1
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Flood R, Cerofolini L, Fragai M, Crowley PB. Multivalent Calixarene Complexation of a Designed Pentameric Lectin. Biomacromolecules 2024; 25:1303-1309. [PMID: 38227741 PMCID: PMC10865345 DOI: 10.1021/acs.biomac.3c01280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 12/20/2023] [Accepted: 12/20/2023] [Indexed: 01/18/2024]
Abstract
We describe complex formation between a designed pentameric β-propeller and the anionic macrocycle sulfonato-calix[8]arene (sclx8), as characterized by X-ray crystallography and NMR spectroscopy. Two crystal structures and 15N HSQC experiments reveal a single calixarene binding site in the concave pocket of the β-propeller toroid. Despite the symmetry mismatch between the pentameric protein and the octameric macrocycle, they form a high affinity multivalent complex, with the largest protein-calixarene interface observed to date. This system provides a platform for investigating multivalency.
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Affiliation(s)
- Ronan
J. Flood
- SSPC,
Science Foundation Ireland Research Centre for Pharmaceuticals, School
of Biological and Chemical Sciences, University
of Galway, University
Road, Galway H91 TK33, Ireland
| | - Linda Cerofolini
- Magnetic
Resonance Center (CERM), University of Florence, Via L. Sacconi 6, 50019 Sesto, Fiorentino, Italy
- Consorzio
Interuniversitario Risonanze Magnetiche di Metalloproteine (CIRMMP), Via L. Sacconi 6, 50019 Sesto, Fiorentino, Italy
- Department
of Chemistry “Ugo Schiff”, University of Florence, Via della Lastruccia 3, 50019 Sesto, Fiorentino, Italy
| | - Marco Fragai
- Magnetic
Resonance Center (CERM), University of Florence, Via L. Sacconi 6, 50019 Sesto, Fiorentino, Italy
- Consorzio
Interuniversitario Risonanze Magnetiche di Metalloproteine (CIRMMP), Via L. Sacconi 6, 50019 Sesto, Fiorentino, Italy
- Department
of Chemistry “Ugo Schiff”, University of Florence, Via della Lastruccia 3, 50019 Sesto, Fiorentino, Italy
| | - Peter B. Crowley
- SSPC,
Science Foundation Ireland Research Centre for Pharmaceuticals, School
of Biological and Chemical Sciences, University
of Galway, University
Road, Galway H91 TK33, Ireland
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2
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Álvarez-Yebra R, Sors-Vendrell A, Lledó A. Intermolecular hydrogen bonding in calix[5]arene derived cavitands regulates the molecular recognition of fullerenes. Chem Commun (Camb) 2023; 59:11556-11559. [PMID: 37681250 DOI: 10.1039/d3cc03780k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Abstract
We present a readily available calix[5]arene derived cavitand receptor that is stabilized in the closed cone conformer through intermolecular hydrogen bonding with methanol molecules. The receptor features a highly spherical aromatic surface that binds C60 and C70 fullerenes effectively, and the binding event can be regulated allosterically by the addition of methanol.
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Affiliation(s)
- Rubén Álvarez-Yebra
- Institut de Química Computacional i Catàlisi (IQCC), Universitat de Girona, Maria Aurèlia Capmany 69, 17003, Girona, Spain.
| | - Alba Sors-Vendrell
- Institut de Química Computacional i Catàlisi (IQCC), Universitat de Girona, Maria Aurèlia Capmany 69, 17003, Girona, Spain.
| | - Agustí Lledó
- Institut de Química Computacional i Catàlisi (IQCC), Universitat de Girona, Maria Aurèlia Capmany 69, 17003, Girona, Spain.
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3
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Palmioli A, Moretti L, Vezzoni CA, Legnani L, Sperandeo P, Baldini L, Sansone F, Airoldi C, Casnati A. Multivalent calix[4]arene-based mannosylated dendrons as new FimH ligands and inhibitors. Bioorg Chem 2023; 138:106613. [PMID: 37224739 DOI: 10.1016/j.bioorg.2023.106613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/05/2023] [Accepted: 05/11/2023] [Indexed: 05/26/2023]
Abstract
We report the synthesis and biological characterization of a novel class of multivalent glycoconjugates as hit compounds for the design of new antiadhesive therapies against urogenital tract infections (UTIs) caused by uropathogenic E. coli strains (UPEC). The first step of UTIs is the molecular recognition of high mannose N-glycan expressed on the surface of urothelial cells by the bacterial lectin FimH, allowing the pathogen adhesion required for mammalian cell invasion. The inhibition of FimH-mediated interactions is thus a validated strategy for the treatment of UTIs. To this purpose, we designed and synthesized d-mannose multivalent dendrons supported on a calixarene core introducing a significant structural change from a previously described family of dendrimers bearing the same dendrons units on a flexible pentaerythritol scaffold core. The new molecular architecture increased the inhibitory potency against FimH-mediated adhesion processes by about 16 times, as assessed by yeast agglutination assay. Moreover, the direct molecular interaction of the new compounds with FimH protein was assessed by on-cell NMR experiments acquired in the presence of UPEC cells.
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Affiliation(s)
- Alessandro Palmioli
- BioOrg NMR Lab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.zza della Scienza, 2, 20126 Milan, Italy
| | - Luca Moretti
- BioOrg NMR Lab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.zza della Scienza, 2, 20126 Milan, Italy
| | - Carlo Alberto Vezzoni
- Department of Chemistry, Life Sciences and Environmental Sustainability, Parco Area delle Scienze 17/a, 43124 Parma, Italy
| | - Laura Legnani
- BioOrg NMR Lab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.zza della Scienza, 2, 20126 Milan, Italy
| | - Paola Sperandeo
- Department of Pharmacological and Biomolecular Sciences, University of Milano, Via Balzaretti, 9/11/13, 20133 Milano, Italy
| | - Laura Baldini
- Department of Chemistry, Life Sciences and Environmental Sustainability, Parco Area delle Scienze 17/a, 43124 Parma, Italy
| | - Francesco Sansone
- Department of Chemistry, Life Sciences and Environmental Sustainability, Parco Area delle Scienze 17/a, 43124 Parma, Italy
| | - Cristina Airoldi
- BioOrg NMR Lab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.zza della Scienza, 2, 20126 Milan, Italy.
| | - Alessandro Casnati
- Department of Chemistry, Life Sciences and Environmental Sustainability, Parco Area delle Scienze 17/a, 43124 Parma, Italy.
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4
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Volpi S, Doolan A, Baldini L, Casnati A, Crowley PB, Sansone F. Complex Formation between Cytochrome c and a Tetra-alanino-calix[4]arene. Int J Mol Sci 2022; 23:ijms232315391. [PMID: 36499717 PMCID: PMC9737847 DOI: 10.3390/ijms232315391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
Owing to their remarkable features, calix[n]arenes are being exploited to study different aspects of molecular recognition, including protein complexation. Different complexation modes have been described, depending on the moieties that complement the aromatic cavity, allowing for function regulation and/or controlled assembly of the protein target. Here, a rigid cone calix[4]arene, bearing four anionic alanine units at the upper rim, was tested as a ligand for cytochrome c. Cocrystallization attempts were unfruitful, preventing a solid-state study of the system. Next, the complex was studied using NMR spectroscopy, which revealed the presence of two binding sites at lysine residues with dissociation constants (Kd) in the millimolar range.
