51
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Liu G, Shi G, Sheng H, Jiang Y, Liang H, Liu S. Doubly Caged Linker for AND-Type Fluorogenic Construction of Protein/Antibody Bioconjugates and In Situ Quantification. Angew Chem Int Ed Engl 2017; 56:8686-8691. [PMID: 28524357 DOI: 10.1002/anie.201702748] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Indexed: 12/15/2022]
Abstract
In situ quantification of the conjugation efficiency of azide-terminated synthetic polymers/imaging probes and thiol-functionalized antibodies/proteins/peptides was enabled by a doubly caged profluorescent and heterodifunctional core molecule C1 as a self-sorting bridging unit. Orthogonal dual "click" coupling of C1 with azide- and thiol-functionalized precursors led to highly fluorescent bioconjugates, whereas single-click products remained essentially nonfluorescent. Integration with FRET processes was also possible. For the construction of antibody-probe conjugates from an anti-carcinoembryonic antigen and a quinone-caged profluorescent naphthalimide derivative, the dual "click" coupling process with C1 was monitored on the basis of the emission turn-on of C1, whereas prominent changes in FRET ratios occurred for antibody-imaging-probe conjugates when specifically triggered by quinone oxidoreductase (NQO1), which is overexpressed in various types of cancer cells.
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Affiliation(s)
- Guhuan Liu
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, iChem (Collaborative Innovation Center of Chemistry for Energy Materials), Department of Polymer Science and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui Province, 230026, China
| | - Guohai Shi
- Department of Urology, Fudan University Shanghai Cancer Center, Department of Oncology, Shanghai Medical College, Fudan University, 270 Dong'An Road, Shanghai, 200032, China
| | - Haoyue Sheng
- Department of Urology, Fudan University Shanghai Cancer Center, Department of Oncology, Shanghai Medical College, Fudan University, 270 Dong'An Road, Shanghai, 200032, China
| | - Yanyan Jiang
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, iChem (Collaborative Innovation Center of Chemistry for Energy Materials), Department of Polymer Science and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui Province, 230026, China
| | - Haojun Liang
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, iChem (Collaborative Innovation Center of Chemistry for Energy Materials), Department of Polymer Science and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui Province, 230026, China
| | - Shiyong Liu
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, iChem (Collaborative Innovation Center of Chemistry for Energy Materials), Department of Polymer Science and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui Province, 230026, China
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52
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Xiao Y, Sun H, Du J. Sugar-Breathing Glycopolymersomes for Regulating Glucose Level. J Am Chem Soc 2017; 139:7640-7647. [DOI: 10.1021/jacs.7b03219] [Citation(s) in RCA: 111] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Yufen Xiao
- Department
of Polymeric Materials, School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China
| | - Hui Sun
- Department
of Polymeric Materials, School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China
| | - Jianzhong Du
- Department
of Polymeric Materials, School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China
- Shanghai
Tenth People’s Hospital, Tongji University School of Medicine, Shanghai 200072, China
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53
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Xue W, Wang J, Wen M, Chen G, Zhang W. Integration of CuAAC Polymerization and Controlled Radical Polymerization into Electron Transfer Mediated “Click-Radical” Concurrent Polymerization. Macromol Rapid Commun 2017; 38. [DOI: 10.1002/marc.201600733] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Revised: 12/23/2016] [Indexed: 12/18/2022]
Affiliation(s)
- Wentao Xue
- Center for Soft Condensed Matter Physics and Interdisciplinary Research; Soochow University; Suzhou 215006 P. R. China
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials; Soochow University; Suzhou 215123 P. R. China
| | - Jie Wang
- Center for Soft Condensed Matter Physics and Interdisciplinary Research; Soochow University; Suzhou 215006 P. R. China
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials; Soochow University; Suzhou 215123 P. R. China
| | - Ming Wen
- Center for Soft Condensed Matter Physics and Interdisciplinary Research; Soochow University; Suzhou 215006 P. R. China
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials; Soochow University; Suzhou 215123 P. R. China
| | - Gaojian Chen
- Center for Soft Condensed Matter Physics and Interdisciplinary Research; Soochow University; Suzhou 215006 P. R. China
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials; Soochow University; Suzhou 215123 P. R. China
| | - Weidong Zhang
- Center for Soft Condensed Matter Physics and Interdisciplinary Research; Soochow University; Suzhou 215006 P. R. China
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials; Soochow University; Suzhou 215123 P. R. China
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54
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Liu X, Tian L, Wu Z, Zhao X, Wang Z, Yu D, Fu X. Visible-light-induced synthesis of polymers with versatile end groups mediated by organocobalt complexes. Polym Chem 2017. [DOI: 10.1039/c7py01086a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Synthesis of polymers with well-defined functional groups at α and ω ends by using carefully designed organocobalt complexes has been accomplished.
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Affiliation(s)
- Xu Liu
- Beijing National Laboratory for Molecular Sciences
- State Key Lab of Rare Earth Materials Chemistry and Applications
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing
| | - Lei Tian
- Beijing National Laboratory for Molecular Sciences
- State Key Lab of Rare Earth Materials Chemistry and Applications
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing
| | - Zhenqiang Wu
- Beijing National Laboratory for Molecular Sciences
- State Key Lab of Rare Earth Materials Chemistry and Applications
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing
| | - Xianyuan Zhao
- Beijing National Laboratory for Molecular Sciences
- State Key Lab of Rare Earth Materials Chemistry and Applications
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing
| | - Zikuan Wang
- Beijing National Laboratory for Molecular Sciences
- State Key Lab of Rare Earth Materials Chemistry and Applications
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing
| | - Donggeng Yu
- Beijing National Laboratory for Molecular Sciences
- State Key Lab of Rare Earth Materials Chemistry and Applications
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing
| | - Xuefeng Fu
- Beijing National Laboratory for Molecular Sciences
- State Key Lab of Rare Earth Materials Chemistry and Applications
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing
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55
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Boujioui F, Bertrand O, Ernould B, Brassinne J, Janoschka T, Schubert US, Vlad A, Gohy JF. One-pot synthesis of electro-active polymer gels via Cu(0)-mediated radical polymerization and click chemistry. Polym Chem 2017. [DOI: 10.1039/c6py01807f] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Electro-active polymer gels are prepared via one-pot Cu(0)-mediated radical polymerization and click chemistry.
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Affiliation(s)
- Fadoi Boujioui
- Institute of Condensed Matter and Nanoscience (IMCN)
- Bio- and Soft Matter (BSMA)
- Université catholique de Louvain
- 1348 Louvain-la-Neuve
- Belgium
| | - Olivier Bertrand
- Institute of Condensed Matter and Nanoscience (IMCN)
- Bio- and Soft Matter (BSMA)
- Université catholique de Louvain
- 1348 Louvain-la-Neuve
- Belgium
| | - Bruno Ernould
- Institute of Condensed Matter and Nanoscience (IMCN)
- Bio- and Soft Matter (BSMA)
- Université catholique de Louvain
- 1348 Louvain-la-Neuve
- Belgium
| | - Jérémy Brassinne
- Institute of Condensed Matter and Nanoscience (IMCN)
- Bio- and Soft Matter (BSMA)
- Université catholique de Louvain
- 1348 Louvain-la-Neuve
- Belgium
| | - Tobias Janoschka
- Laboratory of Organic and Macromolecular Chemistry (IOMC)
- Friedrich Schiller University Jena
- 07743 Jena
- Germany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena)
| | - Ulrich S. Schubert
- Laboratory of Organic and Macromolecular Chemistry (IOMC)
- Friedrich Schiller University Jena
- 07743 Jena
- Germany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena)
| | - Alexandru Vlad
- Institute of condensed Matter and Nanoscience (IMCN)
- Molecules
- Solids and Reactivity (MOST)
- Université catholique de Louvain
- 1348 Louvain-la-Neuve
| | - Jean-François Gohy
- Institute of Condensed Matter and Nanoscience (IMCN)
- Bio- and Soft Matter (BSMA)
- Université catholique de Louvain
- 1348 Louvain-la-Neuve
- Belgium
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56
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FUKUDA T, MIURA Y. Biofunctional Characteristics of Dendritic Glycocluster Modified Surfaces. KOBUNSHI RONBUNSHU 2017. [DOI: 10.1295/koron.2016-0046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Tomohiro FUKUDA
- Department of Applied Chemistry and Chemical Engineering, National Institute of Technology, Toyama College
- Department of Chemical Engineering, Kyushu University
| | - Yoshiko MIURA
- Department of Chemical Engineering, Kyushu University
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57
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Wu Y, Li H, Rao Z, Li H, Wu Y, Zhao J, Rong J. Controlled protein adsorption and delivery of thermosensitive poly(N-isopropylacrylamide) nanogels. J Mater Chem B 2017; 5:7974-7984. [DOI: 10.1039/c7tb01824j] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Controlled protein adsorption and delivery of thermosensitive poly(N-isopropylacrylamide) nanogels by tailoring the temperature and pH value of the medium.
