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Indla NR, Maruthi Y, Rawat R, Sandeep Kumar T, Ramesh Reddy N, Sharma M, Aminabhavi TM, Kakarla RR, Sainath AVS. Synthesis and biological properties of novel glucose-based fluoro segmented macromolecular architectures. Int J Biol Macromol 2024; 268:131724. [PMID: 38653427 DOI: 10.1016/j.ijbiomac.2024.131724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 04/12/2024] [Accepted: 04/19/2024] [Indexed: 04/25/2024]
Abstract
The emergence of novel well-defined biological macromolecular architectures containing fluorine moieties displaying superior functionalities can satisfactorily address many biomedical challenges. In this research, ABA- and AB-type glucose-based biological macromolecules were synthesized using acryl-2,3,4,6-tetra-O-acetyl-D-glucopyranoside with pentafluorophenyl (FPM), pentafluorobenzyl (FBM), phenyl (PM) and benzyl (BM) methacrylate-based macro-RAFT agents following RAFT polymerization. The macro-RAFT agents and the corresponding copolymers were characterized by 19F, 1H, and 13C NMR and FTIR spectroscopic techniques to understand the chemical structure, molecular weight by size-exclusion chromatography, thermal analysis by TGA and DSC. Thermal stability (Td5%) of the FPM and FBM fluoro-based polymers was observed in the range of 219-267 °C, while the non-fluoro PM and BM polymers exhibited in the range of 216-264 °C. Among the macro-RAFT agents, PFPM (107 °C, ΔH: 0.613 J/g) and PPM (103 °C, ΔH: 0.455 J/g) showed higher Tm values, while among the block copolymers, PFBM-b-PG (123 °C, ΔH: 0.412 J/g) and PG-b-PFPM-b-PG (126 °C, ΔH: 0.525 J/g) exhibited higher Tm values. PFBMT and PPM macro-RAFT agents, PPM-b-PG and PG-b-PPM-b-PG copolymer spin-coated films showed the highest hydrophobicity (120°) among the synthesized polymers. The block copolymers exhibited self-assembled segregation by using relatively hydrophobic segments as the core and hydrophilic moieties as the corona. Synthesized biological macromolecules exhibit maximum antibacterial activity towards S. aureus than E. coli bacteria. Fluorophenyl (PFPM) and non-fluorobenzyl-based (PBMT) macro-RAFT agents exhibit low IC50 values, suggesting high cytotoxicity. All the triblock copolymers exhibit lesser cytotoxicity than the di-block polymers.
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Affiliation(s)
- Nagamalleswara Rao Indla
- Fluoro-Agrochemicals, Polymers and Functional Materials Department, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Yeggada Maruthi
- Fluoro-Agrochemicals, Polymers and Functional Materials Department, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500007, India
| | - Reetika Rawat
- Banasthali Vidyapith, Department of Pharm, Banasthali 304022, Rajasthan, India
| | - T Sandeep Kumar
- Fluoro-Agrochemicals, Polymers and Functional Materials Department, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500007, India
| | - N Ramesh Reddy
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Manu Sharma
- Banasthali Vidyapith, Department of Pharm, Banasthali 304022, Rajasthan, India
| | - Tejraj M Aminabhavi
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi 580 031, Karnataka, India; Korea University, Seoul, Republic of Korea.
| | - Raghava Reddy Kakarla
- School Chemical Biomolecular Engineering, The University of Sydney, Sydney, NSW 2006, Australia.