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Affiliation(s)
- Stefano Volpi
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università degli Studi di Parma, Viale delle Scienze, 17/A, 43124 Parma, Italy
| | - Aishling Doolan
- School of Biological and Chemical Sciences, University of Galway, University Road, H91 TK33 Galway, Ireland
| | - Laura Baldini
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università degli Studi di Parma, Viale delle Scienze, 17/A, 43124 Parma, Italy
- Correspondence:
| | - Alessandro Casnati
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università degli Studi di Parma, Viale delle Scienze, 17/A, 43124 Parma, Italy
| | - Peter B. Crowley
- School of Biological and Chemical Sciences, University of Galway, University Road, H91 TK33 Galway, Ireland
| | - Francesco Sansone
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università degli Studi di Parma, Viale delle Scienze, 17/A, 43124 Parma, Italy
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5
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Sbravati D, Bonardi A, Bua S, Angeli A, Ferraroni M, Nocentini A, Casnati A, Gratteri P, Sansone F, Supuran CT. Calixarenes Incorporating Sulfonamide Moieties: Versatile Ligands for Carbonic Anhydrases Inhibition. Chemistry 2021; 28:e202103527. [PMID: 34882858 DOI: 10.1002/chem.202103527] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Indexed: 11/10/2022]
Abstract
Carbonic anhydrases (CAs) continue to represent a relevant pharmaceutical target. The need of selective inhibitors and the involvement of these metalloenzymes in many multifaceted diseases boost the search for new ligands able to distinguish among the different CA isoforms, and for multifunctional systems simultaneously able to inhibit CAs and to interfere with other pathological events by interacting with additional targets. In this work, we successfully explored the possibility of preparing new CAs ligands by combining calixarenes with benzensulfonamide units. Inhibition tests towards three human CA isoforms evidenced, for some of the ligands, Ki values in the nanomolar range and promising selectivity. X-ray and molecular modeling studies provided information on the mode of binding of these calixarene derivatives. Thanks to the encouraging results and the structural features typical of the calixarene scaffold, it is then possible to plan for the future the design of multifunctional inhibitors for this class of widely spread enzymes.
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Affiliation(s)
- Davide Sbravati
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 17/A, 43124, Parma, Italy
| | - Alessandro Bonardi
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Polo Scientifico, Via U. Schiff 6, 50019, Sesto Fiorentino, Firenze, Italy.,Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, Laboratory of Molecular Modeling Cheminformatics & QSAR, University of Florence, Polo Scientifico, Via U. Schiff 6, 50019, Sesto Fiorentino, Firenze, Italy
| | - Silvia Bua
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Polo Scientifico, Via U. Schiff 6, 50019, Sesto Fiorentino, Firenze, Italy
| | - Andrea Angeli
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Polo Scientifico, Via U. Schiff 6, 50019, Sesto Fiorentino, Firenze, Italy
| | - Marta Ferraroni
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, 50019, Sesto Fiorentino, Florence, Italy
| | - Alessio Nocentini
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Polo Scientifico, Via U. Schiff 6, 50019, Sesto Fiorentino, Firenze, Italy.,Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, Laboratory of Molecular Modeling Cheminformatics & QSAR, University of Florence, Polo Scientifico, Via U. Schiff 6, 50019, Sesto Fiorentino, Firenze, Italy
| | - Alessandro Casnati
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 17/A, 43124, Parma, Italy
| | - Paola Gratteri
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Polo Scientifico, Via U. Schiff 6, 50019, Sesto Fiorentino, Firenze, Italy.,Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, Laboratory of Molecular Modeling Cheminformatics & QSAR, University of Florence, Polo Scientifico, Via U. Schiff 6, 50019, Sesto Fiorentino, Firenze, Italy
| | - Francesco Sansone
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 17/A, 43124, Parma, Italy
| | - Claudiu T Supuran
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Polo Scientifico, Via U. Schiff 6, 50019, Sesto Fiorentino, Firenze, Italy
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6
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Badshah SL, Naeem A. Computational Simulation of Conjugated Cholera Toxin Protein. MOLECULAR GENETICS, MICROBIOLOGY AND VIROLOGY 2021. [DOI: 10.3103/s0891416821050049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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7
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Damalanka VC, Maddirala AR, Janetka JW. Novel approaches to glycomimetic design: development of small molecular weight lectin antagonists. Expert Opin Drug Discov 2021; 16:513-536. [PMID: 33337918 DOI: 10.1080/17460441.2021.1857721] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Introduction: The direct binding of carbohydrates or those presented on glycoproteins or glycolipids to proteins is the primary effector of many biological responses. One class of carbohydrate-binding proteins, lectins are important in all forms of life. Their functions in animals include regulating cell adhesion, glycoprotein synthesis, metabolism, and mediating immune system response while in bacteria and viruses a lectin-mediated carbohydrate-protein interaction between host cells and the pathogen initiates pathogenesis of the infection.Areas covered: In this review, the authors outline the structural and functional pathogenesis of lectins from bacteria, amoeba, and humans. Mimics of a carbohydrate are referred to as glycomimetics, which are much smaller in molecular weight and are devised to mimic the key binding interactions of the carbohydrate while also allowing additional contacts with the lectin. This article emphasizes the various approaches used over the past 10-15 years in the rational design of glycomimetic ligands.Expert opinion: Medicinal chemistry efforts enabled by X-ray structural biology have identified small-molecule glycomimetic lectin antagonists that have entered or are nearing clinical trials. A common theme in these strategies is the use of biaryl ring systems to emulate the carbohydrate interactions with the lectin.
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Affiliation(s)
- Vishnu C Damalanka
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis USA
| | - Amarendar Reddy Maddirala
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis USA
| | - James W Janetka
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis USA
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8
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Youn G, Cervin J, Yu X, Bhatia SR, Yrlid U, Sampson NS. Targeting Multiple Binding Sites on Cholera Toxin B with Glycomimetic Polymers Promotes the Formation of Protein-Polymer Aggregates. Biomacromolecules 2020; 21:4878-4887. [PMID: 32960582 DOI: 10.1021/acs.biomac.0c01122] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The canonical binding site on the B subunit of cholera toxin (CTB) binds to GM1 gangliosides on host cells. However, the recently discovered noncanonical binding site on CTB with affinity for fucosylated molecules has raised the possibility that both sites can be involved in initiating intoxication. Previously, we showed that blocking CTB binding to human and murine small intestine epithelial cells can be increased by simultaneously targeting both binding sites with multivalent norbornene-based glycopolymers [ACS Infect. Dis. 2020, 6, 5, 1192-1203]. However, the mechanistic origin of the increased blocking efficacy was unclear. Herein, we observed that mixing CTB pentamers and glycopolymers that display fucose and galactose sugars results in the formation of large aggregates, which further inhibits binding of CTB to human granulocytes. Dynamic light scattering analysis, small-angle X-ray scattering analysis, transmission electron microscopy, and turbidimetric assays revealed that the facial directionality of CTB promotes interchain cross-linking, which in turn leads to self-assembly of protein-polymer networks. This cross-linking-induced self-assembly occurs only when the glycopolymer system contains both galactose and fucose. In an assay of the glycopolymer's ability to block CTB binding to human granulocytes, we observed a direct correlation between IC50 and self-assembly size. The aggregation mechanism of inhibition proposed herein has potential utility for the development of low-cost macromolecular clinical therapeutics for cholera that do not have exotic architectures and do not require complex synthetic sequences.