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Affiliation(s)
- Yuzheng Wu
- Department of Materials Science and Engineering
- College of Chemistry and Materials Science
- Jinan University
- Guangzhou 510632
- China
| | - Haifeng Li
- Department of Materials Science and Engineering
- College of Chemistry and Materials Science
- Jinan University
- Guangzhou 510632
- China
| | - Zhouquan Rao
- Department of Materials Science and Engineering
- College of Chemistry and Materials Science
- Jinan University
- Guangzhou 510632
- China
| | - Huaqiang Li
- Department of Materials Science and Engineering
- College of Chemistry and Materials Science
- Jinan University
- Guangzhou 510632
- China
| | - Yan Wu
- Department of Materials Science and Engineering
- College of Chemistry and Materials Science
- Jinan University
- Guangzhou 510632
- China
| | - Jianhao Zhao
- Department of Materials Science and Engineering
- College of Chemistry and Materials Science
- Jinan University
- Guangzhou 510632
- China
| | - Jianhua Rong
- Department of Materials Science and Engineering
- College of Chemistry and Materials Science
- Jinan University
- Guangzhou 510632
- China
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58
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De Coen R, Vanparijs N, Risseeuw MDP, Lybaert L, Louage B, De Koker S, Kumar V, Grooten J, Taylor L, Ayres N, Van Calenbergh S, Nuhn L, De Geest BG. pH-Degradable Mannosylated Nanogels for Dendritic Cell Targeting. Biomacromolecules 2016; 17:2479-88. [DOI: 10.1021/acs.biomac.6b00685] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | | | | | | | | | | | | | | | - Leeanne Taylor
- Department
of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Neil Ayres
- Department
of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
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59
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Huang ML, Fisher CJ, Godula K. Glycomaterials for probing host-pathogen interactions and the immune response. Exp Biol Med (Maywood) 2016; 241:1042-53. [PMID: 27190259 DOI: 10.1177/1535370216647811] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
The initial engagement of host cells by pathogens is often mediated by glycan structures presented on the cell surface. Various components of the glycocalyx can be targeted by pathogens for adhesion to facilitate infection. Glycans also play integral roles in the modulation of the host immune response to infection. Therefore, understanding the parameters that define glycan interactions with both pathogens and the various components of the host immune system can aid in the development of strategies to prevent, interrupt, or manage infection. Glycomaterials provide a unique and powerful tool with which to interrogate the compositional and functional complexity of the glycocalyx. The objective of this review is to highlight some key contributions from this area of research in deciphering the mechanisms of pathogenesis and the associated host response.
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Affiliation(s)
- Mia L Huang
- Department of Chemistry and Biochemistry, University of California-San Diego, La Jolla, CA 92093, USA
| | - Christopher J Fisher
- Department of Chemistry and Biochemistry, University of California-San Diego, La Jolla, CA 92093, USA
| | - Kamil Godula
- Department of Chemistry and Biochemistry, University of California-San Diego, La Jolla, CA 92093, USA
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60
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An J, Guo Q, Zhang P, Sinclair A, Zhao Y, Zhang X, Wu K, Sun F, Hung HC, Li C, Jiang S. Hierarchical design of a polymeric nanovehicle for efficient tumor regression and imaging. NANOSCALE 2016; 8:9318-9327. [PMID: 27088429 DOI: 10.1039/c6nr01595f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Effective delivery of therapeutics to disease sites significantly contributes to drug efficacy, toxicity and clearance. Here we designed a hierarchical polymeric nanoparticle structure for anti-cancer chemotherapy delivery by utilizing state-of-the-art polymer chemistry and co-assembly techniques. This novel structural design combines the most desired merits for drug delivery in a single particle, including a long in vivo circulation time, inhibited non-specific cell uptake, enhanced tumor cell internalization, pH-controlled drug release and simultaneous imaging. This co-assembled nanoparticle showed exceptional stability in complex biological media. Benefiting from the synergistic effects of zwitterionic and multivalent galactose polymers, drug-loaded nanoparticles were selectively internalized by cancer cells rather than normal tissue cells. In addition, the pH-responsive core retained their cargo within their polymeric coating through hydrophobic interaction and released it under slightly acidic conditions. In vivo pharmacokinetic studies in mice showed minimal uptake of nanoparticles by the mononuclear phagocyte system and excellent blood circulation half-lives of 14.4 h. As a result, tumor growth was completely inhibited and no damage was observed for normal organ tissues. This newly developed drug nanovehicle has great potential in cancer therapy, and the hierarchical design principle should provide valuable information for the development of the next generation of drug delivery systems.
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Affiliation(s)
- Jinxia An
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, Nankai University, Tianjin 300071, China.
| | - Qianqian Guo
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, Nankai University, Tianjin 300071, China.
| | - Peng Zhang
- Department of Chemical Engineering, University of Washington, Seattle, WA 98195, USA.
| | - Andrew Sinclair
- Department of Chemical Engineering, University of Washington, Seattle, WA 98195, USA.
| | - Yu Zhao
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, Nankai University, Tianjin 300071, China.
| | - Xinge Zhang
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, Nankai University, Tianjin 300071, China.
| | - Kan Wu
- Department of Chemical Engineering, University of Washington, Seattle, WA 98195, USA.
| | - Fang Sun
- Department of Chemical Engineering, University of Washington, Seattle, WA 98195, USA.
| | - Hsiang-Chieh Hung
- Department of Chemical Engineering, University of Washington, Seattle, WA 98195, USA.
| | - Chaoxing Li
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, Nankai University, Tianjin 300071, China.
| | - Shaoyi Jiang
- Department of Chemical Engineering, University of Washington, Seattle, WA 98195, USA.
