1
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Sahaji S, Bag P, Misra AK. Synthesis of the pyruvic acid acetal containing tetrasaccharide repeating unit corresponding to the K82 capsular polysaccharide of Acinetobacter baumannii LUH5534 strain. Carbohydr Res 2024; 544:109249. [PMID: 39191198 DOI: 10.1016/j.carres.2024.109249] [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: 07/12/2024] [Revised: 08/22/2024] [Accepted: 08/23/2024] [Indexed: 08/29/2024]
Abstract
An efficient synthetic strategy has been developed to achieve a pyruvic acid acetal containing tetrasaccharide repeating unit corresponding to the K82 capsular polysaccharide of Acinetobacter baumannii LUH5534 strain in very good yield. The synthetic scheme involves the use of suitably functionalized monosaccharide thioglycosides as glycosyl donors and a combination of N-iodosuccinimide (NIS) and trimethylsilyl trifluoromethanesulfonate (TMSOTf) as thiophilic glycosylation activator to furnish satisfactory yield of the products with appropriate stereochemistry at the glycosidic linkages. Incorporation of the (R)-pyruvic acid acetal in the d-galactose moiety was achieved in very good yield by the treatment of the diol derivative with methyl 2,2-bis(p-methylphenylthio)propionate in the presence of a combination of NIS and triflic acid.
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Affiliation(s)
- Samim Sahaji
- Bose Institute, Department of Chemical Sciences, Block EN-80, Sector-V, Salt Lake, Kolkata, 700091, India
| | - Puja Bag
- Bose Institute, Department of Chemical Sciences, Block EN-80, Sector-V, Salt Lake, Kolkata, 700091, India
| | - Anup Kumar Misra
- Bose Institute, Department of Chemical Sciences, Block EN-80, Sector-V, Salt Lake, Kolkata, 700091, India.
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2
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Khodadadi Yazdi M, Seidi F, Hejna A, Zarrintaj P, Rabiee N, Kucinska-Lipka J, Saeb MR, Bencherif SA. Tailor-Made Polysaccharides for Biomedical Applications. ACS APPLIED BIO MATERIALS 2024; 7:4193-4230. [PMID: 38958361 PMCID: PMC11253104 DOI: 10.1021/acsabm.3c01199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 05/28/2024] [Accepted: 05/28/2024] [Indexed: 07/04/2024]
Abstract
Polysaccharides (PSAs) are carbohydrate-based macromolecules widely used in the biomedical field, either in their pure form or in blends/nanocomposites with other materials. The relationship between structure, properties, and functions has inspired scientists to design multifunctional PSAs for various biomedical applications by incorporating unique molecular structures and targeted bulk properties. Multiple strategies, such as conjugation, grafting, cross-linking, and functionalization, have been explored to control their mechanical properties, electrical conductivity, hydrophilicity, degradability, rheological features, and stimuli-responsiveness. For instance, custom-made PSAs are known for their worldwide biomedical applications in tissue engineering, drug/gene delivery, and regenerative medicine. Furthermore, the remarkable advancements in supramolecular engineering and chemistry have paved the way for mission-oriented biomaterial synthesis and the fabrication of customized biomaterials. These materials can synergistically combine the benefits of biology and chemistry to tackle important biomedical questions. Herein, we categorize and summarize PSAs based on their synthesis methods, and explore the main strategies used to customize their chemical structures. We then highlight various properties of PSAs using practical examples. Lastly, we thoroughly describe the biomedical applications of tailor-made PSAs, along with their current existing challenges and potential future directions.
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Affiliation(s)
- Mohsen Khodadadi Yazdi
- Division
of Electrochemistry and Surface Physical Chemistry, Faculty of Applied
Physics and Mathematics, Gdańsk University
of Technology, Narutowicza
11/12, 80-233 Gdańsk, Poland
- Advanced
Materials Center, Gdańsk University
of Technology, Narutowicza
11/12, 80-233 Gdańsk, Poland
| | - Farzad Seidi
- Jiangsu
Co−Innovation Center for Efficient Processing and Utilization
of Forest Resources and International Innovation Center for Forest
Chemicals and Materials, Nanjing Forestry
University, Nanjing 210037, China
| | - Aleksander Hejna
- Institute
of Materials Technology, Poznan University
of Technology, PL-61-138 Poznań, Poland
| | - Payam Zarrintaj
- School
of Chemical Engineering, Oklahoma State
University, 420 Engineering
North, Stillwater, Oklahoma 74078, United States
| | - Navid Rabiee
- Department
of Biomaterials, Saveetha Dental College and Hospitals, SIMATS, Saveetha University, Chennai 600077, India
| | - Justyna Kucinska-Lipka
- Department
of Polymer Technology, Faculty of Chemistry, Gdańsk University of Technology, 80-233 Gdańsk, Poland
| | - Mohammad Reza Saeb
- Department
of Pharmaceutical Chemistry, Medical University
of Gdańsk, J.
Hallera 107, 80-416 Gdańsk, Poland
| | - Sidi A. Bencherif
- Chemical
Engineering Department, Northeastern University, Boston, Massachusetts 02115, United States
- Department
of Bioengineering, Northeastern University, Boston, Massachusetts 02115, United States
- Harvard
John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
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3
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Defant P, Regl C, Huber CG, Schubert M. The NMR signature of maltose-based glycation in full-length proteins. JOURNAL OF BIOMOLECULAR NMR 2024; 78:61-72. [PMID: 38114873 PMCID: PMC10981599 DOI: 10.1007/s10858-023-00432-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 11/15/2023] [Indexed: 12/21/2023]
Abstract
Reducing sugars can spontaneously react with free amines in protein side chains leading to posttranslational modifications (PTMs) called glycation. In contrast to glycosylation, glycation is a non-enzymatic modification with consequences on the overall charge, solubility, aggregation susceptibility and functionality of a protein. Glycation is a critical quality attribute of therapeutic monoclonal antibodies. In addition to glucose, also disaccharides like maltose can form glycation products. We present here a detailed NMR analysis of the Amadori product formed between proteins and maltose. For better comparison, data collection was done under denaturing conditions using 7 M urea-d4 in D2O. The here presented correlation patterns serve as a signature and can be used to identify maltose-based glycation in any protein that can be denatured. In addition to the model protein BSA, which can be readily glycated, we present data of the biotherapeutic abatacept containing maltose in its formulation buffer. With this contribution, we demonstrate that NMR spectroscopy is an independent method for detecting maltose-based glycation, that is suited for cross-validation with other methods.
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Affiliation(s)
- Pauline Defant
- Department of Biosciences and Medical Biology, University of Salzburg, Hellbrunnerstrasse 34, 5020, Salzburg, Austria
| | - Christof Regl
- Department of Biosciences and Medical Biology, University of Salzburg, Hellbrunnerstrasse 34, 5020, Salzburg, Austria
| | - Christian G Huber
- Department of Biosciences and Medical Biology, University of Salzburg, Hellbrunnerstrasse 34, 5020, Salzburg, Austria
| | - Mario Schubert
- Department of Biosciences and Medical Biology, University of Salzburg, Hellbrunnerstrasse 34, 5020, Salzburg, Austria.
- Department of Biology, Chemistry and Pharmacy, Freie Universität Berlin, Takustr. 3, 14195, Berlin, Germany.
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4
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Onodera Y, Kobayashi J, Mitani S, Hosoda C, Banno K, Horie K, Okano T, Shimizu T, Shima M, Tatsumi K. Terminus-Selective Covalent Immobilization of Heparin on a Thermoresponsive Surface Using Click Chemistry for Efficient Binding of Basic Fibroblast Growth Factor. Macromol Biosci 2024; 24:e2300307. [PMID: 37774391 DOI: 10.1002/mabi.202300307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 09/02/2023] [Indexed: 10/01/2023]
Abstract
Cell therapy using endothelial cells (ECs) has great potential for the treatment of congenital disorders, such as hemophilia A. Cell sheet technology utilizing a thermoresponsive culture dish is a promising approach to efficiently transplant donor cells. In this study, a new method to prepare terminus-selective heparin-immobilized thermoresponsive culture surfaces is developed to facilitate the preparation of EC sheets. Alkynes are introduced to the reducing terminus of heparin via reductive amination. Cu-catalyzed azide-alkyne cycloaddition (CuAAC) facilitates efficient immobilization of the terminus of heparin on a thermoresponsive surface, resulting in a higher amount of immobilized heparin while preserving its function. Heparin-immobilized thermoresponsive surfaces prepared using CuAAC exhibit good adhesion to human endothelial colony-forming cells (ECFCs). In addition, upon further binding to basic fibroblast growth factor (bFGF) on heparin-immobilized surfaces, increased proliferation of ECFCs on the surface is observed. The confluent ECFC monolayer cultured on bFGF-bound heparin-immobilized thermoresponsive surfaces exhibits relatively high fibronectin accumulation and cell number and detaches at 22 °C while maintaining the sheet-like structure. Because heparin has an affinity for several types of bioactive molecules, the proposed method can be applied to facilitate efficient cultures and sheet formations of various cell types.
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Affiliation(s)
- Yu Onodera
- Advanced Medical Science of Thrombosis and Hemostasis, Nara Medical University, 840 Shijocho, Kashihara, Nara, 634-8521, Japan
| | - Jun Kobayashi
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, TWIns, 8-1 Kawadacho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Seiji Mitani
- Advanced Medical Science of Thrombosis and Hemostasis, Nara Medical University, 840 Shijocho, Kashihara, Nara, 634-8521, Japan
| | - Chihiro Hosoda
- Advanced Medical Science of Thrombosis and Hemostasis, Nara Medical University, 840 Shijocho, Kashihara, Nara, 634-8521, Japan
| | - Kimihiko Banno
- Department of Physiology II, Nara Medical University, 840 Shijocho, Kashihara, Nara, 634-8521, Japan
| | - Kyoji Horie
- Department of Physiology II, Nara Medical University, 840 Shijocho, Kashihara, Nara, 634-8521, Japan
| | - Teruo Okano
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, TWIns, 8-1 Kawadacho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Tatsuya Shimizu
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, TWIns, 8-1 Kawadacho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Midori Shima
- Advanced Medical Science of Thrombosis and Hemostasis, Nara Medical University, 840 Shijocho, Kashihara, Nara, 634-8521, Japan
| | - Kohei Tatsumi
- Advanced Medical Science of Thrombosis and Hemostasis, Nara Medical University, 840 Shijocho, Kashihara, Nara, 634-8521, Japan
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5
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Jansen L, van Rijbroek KWM, den Bakker PC, Klaassen-Heshof DJ, Kolkman WJB, Venbrux N, Migchielsen V, Hutzezon J, Lenferink WB, Lücker S, Ranoux A, Raaijmakers HWC, Boltje TJ. Synthesis and Performance of Biobased Surfactants Prepared by the One-Pot Reductive Amination of l-Arabinose and d-Galacturonic Acid. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2023; 11:16117-16123. [PMID: 38022738 PMCID: PMC10647919 DOI: 10.1021/acssuschemeng.3c03753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 10/16/2023] [Accepted: 10/17/2023] [Indexed: 12/01/2023]
Abstract
Herein, we report a method for the synthesis of biobased surfactants derived from sugar beet pulp (SBP) monosaccharides, l-Ara and d-GalA. The surfactants were prepared via one-pot reductive amination, allowing the introduction of different alkyl chain lengths and methyl modifications. Optimal reaction conditions were established to achieve high yields and easy purification. The synthesized surfactants including the tertiary amines exhibited desirable properties, including solubility, foamability, and reduction of surface tension. Notably, the anionic surfactants derived from d-GalA demonstrated better solubility and foam performance compared to those derived from l-Ara. In addition, these surfactants exhibited surface tension and critical micelle concentration (CMC) comparable to those of the commercial surfactant sodium lauryl ether sulfate (SLES). Furthermore, the biodegradable surfactant GalA1.8 displayed excellent emulsifying properties and low skin irritation potential. On the l-Ara surfactant with a short chain, Ara1.6 has potential as a hydrotrope. These findings suggest that biobased surfactants derived from SBP monosaccharides have promising applications in various industries, including pharmaceuticals, cosmetics, detergents, and chemicals.