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Affiliation(s)
- Gyusaang Youn
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794-6500, United States
| | - Jakob Cervin
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, 405 30 Gothenburg, Sweden
| | - Xiaoxi Yu
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794-6500, United States
| | - Surita R Bhatia
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794-6500, United States
| | - Ulf Yrlid
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, 405 30 Gothenburg, Sweden
| | - Nicole S Sampson
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794-6500, United States
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9
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Baldini L, Casnati A, Sansone F. Multivalent and Multifunctional Calixarenes in Bionanotechnology. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000255] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Laura Baldini
- Department of Chemistry Life Sciences and Environmental Sustainability University of Parma Parco Area delle Scienze, 17/a 43124 Parma Italy
| | - Alessandro Casnati
- Department of Chemistry Life Sciences and Environmental Sustainability University of Parma Parco Area delle Scienze, 17/a 43124 Parma Italy
| | - Francesco Sansone
- Department of Chemistry Life Sciences and Environmental Sustainability University of Parma Parco Area delle Scienze, 17/a 43124 Parma Italy
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10
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Lozano D, Álvarez-Yebra R, López-Coll R, Lledó A. A flexible self-folding receptor for coronene. Chem Sci 2019; 10:10351-10355. [PMID: 32110323 PMCID: PMC6984329 DOI: 10.1039/c9sc03158h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 09/23/2019] [Indexed: 12/17/2022] Open
Abstract
We report a conformationally flexible deep cavitand receptor based on calix[5]arene and stabilized by a cooperative network of hydrogen bonds. The receptor binds coronene selectively over smaller polycyclic aromatic hydrocarbons, but is flexible enough to adapt to a smaller guest that presents a complementary electron deficient surface. The unique dynamic properties of this system have been thoroughly studied by NMR spectroscopy and molecular dynamics (MD) simulations.
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Affiliation(s)
- David Lozano
- Institut de Química Computacional i Catàlisi (IQCC) , Departament de Química , Universitat de Girona , c/Maria Aurèlia de Capmany 69 , 17003 Girona , Spain .
| | - Rubén Álvarez-Yebra
- Institut de Química Computacional i Catàlisi (IQCC) , Departament de Química , Universitat de Girona , c/Maria Aurèlia de Capmany 69 , 17003 Girona , Spain .
| | - Ricard López-Coll
- Institut de Química Computacional i Catàlisi (IQCC) , Departament de Química , Universitat de Girona , c/Maria Aurèlia de Capmany 69 , 17003 Girona , Spain .
| | - Agustí Lledó
- Institut de Química Computacional i Catàlisi (IQCC) , Departament de Química , Universitat de Girona , c/Maria Aurèlia de Capmany 69 , 17003 Girona , Spain .
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11
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Yamini G, Nestorovich EM. Multivalent Inhibitors of Channel-Forming Bacterial Toxins. Curr Top Microbiol Immunol 2019; 406:199-227. [PMID: 27469304 PMCID: PMC6814628 DOI: 10.1007/82_2016_20] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Rational design of multivalent molecules represents a remarkable modern tool to transform weak non-covalent interactions into strong binding by creating multiple finely-tuned points of contact between multivalent ligands and their supposed multivalent targets. Here, we describe several prominent examples where the multivalent blockers were investigated for their ability to directly obstruct oligomeric channel-forming bacterial exotoxins, such as the pore-forming bacterial toxins and B component of the binary bacterial toxins. We address problems related to the blocker/target symmetry match and nature of the functional groups, as well as chemistry and length of the linkers connecting the functional groups to their multivalent scaffolds. Using the anthrax toxin and AB5 toxin case studies, we briefly review how the oligomeric toxin components can be successfully disabled by the multivalent non-channel-blocking inhibitors, which are based on a variety of multivalent scaffolds.
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Affiliation(s)
- Goli Yamini
- Department of Biology, The Catholic University of America, Washington, D.C., 20064, USA
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12
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Lu W, Pieters RJ. Carbohydrate–protein interactions and multivalency: implications for the inhibition of influenza A virus infections. Expert Opin Drug Discov 2019; 14:387-395. [DOI: 10.1080/17460441.2019.1573813] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Wenjing Lu
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Roland J. Pieters
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
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13
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Haksar D, de Poel E, van Ufford LQ, Bhatia S, Haag R, Beekman J, Pieters RJ. Strong Inhibition of Cholera Toxin B Subunit by Affordable, Polymer-Based Multivalent Inhibitors. Bioconjug Chem 2019; 30:785-792. [PMID: 30629410 PMCID: PMC6429436 DOI: 10.1021/acs.bioconjchem.8b00902] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
![]()
Cholera is a potentially
fatal bacterial infection that affects
a large number of people in developing countries. It is caused by
the cholera toxin (CT), an AB5 toxin secreted by Vibrio cholera. The toxin comprises a toxic A-subunit
and a pentameric B-subunit that bind to the intestinal cell surface.
Several monovalent and multivalent inhibitors of the toxin have been
synthesized but are too complicated and expensive for practical use
in developing countries. Meta-nitrophenyl α-galactoside (MNPG)
is a known promising ligand for CT, and here mono- and multivalent
compounds based on MNPG were synthesized. We present the synthesis
of MNPG in greatly improved yields and its use while linked to a multivalent
scaffold. We used economical polymers as multivalent scaffolds, namely,
polyacrylamide, dextran, and hyperbranched polyglycerols (hPGs). Copper-catalyzed
alkyne azide cycloaddition reaction (CuAAC) produced the inhibitors
that were tested in an ELISA-type assay and an intestinal organoid
swelling inhibition assay. The inhibitory properties varied widely
depending on the type of polymer, and the most potent conjugates showed
IC50 values in the nanomolar range.