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61
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Wang J, Wang X, Xue W, Chen G, Zhang W, Zhu X. Initiator and Photocatalyst‐Free Visible Light Induced One‐Pot Reaction: Concurrent RAFT Polymerization and CuAAC Click Reaction. Macromol Rapid Commun 2016; 37:799-804. [DOI: 10.1002/marc.201600004] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Revised: 02/29/2016] [Indexed: 12/25/2022]
Affiliation(s)
- Jie Wang
- Center for Soft Condensed Matter Physics and Interdisciplinary Research Soochow University Suzhou 215006 P. R. China
| | - Xinbo Wang
- College of Chemistry Engineering and Materials Science of Soochow University Laboratory of Macromolecular Design and Precision Synthesis Soochow University Suzhou 215123 P. R. China
| | - Wentao Xue
- Center for Soft Condensed Matter Physics and Interdisciplinary Research Soochow University Suzhou 215006 P. R. China
| | - Gaojian Chen
- Center for Soft Condensed Matter Physics and Interdisciplinary Research Soochow University Suzhou 215006 P. R. China
- College of Chemistry Engineering and Materials Science of Soochow University Laboratory of Macromolecular Design and Precision Synthesis Soochow University Suzhou 215123 P. R. China
| | - Weidong Zhang
- Center for Soft Condensed Matter Physics and Interdisciplinary Research Soochow University Suzhou 215006 P. R. China
- College of Chemistry Engineering and Materials Science of Soochow University Laboratory of Macromolecular Design and Precision Synthesis Soochow University Suzhou 215123 P. R. China
| | - Xiulin Zhu
- College of Chemistry Engineering and Materials Science of Soochow University Laboratory of Macromolecular Design and Precision Synthesis Soochow University Suzhou 215123 P. R. China
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62
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Jiang Y, Stenzel M. Drug Delivery Vehicles Based on Albumin-Polymer Conjugates. Macromol Biosci 2016; 16:791-802. [DOI: 10.1002/mabi.201500453] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Revised: 01/23/2016] [Indexed: 12/16/2022]
Affiliation(s)
- Yanyan Jiang
- Centre for Advanced Macromolecular Design; School of Chemistry and School of Chemical Engineering; University of New South Wales, UNSW; Kensington NSW 2052 Australia
| | - Martina Stenzel
- Centre for Advanced Macromolecular Design; School of Chemistry and School of Chemical Engineering; University of New South Wales, UNSW; Kensington NSW 2052 Australia
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63
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Tiwari VK, Mishra BB, Mishra KB, Mishra N, Singh AS, Chen X. Cu-Catalyzed Click Reaction in Carbohydrate Chemistry. Chem Rev 2016; 116:3086-240. [PMID: 26796328 DOI: 10.1021/acs.chemrev.5b00408] [Citation(s) in RCA: 523] [Impact Index Per Article: 65.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Cu(I)-catalyzed azide-alkyne 1,3-dipolar cycloaddition (CuAAC), popularly known as the "click reaction", serves as the most potent and highly dependable tool for facile construction of simple to complex architectures at the molecular level. Click-knitted threads of two exclusively different molecular entities have created some really interesting structures for more than 15 years with a broad spectrum of applicability, including in the fascinating fields of synthetic chemistry, medicinal science, biochemistry, pharmacology, material science, and catalysis. The unique properties of the carbohydrate moiety and the advantages of highly chemo- and regioselective click chemistry, such as mild reaction conditions, efficient performance with a wide range of solvents, and compatibility with different functionalities, together produce miraculous neoglycoconjugates and neoglycopolymers with various synthetic, biological, and pharmaceutical applications. In this review we highlight the successful advancement of Cu(I)-catalyzed click chemistry in glycoscience and its applications as well as future scope in different streams of applied sciences.
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Affiliation(s)
- Vinod K Tiwari
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University , Varanasi, Uttar Pradesh-221005, India
| | - Bhuwan B Mishra
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University , Varanasi, Uttar Pradesh-221005, India
| | - Kunj B Mishra
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University , Varanasi, Uttar Pradesh-221005, India
| | - Nidhi Mishra
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University , Varanasi, Uttar Pradesh-221005, India
| | - Anoop S Singh
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University , Varanasi, Uttar Pradesh-221005, India
| | - Xi Chen
- Department of Chemistry, One Shields Avenue, University of California-Davis , Davis, California 95616, United States
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64
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Zhang H, Weingart J, Gruzdys V, Sun XL. Synthesis of an End-to-End Protein-Glycopolymer Conjugate via Bio-Orthogonal Chemistry. ACS Macro Lett 2016; 5:73-77. [PMID: 35668582 DOI: 10.1021/acsmacrolett.5b00805] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
We report the synthesis of an end-to-end protein-glycopolymer conjugate, namely, site-specific modification of recombinant thrombomodulin at the C-terminus with a chain-end-functionalized glycopolymer. Thrombomodulin (TM) is an endothelial membrane glycoprotein that acts as a major cofactor in the protein C anticoagulant pathway. To closely mimic the glycoprotein structural feature of native TM, we proposed a site-specific glyco-engineering of recombinant TM with a glycopolymer. Briefly, recombinant TM containing the epidermal growth factor (EGF)-like domains 4, 5, and 6 (rTM456) and a C-terminal azidohomoalanine was modified with a dibenzylcyclooctyne (DBCO) chain-end-functionalized glycopolymer via copper-free click chemistry to afford the end-to-end TM-glycopolymer conjugate. The TM glycoconjugation was confirmed with SDS-PAGE, Western blot, and protein C activation assay, respectively. The reported site-specific end-to-end protein glycopolymer conjugation approach facilitates uniform glycoconjugate formation via biocompatible chemistry and in high efficiency providing a rational strategy for generating an rTM-based anticoagulant agent.
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Affiliation(s)
- Hailong Zhang
- Department of Chemistry,
Chemical and Biomedical Engineering and Center for Gene Regulation
in Health and Disease, Cleveland State University, Cleveland, Ohio 44115, United States
| | - Jacob Weingart
- Department of Chemistry,
Chemical and Biomedical Engineering and Center for Gene Regulation
in Health and Disease, Cleveland State University, Cleveland, Ohio 44115, United States
| | - Valentinas Gruzdys
- Department of Chemistry,
Chemical and Biomedical Engineering and Center for Gene Regulation
in Health and Disease, Cleveland State University, Cleveland, Ohio 44115, United States
| | - Xue-Long Sun
- Department of Chemistry,
Chemical and Biomedical Engineering and Center for Gene Regulation
in Health and Disease, Cleveland State University, Cleveland, Ohio 44115, United States
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65
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Tanaka T. Protecting-Group-Free Synthesis of Glycomonomers and Glycopolymers from Free Saccharides. TRENDS GLYCOSCI GLYC 2016. [DOI: 10.4052/tigg.1513.1e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Tomonari Tanaka
- Department of Biobased Materials Science, Graduate School of Science and Technology, Kyoto Institute of Technology
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66
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Tanaka T. Protecting-Group-Free Synthesis of Glycomonomers and Glycopolymers from Free Saccharides. TRENDS GLYCOSCI GLYC 2016. [DOI: 10.4052/tigg.1513.1j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Tomonari Tanaka
- Department of Biobased Materials Science, Graduate School of Science and Technology, Kyoto Institute of Technology
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67
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TANAKA T. Recent Advances in Glycopolymers Based on Protecting-Group-Free Synthesis. KOBUNSHI RONBUNSHU 2016. [DOI: 10.1295/koron.2016-0020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Tomonari TANAKA
- Department of Biobased Materials Science, Graduate School of Science and Technology, Kyoto Institute of Technology
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68
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Cui Y, Li Z, Wang L, Liu F, Yuan Y, Wang H, Xue L, Pan J, Chen G, Chen H, Yuan L. One-step synthesis of glycoprotein mimics in vitro: improvement of protein activity, stability and application in CPP hydrolysis. J Mater Chem B 2016; 4:5437-5445. [DOI: 10.1039/c6tb01251e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Glycoprotein mimics produced in vitro by one-step conjugation of glycopolymer and pyrophosphatase have improved bioactivity and stability for potential biomedical applications.
