MALDI mass spectrometry for the study of enzymes involved in glycan processing and a section on the use of MALDI MS to monitor products of the chemical synthesis of carbohydrates with emphasis on carbohydrate-protein complexes and glycodendrimers. Corresponding analyses by electrospray ionization now appear to outnumber those performed by MALDI and the amount of literature makes a comprehensive review on this technique impractical. However, most of the work relating to sample preparation and glycan synthesis is equally relevant to electrospray and, consequently, those proposing analyses by electrospray should also find material in this review of interest.
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Affiliation(s)
- David J Harvey
- Oxford Glycobiology Institute, Department of Biochemistry, University of Oxford, Oxford OX1 3QU, UK.
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Synthesis and biological evaluation of sialic acid derivatives containing a long hydrophobic chain at the anomeric position and their C-5 linked polymers as potent influenza virus inhibitors. Bioorg Med Chem 2012; 20:446-54. [DOI: 10.1016/j.bmc.2011.10.064] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2011] [Revised: 10/21/2011] [Accepted: 10/21/2011] [Indexed: 11/18/2022]
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Affiliation(s)
- George R. Newkome
- Departments of Polymer Science and Chemistry, University of Akron, Akron, Ohio 44325-4717, and Department of Chemistry, Hiram College, Hiram, Ohio 44234
| | - Carol Shreiner
- Departments of Polymer Science and Chemistry, University of Akron, Akron, Ohio 44325-4717, and Department of Chemistry, Hiram College, Hiram, Ohio 44234
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Aizawa H, Hatano K, Saeki H, Honsho N, Koyama T, Matsuoka K, Terunuma D. Analytical investigations of the behavior of silole-core dendrimers with peripheral globotriaose in water and acetone/water mixed solvent. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.01.041] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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18
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Synthesis of poly(aspartimide)-based bio-glycoconjugates. Carbohydr Res 2010; 345:33-40. [DOI: 10.1016/j.carres.2009.08.034] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2009] [Revised: 08/21/2009] [Accepted: 08/25/2009] [Indexed: 11/20/2022]
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Abstract
From the authors' opinion, this chapter constitutes a modest extension of the seminal and inspiring contribution of Stowell and Lee on neoglycoconjugates published in this series [C. P. Stowell and Y. C. Lee, Adv. Carbohydr. Chem. Biochem., 37 (1980) 225-281]. The outstanding progresses achieved since then in the field of the "glycoside cluster effect" has witnessed considerable creativity in the design and synthetic strategies toward a vast array of novel carbohydrate structures and reflects the dynamic activity in the field even since the recent chapter by the Nicotra group in this series [F. Nicotra, L. Cipolla, F. Peri, B. La Ferla, and C. Radaelli, Adv. Carbohydr. Chem. Biochem., 61 (2007) 353-398]. Beyond the more classical neoglycoproteins and glycopolymers (not covered in this work) a wide range of unprecedented and often artistically beautiful multivalent and monodisperse nanostructures, termed glycodendrimers for the first time in 1993, has been created. This chapter briefly surveys the concept of multivalency involved in carbohydrate-protein interactions. The topic is also discussed in regard to recent steps undertaken in glycobiology toward identification of lead candidates using microarrays and modern analytical tools. A systematic description of glycocluster and glycodendrimer synthesis follows, starting from the simplest architectures and ending in the most complex ones. Presentation of multivalent glycostructures of intermediate size and comprising, calix[n]arene, porphyrin, cyclodextrin, peptide, and carbohydrate scaffolds, has also been intercalated to better appreciate the growing synthetic complexity involved. A subsection describing novel all-carbon-based glycoconjugates such as fullerenes and carbon nanotubes is inserted, followed by a promising strategy involving dendrons self-assembling around metal chelates. The chapter then ends with those glycodendrimers that have been prepared using commercially available dendrimers possessing varied functionalities, or systematically synthesized using either divergent or convergent strategies.