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Affiliation(s)
- Diksha Haksar
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences , Utrecht University , Universiteitsweg 99 , 3584 CG Utrecht , The Netherlands
| | - Eyleen de Poel
- Department of Pediatric Pulmonology, Regenerative Medicine Center Utrecht , University Medical Centre Utrecht , Lundlaan 6 , 3508 GA Utrecht , The Netherlands
| | - Linda Quarles van Ufford
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences , Utrecht University , Universiteitsweg 99 , 3584 CG Utrecht , The Netherlands
| | - Sumati Bhatia
- Institut für Chemie und Biochemie Organische Chemie , Freie Universität at Berlin , Takustr. 3 , 14195 Berlin , Germany
| | - Rainer Haag
- Institut für Chemie und Biochemie Organische Chemie , Freie Universität at Berlin , Takustr. 3 , 14195 Berlin , Germany
| | - Jeffrey Beekman
- Department of Pediatric Pulmonology, Regenerative Medicine Center Utrecht , University Medical Centre Utrecht , Lundlaan 6 , 3508 GA Utrecht , The Netherlands
| | - Roland J Pieters
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences , Utrecht University , Universiteitsweg 99 , 3584 CG Utrecht , The Netherlands
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14
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Wilkins L, Badi N, Du Prez F, Gibson MI. Double-Modified Glycopolymers from Thiolactones to Modulate Lectin Selectivity and Affinity. ACS Macro Lett 2018; 7:1498-1502. [PMID: 30662815 PMCID: PMC6326524 DOI: 10.1021/acsmacrolett.8b00825] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Accepted: 12/03/2018] [Indexed: 12/15/2022]
Abstract
Multivalent glycomaterials show high affinity toward lectins but are often nonselective as they lack the precise 3-D presentation found in native glycans. Here, thiolactone chemistry is exploited to enable the synthesis of glycopolymers with both a primary binding (galactose) and a variable secondary binding unit in close proximity to each other on the linker. These polymers are used to target the Cholera toxin B subunit, CTxB, inspired by its native branched glycan target, GM-1. The secondary, nonbinding unit was shown to dramatically modulate affinity and selectivity toward the Cholera toxin. These increasingly complex glycopolymers, assembled using accessible chemistry, can help breach the synthetic/biological divide to obtain future glycomimetics.
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Affiliation(s)
- Laura
E. Wilkins
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, U.K.
| | - Nezha Badi
- Polymer
Chemistry Research Group, Centre of Macromolecular Chemistry (CMaC),
Department of Organic and Macromolecular Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281 S4-bis, Ghent B-9000, Belgium
| | - Filip Du Prez
- Polymer
Chemistry Research Group, Centre of Macromolecular Chemistry (CMaC),
Department of Organic and Macromolecular Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281 S4-bis, Ghent B-9000, Belgium
| | - Matthew I. Gibson
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, U.K.
- Warwick
Medical School, University of Warwick, Coventry CV4 7AL, U.K.
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15
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Amar LI, Guisado D, Faria M, Jones JP, van Rijn CJM, Hill MI, Leonard EF. Erythrocyte fouling on micro-engineered membranes. Biomed Microdevices 2018; 20:55. [PMID: 29971550 DOI: 10.1007/s10544-018-0297-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Crossflow microfiltration of plasma from blood through microsieves in a microchannel is potentially useful in many biomedical applications, including clinically as a wearable water removal device under development by the authors. We report experiments that correlate filtration rates, transmembrane pressures (TMP) and shear rates during filtration through a microscopically high channel bounded by a low intrinsic resistance photolithographically-produced porous semiconductor membrane. These experiments allowed observation of erythrocyte behavior at the filtering surface and showed how their unique deformability properties dominated filtration resistance. At low filtration rates (corresponding to low TMP), they rolled along the filter surface, but at higher filtration rates (corresponding to higher TMP), they anchored themselves to the filter membrane, forming a self-assembled, incomplete monolayer. The incompleteness of the layer was an essential feature of the monolayer's ability to support sustainable filtration. Maximum steady-state filtration flux was a function of wall shear rate, as predicted by conventional crossflow filtration theory, but, contrary to theories based on convective diffusion, showed weak dependence of filtration on erythrocyte concentration. Post-filtration scanning electron micrographs revealed significant capture and deformation of erythrocytes in all filter pores in the range 0.25 to 2 μm diameter. We report filtration rates through these filters and describe a largely unrecognized mechanism that allows stable filtration in the presence of substantial cell layers.
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Affiliation(s)
- Levy I Amar
- Department of Biomedical Engineering, Columbia University, New York, NY, 10027, USA.
| | - Daniela Guisado
- Department of Chemical Engineering, Columbia University, New York, NY, 10027, USA
| | - Monica Faria
- Department of Chemical Engineering, Columbia University, New York, NY, 10027, USA
| | - James P Jones
- Department of Nephrology, Mount Sinai St. Luke's Roosevelt Hospital, New York, NY, 10025, USA
| | - Cees J M van Rijn
- MicroFluidics and NanoTechnology/ORC, Wageningen University Stippeneng, Wageningen, 6708, WE, The Netherlands
| | - Michael I Hill
- Department of Chemical Engineering, Columbia University, New York, NY, 10027, USA
| | - Edward F Leonard
- Department of Biomedical Engineering, Columbia University, New York, NY, 10027, USA.,Department of Chemical Engineering, Columbia University, New York, NY, 10027, USA
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16
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Wands AM, Cervin J, Huang H, Zhang Y, Youn G, Brautigam CA, Matson Dzebo M, Björklund P, Wallenius V, Bright DK, Bennett CS, Wittung-Stafshede P, Sampson NS, Yrlid U, Kohler JJ. Fucosylated Molecules Competitively Interfere with Cholera Toxin Binding to Host Cells. ACS Infect Dis 2018; 4:758-770. [PMID: 29411974 DOI: 10.1021/acsinfecdis.7b00085] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Cholera toxin (CT) enters host intestinal epithelia cells, and its retrograde transport to the cytosol results in the massive loss of fluids and electrolytes associated with severe dehydration. To initiate this intoxication process, the B subunit of CT (CTB) first binds to a cell surface receptor displayed on the apical surface of the intestinal epithelia. While the monosialoganglioside GM1 is widely accepted to be the sole receptor for CT, intestinal epithelial cell lines also utilize fucosylated glycan epitopes on glycoproteins to facilitate cell surface binding and endocytic uptake of the toxin. Further, l-fucose can competively inhibit CTB binding to intestinal epithelia cells. Here, we use competition binding assays with l-fucose analogs to decipher the molecular determinants for l-fucose inhibition of cholera toxin subunit B (CTB) binding. Additionally, we find that mono- and difucosylated oligosaccharides are more potent inhibitors than l-fucose alone, with the LeY tetrasaccharide emerging as the most potent inhibitor of CTB binding to two colonic epithelial cell lines (T84 and Colo205). Finally, a non-natural fucose-containing polymer inhibits CTB binding two orders of magnitude more potently than the LeY glycan when tested against Colo205 cells. This same polymer also inhibits CTB binding to T84 cells and primary human jejunal epithelial cells in a dose-dependent manner. These findings suggest the possibility that polymeric display of fucose might be exploited as a prophylactic or therapeutic approach to block the action of CT toward the human intestinal epithelium.