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69
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Mable CJ, Gibson R, Prevost S, McKenzie B, Mykhaylyk OO, Armes SP. Loading of Silica Nanoparticles in Block Copolymer Vesicles during Polymerization-Induced Self-Assembly: Encapsulation Efficiency and Thermally Triggered Release. J Am Chem Soc 2015; 137:16098-108. [PMID: 26600089 PMCID: PMC4697924 DOI: 10.1021/jacs.5b10415] [Citation(s) in RCA: 124] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Indexed: 12/22/2022]
Abstract
Poly(glycerol monomethacrylate)-poly(2-hydroxypropyl methacrylate) diblock copolymer vesicles can be prepared in the form of concentrated aqueous dispersions via polymerization-induced self-assembly (PISA). In the present study, these syntheses are conducted in the presence of varying amounts of silica nanoparticles of approximately 18 nm diameter. This approach leads to encapsulation of up to hundreds of silica nanoparticles per vesicle. Silica has high electron contrast compared to the copolymer which facilitates TEM analysis, and its thermal stability enables quantification of the loading efficiency via thermogravimetric analysis. Encapsulation efficiencies can be calculated using disk centrifuge photosedimentometry, since the vesicle density increases at higher silica loadings while the mean vesicle diameter remains essentially unchanged. Small angle X-ray scattering (SAXS) is used to confirm silica encapsulation, since a structure factor is observed at q ≈ 0.25 nm(-1). A new two-population model provides satisfactory data fits to the SAXS patterns and allows the mean silica volume fraction within the vesicles to be determined. Finally, the thermoresponsive nature of the diblock copolymer vesicles enables thermally triggered release of the encapsulated silica nanoparticles simply by cooling to 0-10 °C, which induces a morphological transition. These silica-loaded vesicles constitute a useful model system for understanding the encapsulation of globular proteins, enzymes, or antibodies for potential biomedical applications. They may also serve as an active payload for self-healing hydrogels or repair of biological tissue. Finally, we also encapsulate a model globular protein, bovine serum albumin, and calculate its loading efficiency using fluorescence spectroscopy.
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Affiliation(s)
- Charlotte J. Mable
- Department
of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, United Kingdom
| | - Rebecca
R. Gibson
- Department
of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, United Kingdom
| | - Sylvain Prevost
- ESRF, The European
Synchrotron, 71 Avenue des Martyrs, 38000 Grenoble, France
| | - Beulah
E. McKenzie
- Department
of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, United Kingdom
| | - Oleksandr O. Mykhaylyk
- Department
of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, United Kingdom
| | - Steven P. Armes
- Department
of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, United Kingdom
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70
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Boyer C, Corrigan NA, Jung K, Nguyen D, Nguyen TK, Adnan NNM, Oliver S, Shanmugam S, Yeow J. Copper-Mediated Living Radical Polymerization (Atom Transfer Radical Polymerization and Copper(0) Mediated Polymerization): From Fundamentals to Bioapplications. Chem Rev 2015; 116:1803-949. [DOI: 10.1021/acs.chemrev.5b00396] [Citation(s) in RCA: 356] [Impact Index Per Article: 39.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Cyrille Boyer
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Nathaniel Alan Corrigan
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Kenward Jung
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Diep Nguyen
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Thuy-Khanh Nguyen
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Nik Nik M. Adnan
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Susan Oliver
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Sivaprakash Shanmugam
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Jonathan Yeow
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
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71
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Zhang J, Garrison JC, Poluektova LY, Bronich TK, Osna NA. Liver-targeted antiviral peptide nanocomplexes as potential anti-HCV therapeutics. Biomaterials 2015; 70:37-47. [PMID: 26298393 PMCID: PMC4562313 DOI: 10.1016/j.biomaterials.2015.08.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Revised: 08/05/2015] [Accepted: 08/07/2015] [Indexed: 02/05/2023]
Abstract
Great success in HCV therapy was achieved by the development of direct-acting antivirals (DAA). However, the unsolved issues such as high cost and genotype dependency drive us to pursue additional therapeutic agents to be used instead or in combination with DAA. The cationic peptide p41 is one of such candidates displaying submicromolar anti-HCV potency. By electrostatic coupling of p41 with anionic poly(amino acid)-based block copolymers, antiviral peptide nanocomplexes (APN) platform was developed to improve peptide stability and to reduce cytotoxicity associated with positive charge. Herein, we developed a facile method to prepare galactosylated Gal-APN and tested their feasibility as liver-specific delivery system. In vitro, Gal-APN displayed specific internalization in hepatoma cell lines. Even though liver-targeted and non-targeted APN displayed comparable antiviral activity, Gal-APN offered prominent advantages to prevent HCV association with lipid droplets and suppress intracellular expression of HCV proteins. Moreover, in vivo preferential liver accumulation of Gal-APN was revealed in the biodistribution study. Altogether, this work illustrates the potential of Gal-APN as a novel liver-targeted therapy against HCV.
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Affiliation(s)
- Jinjin Zhang
- Department of Pharmaceutical Sciences, Center for Drug Delivery and Nanomedicine, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Jered C Garrison
- Department of Pharmaceutical Sciences, Center for Drug Delivery and Nanomedicine, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Larisa Y Poluektova
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Tatiana K Bronich
- Department of Pharmaceutical Sciences, Center for Drug Delivery and Nanomedicine, University of Nebraska Medical Center, Omaha, NE 68198, USA.
| | - Natalia A Osna
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68105, USA; Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System Medical Center, 4101 Woolworth Avenue, Omaha, NE 68105, USA.
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72
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Affiliation(s)
- Yoshiko Miura
- Department of Chemical Engineering, Graduate
School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Yu Hoshino
- Department of Chemical Engineering, Graduate
School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Hirokazu Seto
- Department of Chemical Engineering, Graduate
School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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73
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Prasher A, Loynd CM, Tuten BT, Frank PG, Chao D, Berda EB. Efficient fabrication of polymer nanoparticles via sonogashira cross-linking of linear polymers in dilute solution. ACTA ACUST UNITED AC 2015. [DOI: 10.1002/pola.27942] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Alka Prasher
- Department of Chemistry; University of New Hampshire; Durham New Hampshire 03824-3598
| | - Conor M. Loynd
- Department of Chemistry; University of New Hampshire; Durham New Hampshire 03824-3598
| | - Bryan T. Tuten
- Material Science Program; University of New Hampshire; Durham New Hampshire 03824-3598
| | - Peter G. Frank
- Department of Chemistry; University of New Hampshire; Durham New Hampshire 03824-3598
| | - Danming Chao
- College of Chemistry; Jilin University; Changchun People's Republic of China
| | - Erik B. Berda
- Department of Chemistry and Material Science Program; University of New Hampshire; Durham New Hampshire 03824-3598
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74
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Zhang S, Xiao Q, Sherman SE, Muncan A, Ramos Vicente ADM, Wang Z, Hammer DA, Williams D, Chen Y, Pochan DJ, Vértesy S, André S, Klein ML, Gabius HJ, Percec V. Glycodendrimersomes from Sequence-Defined Janus Glycodendrimers Reveal High Activity and Sensor Capacity for the Agglutination by Natural Variants of Human Lectins. J Am Chem Soc 2015; 137:13334-44. [DOI: 10.1021/jacs.5b08844] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shaodong Zhang
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Qi Xiao
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Samuel E. Sherman
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Adam Muncan
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Andrea D. M. Ramos Vicente
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Zhichun Wang
- Department
of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6391, United States
| | - Daniel A. Hammer
- Department
of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6391, United States
| | - Dewight Williams
- Electron
Microscopy Resource Laboratory, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6082, United States
| | - Yingchao Chen
- Department of Materials Science & Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Darrin J. Pochan
- Department of Materials Science & Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Sabine Vértesy
- Institute
of Physiological Chemistry, Faculty of Veterinary Medicine, Ludwig-Maximilians-University, Veterinärstrasse 13, 80539 Munich, Germany
| | - Sabine André
- Institute
of Physiological Chemistry, Faculty of Veterinary Medicine, Ludwig-Maximilians-University, Veterinärstrasse 13, 80539 Munich, Germany
| | - Michael L. Klein
- Institute
of Computational Molecular Science, Temple University, Philadelphia, Pennsylvania 19122, United States
| | - Hans-Joachim Gabius
- Institute
of Physiological Chemistry, Faculty of Veterinary Medicine, Ludwig-Maximilians-University, Veterinärstrasse 13, 80539 Munich, Germany
| | - Virgil Percec
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
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75
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Qi Y, Chilkoti A. Protein-polymer conjugation-moving beyond PEGylation. Curr Opin Chem Biol 2015; 28:181-93. [PMID: 26356631 DOI: 10.1016/j.cbpa.2015.08.009] [Citation(s) in RCA: 134] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 08/05/2015] [Accepted: 08/18/2015] [Indexed: 01/09/2023]
Abstract
In this review, we summarize-from a materials science perspective-the current state of the field of polymer conjugates of peptide and protein drugs, with a focus on polymers that have been developed as alternatives to the current gold standard, poly(ethylene glycol) (PEG). PEGylation, or the covalent conjugation of PEG to biological therapeutics to improve their therapeutic efficacy by increasing their circulation half-lives and stability, has been the gold standard in the pharmaceutical industry for several decades. After years of research and development, the limitations of PEG, specifically its non-degradability and immunogenicity have become increasingly apparent. While PEG is still currently the best polymer available with the longest clinical track record, extensive research is underway to develop alternative materials in an effort to address these limitations of PEG. Many of these alternative materials have shown promise, though most of them are still in an early stage of development and their in vivo distribution, mechanism of degradation, route of elimination and immunogenicity have not been investigated to a similar extent as for PEG. Thus, further in-depth in vivo testing is essential to validate whether any of the alternative materials discussed in this review qualify as a replacement for PEG.