| | - Annadanam V Sesha Sainath
- Fluoro-Agrochemicals, Polymers and Functional Materials Department, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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2
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Rao NNM, Palodkar KK, Kumar TS, Sadhu V, Aminabhavi TM, Kakarla RR, Sesha Sainath AV. Water-soluble PEG segmented mannose-based macromolecules: Synthesis and their biocompatibility. Int J Biol Macromol 2023; 237:124119. [PMID: 36963543 DOI: 10.1016/j.ijbiomac.2023.124119] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 02/11/2023] [Accepted: 03/17/2023] [Indexed: 03/26/2023]
Abstract
The macromolecular architectures, namely mannose-based methacrylate acetyl-mannopyranoside and PEG block copolymers (AB type copolymer [PEG-b-PMAM], poly(ethyleneglycol)-b-poly(methacryl-2,3,4,6-tetra-O-acetyl-D-mannopyranoside and ABA type copolymer [PMAM-b-PEG-b-PMAM], poly(methacryl-2,3,4,6-tetra-O-acetyl-D-mannopyranoside-b-poly(ethyleneglycol)-b-poly(methacryl-2,3,4,6-tetra-O-acetyl-D-mannopyranoside) were synthesized by atom transfer radical polymerization (ATRP) method that were deacetylated to generate the corresponding water-soluble and biocompatible glycopolymer macromolecules. The molecular weight of acetyl and deacetylate macromolecules was in the range of 7083-9499 and 4659-6026, as determined by GPC and proton NMR spectra. The 5 % decomposition temperatures for acetylated methacrylate macromolecules (218-299 °C) were higher than the corresponding water-soluble macromolecules (204-248 °C). The conjugation of poly(methacryl-2,3,4,6-tetra-O-acetyl-D-mannopyranoside (PMAM) segment with the PEG block decreased the glass transition (Tg) value, and the water-soluble macromolecules displayed Tg in the range of 92-95 °C. The biocompatibility of the synthesized water-soluble mannose-based macromolecules was determined using Human Bone Derived Cells (HBDC) culture with the TCP (Tissue culture plastic) template as control. Using three different concentrations of the synthesized glycopolymers, HBDC's were cultured for 1, 3, and 7 days. The effect of mannomethacrylate macromolecules on mitochondrial activity of HBDC's was estimated using colorimetry that showed the conversion of MTS [3-(4,5-dimethyl-thiazol-2-yl)-2,5-diphenyl-tetrazolium-bromide] to formazan (MTS assay). ABA type diblock copolymer architecture exhibited increased absorbance values of 3 and 7 day cultures at 1-100 M concentrations, with the highest values observed at a concentration of 1 M for day 3 cultures. The design of these novel mannose-based macromolecules is important for improving cell proliferation, cell adhesion, and osteointegration efficiency.
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Affiliation(s)
- N Naga Malleswara Rao
- Polymers and Functional Materials and Fluoro-Agrochemicals Department, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Krushna K Palodkar
- Polymers and Functional Materials and Fluoro-Agrochemicals Department, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - T Sandeep Kumar
- Polymers and Functional Materials and Fluoro-Agrochemicals Department, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500007, India
| | - Veera Sadhu
- Centre for Advanced Materials Application, Slovak Academy of Sciences, Dubravska cesta 9, 845 11 Bratislava, Slovak Republic; Polymer Institute, Slovak Academy of Sciences, Dúbravská cesta 9, 845 41 Bratislava, Slovak Republic
| | - Tejraj M Aminabhavi
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi 580 031, Karnataka, India; School of Engineering, UPES, Bidholi, Dehradun, Uttarakhand 248 007, India.
| | - Raghava Reddy Kakarla
- School Chemical Biomolecular Engineering, The University of Sydney, Sydney, NSW 2006, Australia.
| | - Annadanam V Sesha Sainath
- Polymers and Functional Materials and Fluoro-Agrochemicals Department, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500007, India.