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Affiliation(s)
| | - Jakob Cervin
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, SE-40530 Gothenburg, Sweden
| | - He Huang
- Department of Chemistry, Stony Brook University, 100 Toll Road, Stony Brook, New York 11790-3400, United States
| | - Ye Zhang
- Department of Chemistry, Stony Brook University, 100 Toll Road, Stony Brook, New York 11790-3400, United States
| | - Gyusaang Youn
- Department of Chemistry, Stony Brook University, 100 Toll Road, Stony Brook, New York 11790-3400, United States
| | | | - Maria Matson Dzebo
- Department of Biology and Biological Engineering, Chalmers University of Technology, SE-41296 Gothenburg, Sweden
| | - Per Björklund
- Department of Gastrosurgical Research and Education, Sahlgrenska Academy, University of Gothenburg, Sahlgrenska University Hospital/Östra, SE-41345 Gothenburg, Sweden
| | - Ville Wallenius
- Department of Gastrosurgical Research and Education, Sahlgrenska Academy, University of Gothenburg, Sahlgrenska University Hospital/Östra, SE-41345 Gothenburg, Sweden
| | - Danielle K. Bright
- Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, United States
| | - Clay S. Bennett
- Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, United States
| | - Pernilla Wittung-Stafshede
- Department of Biology and Biological Engineering, Chalmers University of Technology, SE-41296 Gothenburg, Sweden
| | - Nicole S. Sampson
- Department of Chemistry, Stony Brook University, 100 Toll Road, Stony Brook, New York 11790-3400, United States
| | - Ulf Yrlid
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, SE-40530 Gothenburg, Sweden
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17
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Bojarová P, Křen V. Sugared biomaterial binding lectins: achievements and perspectives. Biomater Sci 2018; 4:1142-60. [PMID: 27075026 DOI: 10.1039/c6bm00088f] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Lectins, a distinct group of glycan-binding proteins, play a prominent role in the immune system ranging from pathogen recognition and tuning of inflammation to cell adhesion or cellular signalling. The possibilities of their detailed study expanded along with the rapid development of biomaterials in the last decade. The immense knowledge of all aspects of glycan-lectin interactions both in vitro and in vivo may be efficiently used in bioimaging, targeted drug delivery, diagnostic and analytic biological methods. Practically applicable examples comprise photoluminescence and optical biosensors, ingenious three-dimensional carbohydrate microarrays for high-throughput screening, matrices for magnetic resonance imaging, targeted hyperthermal treatment of cancer tissues, selective inhibitors of bacterial toxins and pathogen-recognising lectin receptors, and many others. This review aims to present an up-to-date systematic overview of glycan-decorated biomaterials promising for interactions with lectins, especially those applicable in biology, biotechnology or medicine. The lectins of interest include galectin-1, -3 and -7 participating in tumour progression, bacterial lectins from Pseudomonas aeruginosa (PA-IL), E. coli (Fim-H) and Clostridium botulinum (HA33) or DC-SIGN, receptors of macrophages and dendritic cells. The spectrum of lectin-binding biomaterials covered herein ranges from glycosylated organic structures, calixarene and fullerene cores over glycopeptides and glycoproteins, functionalised carbohydrate scaffolds of cyclodextrin or chitin to self-assembling glycopolymer clusters, gels, micelles and liposomes. Glyconanoparticles, glycan arrays, and other biomaterials with a solid core are described in detail, including inorganic matrices like hydroxyapatite or stainless steel for bioimplants.
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Affiliation(s)
- P Bojarová
- Laboratory of Biotransformation, Institute of Microbiology, Academy of Sciences of the Czech Republic, Vídeňská 1083, CZ 14220 Prague 4, Czech Republic.
| | - V Křen
- Laboratory of Biotransformation, Institute of Microbiology, Academy of Sciences of the Czech Republic, Vídeňská 1083, CZ 14220 Prague 4, Czech Republic.
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18
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Kumar V, Turnbull WB. Carbohydrate inhibitors of cholera toxin. Beilstein J Org Chem 2018; 14:484-498. [PMID: 29520310 PMCID: PMC5827775 DOI: 10.3762/bjoc.14.34] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Accepted: 02/08/2018] [Indexed: 01/17/2023] Open
Abstract
Cholera is a diarrheal disease caused by a protein toxin released by Vibrio cholera in the host's intestine. The toxin enters intestinal epithelial cells after binding to specific carbohydrates on the cell surface. Over recent years, considerable effort has been invested in developing inhibitors of toxin adhesion that mimic the carbohydrate ligand, with particular emphasis on exploiting the multivalency of the toxin to enhance activity. In this review we introduce the structural features of the toxin that have guided the design of diverse inhibitors and summarise recent developments in the field.
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Affiliation(s)
- Vajinder Kumar
- Department of Chemistry, Akal University, Talwandi Sabo, Punjab, India
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of Leeds, LS2 9JT, UK
| | - W Bruce Turnbull
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of Leeds, LS2 9JT, UK
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19
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Cervin J, Wands AM, Casselbrant A, Wu H, Krishnamurthy S, Cvjetkovic A, Estelius J, Dedic B, Sethi A, Wallom KL, Riise R, Bäckström M, Wallenius V, Platt FM, Lebens M, Teneberg S, Fändriks L, Kohler JJ, Yrlid U. GM1 ganglioside-independent intoxication by Cholera toxin. PLoS Pathog 2018; 14:e1006862. [PMID: 29432456 PMCID: PMC5825173 DOI: 10.1371/journal.ppat.1006862] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 02/23/2018] [Accepted: 01/08/2018] [Indexed: 11/18/2022] Open
Abstract
Cholera toxin (CT) enters and intoxicates host cells after binding cell surface receptors via its B subunit (CTB). We have recently shown that in addition to the previously described binding partner ganglioside GM1, CTB binds to fucosylated proteins. Using flow cytometric analysis of primary human jejunal epithelial cells and granulocytes, we now show that CTB binding correlates with expression of the fucosylated Lewis X (LeX) glycan. This binding is competitively blocked by fucosylated oligosaccharides and fucose-binding lectins. CTB binds the LeX glycan in vitro when this moiety is linked to proteins but not to ceramides, and this binding can be blocked by mAb to LeX. Inhibition of glycosphingolipid synthesis or sialylation in GM1-deficient C6 rat glioma cells results in sensitization to CT-mediated intoxication. Finally, CT gavage produces an intact diarrheal response in knockout mice lacking GM1 even after additional reduction of glycosphingolipids. Hence our results show that CT can induce toxicity in the absence of GM1 and support a role for host glycoproteins in CT intoxication. These findings open up new avenues for therapies to block CT action and for design of detoxified enterotoxin-based adjuvants.