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Affiliation(s)
- Yizhi Qi
- Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
| | - Ashutosh Chilkoti
- Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA; Center for Biologically Inspired Materials and Materials Systems, Duke University, Durham, NC 27708, USA.
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76
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Light-responsive azobenzene-based glycopolymer micelles for targeted drug delivery to melanoma cells. Eur Polym J 2015. [DOI: 10.1016/j.eurpolymj.2015.04.001] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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77
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Xiang Y, Moulin E, Buhler E, Maaloum M, Fuks G, Giuseppone N. Hydrogen-Bonded Multifunctional Supramolecular Copolymers in Water. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:7738-7748. [PMID: 26087392 DOI: 10.1021/acs.langmuir.5b01093] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We have investigated the self-assembly in water of molecules having a single hydrophobic bis-urea domain linked to different hydrophilic functional side chains, i.e., bioactive peptidic residues and fluorescent cyanine dyes. By using a combination of spectroscopy, scattering, and microscopy techniques, we show that each one of these molecules can individually produce well-defined nanostructures such as twisted ribbons, two-dimensional plates, or branched fibers. Interestingly, when these monomers of different functionalities are mixed in an equimolar ratio, supramolecular copolymers are preferred to narcissistic segregation. Radiation scattering and imaging techniques demonstrate that one of the molecular units dictates the formation of a preferential nanostructure, and optical spectroscopies reveal the alternated nature of the copolymerization process. This work illustrates how social self-sorting in H-bond supramolecular polymers can give straightforward access to multifunctional supramolecular copolymers.
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Affiliation(s)
- Yunjie Xiang
- †SAMS research group, University of Strasbourg, Institut Charles Sadron, CNRS, 23 rue du Loess, BP 84087, 67034 Strasbourg Cedex 2, France
| | - Emilie Moulin
- †SAMS research group, University of Strasbourg, Institut Charles Sadron, CNRS, 23 rue du Loess, BP 84087, 67034 Strasbourg Cedex 2, France
| | - Eric Buhler
- ‡Matière et Systèmes Complexes (MSC) Laboratory, University of Paris Diderot-Paris VII, UMR 7057, Bâtiment Condorcet, 75205 Paris Cedex 13, France
| | - Mounir Maaloum
- †SAMS research group, University of Strasbourg, Institut Charles Sadron, CNRS, 23 rue du Loess, BP 84087, 67034 Strasbourg Cedex 2, France
| | - Gad Fuks
- †SAMS research group, University of Strasbourg, Institut Charles Sadron, CNRS, 23 rue du Loess, BP 84087, 67034 Strasbourg Cedex 2, France
| | - Nicolas Giuseppone
- †SAMS research group, University of Strasbourg, Institut Charles Sadron, CNRS, 23 rue du Loess, BP 84087, 67034 Strasbourg Cedex 2, France
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78
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Kitagishi H, Kawasaki H, Kano K. Bioconjugation of Serum Albumin to a Maleimide-appended Porphyrin/Cyclodextrin Supramolecular Complex as an Artificial Oxygen Carrier in the Bloodstream. Chem Asian J 2015; 10:1768-75. [DOI: 10.1002/asia.201500451] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Indexed: 12/17/2022]
Affiliation(s)
- Hiroaki Kitagishi
- Department of Molecular Chemistry and Biochemistry; Faculty of Science and Engineering; Doshisha University; 1-3 Tatara Miyakodani, Kyotanabe Kyoto 610-0321 Japan
| | - Hiroki Kawasaki
- Department of Molecular Chemistry and Biochemistry; Faculty of Science and Engineering; Doshisha University; 1-3 Tatara Miyakodani, Kyotanabe Kyoto 610-0321 Japan
| | - Koji Kano
- Department of Molecular Chemistry and Biochemistry; Faculty of Science and Engineering; Doshisha University; 1-3 Tatara Miyakodani, Kyotanabe Kyoto 610-0321 Japan
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79
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Shmendel EV, Perevoshchikova KA, Shishova DK, Kubasova TS, Tyutyunnik LL, Maslov MA, Morozova NG, Shtil AA. Synthesis of new carbohydrate-containing cationic alkyl glycerolipids with antitumor activity. Russ Chem Bull 2015. [DOI: 10.1007/s11172-015-1055-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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80
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Lin K, Kasko AM. Multivalent 3D Display of Glycopolymer Chains for Enhanced Lectin Interaction. Bioconjug Chem 2015; 26:1504-12. [PMID: 26111224 DOI: 10.1021/acs.bioconjchem.5b00140] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Synthetic glycoprotein conjugates were synthesized through the polymerization of glycomonomers (mannose and/or galactose acrylate) directly from a protein macroinitiator. This design combines the multivalency of polymer structures with 3D display of saccharides randomly arranged around a central protein structure. The conjugates were tested for their interaction with mannose binding lectin (MBL), a key protein of immune complement. Increasing mannose number (controlled through polymer chain length) and density (controlled through comonomer feed ratio of mannose versus galactose) result in greater interaction with MBL. Most significantly, mannose glycopolymers displayed in a multivalent and 3D configuration from the protein exhibit dramatically enhanced interaction with MBL compared to linear glycopolymer chains with similar total valency but lacking 3D display. These findings demonstrate the importance of the 3D presentation of ligand structures for designing biomimetic materials.