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Affiliation(s)
- Laura
M. Jansen
- Department
of Synthetic Organic Chemistry, Institute for Molecules and Materials, Radboud University, Nijmegen 6525 AJ, The Netherlands
| | - Kim W. M. van Rijbroek
- Department
of Synthetic Organic Chemistry, Institute for Molecules and Materials, Radboud University, Nijmegen 6525 AJ, The Netherlands
| | - Pieter C. den Bakker
- Department
of Synthetic Organic Chemistry, Institute for Molecules and Materials, Radboud University, Nijmegen 6525 AJ, The Netherlands
| | | | - Wiert J. B. Kolkman
- Department
of Synthetic Organic Chemistry, Institute for Molecules and Materials, Radboud University, Nijmegen 6525 AJ, The Netherlands
| | - Niek Venbrux
- Department
of Synthetic Organic Chemistry, Institute for Molecules and Materials, Radboud University, Nijmegen 6525 AJ, The Netherlands
| | - Vienna Migchielsen
- Department
of Synthetic Organic Chemistry, Institute for Molecules and Materials, Radboud University, Nijmegen 6525 AJ, The Netherlands
| | - Joost Hutzezon
- Department
of Synthetic Organic Chemistry, Institute for Molecules and Materials, Radboud University, Nijmegen 6525 AJ, The Netherlands
| | - Wouter B. Lenferink
- Department
of Microbiology, Radboud Institute for Biological and Environmental
Sciences, Radboud University, Nijmegen 6525 AJ, The Netherlands
| | - Sebastian Lücker
- Department
of Microbiology, Radboud Institute for Biological and Environmental
Sciences, Radboud University, Nijmegen 6525 AJ, The Netherlands
| | - Adeline Ranoux
- Cosun
RD&I, Cosun Innovation Center, Dinteloord 4671 VA, The Netherlands
| | | | - Thomas J. Boltje
- Department
of Synthetic Organic Chemistry, Institute for Molecules and Materials, Radboud University, Nijmegen 6525 AJ, The Netherlands
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6
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Hsu WH, Ku CL, Lai YR, Wang SSS, Chou SH, Lin TH. Developing targeted drug delivery carriers for breast cancer using glutathione-sensitive doxorubicin-coupled glycated bovine serum albumin nanoparticles. Int J Biol Macromol 2023; 249:126114. [PMID: 37541475 DOI: 10.1016/j.ijbiomac.2023.126114] [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: 05/15/2023] [Revised: 07/31/2023] [Accepted: 08/01/2023] [Indexed: 08/06/2023]
Abstract
Incorporation of the nano-based carriers into drug delivery provides a promising alternative to overcome the limitations of the conventional chemotherapy. Doxorubicin (DOXO) is an effective chemotherapeutic drug widely used in chemotherapy for breast cancer treatment. A globular protein bovine serum albumin (BSA) holds great potential as carriers in pharmaceutical applications. This work is aimed at developing the DOXO-coupled glycated BSA nanoparticles via desolvation method for improving the capability of targeting the GLUT5 transporters over-expressed on breast cancer cells. Fructosamine assay and Fourier transform infrared spectroscopy were employed to determine the content of fructosamine structure and structural changes on the surfaces of nanoparticles, respectively. Additionally, the synthesized BSA nanoparticles were further characterized by electron microscopy and dynamic light scattering. Results revealed that the DOXO-coupled glycated BSA nanoparticles were spherically shaped with a hydrodynamic diameter of ~60.74 nm and a ζ-potential of ~ - 42.20 mV. Moreover, the DOXO release behavior of as-synthesized DOXO-coupled glycated BSA nanoparticles was examined under different conditions. Finally, the DOXO-coupled glycated BSA nanoparticles were found to exhibit cytotoxicity toward both MCF-7 and MDA-MB-231 cells. Our findings evidently suggested that the drug-coupled glycated BSA nanoparticles serve as the potential candidates for targeted drug delivery platform used in breast cancer therapy.
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Affiliation(s)
- Wei-Hsiang Hsu
- Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Chien-Liang Ku
- Department of Life Science, Fu-Jen Catholic University, Xinzhuang Dist., New Taipei City 24205, Taiwan
| | - You-Ren Lai
- Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Steven S-S Wang
- Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan.
| | - Shiu-Huey Chou
- Department of Life Science, Fu-Jen Catholic University, Xinzhuang Dist., New Taipei City 24205, Taiwan.
| | - Ta-Hsien Lin
- Laboratory of Nuclear Magnetic Resonance, Department of Medical Research, Taipei Veterans General Hospital, Taipei 11217, Taiwan; Institute of Biochemistry and Molecular Biology, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan.
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7
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Pepe A, Laezza A, Ostuni A, Scelsi A, Laurita A, Bochicchio B. Bioconjugation of Carbohydrates to Gelatin Sponges Promoting 3D Cell Cultures. Biomimetics (Basel) 2023; 8:biomimetics8020193. [PMID: 37218779 DOI: 10.3390/biomimetics8020193] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 04/28/2023] [Accepted: 05/02/2023] [Indexed: 05/24/2023] Open
Abstract
Gelatin sponges are widely employed as hemostatic agents, and are gaining increasing interest as 3D scaffolds for tissue engineering. To broaden their possible application in the field of tissue engineering, a straightforward synthetic protocol able to anchor the disaccharides, maltose and lactose, for specific cell interactions was developed. A high conjugation yield was confirmed by 1H-NMR and FT-IR spectroscopy, and the morphology of the resulting decorated sponges was characterized by SEM. After the crosslinking reaction, the sponges preserve their porous structure as ascertained by SEM. Finally, HepG2 cells cultured on the decorated gelatin sponges show high viability and significant differences in the cellular morphology as a function of the conjugated disaccharide. More spherical morphologies are observed when cultured on maltose-conjugated gelatin sponges, while a more flattened aspect is discerned when cultured onto lactose-conjugated gelatin sponges. Considering the increasing interest in small-sized carbohydrates as signaling cues on biomaterial surfaces, systematic studies on how small carbohydrates might influence cell adhesion and differentiation processes could take advantage of the described protocol.
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Affiliation(s)
- Antonietta Pepe
- Laboratory of Protein-Inspired Biomaterials, Department of Science, University of Basilicata, Via Ateneo Lucano, 10, 85100 Potenza, Italy
| | - Antonio Laezza
- Laboratory of Protein-Inspired Biomaterials, Department of Science, University of Basilicata, Via Ateneo Lucano, 10, 85100 Potenza, Italy
| | - Angela Ostuni
- Cellular Biochemistry Laboratory, Department of Science, University of Basilicata, Via Ateneo Lucano, 10, 85100 Potenza, Italy
| | - Alessandra Scelsi
- Laboratory of Protein-Inspired Biomaterials, Department of Science, University of Basilicata, Via Ateneo Lucano, 10, 85100 Potenza, Italy
| | - Alessandro Laurita
- Microscopy Area, Department of Science, University of Basilicata, Via Ateneo Lucano, 10, 85100 Potenza, Italy
| | - Brigida Bochicchio
- Laboratory of Protein-Inspired Biomaterials, Department of Science, University of Basilicata, Via Ateneo Lucano, 10, 85100 Potenza, Italy
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8
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Fernandes SRG, Mohajershojai T, Lundsten S, Sarmento B, Tomé JPC, Nestor M, Jha P. Photoactive immunoconjugates for targeted photodynamic therapy of cancer. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2023; 243:112716. [PMID: 37126865 DOI: 10.1016/j.jphotobiol.2023.112716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 03/26/2023] [Accepted: 04/18/2023] [Indexed: 05/03/2023]
Abstract
Photodynamic therapy (PDT) has been used as an alternative or as a complement of conventional approaches for cancer treatment. In PDT, the reactive oxygen species (ROS) produced from the interaction between the photosensitizer (PS), visible light and molecular oxygen, kill malignant cells by triggering a cascade of cytotoxic reactions. In this process, the PS plays an extremely important role in the effectiveness of the therapy. In the present work, a new photoimmunoconjugate (PIC), based on cetuximab and the known third generation PS-glycophthalocyanine ZnPcGal4, was synthesized via reductive amination. The rationale behind this was the simultaneous cancer-associated specific targeting of PIC and photosensitization of targeted receptor positive cells. Varied reaction parameters and photodynamic conditions, such as PS concentrations and both type and intensities of light, were optimized. ZnPcGal4 showed significant photoactivity against EGFR expressing A431, EGFR-transfected HCT116 and HT29 cells when irradiated with white light of stronger intensity (38 mW/cm2). Similarly, the synthesized PICs-T1 and T2 also demonstrated photoactivity with high intensity white light. The best optimized PIC: sample 28 showed no precipitation and aggregation when inspected visually and analyzed through SE-HPLC. Fluorescence excitation of sample 28 and 125I-sample 28 radioconjugate (125I-PIC, 125I-radiolabeling yield ≥95%, determined with ITLC) at 660 nm showed presence of appended ZnPcGal4. In addition, simultaneous fluorescence and radioactivity detection of the 125I-PIC in serum and PBS (pH 7.4) for the longest incubated time point of 72 h, respectively, and superimposed signals thereof demonstrated ≥99% of loading and/or labeling yield, assuring overall stability of the PIC and corresponding PIC-radioconjugate w.r.t. both the appended ZnPcGal4 and bound-125I. Moreover, real-time binding analyses on EGFR-transfected HCT116 cells showed specific binding of 125I-PIC, suggesting no alternation in the binding kinetics of the mAb after appending it with ZnPcGal4. These results suggest dual potential applications of synthesized PICs both for PDT and radio-immunotherapy of cancer.