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Suzuki K, Sakamoto JI, Koyama T, Yingsakmongkon S, Suzuki Y, Hatano K, Terunuma D, Matsuoka K. Synthesis of sialic acid derivatives having a CC double bond substituted at the C-5 position and their glycopolymers. Bioorg Med Chem Lett 2009; 19:5105-8. [DOI: 10.1016/j.bmcl.2009.07.034] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2009] [Revised: 06/30/2009] [Accepted: 07/02/2009] [Indexed: 10/20/2022]
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Oka H, Onaga T, Koyama T, Guo CT, Suzuki Y, Esumi Y, Hatano K, Terunuma D, Matsuoka K. Syntheses and biological evaluations of carbosilane dendrimers uniformly functionalized with sialyl α(2→3) lactose moieties as inhibitors for human influenza viruses. Bioorg Med Chem 2009; 17:5465-75. [DOI: 10.1016/j.bmc.2009.06.035] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2009] [Revised: 06/17/2009] [Accepted: 06/18/2009] [Indexed: 11/16/2022]
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Ogata M, Hidari KIPJ, Kozaki W, Murata T, Hiratake J, Park EY, Suzuki T, Usui T. Molecular design of spacer-N-linked sialoglycopolypeptide as polymeric inhibitors against influenza virus infection. Biomacromolecules 2009; 10:1894-903. [PMID: 19438195 DOI: 10.1021/bm900300j] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A series of spacer-N-linked glycopolymers carrying long/short α2,3/6 sialylated glycan were designed as polymeric inhibitors of influenza virus. Lactose (Lac) and N-acetyllactosamine (LN: Galβ1,4GlcNAc) were first converted to spacer-N-linked disaccharide glycosides, followed by consecutive enzymatic addition of GlcNAc and Gal residues to the glycosides. The resulting spacer-N-linked glycosides with di-, tetra-, and hexasaccharides carrying a Lac, LN, lacto-N-neotetraose (LNnT: Galβ1,4GlcNAcβ1,3Galβ1,4Glc), and LNβ1,3LNnT were coupled to the carboxy group of γ-polyglutamic acid (γ-PGA) and enzymatically converted to glycopolypeptides carrying α2,3/6 sialylated glycans. The interactions of a series of sialoglycopolypeptides with avian and human influenza virus strains were investigated using a hemagglutination inhibition assay. The avian virus A/Duck/HongKong/313/4/78 (H5N3) bound specifically, regardless of the structure of the asialo portion. In contrast, human virus A/Aichi/2/68 (H3N2) bound preferentially to long α2,6sialylated glycans with penta- or heptasaccharides in a glycan length-dependent manner. Furthermore, the Sambucus sieboldiana (SNA) lectin was also useful as a model of human virus hemagglutinin (HA) for understanding the carbohydrate binding properties, because the recognition motifs of the inner sugar in the receptor were very similar.
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Affiliation(s)
- Makoto Ogata
- Department of Bioscience, Graduate School of Science and Technology, Shizuoka University, Ohya 836, Suruga ward, Shizuoka 422-8529, Japan
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Sakamoto JI, Koyama T, Miyamoto D, Yingsakmongkon S, Hidari KIPJ, Jampangern W, Suzuki T, Suzuki Y, Esumi Y, Nakamura T, Hatano K, Terunuma D, Matsuoka K. Systematic syntheses of influenza neuraminidase inhibitors: a series of carbosilane dendrimers uniformly functionalized with thioglycoside-type sialic acid moieties. Bioorg Med Chem 2009; 17:5451-64. [PMID: 19592257 DOI: 10.1016/j.bmc.2009.06.036] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2009] [Revised: 06/17/2009] [Accepted: 06/18/2009] [Indexed: 10/20/2022]
Abstract
In order to develop novel influenza sialidase inhibitors, we constructed a library of glycoclusters composed of twelve types of sialylated dendrimers with thioglycosidic linkage that are resistant to hydrolysis by the sialidases. These sialodendrimers were synthesized by condensation reaction between a thiosialoside modified on the aglycon terminal end by a thioacetyl group and twelve types of carbosilane dendrimers having brominated terminal ends under deacetylation conditions, and temporal re-protection was performed for purification. Removal of all protection of the glycodendrimers was accomplished by transesterification and subsequent saponification to provide corresponding water-soluble glycodendrimers in good yields. For investigation of the structure-activity relationship, dendrimer scaffolds having differences in number of the sugar moieties, such as 3-, 4-, 6- and 12-functionalized dendrimers, and in linkage patterns, such as normal aliphatic linkage, ether- and amide-linkages. Biological evaluations of these glycodendrimers showed that all of the ether- and amide-elongated compounds had inhibitory potencies for the influenza sialidases in the mM range, while compounds having normal aliphatic linkage did not have any activities except for a 12-functionalized compound.
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Affiliation(s)
- Jun-ichi Sakamoto
- Division of Material Science, Graduate School of Science and Engineering, Saitama University, Sakura, Saitama 338-8570, Japan
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Carlescu I, Scutaru D, Popa M, Uglea CV. Synthetic sialic-acid-containing polyvalent antiviral inhibitors. Med Chem Res 2008. [DOI: 10.1007/s00044-008-9139-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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