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Affiliation(s)
- Kenneth Lin
- Department of Bioengineering, University of California Los Angeles, California 90095, United States
| | - Andrea M Kasko
- Department of Bioengineering, University of California Los Angeles, California 90095, United States
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81
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Dübner M, Gevrek TN, Sanyal A, Spencer ND, Padeste C. Fabrication of Thiol-Ene "Clickable" Copolymer-Brush Nanostructures on Polymeric Substrates via Extreme Ultraviolet Interference Lithography. ACS APPLIED MATERIALS & INTERFACES 2015; 7:11337-11345. [PMID: 25978723 DOI: 10.1021/acsami.5b01804] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We demonstrate a new approach to grafting thiol-reactive nanopatterned copolymer-brush structures on polymeric substrates by means of extreme ultraviolet (EUV) interference lithography. The copolymer brushes were designed to contain maleimide functional groups as thiol-reactive centers. Fluoropolymer films were exposed to EUV radiation at the X-ray interference lithography beamline (XIL-II) at the Swiss Light Source, in order to create radical patterns on their surfaces. The radicals served as initiators for the copolymerization of thiol-ene "clickable" brushes, composed of a furan-protected maleimide monomer (FuMaMA) and different methacrylates, namely, methyl methacrylate (MMA), ethylene glycol methyl ether methacrylate (EGMA), or poly(ethylene glycol) methyl ether methacrylate (PEGMA). Copolymerization with ethylene-glycol-containing monomers provides antibiofouling properties to these surfaces. The number of reactive centers on the grafted brush structures can be tailored by varying the monomer ratios in the feed. Grafted copolymers were characterized by using attenuated total reflection infrared (ATR-IR) spectroscopy. The reactive maleimide methacrylate (MaMA) units were utilized to conjugate thiol-containing moieties using the nucleophilic Michael-addition reaction, which proceeds at room temperature without the need for any metal-based catalyst. Using this approach, a variety of functionalities was introduced to yield polyelectrolytes, as well as fluorescent and light-responsive polymer-brush structures. Functionalization of the brush structures was demonstrated via ATR-IR and UV-vis spectroscopy and fluorescence microscopy, and was also indicated by a color switch. Furthermore, grafted surfaces were generated via plasma activation, showing a strongly increased wettability for polyelectrolytes and a reversible switch in static water contact angle (CA) of up to 18° for P(EGMA-co-MaMA-SP) brushes, upon exposure to alternating visible and UV-light irradiation.
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Affiliation(s)
- Matthias Dübner
- †Laboratory for Micro- and Nanotechnology, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
- ‡Laboratory for Surface Science and Technology, Department of Materials, ETH Zürich, CH-8093 Zürich, Switzerland
| | - Tugce N Gevrek
- §Department of Chemistry, Bogazici University, Bebek, 34342 Istanbul, Turkey
| | - Amitav Sanyal
- §Department of Chemistry, Bogazici University, Bebek, 34342 Istanbul, Turkey
| | - Nicholas D Spencer
- ‡Laboratory for Surface Science and Technology, Department of Materials, ETH Zürich, CH-8093 Zürich, Switzerland
| | - Celestino Padeste
- †Laboratory for Micro- and Nanotechnology, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
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82
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83
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Muñoz-Bonilla A, León O, Cerrada ML, Rodríguez-Hernández J, Sánchez-Chaves M, Fernández-García M. Chemical modification of block copolymers based on 2-hydroxyethyl acrylate to obtain amphiphilic glycopolymers. Eur Polym J 2015. [DOI: 10.1016/j.eurpolymj.2014.11.026] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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84
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Cook MT, Smith SL, Khutoryanskiy VV. Novel glycopolymer hydrogels as mucosa-mimetic materials to reduce animal testing. Chem Commun (Camb) 2015. [DOI: 10.1039/c5cc02428e] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Glycopolymer hydrogels capable of mimicking mucosal tissue in mucoadhesion testing have been designed.
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85
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Dhumure AB, Patil AB, Kulkarni AS, Voevodina I, Scandola M, Shinde VS. Thermoresponsive copolymers with pendant d-galactosyl 1,2,3-triazole groups: synthesis, characterization and thermal behavior. NEW J CHEM 2015. [DOI: 10.1039/c5nj01334h] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of glycopolymers containing d-galactosyl 1,2,3-triazole groups were synthesized which exhibited thermosensitivity properties.
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Affiliation(s)
- Archana B. Dhumure
- Department of Chemistry
- Savitribai Phule Pune University (Formerly, University of Pune)
- Pune 411007
- India
| | - Ajay B. Patil
- Department of Chemistry
- Savitribai Phule Pune University (Formerly, University of Pune)
- Pune 411007
- India
| | - Anuja S. Kulkarni
- Department of Chemistry
- Savitribai Phule Pune University (Formerly, University of Pune)
- Pune 411007
- India
| | - Irina Voevodina
- Department of Chemistry ‘G. Ciamician’
- University of Bologna
- 40126 Bologna
- Italy
| | | | - Vaishali S. Shinde
- Department of Chemistry
- Savitribai Phule Pune University (Formerly, University of Pune)
- Pune 411007
- India
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86
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Zhu H, Chen G, Zhang Z, Zhou N, Zhang W, Zhu X. Fe(0) powder-catalyzed one-pot reaction: concurrent living radical polymerization and click chemistry for topological polymers. Polym Chem 2015. [DOI: 10.1039/c5py00654f] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fe(0) powder-catalyzed one-pot reaction was successfully employed to design linear and star polymers in a well-controlled manner by combining ambient temperature living radical polymerization and click chemistry.
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Affiliation(s)
- Hui Zhu
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
| | - Gaojian Chen
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
| | - Zhenbiao Zhang
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
| | - Nianchen Zhou
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
| | - Weidong Zhang
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
| | - Xiulin Zhu
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
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87
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Liau WT, Bonduelle C, Brochet M, Lecommandoux S, Kasko AM. Synthesis, Characterization, and Biological Interaction of Glyconanoparticles with Controlled Branching. Biomacromolecules 2014; 16:284-94. [DOI: 10.1021/bm501482q] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Walter T. Liau
- Department
of Bioengineering, University of California, Los Angeles, 410 Westwood
Plaza, Room 5121, Engineering V, PO Box 951600, Los Angeles, California 90095-1600, United States
| | - Colin Bonduelle
- ENSCBP, Université de Bordeaux/IPB, 16 avenue Pey Berland, 33607 Pessac Cedex, France
- Laboratoire
de Chimie des Polymères Organiques, UMR5629, CNRS, 33607 Pessac, France
| | - Marion Brochet
- ENSCBP, Université de Bordeaux/IPB, 16 avenue Pey Berland, 33607 Pessac Cedex, France
- Laboratoire
de Chimie des Polymères Organiques, UMR5629, CNRS, 33607 Pessac, France
| | - Sébastien Lecommandoux
- ENSCBP, Université de Bordeaux/IPB, 16 avenue Pey Berland, 33607 Pessac Cedex, France
- Laboratoire
de Chimie des Polymères Organiques, UMR5629, CNRS, 33607 Pessac, France
| | - Andrea M. Kasko
- Department
of Bioengineering, University of California, Los Angeles, 410 Westwood
Plaza, Room 5121, Engineering V, PO Box 951600, Los Angeles, California 90095-1600, United States
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88
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Averick S, Mehl RA, Das SR, Matyjaszewski K. Well-defined biohybrids using reversible-deactivation radical polymerization procedures. J Control Release 2014; 205:45-57. [PMID: 25483427 DOI: 10.1016/j.jconrel.2014.11.030] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 11/21/2014] [Accepted: 11/24/2014] [Indexed: 01/20/2023]
Abstract
The use of reversible deactivation radical polymerization (RDRP) methods has significantly expanded the field of bioconjugate synthesis. RDRP procedures have allowed the preparation of a broad range of functional materials that could not be realized using prior art poly(ethylene glycol) functionalization. The review of procedures for synthesis of biomaterials is presented with a special focus on the use of RDRP to prepare biohybrids with proteins, DNA and RNA.
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Affiliation(s)
- Saadyah Averick
- Laboratory for Bimolecular Medicine, Allegheny Health Network Research Institute, 320 E. North St., Pittsburgh, PA 15212, USA.
| | - Ryan A Mehl
- Department of Biochemistry and Biophysics, Oregon State University, Corvallis, OR 97331, USA.
| | - Subha R Das
- Center for Nucleic Acids Science and Technology, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA 15213, USA; Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA 15213, USA.
| | - Krzysztof Matyjaszewski
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA 15213, USA.