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Affiliation(s)
- Sara R G Fernandes
- Centro de Química Estrutural, Institute of Molecular Sciences & Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal; INEB - Instituto Nacional de Engenharia Biomédica, University of Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala 751 85, Sweden
| | - Tabassom Mohajershojai
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala 751 85, Sweden
| | - Sara Lundsten
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala 751 85, Sweden; Ridgeview Instruments AB, Uppsala University, Uppsala 752 37, Sweden
| | - Bruno Sarmento
- INEB - Instituto Nacional de Engenharia Biomédica, University of Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; i3S - Instituto de Investigação e Inovação em Saúde, University of Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; CESPU, Instituto Universitário de Ciências da Saúde, Rua Central de Gandra, 1317, 4585-116 Gandra, Portugal.
| | - João P C Tomé
- Centro de Química Estrutural, Institute of Molecular Sciences & Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal.
| | - Marika Nestor
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala 751 85, Sweden.
| | - Preeti Jha
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala 751 85, Sweden; Department of Medicinal Chemistry, Biomedical Centre, Uppsala University, Uppsala 75123, Sweden; Department of Radiology, University of Texas Southwestern Medical Centre, Dallas, TX 75390, United States.
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9
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Sharma K, Sharma KK, Mahindra A, Sehra N, Bagra N, Aaghaz S, Parmar R, Rathod GK, Jain R. Design, synthesis, and applications of ring-functionalized histidines in peptide-based medicinal chemistry and drug discovery. Med Res Rev 2023. [PMID: 36710510 DOI: 10.1002/med.21936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 12/12/2022] [Accepted: 01/06/2023] [Indexed: 01/31/2023]
Abstract
Modified and synthetic α-amino acids are known to show diverse applications. Histidine, which possesses numerous applications when subjected to synthetic modifications, is one such amino acid. The utility of modified histidines varies widely from remarkable biological activities to catalysis, and from nanotechnology to polymer chemistry. This renders histidine residue an important place in scientific research. Histidine is a well-studied scaffold and constitutes the active site of various enzymes catalyzing important reactions in the biological systems. A rational modification in histidine structure with a distinctly developed protocol extensively changes its physical and chemical properties. The utilization of modified histidines in search of potent, target selective and proteostable scaffolds is vital in the development of bioactive peptides with enhanced drug-likeliness. This review is a compilation and analysis of reported side-chain ring modifications at histidine followed by applications of ring-modified histidines in the synthesis of various categories of bioactive peptides and peptidomimetics.
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Affiliation(s)
- Komal Sharma
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Nagar, Punjab, India
| | - Krishna K Sharma
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Nagar, Punjab, India
| | - Amit Mahindra
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Nagar, Punjab, India
| | - Naina Sehra
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Nagar, Punjab, India
| | - Nitin Bagra
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Nagar, Punjab, India
| | - Shams Aaghaz
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Nagar, Punjab, India
| | - Rajesh Parmar
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Nagar, Punjab, India
| | - Gajanan K Rathod
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Nagar, Punjab, India
| | - Rahul Jain
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Nagar, Punjab, India
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10
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Giammona G, Drago SE, Calabrese G, Varvarà P, Rizzo MG, Mauro N, Nicotra G, Conoci S, Pitarresi G. Galactosylated Polymer/Gold Nanorods Nanocomposites for Sustained and Pulsed Chemo-Photothermal Treatments of Hepatocarcinoma. Pharmaceutics 2022; 14:pharmaceutics14112503. [PMID: 36432694 PMCID: PMC9696514 DOI: 10.3390/pharmaceutics14112503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/07/2022] [Accepted: 11/17/2022] [Indexed: 11/19/2022] Open
Abstract
In this paper, we propose a rational design of a hybrid nanosystem capable of locally delivering a high amount of hydrophobic anticancer drugs (sorafenib or lenvatinib) and heat (hyperthermia) in a remote-controlled manner. We combined in a unique nanosystem the excellent NIR photothermal conversion of gold nanorods (AuNRs) with the ability of a specially designed galactosylated amphiphilic graft copolymer (PHEA-g-BIB-pButMA-g-PEG-GAL) able to recognize hepatic cells overexpressing the asialoglycoprotein receptor (ASGPR) on their membranes, thus giving rise to a smart composite nanosystem for the NIR-triggered chemo-phototherapy of hepatocarcinoma. In order to allow the internalization of AuNRs in the hydrophobic core of polymeric nanoparticles, AuNRs were coated with a thiolated fatty acid (12-mercaptododecanoic acid). The drug-loaded hybrid nanoparticles were prepared by the nanoprecipitation method, obtaining nanoparticles of about 200 nm and drug loadings of 9.0 and 5.4% w/w for sorafenib and lenvatinib, respectively. These multifunctional nanosystems have shown to convert NIR radiation into heat and release charged drugs in a remote-controlled manner. Then, the biocompatibility and synergistic effects of a chemo-phototherapy combination, as well the receptor-mediated internalization, were evaluated by an in vitro test on HepG2, HuH7, and NHDF. The results indicate that the proposed nanoparticles can be considered to be virtuous candidates for an efficient and selective dual-mode therapy of hepatocarcinoma.
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Affiliation(s)
- Gaetano Giammona
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Salvatore Emanuele Drago
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Giovanna Calabrese
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d’Alcontres 31, 98168 Messina, Italy
| | - Paola Varvarà
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Maria Giovanna Rizzo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d’Alcontres 31, 98168 Messina, Italy
| | - Nicolò Mauro
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Giuseppe Nicotra
- Istituto per la Microelettronica e Microsistemi, Consiglio Nazionale delle Ricerche (CNR-IMM) 95121 Catania, Italy
| | - Sabrina Conoci
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d’Alcontres 31, 98168 Messina, Italy
- Istituto per la Microelettronica e Microsistemi, Consiglio Nazionale delle Ricerche (CNR-IMM) 95121 Catania, Italy
- Department of Chemistry ‘‘Giacomo Ciamician’’, University of Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - Giovanna Pitarresi
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy
- Correspondence: ; Tel.: +39-091-23891954
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11
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Innovative process for facile dextran-bovine serum albumin conjugate synthesis: Mechanism, kinetics, and characterization. Carbohydr Polym 2022; 295:119850. [DOI: 10.1016/j.carbpol.2022.119850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 07/04/2022] [Accepted: 07/05/2022] [Indexed: 11/17/2022]
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12
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Jamshidi MP, Cairns C, Chong S, St Michael F, Vinogradov EV, Cox AD, Sauvageau J. Synthesis and Immunogenicity of a Methyl Rhamnan Pentasaccharide Conjugate from Pseudomonas aeruginosa A-Band Polysaccharide. ACS Infect Dis 2022; 8:1347-1355. [PMID: 35674342 DOI: 10.1021/acsinfecdis.2c00184] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Pseudomonas aeruginosa was added to the World Health Organization's priority pathogen list for research and development of new antibiotics in 2017. Alongside the development of new antibiotics to fight antimicrobial-resistant P. aeruginosa, vaccines would be an appealing addition to the toolbox health professionals have against this bacteria, which causes life-threatening respiratory infections. Recently, the structure of a novel immunogenic terminal carbohydrate moiety on the cell surface of P. aeruginosa was elucidated, consisting of a 3-O-methyl (1→4)-α-d-rhamnan pentasaccharide. As isolating this oligosaccharide from P. aeruginosa in sufficient amounts for producing a conjugate vaccine is challenging, herein we describe the synthesis of 3-O-methyl d-rhamnose oligosaccharide. We also report the conjugation of the synthetic pentasaccharide to human serum albumin and its resulting immunogenicity.
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Affiliation(s)
- Mohammad P Jamshidi
- Vaccine and Emerging Infections Research, Human Health Therapeutics Research Centre, National Research Council, Ottawa, ON K1A 0R6, Canada
| | - Chantelle Cairns
- Vaccine and Emerging Infections Research, Human Health Therapeutics Research Centre, National Research Council, Ottawa, ON K1A 0R6, Canada
| | - Simon Chong
- Vaccine and Emerging Infections Research, Human Health Therapeutics Research Centre, National Research Council, Ottawa, ON K1A 0R6, Canada
| | - Frank St Michael
- Vaccine and Emerging Infections Research, Human Health Therapeutics Research Centre, National Research Council, Ottawa, ON K1A 0R6, Canada
| | - Evgeny V Vinogradov
- Vaccine and Emerging Infections Research, Human Health Therapeutics Research Centre, National Research Council, Ottawa, ON K1A 0R6, Canada
| | - Andrew D Cox
- Vaccine and Emerging Infections Research, Human Health Therapeutics Research Centre, National Research Council, Ottawa, ON K1A 0R6, Canada
| | - Janelle Sauvageau
- Vaccine and Emerging Infections Research, Human Health Therapeutics Research Centre, National Research Council, Ottawa, ON K1A 0R6, Canada
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13
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Miura T, Kawano M, Takahashi K, Yuasa N, Habu M, Kimura F, Imamura T, Nakayama F. High-Sulfated Hyaluronic Acid Ameliorates Radiation-Induced Intestinal Damage Without Blood Anticoagulation. Adv Radiat Oncol 2022; 7:100900. [PMID: 35295873 PMCID: PMC8918722 DOI: 10.1016/j.adro.2022.100900] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 01/13/2022] [Indexed: 12/29/2022] Open
Abstract
Purpose Many growth factors, such as fibroblast growth factors (FGFs), are useful for the treatment or prevention of radiation damage after radiation therapy. Although heparin can be supplemented to increase the therapeutic effects of FGFs, it possesses strong anticoagulant effects, which limit its potential for clinical use. Therefore, chemically sulfated hyaluronic acid (HA) was developed as a safe alternative to heparin. This study examined the involvement of sulfated HA in radioprotective and anticoagulant effects. Methods and Materials FGF1 was administered intraperitoneally to BALB/c mice with sulfated HA 24 hours before or after total body irradiation with γ-rays. Several radioprotective effects were examined in the jejunum. The blood coagulation time in the presence of sulfated HA was measured using murine whole blood. Results FGF1 with high-sulfated HA (HA-HS) exhibited almost the same level of in vitro mitogenic activity as heparin, whereas FGF1 with HA or low-sulfated HA exhibited almost no mitogenic activity. Furthermore, HA-HS had high binding capability with FGF1. FGF1 with HA-HS significantly promoted crypt survival to the same level as heparin after total body irradiation and reduced radiation-induced apoptosis in crypt cells. Moreover, pretreatment of HA-HS without FGF1 also increased crypt survival and reduced apoptosis. Crypt survival with FGF1 in the presence of HA depended on the extent of sulfation of HA. Moreover, the blood anticoagulant effects of sulfated HA were weaker than those of heparin. As sulfated HA did not promote the reactivity of antithrombin III to thrombin, it did not increase anticoagulative effects to the same extent as heparin. Conclusions This study suggested that HA-HS promotes the radioprotective effects of FGF1 without anticoagulant effects. HA-HS has great potential for practical use to promote tissue regeneration after radiation damage.