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3
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Shen X, Wang H, Zhao Y, Liang J, Lu B, Sun W, Lu K, Wang H, Yuan L. Recycling protein selective adsorption on fluorine-modified surface through fluorine-fluorine interaction. Colloids Surf B Biointerfaces 2022; 214:112486. [PMID: 35364454 DOI: 10.1016/j.colsurfb.2022.112486] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 03/14/2022] [Accepted: 03/25/2022] [Indexed: 11/19/2022]
Abstract
Low surface energy materials with micro-nano structures have been widely developed to prevent non-specific adhesion of biomolecules. Herein we put forward a new approach based on the antifouling and self-assembly properties of fluorine components, to construct a non-specific protein resistance surface with selective protein adsorption property. Briefly, the antifouling surface (SN-F) was obtained by a simple one-step modification on silicon nanowire arrays (SiNWAs) with fluorine coupling agent 1 H,1 H,2 H,2 H-perfluorodecyltrimethoxysilane (FAS). And protein was fluorinated by conjugation with an amphiphilic fluoro-copolymer, produced from 2-methacrylamido glucopyranose (MAG) and trifluoroethyl methacrylate (TFEMA) via RAFT polymerization. The properties of the materials were characterized by 1H nuclear magnetic resonance (1H NMR), infrared spectroscopy (FTIR), water contact angle, and X-ray photoelectron spectroscopy (XPS) etc., and protein adsorption was investigated by protein content measurement, fluorescence detection, and electrophoresis. It was observed that the adsorption for native proteins on SN-F was at an extremely low level, while the adsorption for the fluoro-copolymer conjugated protein (PFG-BSA) was significantly increased. When the percentage of TFEMA in the fluoro-copolymer was as high as 52.0%, the fluorinated protein adsorbed on SN-F was more than 35 times of native proteins on the surface. Moreover, the platform could resist IgG adhesion in serum after the adsorption of fluorinated protein, and it could be recycled three times after 75% ethanol treatment. In conclusion, SN-F showed non-specific protein resistance through low surface energy and specific protein adsorption by fluorine-fluorine self-assembly. The fluorinated nanostructured platform has a great potential in controlling protein adsorption and release.
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Affiliation(s)
- Xiang Shen
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Suzhou 215123, PR China
| | - Hengxiao Wang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Suzhou 215123, PR China
| | - Yingxian Zhao
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Suzhou 215123, PR China
| | - Jinwei Liang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Suzhou 215123, PR China
| | - Benben Lu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Suzhou 215123, PR China
| | - Wei Sun
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Suzhou 215123, PR China
| | - Kunyan Lu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Suzhou 215123, PR China
| | - Hongwei Wang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Suzhou 215123, PR China.
| | - Lin Yuan
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Suzhou 215123, PR China.
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4
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Matsuoka K, Nakagawa M, Koyama T, Matsushita T, Hatano K. Systematic synthesis of a series of glycopolymers having N-acetyl-D-glucosamine moieties that can be used for evaluations of lectin—carbohydrate interactions. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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5
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Bhattacharya K, Kalita U, Singha NK. Tailor-made Glycopolymers via Reversible Deactivation Radical Polymerization: Design, Properties and Applications. Polym Chem 2022. [DOI: 10.1039/d1py01640g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Investigating the underlying mechanism of biological interactions using glycopolymer is becoming increasingly important owing to their unique recognition properties. The multivalent interactions between lectin and glycopolymer are significantly influenced by...
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6
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Cheng Q, Peng YY, Asha AB, Zhang L, Li J, Shi Z, Cui Z, Narain R. Construction of Antibacterial Adhesion Surfaces Based on Bioinspired Borneol-Containing Glycopolymers. Biomater Sci 2022; 10:1787-1794. [DOI: 10.1039/d1bm01949j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Preparation of antibacterial coating materials is considered an effective strategy to prevent medical device-related infections. In the present study, by combining 2-lactobionamidoethyl methacrylamide with a unique structure borneol compound, new...
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7
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Richards SJ, Gibson MI. Toward Glycomaterials with Selectivity as Well as Affinity. JACS AU 2021; 1:2089-2099. [PMID: 34984416 PMCID: PMC8717392 DOI: 10.1021/jacsau.1c00352] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Indexed: 05/08/2023]
Abstract
Multivalent glycosylated materials (polymers, surfaces, and particles) often show high affinity toward carbohydrate binding proteins (e.g., lectins) due to the nonlinear enhancement from the cluster glycoside effect. This affinity gain has potential in applications from diagnostics, biosensors, and targeted delivery to anti-infectives and in an understanding of basic glycobiology. This perspective highlights the question of selectivity, which is less often addressed due to the reductionist nature of glycomaterials and the promiscuity of many lectins. The use of macromolecular features, including architecture, heterogeneous ligand display, and the installation of non-natural glycans, to address this challenge is discussed, and examples of selectivity gains are given.