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Affiliation(s)
- Jakob Cervin
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Amberlyn M. Wands
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas, United States
| | - Anna Casselbrant
- Department of Gastrosurgical Research and Education, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Han Wu
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas, United States
| | - Soumya Krishnamurthy
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas, United States
| | - Aleksander Cvjetkovic
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Johanna Estelius
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Benjamin Dedic
- Department of Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Anirudh Sethi
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas, United States
| | - Kerri-Lee Wallom
- Department of Pharmacology, University of Oxford, Oxford, United Kingdom
| | - Rebecca Riise
- Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden
| | - Malin Bäckström
- Mammalian Protein Expression Core Facility, University of Gothenburg, Gothenburg, Sweden
| | - Ville Wallenius
- Department of Gastrosurgical Research and Education, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Frances M. Platt
- Department of Pharmacology, University of Oxford, Oxford, United Kingdom
| | - Michael Lebens
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Susann Teneberg
- Department of Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Lars Fändriks
- Department of Gastrosurgical Research and Education, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Jennifer J. Kohler
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas, United States
| | - Ulf Yrlid
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
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20
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Aizpurua-Olaizola O, Sastre Torano J, Pukin A, Fu O, Boons GJ, de Jong GJ, Pieters RJ. Affinity capillary electrophoresis for the assessment of binding affinity of carbohydrate-based cholera toxin inhibitors. Electrophoresis 2017; 39:344-347. [DOI: 10.1002/elps.201700207] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 08/25/2017] [Accepted: 09/07/2017] [Indexed: 11/12/2022]
Affiliation(s)
- Oier Aizpurua-Olaizola
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences; Utrecht University; Utrecht Netherlands
| | - Javier Sastre Torano
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences; Utrecht University; Utrecht Netherlands
| | - Aliaksei Pukin
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences; Utrecht University; Utrecht Netherlands
| | - Ou Fu
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences; Utrecht University; Utrecht Netherlands
| | - Geert Jan Boons
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences; Utrecht University; Utrecht Netherlands
| | - Gerhardus J. de Jong
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences; Utrecht University; Utrecht Netherlands
| | - Roland J. Pieters
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences; Utrecht University; Utrecht Netherlands
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21
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Heggelund JE, Mackenzie A, Martinsen T, Heim JB, Cheshev P, Bernardi A, Krengel U. Towards new cholera prophylactics and treatment: Crystal structures of bacterial enterotoxins in complex with GM1 mimics. Sci Rep 2017; 7:2326. [PMID: 28539625 PMCID: PMC5443773 DOI: 10.1038/s41598-017-02179-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Accepted: 04/07/2017] [Indexed: 01/08/2023] Open
Abstract
Cholera is a life-threatening disease in many countries, and new drugs are clearly needed. C-glycosidic antagonists may serve such a purpose. Here we report atomic-resolution crystal structures of three such compounds in complexes with the cholera toxin. The structures give unprecedented atomic details of the molecular interactions and show how the inhibitors efficiently block the GM1 binding site. These molecules are well suited for development into low-cost prophylactic drugs, due to their relatively easy synthesis and their resistance to glycolytic enzymes. One of the compounds links two toxin B-pentamers in the crystal structure, which may yield improved inhibition through the formation of toxin aggregates. These structures can spark the improved design of GM1 mimics, either alone or as multivalent inhibitors connecting multiple GM1-binding sites. Future developments may further include compounds that link the primary and secondary binding sites. Serving as decoys, receptor mimics may lessen symptoms while avoiding the use of antibiotics.
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Affiliation(s)
- Julie Elisabeth Heggelund
- Department of Chemistry, University of Oslo, P.O. Box 1033, NO-0315, Blindern, Norway. .,School of Biomedical Sciences, University of Leeds, LS2 9JT Leeds, UK and School of Pharmacy, University of Oslo, P.O. Box 1068, NO-0316, Blindern, Norway.
| | - Alasdair Mackenzie
- Department of Chemistry, University of Oslo, P.O. Box 1033, NO-0315, Blindern, Norway.,Alere Technologies AS, Kjelsåsveien 161, NO-0884, Oslo, Norway
| | - Tobias Martinsen
- Department of Chemistry, University of Oslo, P.O. Box 1033, NO-0315, Blindern, Norway
| | - Joel Benjamin Heim
- Department of Chemistry, University of Oslo, P.O. Box 1033, NO-0315, Blindern, Norway
| | - Pavel Cheshev
- Universita' degli Studi di Milano, Dipartimento di Chimica, via Golgi 19, 20133, Milano, Italy.,Skolkovo innovation center, Office 229, OC Technopark bld. 2, Lugovaya str. 4, 143026, Moscow, Russia
| | - Anna Bernardi
- Universita' degli Studi di Milano, Dipartimento di Chimica, via Golgi 19, 20133, Milano, Italy
| | - Ute Krengel
- Department of Chemistry, University of Oslo, P.O. Box 1033, NO-0315, Blindern, Norway.
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22
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Zomer-van Ommen DD, Pukin AV, Fu O, Quarles van Ufford LH, Janssens HM, Beekman JM, Pieters RJ. Functional Characterization of Cholera Toxin Inhibitors Using Human Intestinal Organoids. J Med Chem 2016; 59:6968-72. [DOI: 10.1021/acs.jmedchem.6b00770] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Domenique D. Zomer-van Ommen
- Department
of Pediatric Pulmonology, University Medical Centre Utrecht, Lundlaan
6, 3508 GA Utrecht, The Netherlands
| | - Aliaksei V. Pukin
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, P.O. Box 80082, 3508 TB Utrecht, The Netherlands
| | - Ou Fu
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, P.O. Box 80082, 3508 TB Utrecht, The Netherlands
| | - Linda H.C. Quarles van Ufford
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, P.O. Box 80082, 3508 TB Utrecht, The Netherlands
| | - Hettie M. Janssens
- Department
of Pediatric Pulmonology, Erasmus Medical Center/Sophia Children’s Hospital, Wytemaweg 80, 3015
CN Rotterdam, The Netherlands
| | - Jeffrey M. Beekman
- Department
of Pediatric Pulmonology, University Medical Centre Utrecht, Lundlaan
6, 3508 GA Utrecht, The Netherlands
| | - Roland J. Pieters
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, P.O. Box 80082, 3508 TB Utrecht, The Netherlands
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23
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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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24
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van den Berg SA, Zuilhof H, Wennekes T. Clickable Polylactic Acids by Fast Organocatalytic Ring-Opening Polymerization in Continuous Flow. Macromolecules 2016. [DOI: 10.1021/acs.macromol.5b02533] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Sebastiaan A. van den Berg
- Laboratory
of Organic Chemistry, Wageningen University, Dreijenplein 8, 6703 HB, Wageningen, The Netherlands
| | - Han Zuilhof
- Laboratory
of Organic Chemistry, Wageningen University, Dreijenplein 8, 6703 HB, Wageningen, The Netherlands
- Department
of Chemical and Materials Engineering, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Tom Wennekes
- Laboratory
of Organic Chemistry, Wageningen University, Dreijenplein 8, 6703 HB, Wageningen, The Netherlands
- Department
of Chemical Biology and Drug Discovery and Utrecht Institute for Pharmaceutical Sciences and Bijvoet Center
for Biomolecular Research, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
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25
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Kajiki Y, Sekiya R, Yamasaki Y, Uemura Y, Haino T. Induced-Fit Molecular Recognition of Alkyl Chains in p-tert-Butylcalix[5]arene in the Solid State. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2016. [DOI: 10.1246/bcsj.20150344] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Yasunori Kajiki
- Research Center for the Mathematics on Chromatin Live Dynamics, Hiroshima University
| | - Ryo Sekiya
- Department of Chemistry, Graduate School of Science, Hiroshima University
| | - Yutaro Yamasaki
- Department of Chemistry, Graduate School of Science, Hiroshima University
| | - Yuichiro Uemura
- Department of Chemistry, Graduate School of Science, Hiroshima University
| | - Takeharu Haino
- Research Center for the Mathematics on Chromatin Live Dynamics, Hiroshima University
- Department of Chemistry, Graduate School of Science, Hiroshima University
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26
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Hoogenboom J, Zuilhof H, Wennekes T. Versatile Scope of a Masked Aldehyde Nitrone in 1,3-Dipolar Cycloadditions. Org Lett 2015; 17:5550-3. [PMID: 26555778 DOI: 10.1021/acs.orglett.5b02662] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A new masked aldehyde-containing nitrone 1 that is easily available through a facile one-step procedure has been developed. It undergoes a [3 + 2]-thermal cycloaddition with a wide range of dipolarophiles, affording isoxazolidine cycloadducts that are suitable for versatile postcycloaddition modifications. The acetal cycloadducts are acid-stable, but allow for acetal hydrolysis under mildly basic conditions. The isoxazolidine ring can be opened via an efficient one-pot procedure to give amine-protected γ-alcohols that can be further converted to furanose derivatives.