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Affiliation(s)
- Taichi Miura
- Regenerative Therapy Research Group, Department of Radiation Regulatory Science Research, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum Science and Technology (QST), Chiba, Japan
| | - Mitsuko Kawano
- Regenerative Therapy Research Group, Department of Radiation Regulatory Science Research, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum Science and Technology (QST), Chiba, Japan
| | - Keiko Takahashi
- Regenerative Therapy Research Group, Department of Radiation Regulatory Science Research, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum Science and Technology (QST), Chiba, Japan
| | | | - Masato Habu
- Tokyo Chemical Industry Co, Ltd (TCI), Tokyo, Japan
| | - Fumie Kimura
- Tokyo Chemical Industry Co, Ltd (TCI), Tokyo, Japan
| | - Toru Imamura
- Regenerative Therapy Research Group, Department of Radiation Regulatory Science Research, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum Science and Technology (QST), Chiba, Japan
- School of Bioscience and Biotechnology, Tokyo University of Technology, Hachioji, Japan
| | - Fumiaki Nakayama
- Regenerative Therapy Research Group, Department of Radiation Regulatory Science Research, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum Science and Technology (QST), Chiba, Japan
- Corresponding author: Fumiaki Nakayama, MD, PhD
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14
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Homo- and Heterogeneous Glycoconjugates on the Basis of N-Glycans and Human Serum Albumin: Synthesis and Biological Evaluation. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27041285. [PMID: 35209074 PMCID: PMC8877828 DOI: 10.3390/molecules27041285] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 02/08/2022] [Accepted: 02/10/2022] [Indexed: 11/17/2022]
Abstract
Neoglycoconjugates mimicking natural compounds and possessing a variety of biological functions are very successful tools for researchers to understand the general mechanisms of many biological processes in living organisms. These substances are characterized by high biotolerance and specificity, with low toxicity. Due to the difficult isolation of individual glycoclusters from biological objects, special interest has been directed toward synthetic analogs. This review is mainly focused on the one-pot, double-click methodology (containing alkyne–azide click cycloaddition with the following 6π-azaelectrocyclization reactions) used in the synthesis of N-glycoconjugates. Homogeneous (including one type of biantennary N-glycan fragments) and heterogeneous (containing two to four types of biantennary N-glycan fragments) glycoclusters on albumin were synthesized via this strategy. A series of cell-, tissue- and animal-based experiments proved glycoclusters to be a very promising class of targeted delivery systems. Depending on the oligosaccharide units combined in the cluster, their amount, and arrangement relative to one another, conjugates can recognize various cells, including cancer cells, with high selectivity. These results open new perspectives for affected tissue visualization and treatment.
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15
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Sornay C, Vaur V, Wagner A, Chaubet G. An overview of chemo- and site-selectivity aspects in the chemical conjugation of proteins. ROYAL SOCIETY OPEN SCIENCE 2022; 9:211563. [PMID: 35116160 PMCID: PMC8790347 DOI: 10.1098/rsos.211563] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 12/20/2021] [Indexed: 05/03/2023]
Abstract
The bioconjugation of proteins-that is, the creation of a covalent link between a protein and any other molecule-has been studied for decades, partly because of the numerous applications of protein conjugates, but also due to the technical challenge it represents. Indeed, proteins possess inner physico-chemical properties-they are sensitive and polynucleophilic macromolecules-that make them complex substrates in conjugation reactions. This complexity arises from the mild conditions imposed by their sensitivity but also from selectivity issues, viz the precise control of the conjugation site on the protein. After decades of research, strategies and reagents have been developed to address two aspects of this selectivity: chemoselectivity-harnessing the reacting chemical functionality-and site-selectivity-controlling the reacting amino acid residue-most notably thanks to the participation of synthetic chemistry in this effort. This review offers an overview of these chemical bioconjugation strategies, insisting on those employing native proteins as substrates, and shows that the field is active and exciting, especially for synthetic chemists seeking new challenges.
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Affiliation(s)
- Charlotte Sornay
- Bio-Functional Chemistry (UMR 7199), LabEx Medalis, University of Strasbourg, 74 Route du Rhin, Illkirch-Graffenstaden 67400, France
| | - Valentine Vaur
- Bio-Functional Chemistry (UMR 7199), LabEx Medalis, University of Strasbourg, 74 Route du Rhin, Illkirch-Graffenstaden 67400, France
| | - Alain Wagner
- Bio-Functional Chemistry (UMR 7199), LabEx Medalis, University of Strasbourg, 74 Route du Rhin, Illkirch-Graffenstaden 67400, France
| | - Guilhem Chaubet
- Bio-Functional Chemistry (UMR 7199), LabEx Medalis, University of Strasbourg, 74 Route du Rhin, Illkirch-Graffenstaden 67400, France
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16
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Chemical Modification of Glycosaminoglycan Polysaccharides. Molecules 2021; 26:molecules26175211. [PMID: 34500644 PMCID: PMC8434129 DOI: 10.3390/molecules26175211] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/20/2021] [Accepted: 08/21/2021] [Indexed: 12/16/2022] Open
Abstract
The linear anionic class of polysaccharides, glycosaminoglycans (GAGs), are critical throughout the animal kingdom for developmental processes and the maintenance of healthy tissues. They are also of interest as a means of influencing biochemical processes. One member of the GAG family, heparin, is exploited globally as a major anticoagulant pharmaceutical and there is a growing interest in the potential of other GAGs for diverse applications ranging from skin care to the treatment of neurodegenerative conditions, and from the treatment and prevention of microbial infection to biotechnology. To realize the potential of GAGs, however, it is necessary to develop effective tools that are able to exploit the chemical manipulations to which GAGs are susceptible. Here, the current knowledge concerning the chemical modification of GAGs, one of the principal approaches for the study of the structure-function relationships in these molecules, is reviewed. Some additional methods that were applied successfully to the analysis and/or processing of other carbohydrates, but which could be suitable in GAG chemistry, are also discussed.
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17
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Walther R, Monge P, Pedersen AB, Benderoth A, Pedersen JN, Farzadfard A, Mandrup OA, Howard KA, Otzen DE, Zelikin AN. Per-glycosylation of the Surface-Accessible Lysines: One-Pot Aqueous Route to Stabilized Proteins with Native Activity. Chembiochem 2021; 22:2478-2485. [PMID: 33998129 DOI: 10.1002/cbic.202100228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Indexed: 11/11/2022]
Abstract
Chemical glycosylation of proteins is a powerful tool applied widely in biomedicine and biotechnology. However, it is a challenging undertaking and typically relies on recombinant proteins and site-specific conjugations. The scope and utility of this nature-inspired methodology would be broadened tremendously by the advent of facile, scalable techniques in glycosylation, which are currently missing. In this work, we investigated a one-pot aqueous protocol to achieve indiscriminate, surface-wide glycosylation of the surface accessible amines (lysines and/or N-terminus). We reveal that this approach afforded minimal if any change in the protein activity and recognition events in biochemical and cell culture assays, but at the same time provided a significant benefit of stabilizing proteins against aggregation and fibrillation - as demonstrated on serum proteins (albumins and immunoglobulin G, IgG), an enzyme (uricase), and proteins involved in neurodegenerative disease (α-synuclein) and diabetes (insulin). Most importantly, this highly advantageous result was achieved via a one-pot aqueous protocol performed on native proteins, bypassing the use of complex chemical methodologies and recombinant proteins.
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Affiliation(s)
- Raoul Walther
- Department of Chemistry, Aarhus University, Aarhus, 8000, Denmark
| | - Pere Monge
- Department of Chemistry, Aarhus University, Aarhus, 8000, Denmark
| | | | - Anja Benderoth
- Department of Chemistry, Aarhus University, Aarhus, 8000, Denmark
| | | | - Azad Farzadfard
- Interdisciplinary Nanoscience Centre (iNANO), Aarhus University, Aarhus, 8000, Denmark
| | - Ole A Mandrup
- Interdisciplinary Nanoscience Centre (iNANO), Aarhus University, Aarhus, 8000, Denmark
| | - Kenneth A Howard
- Interdisciplinary Nanoscience Centre (iNANO), Aarhus University, Aarhus, 8000, Denmark
- Department of Molecular Biology and Genetics, Aarhus University, Aarhus, 8000, Denmark
| | - Daniel E Otzen
- Interdisciplinary Nanoscience Centre (iNANO), Aarhus University, Aarhus, 8000, Denmark
- Department of Molecular Biology and Genetics, Aarhus University, Aarhus, 8000, Denmark
| | - Alexander N Zelikin
- Department of Chemistry, Aarhus University, Aarhus, 8000, Denmark
- Interdisciplinary Nanoscience Centre (iNANO), Aarhus University, Aarhus, 8000, Denmark
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18
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Huang YB, Cai W, Del Rio Flores A, Twigg FF, Zhang W. Facile Discovery and Quantification of Isonitrile Natural Products via Tetrazine-Based Click Reactions. Anal Chem 2019; 92:599-602. [PMID: 31815449 DOI: 10.1021/acs.analchem.9b05147] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A facile method for the quick discovery and quantification of isonitrile compounds from microbial cultures was established based on the isonitrile-tetrazine click reaction. This method was successfully applied to the rediscovery of diisonitrile antibotic SF2768 from an unknown strain Streptomyces tsukubensis. Finally, an in situ reduction further enabled bioorthogonal ligation of primary and secondary isonitriles for the first time.