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Affiliation(s)
| | - Matthew I. Gibson
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, U.K.
- Warwick
Medical School, University of Warwick, Coventry CV4 7AL, U.K.
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8
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Boffoli D, Bellato F, Avancini G, Gurnani P, Yilmaz G, Romero M, Robertson S, Moret F, Sandrelli F, Caliceti P, Salmaso S, Cámara M, Mantovani G, Mastrotto F. Tobramycin-loaded complexes to prevent and disrupt Pseudomonas aeruginosa biofilms. Drug Deliv Transl Res 2021; 12:1788-1810. [PMID: 34841492 DOI: 10.1007/s13346-021-01085-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/20/2021] [Indexed: 10/19/2022]
Abstract
Carbohydrate-based materials are increasingly investigated for a range of applications spanning from healthcare to advanced functional materials. Synthetic glycopolymers are particularly attractive as they possess low toxicity and immunogenicity and can be used as multivalent ligands to target sugar-binding proteins (lectins). Here, we utilised RAFT polymerisation to synthesize two families of novel diblock copolymers consisting of a glycopolymers block containing either mannopyranose or galactopyranose pendant units, which was elongated with sodium 2-acrylamido-2-methyl-1-propanesulfonate (AMPS) to generate a polyanionic block. The latter enabled complexation of cationic aminoglycoside antibiotic tobramycin through electrostatic interactions (loading efficiency in the 0.5-6.3 wt% range, depending on the copolymer). The resulting drug vectors were characterized by dynamic light scattering, zeta-potential, and transmission electron microscopy. Tobramycin-loaded complexes were tested for their ability to prevent clustering or disrupt biofilm of the Pseudomonas aeruginosa Gram-negative bacterium responsible for a large proportion of nosocomial infection, especially in immunocompromised patients. P. aeruginosa possesses two specific tetrameric carbohydrate-binding adhesins, LecA (PA-IL, galactose/N-acetyl-D-galactosamine-binding) and LecB (PA-IIL, fucose/mannose-binding), and the cell-associated and extracellular adhesin CdrA (Psl/mannose-binding) thus ideally suited for targeted drug delivery using sugar-decorated tobramycin-loaded complexes here developed. Both aliphatic and aromatic linkers were utilised to link the sugar pendant units to the polyacrylamide polymer backbone to assess the effect of the nature of such linkers on bactericidal/bacteriostatic properties of the complexes. Results showed that tobramycin-loaded complexes efficiently suppressed (40 to 60% of inhibition) in vitro biofilm formation in PAO1-L P. aeruginosa and that preferential targeting of PAO1-L biofilm can be achieved using mannosylated glycopolymer-b-AMPSm.
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Affiliation(s)
- Delia Boffoli
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, via F. Marzolo 5, 35131, Padova, Italy
| | - Federica Bellato
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, via F. Marzolo 5, 35131, Padova, Italy
| | - Greta Avancini
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, via F. Marzolo 5, 35131, Padova, Italy.,Department of Biology, University of Padova, via U. Bassi 58/B, 35131, Padova, Italy
| | - Pratik Gurnani
- Division of Molecular Therapeutics and Formulation, School of Pharmacy, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Gokhan Yilmaz
- Division of Molecular Therapeutics and Formulation, School of Pharmacy, University of Nottingham, Nottingham, NG7 2RD, UK
| | | | - Shaun Robertson
- School of Life Sciences, Nottingham University Biodiscovery Institute, National Biofilms Innovation Centre, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Francesca Moret
- Department of Biology, University of Padova, via U. Bassi 58/B, 35131, Padova, Italy.,School of Life Sciences, Nottingham University Biodiscovery Institute, National Biofilms Innovation Centre, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Federica Sandrelli
- Department of Biology, University of Padova, via U. Bassi 58/B, 35131, Padova, Italy
| | - Paolo Caliceti
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, via F. Marzolo 5, 35131, Padova, Italy
| | - Stefano Salmaso
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, via F. Marzolo 5, 35131, Padova, Italy
| | - Miguel Cámara
- School of Life Sciences, Nottingham University Biodiscovery Institute, National Biofilms Innovation Centre, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Giuseppe Mantovani
- Division of Molecular Therapeutics and Formulation, School of Pharmacy, University of Nottingham, Nottingham, NG7 2RD, UK.