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89
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Park H, Rosencrantz RR, Elling L, Böker A. Glycopolymer Brushes for Specific Lectin Binding by Controlled Multivalent Presentation ofN-Acetyllactosamine Glycan Oligomers. Macromol Rapid Commun 2014; 36:45-54. [DOI: 10.1002/marc.201400453] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Revised: 09/28/2014] [Indexed: 12/18/2022]
Affiliation(s)
- Hyunji Park
- DWI - Leibniz-Institut für Interaktive Materialien; Lehrstuhl für Makromolekulare Materialien und Oberflächen; RWTH Aachen University; Forckenbeckstr. 50 52074 Aachen Germany
| | - Ruben R. Rosencrantz
- Laboratory for Biomaterials; Institute for Biotechnology and Helmholtz-Institute for Biomedical Engineering; RWTH Aachen University; Pauwelsstr. 20 52074 Aachen Germany
| | - Lothar Elling
- Laboratory for Biomaterials; Institute for Biotechnology and Helmholtz-Institute for Biomedical Engineering; RWTH Aachen University; Pauwelsstr. 20 52074 Aachen Germany
| | - Alexander Böker
- DWI - Leibniz-Institut für Interaktive Materialien; Lehrstuhl für Makromolekulare Materialien und Oberflächen; RWTH Aachen University; Forckenbeckstr. 50 52074 Aachen Germany
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90
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Yilmaz G, Becer CR. Glycopolymer code based on well-defined glycopolymers or glyconanomaterials and their biomolecular recognition. Front Bioeng Biotechnol 2014; 2:39. [PMID: 25353022 PMCID: PMC4196633 DOI: 10.3389/fbioe.2014.00039] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2014] [Accepted: 09/15/2014] [Indexed: 11/13/2022] Open
Abstract
Advances in the glycopolymer technology have allowed the preparation of more complex and well-defined glycopolymers/particles with several architectures from linear to globular structures (such as micelles, dendrimers, and nanogels). In the last decade, functionalized self-assembled/decided nano-objects and scaffolds containing glycopolymers were designed to develop many biological and biomedical applications in diseases treatments such as pathogen detection, inhibitors of toxins, and lectin-based biosensors. These studies will facilitate the understanding and investigation of the sugar code on the carbohydrate-lectin interactions, which are significantly influenced by the glycopolymer architecture, valency, size, and density of binding elements. In this context, these advanced and selected glycopolymers/particles showing specific interactions with various lectins are highlighted.
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Affiliation(s)
- Gokhan Yilmaz
- Department of Chemistry, University of Warwick, Coventry, UK
- Department of Basic Sciences, Turkish Military Academy, Ankara, Turkey
| | - C. Remzi Becer
- School of Engineering and Materials Science, Queen Mary University of London, London, UK
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91
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Pelegri-O'Day EM, Lin EW, Maynard HD. Therapeutic protein-polymer conjugates: advancing beyond PEGylation. J Am Chem Soc 2014; 136:14323-32. [PMID: 25216406 DOI: 10.1021/ja504390x] [Citation(s) in RCA: 464] [Impact Index Per Article: 46.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Protein-polymer conjugates are widely used as therapeutics. All Food and Drug Administration (FDA)-approved protein conjugates are covalently linked to poly(ethylene glycol) (PEG). These PEGylated drugs have longer half-lives in the bloodstream, leading to less frequent dosing, which is a significant advantage for patients. However, there are some potential drawbacks to PEG that are driving the development of alternatives. Polymers that display enhanced pharmacokinetic properties along with additional advantages such as improved stability or degradability will be important to advance the field of protein therapeutics. This perspective presents a summary of protein-PEG conjugates for therapeutic use and alternative technologies in various stages of development as well as suggestions for future directions. Established methods of producing protein-PEG conjugates and new approaches utilizing controlled radical polymerization are also covered.
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Affiliation(s)
- Emma M Pelegri-O'Day
- Department of Chemistry and Biochemistry and California Nanosystems Institute, University of California, Los Angeles , 607 Charles E. Young Drive East, Los Angeles, California 90095, United States
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92
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Synthesis and characterization of amphiphilic poly(pseudo-amino acid) polymers containing a nucleobase. Polym J 2014. [DOI: 10.1038/pj.2014.52] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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93
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Arslan M, Gevrek TN, Lyskawa J, Szunerits S, Boukherroub R, Sanyal R, Woisel P, Sanyal A. Bioinspired Anchorable Thiol-Reactive Polymers: Synthesis and Applications Toward Surface Functionalization of Magnetic Nanoparticles. Macromolecules 2014. [DOI: 10.1021/ma500693f] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Mehmet Arslan
- Department
of Chemistry, Bogazici University, Bebek, 34342, Istanbul, Turkey
| | - Tugce Nihal Gevrek
- Department
of Chemistry, Bogazici University, Bebek, 34342, Istanbul, Turkey
| | - Joel Lyskawa
- Université Lille Nord de France, F-59000 Lille, France
- Unité
des Matériaux Et Transformations (UMET, UMR 8207), Equipe Ingénierie
des Systèmes polymères (ISP), Université Lille 1, F-59655, Villeneuve d’Ascq Cedex, France
| | - Sabine Szunerits
- Institut
de Recherche Interdisciplinaire-IRI, Parc de la Haute Borne, 50
avenue de Halley, BP70478, 59658 Villeneuve d’Ascq Cedex, France
| | - Rabah Boukherroub
- Institut
de Recherche Interdisciplinaire-IRI, Parc de la Haute Borne, 50
avenue de Halley, BP70478, 59658 Villeneuve d’Ascq Cedex, France
| | - Rana Sanyal
- Department
of Chemistry, Bogazici University, Bebek, 34342, Istanbul, Turkey
- Center
for Life Sciences and Technologies, Bogazici University, Istanbul, Turkey
| | - Patrice Woisel
- Université Lille Nord de France, F-59000 Lille, France
- Unité
des Matériaux Et Transformations (UMET, UMR 8207), Equipe Ingénierie
des Systèmes polymères (ISP), Université Lille 1, F-59655, Villeneuve d’Ascq Cedex, France
- ENSCL, F-59655 Villeneuve
d’Ascq, France
| | - Amitav Sanyal
- Department
of Chemistry, Bogazici University, Bebek, 34342, Istanbul, Turkey
- Center
for Life Sciences and Technologies, Bogazici University, Istanbul, Turkey
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94
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Lin K, Kasko AM. Carbohydrate-Based Polymers for Immune Modulation. ACS Macro Lett 2014; 3:652-657. [PMID: 25844272 PMCID: PMC4372078 DOI: 10.1021/mz5002417] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2014] [Accepted: 06/03/2014] [Indexed: 12/13/2022]
Abstract
Carbohydrates play prominent roles in immune surveillance and response to infection. Multivalency, molecular weight control, and molecular architecture control are properties that polymer science is well suited to address. Each of these properties has been demonstrated to impact the biological interaction of carbohydrate-bearing chains with their binding partners. This viewpoint highlights synthetic advances and potential applications of carbohydrate-based polymers for immune modulation. It also offers future directions in polymer science necessary for carbohydrate polymers to fulfill their potential as immune modulators.
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Affiliation(s)
- Kenneth Lin
- Department
of Bioengineering, University of California,
Los Angeles, 410 Westwood
Plaza, Room 5121, Engineering
V, P.O. Box 951600, Los Angeles, California 90095-1600, United States
| | - Andrea M. Kasko
- Department
of Bioengineering, University of California,
Los Angeles, 410 Westwood
Plaza, Room 5121, Engineering
V, P.O. Box 951600, Los Angeles, California 90095-1600, United States
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95
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Fiore M, Daskhan GC, Thomas B, Renaudet O. Orthogonal dual thiol-chloroacetyl and thiol-ene couplings for the sequential one-pot assembly of heteroglycoclusters. Beilstein J Org Chem 2014; 10:1557-63. [PMID: 25161711 PMCID: PMC4142873 DOI: 10.3762/bjoc.10.160] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Accepted: 06/10/2014] [Indexed: 12/14/2022] Open
Abstract
We describe the first one-pot orthogonal strategy to prepare well-defined cyclopeptide-based heteroglycoclusters (hGCs) from glycosyl thiols. Both thiol–chloroactetyl coupling (TCC) and thiol–ene coupling (TEC) have been used to decorate cyclopeptides regioselectively with diverse combination of sugars. We demonstrate that the reaction sequence starting with TCC can be performed one-pot whereas the reverse sequence requires a purification step after the TEC reaction. The versatility of this orthogonal strategy has been demonstrated through the synthesis of diverse hGCs displaying alternating binary combinations of α-D-Man or β-D-GlcNAc, thus providing rapid access to attractive heteroglycosylated platforms for diverse biological applications.