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Affiliation(s)
- Yao-Bing Huang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources , Nanjing Forestry University , Nanjing 210037 , China.,Department of Chemical and Biomolecular Engineering , University of California , Berkeley , California 94720 , United States
| | - Wenlong Cai
- Department of Chemical and Biomolecular Engineering , University of California , Berkeley , California 94720 , United States
| | - Antonio Del Rio Flores
- Department of Chemical and Biomolecular Engineering , University of California , Berkeley , California 94720 , United States
| | - Frederick F Twigg
- Department of Chemical and Biomolecular Engineering , University of California , Berkeley , California 94720 , United States
| | - Wenjun Zhang
- Department of Chemical and Biomolecular Engineering , University of California , Berkeley , California 94720 , United States
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19
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Highly sulfated hyaluronic acid maintains human induced pluripotent stem cells under feeder-free and bFGF-free conditions. Biochem Biophys Res Commun 2019; 518:506-512. [PMID: 31439376 DOI: 10.1016/j.bbrc.2019.08.082] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 08/14/2019] [Indexed: 12/12/2022]
Abstract
Human induced pluripotent stem (hiPS) cells are attracting attention as a tool for regenerative medicine. However, several problems need to be overcome for their widespread and safe use, for example, the high cost of maintaining hiPS cells and the possibility of xenogeneic cell contamination in hiPS cell cultures. One of the main contributors to the high cost of maintaining hiPS cells is basic fibroblast growth factor (bFGF), which is essential for such cultures. Xenogeneic contamination can occur because of the use of mouse-derived feeder cells to culture hiPS cells. To overcome the problems of cell culture cost and xenogeneic contamination, we have developed a novel culture method in which the undifferentiated state and pluripotency of hiPS cells can be maintained under feeder-free and bFGF-free conditions. Our new approach involves the addition to the culture medium of highly sulfated hyaluronic acid (HA-HS), in which the hydroxyl groups of d-glucuronic acid (GlcA) and N-acetyl-d-glucosamine (GlcNAc) are chemically sulfated. HA-HS promotes bFGF signaling and maintains the undifferentiated state and pluripotency of hiPS cells under feeder-free and bFGF-free conditions. By contrast, non-sulfated hyaluronic acid and low sulfated hyaluronic acid do not maintain the undifferentiated state and pluripotency of hiPS cells. These results indicate that the maintenance of hiPS cells under feeder-free and bFGF-free conditions is an HA-HS specific effect. This study is the first to demonstrate the effects of sulfated hyaluronic acid on mammalian pluripotent stem cells, and provides a novel method for maintaining hiPS cells using HA-HS.
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20
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Sarkar B, Mahapa A, Chatterji D, Jayaraman N. Sugar Vinyl Sulfoxide Glycoconjugation of Peptides and Lysozyme: Abrogation of Proteolysis at the Lysine Sites. Biochemistry 2019; 58:3561-3565. [DOI: 10.1021/acs.biochem.9b00436] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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21
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Wang D, Yu M, Liu N, Lian C, Hou Z, Wang R, Zhao R, Li W, Jiang Y, Shi X, Li S, Yin F, Li Z. A sulfonium tethered peptide ligand rapidly and selectively modifies protein cysteine in vicinity. Chem Sci 2019; 10:4966-4972. [PMID: 31183045 PMCID: PMC6530539 DOI: 10.1039/c9sc00034h] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 03/24/2019] [Indexed: 01/06/2023] Open
Abstract
Significant efforts have been invested to develop site-specific protein modification methodologies in the past two decades. In most cases, a reactive moiety was installed onto ligands with the sole purpose of reacting with specific residues in proteins. Herein, we report a unique peptide macrocyclization method via the bis-alkylation between methionine and cysteine to generate cyclic peptides with significantly enhanced stability and cellular uptake. Notably, when the cyclized peptide ligand selectively recognizes its protein target with a proximate cysteine, a rapid nucleophilic substitution could occur between the protein Cys and the sulfonium center on the peptide to form a conjugate. The conjugation reaction is rapid, facile and selective, triggered solely by proximity. The high target specificity is further proved in cell lysate and hints at its further application in activity based protein profiling. This method enhances the peptide's biophysical properties and generates a selective ligand-directed reactive site for protein modification and fulfills multiple purposes by one modification. This proof-of-concept study reveals its potential for further broad biological applications.
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Affiliation(s)
- Dongyuan Wang
- State Key Laboratory of Chemical Oncogenomics , School of Chemical Biology and Biotechnology , Peking University Shenzhen Graduate School , Shenzhen , 518055 , China . ;
| | - Mengying Yu
- State Key Laboratory of Chemical Oncogenomics , School of Chemical Biology and Biotechnology , Peking University Shenzhen Graduate School , Shenzhen , 518055 , China . ;
| | - Na Liu
- State Key Laboratory of Chemical Oncogenomics , School of Chemical Biology and Biotechnology , Peking University Shenzhen Graduate School , Shenzhen , 518055 , China . ;
| | - Chenshan Lian
- State Key Laboratory of Chemical Oncogenomics , School of Chemical Biology and Biotechnology , Peking University Shenzhen Graduate School , Shenzhen , 518055 , China . ;
| | - Zhanfeng Hou
- State Key Laboratory of Chemical Oncogenomics , School of Chemical Biology and Biotechnology , Peking University Shenzhen Graduate School , Shenzhen , 518055 , China . ;
| | - Rui Wang
- Department of Biomedical Sciences , City University of Hong Kong , Kowloon , Hong Kong .
| | - Rongtong Zhao
- State Key Laboratory of Chemical Oncogenomics , School of Chemical Biology and Biotechnology , Peking University Shenzhen Graduate School , Shenzhen , 518055 , China . ;
| | - Wenjun Li
- State Key Laboratory of Chemical Oncogenomics , School of Chemical Biology and Biotechnology , Peking University Shenzhen Graduate School , Shenzhen , 518055 , China . ;
| | - Yixiang Jiang
- State Key Laboratory of Chemical Oncogenomics , School of Chemical Biology and Biotechnology , Peking University Shenzhen Graduate School , Shenzhen , 518055 , China . ;
| | - Xiaodong Shi
- State Key Laboratory of Chemical Oncogenomics , School of Chemical Biology and Biotechnology , Peking University Shenzhen Graduate School , Shenzhen , 518055 , China . ;
| | - Shuiming Li
- College of Life Sciences and Oceanography , Shenzhen University , Shenzhen , 518055 , China .
| | - Feng Yin
- State Key Laboratory of Chemical Oncogenomics , School of Chemical Biology and Biotechnology , Peking University Shenzhen Graduate School , Shenzhen , 518055 , China . ;
| | - Zigang Li
- State Key Laboratory of Chemical Oncogenomics , School of Chemical Biology and Biotechnology , Peking University Shenzhen Graduate School , Shenzhen , 518055 , China . ;
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22
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Trieger GW, Verespy S, Gordts PLSM, Godula K. Efficient Synthesis of Heparinoid Bioconjugates for Tailoring FGF2 Activity at the Stem Cell-Matrix Interface. Bioconjug Chem 2019; 30:833-840. [PMID: 30668905 DOI: 10.1021/acs.bioconjchem.8b00921] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Heparan sulfate glycosaminoglycans (HS GAGs) attached to proteoglycans harbor high affinity binding sites for various growth factors (GFs) and direct their organization and activity across the cell-matrix interface. Here, we describe a mild and efficient method for generating HS-protein conjugates. The two-step process utilizes a "copper-free click" coupling between differentially sulfated heparinoids primed at their reducing end with an azide handle and a bovine serum albumin protein modified with complementary cyclooctyne functionality. When adsorbed on tissue culture substrates, the glycoconjugates served as extracellular matrix proteoglycan models with the ability to sequester FGF2 and influence mesenchymal stem cell proliferation based on the structure of their HS GAG component.
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Affiliation(s)
- Greg W Trieger
- Department of Chemistry and Biochemistry , University of California San Diego , 9500 Gilman Drive , La Jolla , California 92093-0358 , United States
| | - Stephen Verespy
- Department of Chemistry and Biochemistry , University of California San Diego , 9500 Gilman Drive , La Jolla , California 92093-0358 , United States
| | | | - Kamil Godula
- Department of Chemistry and Biochemistry , University of California San Diego , 9500 Gilman Drive , La Jolla , California 92093-0358 , United States
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Direct immobilization of sugar probes on bovine serum albumin-coated gold substrate for the development of glycan biosensors. Biointerphases 2019; 14:011003. [PMID: 30727738 DOI: 10.1116/1.5082005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Glycan biosensors based on surface plasmon resonance (SPR) spectroscopy have attracted a great deal of interest due to their potential applications in numerous biological and biomedical fields. Controlled immobilization of sugar probes on a gold substrate is believed to be critical for the performance of these SPR biosensors. In this regard, herein the authors report a direct coupling of mannose probes with bovine serum albumin (BSA) layer on the gold substrate via a squaric acid-mediated reaction under mild conditions, in which the BSA layer provides not only reactive amine groups but also a nonfouling surface property. SPR measurements show that the resultant biosensor with an appropriate amount of mannose probes exhibits high affinity to its corresponding lectin (i.e., concanavalin A) and at the same time could resist nonspecific adsorption of other lectins. The limit of detection of the current SPR biosensor is 1.9 nM. Thus, the squaric acid-mediated immobilization strategy appears to be effective and useful for the fabrication of bioanalytical devices.
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Affiliation(s)
- Seiji SAKAMOTO
- Graduate School of Engineering, Department of Synthetic Chemistry and Biological Chemistry, Kyoto University
| | - Itaru HAMACHI
- Graduate School of Engineering, Department of Synthetic Chemistry and Biological Chemistry, Kyoto University
- ERATO Innovative Molecular Technology for Neuroscience Project, Japan Science and Technology Agency (JST)
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25
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Duan H, Donovan M, Foucher A, Schultze X, Lecommandoux S. Multivalent and multifunctional polysaccharide-based particles for controlled receptor recognition. Sci Rep 2018; 8:14730. [PMID: 30283149 PMCID: PMC6170371 DOI: 10.1038/s41598-018-32994-y] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 09/18/2018] [Indexed: 02/06/2023] Open
Abstract
Polysaccharides represent a versatile class of building blocks that are used in macromolecular design. By choosing the appropriate saccharide block, various physico-chemical and biological properties can be introduced both at the level of the polymer chains and the resulting self-assembled nanostructures. Here, we synthetized amphiphilic diblock copolymers combining a hydrophobic and helical poly(γ-benzyl-L-glutamate) PBLG and two polysaccharides, namely hyaluronic acid (HA) and laminarin (LAM). The copolymers could self-assemble to form particles in water by nanoprecipitation. In addition, hybrid particles containing both HA and LAM in different ratios were obtained by co-nanoprecipitation of the two copolymers. By controlling the self-assembly process, five particle samples with different morphologies and compositions were developed. The interaction between the particles and biologically relevant proteins for HA and LAM, namely CD44 and Dectin-1 respectively, was evaluated by surface plasmon resonance (SPR). We demonstrated that the particle-protein interaction could be modulated by the particle structure and composition. It is therefore suggested that this method based on nanoprecipitation is a practical and versatile way to obtain particles with controllable interactions with proteins, hence with the appropriate biological properties for biomedical applications such as drug delivery.
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Affiliation(s)
- Haohao Duan
- L'Oréal recherche avancée, 1 avenue Eugène Schueller, 93600, Aulnay-sous-Bois, France
- Laboratoire de Chimie des Polymères Organiques, CNRS, Université de Bordeaux INP/ENSCBP, 16 avenue Pey Berland, 33600, Pessac, France
| | - Mark Donovan
- L'Oréal recherche avancée, 1 avenue Eugène Schueller, 93600, Aulnay-sous-Bois, France
| | - Aude Foucher
- L'Oréal recherche avancée, 1 avenue Eugène Schueller, 93600, Aulnay-sous-Bois, France
| | - Xavier Schultze
- L'Oréal recherche avancée, 1 avenue Eugène Schueller, 93600, Aulnay-sous-Bois, France
| | - Sebastien Lecommandoux
- Laboratoire de Chimie des Polymères Organiques, CNRS, Université de Bordeaux INP/ENSCBP, 16 avenue Pey Berland, 33600, Pessac, France.