| | - Francesca Mastrotto
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, via F. Marzolo 5, 35131, Padova, Italy.
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9
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Zheng Z, Wang B, Chen J, Wang Y, Miao Z, Shang C, Zhang Q. Facile synthesis of Antibacterial, Biocompatible, quaternized Poly(ionic liquid)s with pendant saccharides. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110702] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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10
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Jiang H, Qin X, Wang Q, Xu Q, Wang J, Wu Y, Chen W, Wang C, Zhang T, Xing D, Zhang R. Application of carbohydrates in approved small molecule drugs: A review. Eur J Med Chem 2021; 223:113633. [PMID: 34171659 DOI: 10.1016/j.ejmech.2021.113633] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 06/04/2021] [Accepted: 06/06/2021] [Indexed: 12/24/2022]
Abstract
Carbohydrates are an important energy source and play numerous key roles in all living organisms. Carbohydrates chemistry involved in diagnosis and treatment of diseases has been attracting increasing attention. Carbohydrates could be one of the major focuses of new drug discovery. Currently, however, carbohydrate-containing drugs account for only a small percentage of all drugs in clinical use, which does not match the important roles of carbohydrates in the organism. In other words, carbohydrates are a relatively untapped source of new drugs and therefore may offer exciting novel therapeutic opportunities. Here, we presented an overview of the application of carbohydrates in approved small molecule drugs and emphasized and evaluated the roles of carbohydrates in those drugs. The potential development direction of carbohydrate-containing drugs was presented after summarizing the advantages and challenges of carbohydrates in the development of new drugs.
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Affiliation(s)
- Hongfei Jiang
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266071, China; Cancer Institute, Qingdao University, Qingdao, 266071, China
| | - Xiaofei Qin
- Department of Bioengineering, Zhuhai Campus of Zunyi Medical University, Zhuhai, 519041, China
| | - Qi Wang
- Department of Critical Medicine, Hainan Maternal and Children's Medical Center, Haikou, 570312, China
| | - Qi Xu
- Laboratory of Immunology for Environment and Health, Shandong Analysis and Test Center, Qilu University of Technology Shandong Academy of Sciences, Jinan, China
| | - Jie Wang
- Cancer Institute, Qingdao University, Qingdao, 266071, China
| | - Yudong Wu
- Cancer Institute, Qingdao University, Qingdao, 266071, China
| | - Wujun Chen
- Cancer Institute, Qingdao University, Qingdao, 266071, China
| | - Chao Wang
- Cancer Institute, Qingdao University, Qingdao, 266071, China
| | - Tingting Zhang
- Cancer Institute, Qingdao University, Qingdao, 266071, China
| | - Dongming Xing
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266071, China; Cancer Institute, Qingdao University, Qingdao, 266071, China; School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Renshuai Zhang
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266071, China; Cancer Institute, Qingdao University, Qingdao, 266071, China.
