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A review of emerging bone tissue engineering via PEG conjugated biodegradable amphiphilic copolymers. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 97:1021-1035. [PMID: 30678893 DOI: 10.1016/j.msec.2019.01.057] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 12/26/2018] [Accepted: 01/12/2019] [Indexed: 01/19/2023]
Abstract
Defects in bones can be caused by a plethora of reasons, such as trauma or illness, and in many cases, it poses challenges to the current treatment approaches for bone repair. With increasing demand of bone bioengineering in tissue transplant, there is a need to source for sustainable solutions to induce bone regeneration. Polymeric biomaterials have been identified as a promising approach due to its excellent biocompatibility and controllable biodegradability. Specifically, poly(ethylene glycol) (PEG) is one of the most commonly investigated polymer for use in bio-related application due to its bioinertness and versatility. Furthermore, the hydrophilic nature enables it to be incorporated with hydrophobic but biodegradable polymers like, polylactide (PLA) and polycaprolactone (PCL), to create an amphiphilic polymer. This article reviews the recent synthetic strategies available for the construction of PEG conjugated polymeric system, analysis of PEG influence on the material properties, and provides an overview of its application in bone engineering.
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A S, Xu Q, Zhou D, Gao Y, Vasquez JM, Greiser U, Wang W, Liu W, Wang W. Hyperbranched PEG-based multi-NHS polymer and bioconjugation with BSA. Polym Chem 2017. [DOI: 10.1039/c6py01719c] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A hyperbranched PEG-based polymer with multiple NHS functional groups (>12) was successfully synthesized, which can react easily with a BSA to form a PEG/protein hydrogel that displays great potential for biomedical applications.
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Affiliation(s)
- Sigen A
- Charles Institute of Dermatology
- School of Medicine
- University College Dublin
- Dublin 4
- Ireland
| | - Qian Xu
- Charles Institute of Dermatology
- School of Medicine
- University College Dublin
- Dublin 4
- Ireland
| | - Dezhong Zhou
- Charles Institute of Dermatology
- School of Medicine
- University College Dublin
- Dublin 4
- Ireland
| | - Yongsheng Gao
- Charles Institute of Dermatology
- School of Medicine
- University College Dublin
- Dublin 4
- Ireland
| | - Jeddah Marie Vasquez
- Charles Institute of Dermatology
- School of Medicine
- University College Dublin
- Dublin 4
- Ireland
| | - Udo Greiser
- Charles Institute of Dermatology
- School of Medicine
- University College Dublin
- Dublin 4
- Ireland
| | - Wei Wang
- Charles Institute of Dermatology
- School of Medicine
- University College Dublin
- Dublin 4
- Ireland
| | - Wenguang Liu
- School of Materials Science and Engineering
- Tianjin Key Laboratory of Composite and Functional Materials
- Tianjin University
- Tianjin 300350
- China
| | - Wenxin Wang
- Charles Institute of Dermatology
- School of Medicine
- University College Dublin
- Dublin 4
- Ireland
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Herzberger J, Niederer K, Pohlit H, Seiwert J, Worm M, Wurm FR, Frey H. Polymerization of Ethylene Oxide, Propylene Oxide, and Other Alkylene Oxides: Synthesis, Novel Polymer Architectures, and Bioconjugation. Chem Rev 2015; 116:2170-243. [PMID: 26713458 DOI: 10.1021/acs.chemrev.5b00441] [Citation(s) in RCA: 451] [Impact Index Per Article: 50.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The review summarizes current trends and developments in the polymerization of alkylene oxides in the last two decades since 1995, with a particular focus on the most important epoxide monomers ethylene oxide (EO), propylene oxide (PO), and butylene oxide (BO). Classical synthetic pathways, i.e., anionic polymerization, coordination polymerization, and cationic polymerization of epoxides (oxiranes), are briefly reviewed. The main focus of the review lies on more recent and in some cases metal-free methods for epoxide polymerization, i.e., the activated monomer strategy, the use of organocatalysts, such as N-heterocyclic carbenes (NHCs) and N-heterocyclic olefins (NHOs) as well as phosphazene bases. In addition, the commercially relevant double-metal cyanide (DMC) catalyst systems are discussed. Besides the synthetic progress, new types of multifunctional linear PEG (mf-PEG) and PPO structures accessible by copolymerization of EO or PO with functional epoxide comonomers are presented as well as complex branched, hyperbranched, and dendrimer like polyethers. Amphiphilic block copolymers based on PEO and PPO (Poloxamers and Pluronics) and advances in the area of PEGylation as the most important bioconjugation strategy are also summarized. With the ever growing toolbox for epoxide polymerization, a "polyether universe" may be envisaged that in its structural diversity parallels the immense variety of structural options available for polymers based on vinyl monomers with a purely carbon-based backbone.