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26
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Partyka J, Krenkova J, Cmelik R, Foret F. Multi-charged labeling of oligosaccharides and N-linked glycans by hexahistidine-based tags for capillary electrophoresis-mass spectrometry analysis. J Chromatogr A 2018; 1560:91-96. [DOI: 10.1016/j.chroma.2018.05.030] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 05/09/2018] [Accepted: 05/14/2018] [Indexed: 12/11/2022]
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27
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Chilamari M, Kalra N, Shukla S, Rai V. Single-site labeling of lysine in proteins through a metal-free multicomponent approach. Chem Commun (Camb) 2018; 54:7302-7305. [DOI: 10.1039/c8cc03311k] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Precise protein engineering is achieved using a metal-free multicomponent approach. It enables the installation of probes and the synthesis of antibody–drug conjugates.
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Affiliation(s)
| | - Neetu Kalra
- Department of Biological Sciences
- Indian Institute of Science Education and Research Bhopal
- Bhopal
- India
| | - Sanjeev Shukla
- Department of Biological Sciences
- Indian Institute of Science Education and Research Bhopal
- Bhopal
- India
| | - Vishal Rai
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhopal
- India
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28
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Laaf D, Bojarová P, Pelantová H, Křen V, Elling L. Tailored Multivalent Neo-Glycoproteins: Synthesis, Evaluation, and Application of a Library of Galectin-3-Binding Glycan Ligands. Bioconjug Chem 2017; 28:2832-2840. [PMID: 28976746 DOI: 10.1021/acs.bioconjchem.7b00520] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Galectin-3 (Gal-3), a member of the β-galactoside-binding lectin family, is a tumor biomarker and involved in tumor angiogenesis and metastasis. Gal-3 is therefore considered as a promising target for early cancer diagnosis and anticancer therapy. We here present the synthesis of a library of tailored multivalent neo-glycoproteins and evaluate their Gal-3 binding properties. By the combinatorial use of glycosyltransferases and chemo-enzymatic reactions, we first synthesized a set of N-acetyllactosamine (Galβ1,4GlcNAc; LacNAc type 2)-based oligosaccharides featuring five different terminating glycosylation epitopes, respectively. Neo-glycosylation of bovine serum albumin (BSA) was accomplished by dialkyl squarate coupling to lysine residues resulting in a library of defined multivalent neo-glycoproteins. Solid-phase binding assays with immobilized neo-glycoproteins revealed distinct affinity and specificity of the multivalent glycan epitopes for Gal-3 binding. In particular, neo-glycoproteins decorated with N',N″-diacetyllactosamine (GalNAcβ1,4GlcNAc; LacdiNAc) epitopes showed high selectivity and were demonstrated to capture Gal-3 from human serum with high affinity. Furthermore, neo-glycoproteins with terminal biotinylated LacNAc glycan motif could be utilized as Gal-3 detection agents in a sandwich enzyme-linked immunosorbent assay format. We conclude that, in contrast to antibody-based capture steps, the presented neo-glycoproteins are highly useful to detect functionally intact Gal-3 with high selectivity and avidity. We further gain novel insights into the binding affinity of Gal-3 using tailored multivalent neo-glycoproteins, which have the potential for an application in the context of cancer-related biomedical research.
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Affiliation(s)
- Dominic Laaf
- Laboratory for Biomaterials, Institute for Biotechnology and Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University , Pauwelsstrasse 20, 52074 Aachen, Germany
| | - Pavla Bojarová
- Institute of Microbiology, Czech Academy of Sciences , Vídeňská 1083, 14220 Prague, Czech Republic
| | - Helena Pelantová
- Institute of Microbiology, Czech Academy of Sciences , Vídeňská 1083, 14220 Prague, Czech Republic
| | - Vladimír Křen
- Institute of Microbiology, Czech Academy of Sciences , Vídeňská 1083, 14220 Prague, Czech Republic
| | - Lothar Elling
- Laboratory for Biomaterials, Institute for Biotechnology and Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University , Pauwelsstrasse 20, 52074 Aachen, Germany
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29
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Gibadullin R, Farnsworth DW, Barchi JJ, Gildersleeve JC. GalNAc-Tyrosine Is a Ligand of Plant Lectins, Antibodies, and Human and Murine Macrophage Galactose-Type Lectins. ACS Chem Biol 2017. [PMID: 28644609 DOI: 10.1021/acschembio.7b00471] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
In 2011, a new type of protein O-glycosylation was discovered in which N-acetylgalactosamine is attached to the side chain of tyrosine (GalNAc-Tyr). While present on dozens of proteins, the biological roles of GalNAc-Tyr are unknown. To gain insight into this new type of modification, we synthesized a group of GalNAc-Tyr glycopeptides, constructed microarrays, and evaluated potential recognition of GalNAc-Tyr by a series of glycan-binding proteins. Through a series of >150 microarray experiments, we assessed binding properties of a variety of plant lectins, monoclonal antibodies, and endogenous lectins. VVL, HPA, and SBA were all found to bind tightly to GalNAc-Tyr, and several Tn binding antibodies and blood group A antibodies were found to cross-react with GalNAc-Tyr. Thus, detection of GalNAc-Tyr modified proteins is an important consideration when analyzing results from these reagents. Additionally, we evaluated potential recognition by two mammalian lectins, human (hMGL) and murine (mMGL-2) macrophage galactose type C-type lectins. Both hMGL and mMGL-2 bound tightly to GalNAc-Tyr determinants. The apparent Kd values (∼1-40 nM) were on par with some of the best known ligands for MGL, such as the Tn antigen. hMGL also bound the natural beta-amyloid peptide containing a GalNAc-Tyr epitope. STD NMR experiments provided structural insights into the molecular basis of recognition. Finally, GalNAc-Tyr was selectively captured by mMGL-2 positive dendritic cells. These results provide the first evidence that GalNAc-Tyr modified proteins and/or peptides may be ligands for hMGL and mMGL-2 and offer unique structures for the design of MGL targeting agents.
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Affiliation(s)
- Ruslan Gibadullin
- Chemical
Biology Laboratory, National Cancer Institute, National Institutes of Health, 376 Boyles St., Frederick, Maryland 21702, United States
| | - David Wayne Farnsworth
- Chemical
Biology Laboratory, National Cancer Institute, National Institutes of Health, 376 Boyles St., Frederick, Maryland 21702, United States
| | - Joseph J. Barchi
- Chemical
Biology Laboratory, National Cancer Institute, National Institutes of Health, 376 Boyles St., Frederick, Maryland 21702, United States
| | - Jeffrey C. Gildersleeve
- Chemical
Biology Laboratory, National Cancer Institute, National Institutes of Health, 376 Boyles St., Frederick, Maryland 21702, United States
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30
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Sterner E, Peach ML, Nicklaus MC, Gildersleeve JC. Therapeutic Antibodies to Ganglioside GD2 Evolved from Highly Selective Germline Antibodies. Cell Rep 2017; 20:1681-1691. [PMID: 28813678 PMCID: PMC5572838 DOI: 10.1016/j.celrep.2017.07.050] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 05/15/2017] [Accepted: 07/19/2017] [Indexed: 12/11/2022] Open
Abstract
Antibodies play a crucial role in host defense and are indispensable research tools, diagnostics, and therapeutics. Antibody generation involves binding of genomically encoded germline antibodies followed by somatic hypermutation and in vivo selection to obtain antibodies with high affinity and selectivity. Understanding this process is critical for developing monoclonal antibodies, designing effective vaccines, and understanding autoantibody formation. Prior studies have found that antibodies to haptens, peptides, and proteins evolve from polyspecific germline antibodies. The immunological evolution of antibodies to mammalian glycans has not been studied. Using glycan microarrays, protein microarrays, cell binding studies, and molecular modeling, we demonstrate that therapeutic antibodies to the tumor-associated ganglioside GD2 evolved from highly specific germline precursors. The results have important implications for developing vaccines and monoclonal antibodies that target carbohydrate antigens. In addition, they demonstrate an alternative pathway for antibody evolution within the immune system that is distinct from the polyspecific germline pathway.
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Affiliation(s)
- Eric Sterner
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
| | - Megan L Peach
- Basic Science Program, Chemical Biology Laboratory, Leidos Biomedical Inc., Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA
| | - Marc C Nicklaus
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
| | - Jeffrey C Gildersleeve
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA.
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31
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Sibgatullina R, Fujiki K, Murase T, Yamamoto T, Shimoda T, Kurbangalieva A, Tanaka K. Highly reactive “RIKEN click” probe for glycoconjugation on lysines. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.03.081] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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32
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Elahipanah S, O'Brien PJ, Rogozhnikov D, Yousaf MN. General Dialdehyde Click Chemistry for Amine Bioconjugation. Bioconjug Chem 2017; 28:1422-1433. [PMID: 28436674 DOI: 10.1021/acs.bioconjchem.7b00106] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The development of methods for conjugating a range of molecules to primary amine functional groups has revolutionized the fields of chemistry, biology, and material science. The primary amine is a key functional group and one of the most important nucleophiles and bases used in all of synthetic chemistry. Therefore, tremendous interest in the synthesis of molecules containing primary amines and strategies to devise chemical reactions to react with primary amines has been at the core of chemical research. In particular, primary amines are a ubiquitous functional group found in biological systems as free amino acids, as key side chain lysines in proteins, and in signaling molecules and metabolites and are also present in many natural product classes. Due to its abundance, the primary amine is the most convenient functional group handle in molecules for ligation to other molecules for a broad range of applications that impact all scientific fields. Because of the primary amine's central importance in synthetic chemistry, acid-base chemistry, redox chemistry, and biology, many methods have been developed to efficiently react with primary amines, including activated carboxylic acids, isothiocyanates, Michael addition type systems, and reaction with ketones or aldehydes followed by in situ reductive amination. Herein, we introduce a new traceless, high-yield, fast click-chemistry method based on the rapid and efficient trapping of amine groups via a functionalized dialdehyde group. The click reaction occurs in mild conditions in organic solvents or aqueous media and proceeds in high yield, and the starting dialdehyde reagent and resulting dialdehyde click conjugates are stable. Moreover, no catalyst or dialdehyde-activating group is required, and the only byproduct is water. The initial dialdehyde and the resulting conjugate are both straightforward to characterize, and the reaction proceeds with high atom economy. To demonstrate the broad scope of this new click-conjugation strategy, we designed a straightforward scheme to synthesize a suite of dialdehyde reagents. The dialdehyde molecules were used for applications in cell-surface engineering and for tailoring surfaces for material science applications. We anticipate the broad utility of the general dialdehyde click chemistry to primary amines in all areas of chemical research, ranging from polymers and bioconjugation to material science and nanoscience.