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11
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Saxena S, Kandasubramanian B. Glycopolymers in molecular recognition, biomimicking and glycotechnology: a review. INT J POLYM MATER PO 2021. [DOI: 10.1080/00914037.2021.1900181] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Shatakshi Saxena
- Centre for Converging Technologies, University of Rajasthan, Jaipur, India
| | - Balasubramanian Kandasubramanian
- Department of Metallurgical and Materials Engineering, Defence Institute of Advanced Technology (DU), Ministry of Defence, Pune, India
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12
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13
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Menon S, Krishnan A, Jose T, Roy S. UV-responsive glycosomes as frameworks for FRET: The quest for bio-inspired energy transfer systems. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2020.112927] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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14
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Abdouni Y, Ter Huurne GM, Yilmaz G, Monaco A, Redondo-Gómez C, Meijer EW, Palmans ARA, Becer CR. Self-Assembled Multi- and Single-Chain Glyconanoparticles and Their Lectin Recognition. Biomacromolecules 2020; 22:661-670. [PMID: 33373527 DOI: 10.1021/acs.biomac.0c01486] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In this work, we describe the physicochemical characterization of amphiphilic glycopolymers synthesized via copper(0)-mediated reversible-deactivation radical polymerization (Cu-RDRP). Depending on the chemical composition of the polymer, these glycopolymers are able to form multi-chain or single-chain polymeric nanoparticles. The folding of these polymers is first of all driven by the amphiphilicity of the glycopolymers and furthermore by the supramolecular formation of helical supramolecular stacks of benzene-1,3,5-tricarboxamides (BTAs) stabilized by threefold hydrogen bonding. The obtained polymeric nanoparticles were subsequently evaluated for their lectin-binding affinity toward a series of mannose- and galactose-binding lectins via surface plasmon resonance. We found that addition of 2-ethylhexyl acrylate to the polymer composition results in compact particles, which translates to a reduction in binding affinity, whereas with the addition of BTAs, the relation between the nature of the particle and the binding ability system becomes more unpredictable.
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Affiliation(s)
- Yamin Abdouni
- School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS, U.K
| | - Gijs M Ter Huurne
- Institute for Complex Molecular Systems, Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, Eindhoven 5600 MB, The Netherlands
| | - Gokhan Yilmaz
- School of Pharmacy, University of Nottingham, Nottingham NG7 2RD, U.K.,Department of Chemistry, University of Warwick, Coventry CV4 7AL, U.K
| | - Alessandra Monaco
- School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS, U.K.,Department of Chemistry, University of Warwick, Coventry CV4 7AL, U.K
| | - Carlos Redondo-Gómez
- School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS, U.K
| | - E W Meijer
- Institute for Complex Molecular Systems, Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, Eindhoven 5600 MB, The Netherlands
| | - Anja R A Palmans
- Institute for Complex Molecular Systems, Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, Eindhoven 5600 MB, The Netherlands
| | - C Remzi Becer
- School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS, U.K.,Department of Chemistry, University of Warwick, Coventry CV4 7AL, U.K
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15
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Lo YL, Tsai MF, Soorni Y, Hsu C, Liao ZX, Wang LF. Dual Stimuli-Responsive Block Copolymers with Adjacent Redox- and Photo-Cleavable Linkages for Smart Drug Delivery. Biomacromolecules 2020; 21:3342-3352. [DOI: 10.1021/acs.biomac.0c00773] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yu-Lun Lo
- Department of Medicinal and Applied Chemistry, College of Life Sciences, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Physiology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Ming-Fong Tsai
- Department of Medicinal and Applied Chemistry, College of Life Sciences, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Yugendhar Soorni
- Department of Medicinal and Applied Chemistry, College of Life Sciences, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Chin Hsu
- Department of Physiology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Zi-Xian Liao
- Institute of Medical Science and Technology, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
| | - Li-Fang Wang
- Department of Medicinal and Applied Chemistry, College of Life Sciences, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Institute of Medical Science and Technology, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
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16
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Bristol AN, Carpenter BP, Davis AN, Kemp LK, Rangachari V, Karim S, Morgan SE. Aqueous RAFT Synthesis of Low Molecular Weight Anionic Polymers for Determination of Structure/Binding Interactions with Gliadin. Macromol Biosci 2020; 20:e2000125. [PMID: 32567240 DOI: 10.1002/mabi.202000125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 05/22/2020] [Indexed: 11/10/2022]
Abstract
Gliadin, a component of gluten and a known epitope, is implicated in celiac disease (CeD) and results in an inflammatory response in CeD patients when consumed. Acrylamide-based polyelectrolytes are employed as models to determine the effect of molecular weight and pendent group on non-covalent interaction modes with gliadin in vitro. Poly(sodium 2-acrylamido-2-methylpropane sulfonate) and poly(sodium 3-methylpropyl-3-butanoate) are synthesized via aqueous reversible addition fragmentation chain transfer (aRAFT) polymerization and characterized by gel permeation chromatography-multiangle laser light scattering. The polymer/gliadin blends are examined via circular dichroism, zeta potential measurements, 8-anilinonaphthalene-1-sulfonic acid fluorescence spectroscopy, and dynamic light scattering. Acrylamide polymers containing strong anionic pendent groups have a profound effect on gliadin secondary structure and solution behavior below the isoelectric point, while polymers containing hydrophobic character only have a minor impact. The polymers have little effect on gliadin secondary structure and solution behavior at the isoelectric point.