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Affiliation(s)
- Jorin Hoogenboom
- Laboratory of Organic Chemistry, Wageningen University , Dreijenplein 8, 6703 HB Wageningen, The Netherlands
| | - Han Zuilhof
- Laboratory of Organic Chemistry, Wageningen University , Dreijenplein 8, 6703 HB Wageningen, The Netherlands.,Department of Chemical and Materials Engineering, King Abdulaziz University , Jeddah, Saudi Arabia
| | - Tom Wennekes
- Laboratory of Organic Chemistry, Wageningen University , Dreijenplein 8, 6703 HB Wageningen, The Netherlands
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27
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Giuliani M, Morbioli I, Sansone F, Casnati A. Moulding calixarenes for biomacromolecule targeting. Chem Commun (Camb) 2015; 51:14140-59. [PMID: 26286064 DOI: 10.1039/c5cc05204a] [Citation(s) in RCA: 104] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
After their successful use as a preorganized platform for the preparation of receptors for metal ions and small neutral molecules over the last 15 years, calixarenes are enjoying a renaissance of popularity as scaffolds for ligands that are able to efficiently and selectively target macromolecules such as proteins/enzymes, nucleic acids and lipids. This feature article summarizes the peculiar factors characterizing the calixarene structure and properties, as well as outlines the main rules that can be used to turn such macrocycles into efficient and successful ligands for these classes of biomacromolecules. Factors that affect the multivalent properties of calixarenes, such as the size, conformation and stereochemical presentation of binding groups or their amphiphilicity and hybrid character, are described in detail with the use of a few selected examples from the literature. Perspectives and applications of these ligands in bionanotechnology and nanomedicine, such as protein sensing and inhibition, gene-delivery, targeted drug-delivery and cell imaging, are also discussed.
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Affiliation(s)
- Marta Giuliani
- Dip. to di Chimica, Università di Parma, Parco Area delle Scienze 17/a, 43124 Parma, Italy.
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28
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Fu O, Pukin AV, van Ufford HCQ, Branson TR, Thies-Weesie DME, Turnbull WB, Visser GM, Pieters RJ. Tetra- versus Pentavalent Inhibitors of Cholera Toxin. ChemistryOpen 2015; 4:471-7. [PMID: 26478842 PMCID: PMC4603408 DOI: 10.1002/open.201500006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Indexed: 11/06/2022] Open
Abstract
The five B-subunits (CTB5) of the Vibrio cholerae (cholera) toxin can bind to the intestinal cell surface so the entire AB5 toxin can enter the cell. Simultaneous binding can occur on more than one of the monosialotetrahexosylganglioside (GM1) units present on the cell surface. Such simultaneous binding arising from the toxins multivalency is believed to enhance its affinity. Thus, blocking the initial attachment of the toxin to the cell surface using inhibitors with GM1 subunits has the potential to stop the disease. Previously we showed that tetravalent GM1 molecules were sub-nanomolar inhibitors of CTB5. In this study, we synthesized a pentavalent version and compared the binding and potency of penta- and tetravalent cholera toxin inhibitors, based on the same scaffold, for the first time. The pentavalent geometry did not yield major benefits over the tetravalent species, but it was still a strong inhibitor, and no major steric clashes occurred when binding the toxin. Thus, systems which can adopt more geometries, such as those described here, can be equally potent, and this may possibly be due to their ability to form higher-order structures or simply due to more statistical options for binding.
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Affiliation(s)
- Ou Fu
- Department of Medicinal Chemistry and Chemical Biology, Utrecht University P.O. Box 80082, 3508 TB, Utrecht, The Netherlands
| | - Aliaksei V Pukin
- Department of Medicinal Chemistry and Chemical Biology, Utrecht University P.O. Box 80082, 3508 TB, Utrecht, The Netherlands
| | - H C Quarles van Ufford
- Department of Medicinal Chemistry and Chemical Biology, Utrecht University P.O. Box 80082, 3508 TB, Utrecht, The Netherlands
| | - Thomas R Branson
- Department of Medicinal Chemistry and Chemical Biology, Utrecht University P.O. Box 80082, 3508 TB, Utrecht, The Netherlands ; School of Chemistry and Astbury Centre for Structural Molecular Biology, University of Leeds Leeds, LS2 9JT, United Kingdom
| | - Dominique M E Thies-Weesie
- Van 't Hoff Laboratory for Physical and Colloid Chemistry, Debye Institute for Nanomaterials Science, Utrecht University Padualaan 8, 3584 CH, Utrecht, The Netherlands
| | - W Bruce Turnbull
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of Leeds Leeds, LS2 9JT, United Kingdom
| | - Gerben M Visser
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University PO Box 80.165, 3508 TD, Utrecht, The Netherlands
| | - Roland J Pieters
- Department of Medicinal Chemistry and Chemical Biology, Utrecht University P.O. Box 80082, 3508 TB, Utrecht, The Netherlands
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29
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Wilkins LE, Phillips DJ, Deller RC, Davies GL, Gibson MI. Synthesis and characterisation of glucose-functional glycopolymers and gold nanoparticles: study of their potential interactions with ovine red blood cells. Carbohydr Res 2015; 405:47-54. [DOI: 10.1016/j.carres.2014.09.009] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2014] [Revised: 09/24/2014] [Accepted: 09/26/2014] [Indexed: 10/24/2022]
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30
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Congdon T, Wilmet C, Williams R, Polt J, Lilliman M, Gibson MI. Diversely functionalised carbohydrate-centered oligomers and polymers. Thermoresponsivity, lectin binding and degradability. Eur Polym J 2015. [DOI: 10.1016/j.eurpolymj.2014.06.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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31
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Cecioni S, Imberty A, Vidal S. Glycomimetics versus Multivalent Glycoconjugates for the Design of High Affinity Lectin Ligands. Chem Rev 2014; 115:525-61. [DOI: 10.1021/cr500303t] [Citation(s) in RCA: 381] [Impact Index Per Article: 38.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Samy Cecioni
- CERMAV, Université Grenoble Alpes and CNRS, BP 53, F-38041 Grenoble Cedex 9, France
- Institut
de Chimie et Biochimie Moléculaires et Supramoléculaires,
Laboratoire de Chimie Organique 2 - Glycochimie, UMR 5246, Université Lyon 1 and CNRS, 43 Boulevard du 11 Novembre 1918, F-69622, Villeurbanne, France
| | - Anne Imberty
- CERMAV, Université Grenoble Alpes and CNRS, BP 53, F-38041 Grenoble Cedex 9, France
| | - Sébastien Vidal
- Institut
de Chimie et Biochimie Moléculaires et Supramoléculaires,
Laboratoire de Chimie Organique 2 - Glycochimie, UMR 5246, Université Lyon 1 and CNRS, 43 Boulevard du 11 Novembre 1918, F-69622, Villeurbanne, France
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Branson TR, McAllister TE, Garcia-Hartjes J, Fascione MA, Ross JF, Warriner SL, Wennekes T, Zuilhof H, Turnbull WB. A protein-based pentavalent inhibitor of the cholera toxin B-subunit. Angew Chem Int Ed Engl 2014; 53:8323-7. [PMID: 24989497 PMCID: PMC4499251 DOI: 10.1002/anie.201404397] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Indexed: 01/04/2023]
Abstract
Protein toxins produced by bacteria are the cause of many life-threatening diarrheal diseases. Many of these toxins, including cholera toxin (CT), enter the cell by first binding to glycolipids in the cell membrane. Inhibiting these multivalent protein/carbohydrate interactions would prevent the toxin from entering cells and causing diarrhea. Here we demonstrate that the site-specific modification of a protein scaffold, which is perfectly matched in both size and valency to the target toxin, provides a convenient route to an effective multivalent inhibitor. The resulting pentavalent neoglycoprotein displays an inhibition potency (IC50) of 104 pM for the CT B-subunit (CTB), which is the most potent pentavalent inhibitor for this target reported thus far. Complexation of the inhibitor and CTB resulted in a protein heterodimer. This inhibition strategy can potentially be applied to many multivalent receptors and also opens up new possibilities for protein assembly strategies.