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Affiliation(s)
- Michele Fiore
- Département de Chimie Moléculaire, UMR-CNRS 5250 & ICMG FR2607, Université Joseph Fourier, PB 53, 38041 Grenoble Cedex 9, France
| | - Gour Chand Daskhan
- Département de Chimie Moléculaire, UMR-CNRS 5250 & ICMG FR2607, Université Joseph Fourier, PB 53, 38041 Grenoble Cedex 9, France
| | - Baptiste Thomas
- Département de Chimie Moléculaire, UMR-CNRS 5250 & ICMG FR2607, Université Joseph Fourier, PB 53, 38041 Grenoble Cedex 9, France
| | - Olivier Renaudet
- Département de Chimie Moléculaire, UMR-CNRS 5250 & ICMG FR2607, Université Joseph Fourier, PB 53, 38041 Grenoble Cedex 9, France ; Institut Universitaire de France, 103 Boulevard Saint-Michel, 75005 Paris, France
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96
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Xu J, Jung K, Corrigan NA, Boyer C. Aqueous photoinduced living/controlled polymerization: tailoring for bioconjugation. Chem Sci 2014. [DOI: 10.1039/c4sc01309c] [Citation(s) in RCA: 168] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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97
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Gruzdys V, Zhang H, Sun XL. Glyco-modification of protein with O-cyanate chain-end functionalized glycopolymer via isourea bond formation. J Carbohydr Chem 2014; 33:368-380. [PMID: 25419041 DOI: 10.1080/07328303.2014.922189] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Glycoengineering aimed at addition of carbohydrates to proteins is an attractive approach to alter pharmacokinetic properties of proteins such as enhancing stability and prolonging the duration of action. We report a novel protein glyco-modification of BSA and recombinant thrombomodulin with O-cyanate chain-end functionalized glycopolymer via isourea bond formation. The protein glycoconjugates were confirmed by SDS-PAGE, western blot, and MALDI-TOF Mass Spectrometry. Protein C activation activity of the glyco-modified recombinant thrombomodulin was confirmed, proving no interference to activity from the glycopolymer modification. The isourea bond formation under mild conditions was demonstrated as an alternative method for protein modification with polymers.
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Affiliation(s)
- Valentinas Gruzdys
- Department of Chemistry, Chemical and Biomedical Engineering, and Center for Gene Regulation in Health and Disease (GRHD), Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Hailong Zhang
- Department of Chemistry, Chemical and Biomedical Engineering, and Center for Gene Regulation in Health and Disease (GRHD), Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Xue-Long Sun
- Department of Chemistry, Chemical and Biomedical Engineering, and Center for Gene Regulation in Health and Disease (GRHD), Cleveland State University, 2121 Euclid Ave., Cleveland, OH 44115, USA
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98
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Hickling C, Toogood HS, Saiani A, Scrutton NS, Miller AF. Nanofibrillar Peptide hydrogels for the immobilization of biocatalysts for chemical transformations. Macromol Rapid Commun 2014; 35:868-74. [PMID: 24604676 PMCID: PMC4316184 DOI: 10.1002/marc.201400027] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2014] [Indexed: 01/12/2023]
Abstract
Enzymes are attractive, "green" alternatives to chemical catalysts within the industrial sector, but their robustness to environmental conditions needs optimizing. Here, an enzyme is tagged chemically and recombinantly with a self-assembling peptide that allows the conjugate to spontaneously assemble with pure peptide to form β-sheet-rich nanofibers decorated with tethered enzyme. Above a critical concentration, these fibers entangle and form a 3D hydrogel. The immobilized enzyme catalyzes chemical transformations and critically its stability is increased significantly where it retains activity after exposure to high temperatures (90 °C) and long storage times (up to 12 months).
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Affiliation(s)
- Christopher Hickling
- School of Chemical Engineering and Analytical Science, Manchester Institute of Biotechnology, University of Manchester131 Princess Street, Manchester, M1, 7DN, UK
| | - Helen S Toogood
- Manchester Institute of Biotechnology, Faculty of Life Sciences131 Princess Street, Manchester, M1, 7DN, UK
| | - Alberto Saiani
- Manchester Institute of Biotechnology, School of Materials, University of ManchesterManchester, M1, 3 9PL, UK
| | - Nigel S Scrutton
- Manchester Institute of Biotechnology, Faculty of Life Sciences131 Princess Street, Manchester, M1, 7DN, UK
| | - Aline F Miller
- School of Chemical Engineering and Analytical Science, Manchester Institute of Biotechnology, University of Manchester131 Princess Street, Manchester, M1, 7DN, UK
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99
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Levenson EA, Kiick KL. DNA-polymer conjugates for immune stimulation through Toll-like receptor 9 mediated pathways. Acta Biomater 2014; 10:1134-45. [PMID: 24316364 DOI: 10.1016/j.actbio.2013.11.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2013] [Revised: 10/01/2013] [Accepted: 11/24/2013] [Indexed: 01/01/2023]
Abstract
Oligodeoxynucleotides (ODNs) containing unmethylated CpG dinucleotide motifs are agonists of Toll-like receptor 9 and are currently being investigated for use as vaccine adjuvants through the promotion of type I immunity. Several classes of ODN have been developed which differ in their propensity to aggregate, which in turn alters cytokine profiles and cellular subsets activated. Although aggregation state is correlated with the change in cytokine response, it is unknown if this results from a change in the number of ODNs available for binding and/or the possible engagement of multiple TLR9 molecules. Here, we examined the role of ligand valency on the activation of TLR9 through the synthesis of ODN-poly(acrylic acid) (PAA) conjugates. The compositions and size of the conjugates were characterized by UV-vis spectroscopy, proton nuclear magnetic resonance, gel permeation chromatography and dynamic light scattering. Enzyme-linked immunosorbent assays of cytokine secretion by murine-like macrophages indicate that these ODN-PAA polymer conjugates show enhanced immunostimulation at 100-fold lower concentrations than those required for ODN alone, for both TNF-α and IL-6 release, and are more potent than any other previously reported multivalent ODN constructs. Increasing valency was shown to significantly enhance cytokine expression, particularly for IL-6. Knockdown by siRNA demonstrates that these polymer conjugates are specific to TLR9. Our results define valency as a critical design parameter and polymer conjugation as an advantageous strategy for producing ODN immunomodulatory agents.
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Affiliation(s)
- Eric A Levenson
- Department of Chemistry and Biochemistry, University of Delaware, Newark, DE 19716, USA
| | - Kristi L Kiick
- Department of Materials Science and Engineering, University of Delaware, Newark, DE 19716, USA; Biomedical Engineering, University of Delaware, Newark, DE 19716, USA; The Delaware Biotechnology Institute, University of Delaware, Newark, DE 19716, USA.
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100
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Lu J, Zhang W, Richards SJ, Gibson MI, Chen G. Glycopolymer-coated gold nanorods synthesised by a one pot copper(0) catalyzed tandem RAFT/click reaction. Polym Chem 2014. [DOI: 10.1039/c3py01526b] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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