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Affiliation(s)
- Sina Elahipanah
- Department of Chemistry and Biology, Laboratory for Biomolecular Interactions, York University , Toronto, Ontario, Canada M3J 1P3
| | - Paul J O'Brien
- Department of Chemistry and Biology, Laboratory for Biomolecular Interactions, York University , Toronto, Ontario, Canada M3J 1P3
| | - Dmitry Rogozhnikov
- Department of Chemistry and Biology, Laboratory for Biomolecular Interactions, York University , Toronto, Ontario, Canada M3J 1P3
| | - Muhammad N Yousaf
- Department of Chemistry and Biology, Laboratory for Biomolecular Interactions, York University , Toronto, Ontario, Canada M3J 1P3.,OrganoLinX Inc. , Toronto, Ontario, Canada M3J 1P3
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33
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Villadsen K, Martos-Maldonado MC, Jensen KJ, Thygesen MB. Chemoselective Reactions for the Synthesis of Glycoconjugates from Unprotected Carbohydrates. Chembiochem 2017; 18:574-612. [DOI: 10.1002/cbic.201600582] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Indexed: 12/27/2022]
Affiliation(s)
- Klaus Villadsen
- Department of Chemistry; University of Copenhagen; Faculty of Science; Thorvaldsensvej 40 1871 Frederiksberg C Denmark
| | - Manuel C. Martos-Maldonado
- Department of Chemistry; University of Copenhagen; Faculty of Science; Thorvaldsensvej 40 1871 Frederiksberg C Denmark
| | - Knud J. Jensen
- Department of Chemistry; University of Copenhagen; Faculty of Science; Thorvaldsensvej 40 1871 Frederiksberg C Denmark
| | - Mikkel B. Thygesen
- Department of Chemistry; University of Copenhagen; Faculty of Science; Thorvaldsensvej 40 1871 Frederiksberg C Denmark
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34
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van Munster JM, Thomas B, Riese M, Davis AL, Gray CJ, Archer DB, Flitsch SL. Application of carbohydrate arrays coupled with mass spectrometry to detect activity of plant-polysaccharide degradative enzymes from the fungus Aspergillus niger. Sci Rep 2017; 7:43117. [PMID: 28220903 PMCID: PMC5318901 DOI: 10.1038/srep43117] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 01/19/2017] [Indexed: 01/25/2023] Open
Abstract
Renewables-based biotechnology depends on enzymes to degrade plant lignocellulose to simple sugars that are converted to fuels or high-value products. Identification and characterization of such lignocellulose degradative enzymes could be fast-tracked by availability of an enzyme activity measurement method that is fast, label-free, uses minimal resources and allows direct identification of generated products. We developed such a method by applying carbohydrate arrays coupled with MALDI-ToF mass spectrometry to identify reaction products of carbohydrate active enzymes (CAZymes) of the filamentous fungus Aspergillus niger. We describe the production and characterization of plant polysaccharide-derived oligosaccharides and their attachment to hydrophobic self-assembling monolayers on a gold target. We verify effectiveness of this array for detecting exo- and endo-acting glycoside hydrolase activity using commercial enzymes, and demonstrate how this platform is suitable for detection of enzyme activity in relevant biological samples, the culture filtrate of A. niger grown on wheat straw. In conclusion, this versatile method is broadly applicable in screening and characterisation of activity of CAZymes, such as fungal enzymes for plant lignocellulose degradation with relevance to biotechnological applications as biofuel production, the food and animal feed industry.
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Affiliation(s)
- Jolanda M van Munster
- Fungal Biology and Genetics, School of Life Sciences, University of Nottingham, University Park, Nottingham NG7 2RD, UK
| | - Baptiste Thomas
- Chemical Biology, Manchester Institute for Biotechnology, University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom
| | - Michel Riese
- Chemical Biology, Manchester Institute for Biotechnology, University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom
| | - Adrienne L Davis
- School of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, UK
| | - Christopher J Gray
- Chemical Biology, Manchester Institute for Biotechnology, University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom
| | - David B Archer
- Fungal Biology and Genetics, School of Life Sciences, University of Nottingham, University Park, Nottingham NG7 2RD, UK
| | - Sabine L Flitsch
- Chemical Biology, Manchester Institute for Biotechnology, University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom
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35
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Tao S, Jia TW, Yang Y, Chu LQ. BSA-Sugar Conjugates as Ideal Building Blocks for SPR-Based Glycan Biosensors. ACS Sens 2017; 2:57-60. [PMID: 28722428 DOI: 10.1021/acssensors.6b00679] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Controlled immobilization of sugar probes is of key importance for the development of glycan biosensors. To this end, a series of BSA-sugar conjugates with different numbers of mannose units are prepared via the squaric acid-mediated coupling reaction. The conjugates can absorb directly on gold substrate without any derivation reactions, thus providing a simple and effective method for the construction of SPR-based glycan biosensors. SPR measurements show that the BSA-mannose conjugate with 11 mannoses exhibit the highest affinity to the lectin concanavalin A with a limit of detection of ca. 1.8 nM. Regeneration and specificity of the obtained glycan biosensors are also investigated.
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Affiliation(s)
- Shun Tao
- College of Chemical Engineering and Materials Science and ‡China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Sino-French Joint Lab of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, No. 29, 13th Avenue, TEDA, Tianjin 300457, China
| | - Tian-Wei Jia
- College of Chemical Engineering and Materials Science and ‡China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Sino-French Joint Lab of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, No. 29, 13th Avenue, TEDA, Tianjin 300457, China
| | - Yang Yang
- College of Chemical Engineering and Materials Science and ‡China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Sino-French Joint Lab of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, No. 29, 13th Avenue, TEDA, Tianjin 300457, China
| | - Li-Qiang Chu
- College of Chemical Engineering and Materials Science and ‡China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Sino-French Joint Lab of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, No. 29, 13th Avenue, TEDA, Tianjin 300457, China
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36
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Purushottam L, Adusumalli SR, Chilamari M, Rai V. Chemoselective and site-selective peptide and native protein modification enabled by aldehyde auto-oxidation. Chem Commun (Camb) 2017; 53:959-962. [DOI: 10.1039/c6cc09555k] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Chemical technology delivers precision engineering of the native protein backbone. A lysine residue undergoes single-site formylation or acylation in a multi-step yet operationally simple one-pot process.
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Affiliation(s)
- Landa Purushottam
- Organic and Bioconjugate Chemistry Laboratory
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhauri
- Bhopal 462066
| | - Srinivasa Rao Adusumalli
- Organic and Bioconjugate Chemistry Laboratory
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhauri
- Bhopal 462066
| | - Maheshwerreddy Chilamari
- Organic and Bioconjugate Chemistry Laboratory
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhauri
- Bhopal 462066
| | - Vishal Rai
- Organic and Bioconjugate Chemistry Laboratory
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhauri
- Bhopal 462066
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37
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Glycan-protein interactions in viral pathogenesis. Curr Opin Struct Biol 2016; 40:153-162. [PMID: 27792989 PMCID: PMC5526076 DOI: 10.1016/j.sbi.2016.10.003] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Accepted: 10/01/2016] [Indexed: 12/24/2022]
Abstract
The surfaces of host cells and viruses are decorated by complex glycans, which play multifaceted roles in the dynamic interplay between the virus and the host including viral entry into host cell, modulation of proteolytic cleavage of viral proteins, recognition and neutralization of virus by host immune system. These roles are mediated by specific multivalent interactions of glycans with their cognate proteins (generally termed as glycan-binding proteins or GBPs or lectins). The advances in tools and technologies to chemically synthesize and structurally characterize glycans and glycan-GBP interactions have offered several insights into the role of glycan-GBP interactions in viral pathogenesis and have presented opportunities to target these interactions for novel antiviral therapeutic or vaccine strategies. This review covers aspects of role of host cell surface glycan receptors and viral surface glycans in viral pathogenesis and offers perspectives on how to employ various analytical tools to target glycan-GBP interactions.
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38
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Moskvin M, Horák D. Carbohydrate-modified magnetic nanoparticles for radical scavenging. Physiol Res 2016; 65:S243-S251. [PMID: 27762590 DOI: 10.33549/physiolres.933426] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Maghemite (gamma-Fe2O3) nanoparticles, 12 nm in size, were prepared by co-precipitation of Fe(II) and Fe(III) chlorides with ammonium hydroxide and oxidation with hydrogen peroxide. To achieve stability and biocompatibility, obtained particles were coated with silica, to which glucose and ascorbic acid were bound by different mechanisms. The composite particles were thoroughly characterized by transmission electron microscopy, dynamic light scattering, elemental analysis, and FT-Raman and fluorescence spectroscopy to determine composition, morphology, size and its distribution, zeta-potential, and scavenging of peroxyl and hydroxyl radicals. As the particles showed promising antioxidative properties, they may have a possible application as a stable magnetically controlled scavenger of reactive oxygen species.
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Affiliation(s)
- M Moskvin
- Institute of Macromolecular Chemistry of the Czech Academy of Sciences, Prague, Czech Republic.
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39
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Lipp A, Lahm G, Opatz T. Light Induced C–C Coupling of 2-Chlorobenzazoles with Carbamates, Alcohols, and Ethers. J Org Chem 2016; 81:4890-7. [DOI: 10.1021/acs.joc.6b00715] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Alexander Lipp
- Institute of Organic Chemistry, University of Mainz, Duesbergweg 10-14, D-55128 Mainz, Germany
| | - Günther Lahm
- Institute of Organic Chemistry, University of Mainz, Duesbergweg 10-14, D-55128 Mainz, Germany
| | - Till Opatz
- Institute of Organic Chemistry, University of Mainz, Duesbergweg 10-14, D-55128 Mainz, Germany
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40
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Ogura A, Kurbangalieva A, Tanaka K. Exploring the glycan interaction in vivo: Future prospects of neo-glycoproteins for diagnostics. Glycobiology 2016; 26:804-12. [PMID: 26980440 DOI: 10.1093/glycob/cww038] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Accepted: 03/09/2016] [Indexed: 12/21/2022] Open
Abstract
Herein the biodistributions and in vivo kinetics of chemically prepared neoglycoproteins are reviewed. Chemical methods can be used to conjugate various mono- and oligosaccharides onto a protein surface. The kinetics and organ-specific accumulation profiles of these glycoconjugates, which are introduced through intravenous injections, have been analyzed using conventional dissection studies as well as noninvasive methods such as single photon emission computed tomography, positron emission tomography and fluorescence imaging. These studies suggest that glycan-dependent protein distribution kinetics may be useful for pharmacological and diagnostic applications.