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Affiliation(s)
- Jana Herzberger
- Institute of Organic Chemistry, Johannes Gutenberg-University Mainz , Duesbergweg 10-14, D-55128 Mainz, Germany.,Graduate School Materials Science in Mainz , Staudingerweg 9, D-55128 Mainz, Germany
| | - Kerstin Niederer
- Institute of Organic Chemistry, Johannes Gutenberg-University Mainz , Duesbergweg 10-14, D-55128 Mainz, Germany
| | - Hannah Pohlit
- Institute of Organic Chemistry, Johannes Gutenberg-University Mainz , Duesbergweg 10-14, D-55128 Mainz, Germany.,Graduate School Materials Science in Mainz , Staudingerweg 9, D-55128 Mainz, Germany.,Max Planck Graduate Center , Staudingerweg 6, D-55128 Mainz, Germany.,Department of Dermatology, University Medical Center , Langenbeckstraße 1, D-55131 Mainz, Germany
| | - Jan Seiwert
- Institute of Organic Chemistry, Johannes Gutenberg-University Mainz , Duesbergweg 10-14, D-55128 Mainz, Germany
| | - Matthias Worm
- Institute of Organic Chemistry, Johannes Gutenberg-University Mainz , Duesbergweg 10-14, D-55128 Mainz, Germany.,Max Planck Graduate Center , Staudingerweg 6, D-55128 Mainz, Germany
| | - Frederik R Wurm
- Max Planck Graduate Center , Staudingerweg 6, D-55128 Mainz, Germany.,Max Planck Institute for Polymer Research , Ackermannweg 10, D-55128 Mainz, Germany
| | - Holger Frey
- Institute of Organic Chemistry, Johannes Gutenberg-University Mainz , Duesbergweg 10-14, D-55128 Mainz, Germany.,Graduate School Materials Science in Mainz , Staudingerweg 9, D-55128 Mainz, Germany
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Kim CJ, Lee DI, Kim C, Lee K, Lee CH, Ahn IS. Gold Nanoparticles-Based Colorimetric Assay for Cathepsin B Activity and the Efficiency of Its Inhibitors. Anal Chem 2014; 86:3825-33. [DOI: 10.1021/ac4039064] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Chan-Jin Kim
- Department
of Chemical and Biomolecular Engineering, Yonsei University, Seoul 120-749, South Korea
| | - Dong-Ik Lee
- Dityrosine Innovation Chemical (D. I. Chemical), Seoul 120-749, South Korea
| | - Cheonghee Kim
- Department
of Chemical and Biomolecular Engineering, Yonsei University, Seoul 120-749, South Korea
| | - Kangtaek Lee
- Department
of Chemical and Biomolecular Engineering, Yonsei University, Seoul 120-749, South Korea
| | - Chang-Ha Lee
- Department
of Chemical and Biomolecular Engineering, Yonsei University, Seoul 120-749, South Korea
| | - Ik-Sung Ahn
- Department
of Chemical and Biomolecular Engineering, Yonsei University, Seoul 120-749, South Korea
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Southan A, Hoch E, Schönhaar V, Borchers K, Schuh C, Müller M, Bach M, Tovar GEM. Side chain thiol-functionalized poly(ethylene glycol) by post-polymerization modification of hydroxyl groups: synthesis, crosslinking and inkjet printing. Polym Chem 2014. [DOI: 10.1039/c4py00099d] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Thiol functionalized PEG-based polymers were synthesized by post polymerization reactions of hydroxyl functionalized polymers. Applications of the polymers in cell culture and inkjet printing were demonstrated.
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Affiliation(s)
- Alexander Southan
- Institute of Interfacial Process Engineering and Plasma Technology IGVP
- University of Stuttgart
- 70569 Stuttgart, Germany
| | - Eva Hoch
- Institute of Interfacial Process Engineering and Plasma Technology IGVP
- University of Stuttgart
- 70569 Stuttgart, Germany
| | - Veronika Schönhaar
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB
- 70569 Stuttgart, Germany
| | - Kirsten Borchers
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB
- 70569 Stuttgart, Germany
| | - Christian Schuh
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB
- 70569 Stuttgart, Germany
| | - Michaela Müller
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB
- 70569 Stuttgart, Germany
| | - Monika Bach
- Institute of Interfacial Process Engineering and Plasma Technology IGVP
- University of Stuttgart
- 70569 Stuttgart, Germany
| | - Günter E. M. Tovar
- Institute of Interfacial Process Engineering and Plasma Technology IGVP
- University of Stuttgart
- 70569 Stuttgart, Germany
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB
- 70569 Stuttgart, Germany
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