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Affiliation(s)
- Thomas R Branson
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of Leeds, LeedsLS2 9JT (UK)
| | - Tom E McAllister
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of Leeds, LeedsLS2 9JT (UK)
| | - Jaime Garcia-Hartjes
- Laboratory of Organic Chemistry, Wageningen UniversityDreijenplein 8, 6703 HB Wageningen (The Netherlands)
| | - Martin A Fascione
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of Leeds, LeedsLS2 9JT (UK)
| | - James F Ross
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of Leeds, LeedsLS2 9JT (UK)
| | - Stuart L Warriner
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of Leeds, LeedsLS2 9JT (UK)
| | - Tom Wennekes
- Laboratory of Organic Chemistry, Wageningen UniversityDreijenplein 8, 6703 HB Wageningen (The Netherlands)
| | - Han Zuilhof
- Laboratory of Organic Chemistry, Wageningen UniversityDreijenplein 8, 6703 HB Wageningen (The Netherlands)
- Department of Chemical and Materials Engineering, King Abdulaziz UniversityJeddah (Saudi-Arabia)
| | - W Bruce Turnbull
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of Leeds, LeedsLS2 9JT (UK)
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Avvakumova S, Fezzardi P, Pandolfi L, Colombo M, Sansone F, Casnati A, Prosperi D. Gold nanoparticles decorated by clustered multivalent cone-glycocalixarenes actively improve the targeting efficiency toward cancer cells. Chem Commun (Camb) 2014; 50:11029-32. [DOI: 10.1039/c4cc03159h] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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34
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Bernardi S, Fezzardi P, Rispoli G, Sestito SE, Peri F, Sansone F, Casnati A. Clicked and long spaced galactosyl- and lactosylcalix[4]arenes: new multivalent galectin-3 ligands. Beilstein J Org Chem 2014; 10:1672-80. [PMID: 25161726 PMCID: PMC4142870 DOI: 10.3762/bjoc.10.175] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Accepted: 06/23/2014] [Indexed: 12/31/2022] Open
Abstract
Four novel calix[4]arene-based glycoclusters were synthesized by conjugating the saccharide units to the macrocyclic scaffold using the CuAAC reaction and using long and hydrophilic ethylene glycol spacers. Initially, two galactosylcalix[4]arenes were prepared starting from saccharide units and calixarene cores which differ in the relative dispositions of the alkyne and azido groups. Once the most convenient synthetic pathway was selected, two further lactosylcalix[4]arenes were obtained, one in the cone, the other one in the 1,3-alternate structure. Preliminary studies of the interactions of these novel glycocalixarenes with galectin-3 were carried out by using a lectin-functionalized chip and surface plasmon resonance. These studies indicate a higher affinity of lactosyl- over galactosylcalixarenes. Furthermore, we confirmed that in case of this specific lectin binding the presentation of lactose units on a cone calixarene is highly preferred with respect to its isomeric form in the 1,3-alternate structure.
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Affiliation(s)
- Silvia Bernardi
- Dipartimento di Chimica, Università degli Studi di Parma, Parco Area delle Scienze 17/a, 43124 Parma, Italy
| | - Paola Fezzardi
- Dipartimento di Chimica, Università degli Studi di Parma, Parco Area delle Scienze 17/a, 43124 Parma, Italy
| | - Gabriele Rispoli
- Dipartimento di Chimica, Università degli Studi di Parma, Parco Area delle Scienze 17/a, 43124 Parma, Italy
| | - Stefania E Sestito
- Dipartimento di Biotecnologie e Bioscienze, Università degli Studi di Milano-Bicocca, Piazza della Scienza 2, 20126 Milano, Italy
| | - Francesco Peri
- Dipartimento di Biotecnologie e Bioscienze, Università degli Studi di Milano-Bicocca, Piazza della Scienza 2, 20126 Milano, Italy
| | - Francesco Sansone
- Dipartimento di Chimica, Università degli Studi di Parma, Parco Area delle Scienze 17/a, 43124 Parma, Italy
| | - Alessandro Casnati
- Dipartimento di Chimica, Università degli Studi di Parma, Parco Area delle Scienze 17/a, 43124 Parma, Italy
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35
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Branson TR, McAllister TE, Garcia-Hartjes J, Fascione MA, Ross JF, Warriner SL, Wennekes T, Zuilhof H, Turnbull WB. A Protein-Based Pentavalent Inhibitor of the Cholera Toxin B-Subunit. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201404397] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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36
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Mattarella M, Garcia-Hartjes J, Wennekes T, Zuilhof H, Siegel JS. Nanomolar cholera toxininhibitors based on symmetrical pentavalent ganglioside GM1os-sym-corannulenes. Org Biomol Chem 2013; 11:4333-4339. [DOI: 10.1039/c3ob40438b] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Corannulene derivatives, functionalized,viacopper-catalyzed alkyne-azide cycloaddition (CuAAC) reactions, with galactose and the ganglioside GM1-oligosaccharide (GM1os), were evaluated for their ability to inhibit the binding of cholera toxin to its natural ligand; in this assay, GM1os-sym-corannulenes proved to be nanomolar inhibitors.
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Affiliation(s)
- Martin Mattarella
- Institute of Organic Chemistry
- University of Zurich
- 8057 Zurich
- Switzerland
| | | | - Tom Wennekes
- Laboratory of Organic Chemistry
- Wageningen University
- Wageningen
- The Netherlands
| | - Han Zuilhof
- Laboratory of Organic Chemistry
- Wageningen University
- Wageningen
- The Netherlands
- Department of Chemical and Materials Engineering
| | - Jay S. Siegel
- Institute of Organic Chemistry
- University of Zurich
- 8057 Zurich
- Switzerland
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