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Affiliation(s)
- Akihiro Ogura
- Biofunctional Synthetic Chemistry Laboratory, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - Almira Kurbangalieva
- Biofunctional Chemistry Laboratory, A. Butlerov Institute of Chemistry, Kazan Federal University, 18 Kremlyovskaya street, Kazan 420008, Russia
| | - Katsunori Tanaka
- Biofunctional Synthetic Chemistry Laboratory, RIKEN, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan Biofunctional Chemistry Laboratory, A. Butlerov Institute of Chemistry, Kazan Federal University, 18 Kremlyovskaya street, Kazan 420008, Russia JST PRESTO, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
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41
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Tanaka K. Chemically synthesized glycoconjugates on proteins: effects of multivalency and glycoform in vivo. Org Biomol Chem 2016; 14:7610-21. [DOI: 10.1039/c6ob00788k] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The biodistributions and in vivo kinetics of chemically prepared glycoconjugates on proteins are reviewed.
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Affiliation(s)
- Katsunori Tanaka
- Biofunctional Synthetic Chemistry Laboratory
- RIKEN
- Wako-shi
- Japan
- Biofunctional Chemistry Laboratory
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42
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Koniev O, Wagner A. Developments and recent advancements in the field of endogenous amino acid selective bond forming reactions for bioconjugation. Chem Soc Rev 2015; 44:5495-551. [PMID: 26000775 DOI: 10.1039/c5cs00048c] [Citation(s) in RCA: 397] [Impact Index Per Article: 44.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Bioconjugation methodologies have proven to play a central enabling role in the recent development of biotherapeutics and chemical biology approaches. Recent endeavours in these fields shed light on unprecedented chemical challenges to attain bioselectivity, biocompatibility, and biostability required by modern applications. In this review the current developments in various techniques of selective bond forming reactions of proteins and peptides were highlighted. The utility of each endogenous amino acid-selective conjugation methodology in the fields of biology and protein science has been surveyed with emphasis on the most relevant among reported transformations; selectivity and practical use have been discussed.
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Affiliation(s)
- Oleksandr Koniev
- Laboratory of Functional Chemo-Systems (UMR 7199), Labex Medalis, University of Strasbourg, 74 Route du Rhin, 67401 Illkirch-Graffenstaden, France.
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Jaramillo-Quintero LP, Contis Montes de Oca A, Romero Rojas A, Rojas-Hernández S, Campos-Rodríguez R, Martínez-Ayala AL. Cytotoxic effect of the immunotoxin constructed of the ribosome-inactivating protein curcin and the monoclonal antibody against Her2 receptor on tumor cells. Biosci Biotechnol Biochem 2015; 79:896-906. [PMID: 25704287 DOI: 10.1080/09168451.2015.1006572] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
The toxicity of the curcin on cancer cells allows to consider this protein as the toxic component of an immunotoxin directed to Her2, which is associated with cancer. Reductive amination was proposed to conjugate curcin and an anti-Her2; the binding was tested using Polyacrylamide gel electrophoresis, western blot, and immunocytochemistry. The in vitro cytotoxicity of curcin and the immunotoxin was assessed on breast cancer cell lines SK-BR-3 (Her2(+)) and MDA-MB-231 (Her2(-)). IC50 values for curcin were 15.5 ± 8.3 and 18.6 ± 2.4 μg/mL, respectively, statistically equivalent (p < 0.05). While to the immunotoxin was 2.2 ± 0.08 for SK-BR-3 and 147.6 ± 2.5 μg/mL for MDA-MB-231. These values showed that the immunotoxin was seven times more toxic to the SK-BR-3 than curcin and eight times less toxic to the MDA-MB-231. The immunotoxin composed of curcin and an antibody against Her2 and constructed by reductive amination could be a therapeutic candidate against Her2(+) cancer.
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44
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McKay CS, Finn MG. Click chemistry in complex mixtures: bioorthogonal bioconjugation. CHEMISTRY & BIOLOGY 2014; 21:1075-101. [PMID: 25237856 PMCID: PMC4331201 DOI: 10.1016/j.chembiol.2014.09.002] [Citation(s) in RCA: 562] [Impact Index Per Article: 56.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Revised: 09/01/2014] [Accepted: 09/02/2014] [Indexed: 01/18/2023]
Abstract
The selective chemical modification of biological molecules drives a good portion of modern drug development and fundamental biological research. While a few early examples of reactions that engage amine and thiol groups on proteins helped establish the value of such processes, the development of reactions that avoid most biological molecules so as to achieve selectivity in desired bond-forming events has revolutionized the field. We provide an update on recent developments in bioorthogonal chemistry that highlights key advances in reaction rates, biocompatibility, and applications. While not exhaustive, we hope this summary allows the reader to appreciate the rich continuing development of good chemistry that operates in the biological setting.
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Affiliation(s)
- Craig S McKay
- School of Chemistry & Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - M G Finn
- School of Chemistry & Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332, USA.
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45
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Claes D, Memmel E, Holzapfel M, Seibel J, Maison W. High-Affinity Carbohydrate Binding by Trimeric Benzoboroxoles Measured on Carbohydrate Arrays. Chembiochem 2014; 15:2450-7. [DOI: 10.1002/cbic.201402297] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2014] [Indexed: 11/06/2022]
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46
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Gregory AE, Judy BM, Qazi O, Blumentritt CA, Brown KA, Shaw AM, Torres AG, Titball RW. A gold nanoparticle-linked glycoconjugate vaccine against Burkholderia mallei. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2014; 11:447-56. [PMID: 25194998 DOI: 10.1016/j.nano.2014.08.005] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2014] [Revised: 08/18/2014] [Accepted: 08/22/2014] [Indexed: 12/19/2022]
Abstract
UNLABELLED Burkholderia mallei are Gram-negative bacteria, responsible for the disease glanders. B. mallei has recently been classified as a Tier 1 agent owing to the fact that this bacterial species can be weaponised for aerosol release, has a high mortality rate and demonstrates multi-drug resistance. Furthermore, there is no licensed vaccine available against this pathogen. Lipopolysaccharide (LPS) has previously been identified as playing an important role in generating host protection against Burkholderia infection. In this study, we present gold nanoparticles (AuNPs) functionalised with a glycoconjugate vaccine against glanders. AuNPs were covalently coupled with one of three different protein carriers (TetHc, Hcp1 and FliC) followed by conjugation to LPS purified from a non-virulent clonal relative, B. thailandensis. Glycoconjugated LPS generated significantly higher antibody titres compared with LPS alone. Further, they improved protection against a lethal inhalation challenge of B. mallei in the murine model of infection. FROM THE CLINICAL EDITOR Burkholderia mallei is associated with multi-drug resistance, high mortality and potentials for weaponization through aerosol inhalation. The authors of this study present gold nanoparticles (AuNPs) functionalized with a glycoconjugate vaccine against this Gram negative bacterium demonstrating promising results in a murine model even with the aerosolized form of B. Mallei.
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Affiliation(s)
- Anthony E Gregory
- School of Biosciences, College of Life and Environmental Sciences, University of Exeter, Devon, UK
| | - Barbara M Judy
- Department of Pathology, University of TX Medical Branch, Galveston, USA
| | - Omar Qazi
- Department of Chemistry, University of TX at Austin, Austin, USA
| | - Carla A Blumentritt
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, USA
| | - Katherine A Brown
- Department of Chemistry, University of TX at Austin, Austin, USA; Cavendish Laboratory, Department of Physics, University of Cambridge, UK
| | - Andrew M Shaw
- School of Biosciences, College of Life and Environmental Sciences, University of Exeter, Devon, UK
| | - Alfredo G Torres
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, USA; Department of Pathology, University of TX Medical Branch, Galveston, USA.
| | - Richard W Titball
- School of Biosciences, College of Life and Environmental Sciences, University of Exeter, Devon, UK.
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47
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SoRelle JA, Kanak MA, Itoh T, Horton JM, Naziruddin B, Kane RR. Comparison of surface modification chemistries in mouse, porcine, and human islets. J Biomed Mater Res A 2014; 103:869-77. [DOI: 10.1002/jbm.a.35229] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2014] [Revised: 05/01/2014] [Accepted: 05/13/2014] [Indexed: 12/21/2022]
Affiliation(s)
- Jeffrey A. SoRelle
- Institute of Biomedical Studies; Baylor University; Waco Texas 76798-7224
| | - Mazhar A. Kanak
- Institute of Biomedical Studies; Baylor University; Waco Texas 76798-7224
| | - Takeshi Itoh
- Baylor Research Institute; Baylor University Medical Center; Dallas Texas 75204
| | - Joshua M. Horton
- Institute of Biomedical Studies; Baylor University; Waco Texas 76798-7224
| | - Bashoo Naziruddin
- Institute of Biomedical Studies; Baylor University; Waco Texas 76798-7224
- Annette C. and Harold C. Simmons Transplant Institute; Baylor University Medical Center; Dallas Texas 75246
| | - Robert R. Kane
- Institute of Biomedical Studies; Baylor University; Waco Texas 76798-7224
- Department of Chemistry and Biochemistry; Baylor University; Waco Texas 76798-9348
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48
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Villalonga ML, Díez P, Sánchez A, Gamella M, Pingarrón JM, Villalonga R. Neoglycoenzymes. Chem Rev 2014; 114:4868-917. [DOI: 10.1021/cr400290x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
| | - Paula Díez
- Department
of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040-Madrid, Spain
| | - Alfredo Sánchez
- Department
of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040-Madrid, Spain
| | - María Gamella
- Department
of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040-Madrid, Spain
| | - José M. Pingarrón
- Department
of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040-Madrid, Spain
- IMDEA
Nanoscience, Cantoblanco Universitary City, 28049-Madrid, Spain
| | - Reynaldo Villalonga
- Department
of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040-Madrid, Spain
- IMDEA
Nanoscience, Cantoblanco Universitary City, 28049-Madrid, Spain
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Abstract
Glycosylation is an important post-translational modification that influences many biological processes critical for development, normal physiologic function, and diseases. Unfortunately, progress toward understanding the roles of glycans in biology has been slow due to the challenges of studying glycans and the proteins that interact with them. Glycan microarrays provide a high-throughput approach for the rapid analysis of carbohydrate-macromolecule interactions. Protocols detailed here are intended to help laboratories with basic familiarity of DNA or protein microarrays to begin printing and performing assays using glycan microarrays. Basic and advanced data processing are also detailed, along with strategies for improving reproducibility of data collected with glycan arrays. Curr. Protoc. Chem Biol. 2:37-53. © 2010 by John Wiley & Sons, Inc.
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50
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Freichels H, Wagner M, Okwieka P, Meyer RG, Mailänder V, Landfester K, Musyanovych A. (Oligo)mannose functionalized hydroxyethyl starch nanocapsules: en route to drug delivery systems with targeting properties. J Mater Chem B 2013; 1:4338-4348. [DOI: 10.1039/c3tb20138d] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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