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Affiliation(s)
- Ashleigh N Bristol
- School of Polymer Science and Engineering, 118 College Dr., #5050, The University of Southern Mississippi, Hattiesburg, MS, 39406-5050, USA
| | - Brooke P Carpenter
- School of Polymer Science and Engineering, 118 College Dr., #5050, The University of Southern Mississippi, Hattiesburg, MS, 39406-5050, USA
| | - Ashley N Davis
- School of Polymer Science and Engineering, 118 College Dr., #5050, The University of Southern Mississippi, Hattiesburg, MS, 39406-5050, USA
| | - Lisa K Kemp
- School of Polymer Science and Engineering, 118 College Dr., #5050, The University of Southern Mississippi, Hattiesburg, MS, 39406-5050, USA
| | - Vijayaraghavan Rangachari
- Department of Chemistry and Biochemistry, The University of Southern Mississippi, Hattiesburg, MS, 39406-5050, USA
| | - Shahid Karim
- School of Biological, Environmental, and Earth Sciences, 118 College Dr., #5018, The University of Southern Mississippi, Hattiesburg, MS, 39406-5050, USA
| | - Sarah E Morgan
- School of Polymer Science and Engineering, 118 College Dr., #5050, The University of Southern Mississippi, Hattiesburg, MS, 39406-5050, USA
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17
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Sharma D, Rao NNM, Arasaretnam S, Sesha Sainath AV, Dhayal M. Functionalization of structurally diverse glycopolymers on graphene oxide surfaces and their quantification through fluorescence resonance energy transfer with fluorescein isothiocyanate. Colloid Polym Sci 2020. [DOI: 10.1007/s00396-020-04611-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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18
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Thomas B, Yan KC, Hu XL, Donnier-Maréchal M, Chen GR, He XP, Vidal S. Fluorescent glycoconjugates and their applications. Chem Soc Rev 2020; 49:593-641. [DOI: 10.1039/c8cs00118a] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Fluorescent glycoconjugates are discussed for their applications in biology in vitro, in cell assays and in animal models. Advantages and limitations are presented for each design using a fluorescent core conjugated with glycosides, or vice versa.
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Affiliation(s)
- Baptiste Thomas
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires
- Laboratoire de Chimie Organique 2-Glycochimie
- UMR 5246
- CNRS and Université Claude Bernard Lyon 1
- Université de Lyon
| | - Kai-Cheng Yan
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering
- Feringa Nobel Prize Scientist Joint Research Center
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Xi-Le Hu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering
- Feringa Nobel Prize Scientist Joint Research Center
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Marion Donnier-Maréchal
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires
- Laboratoire de Chimie Organique 2-Glycochimie
- UMR 5246
- CNRS and Université Claude Bernard Lyon 1
- Université de Lyon
| | - Guo-Rong Chen
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering
- Feringa Nobel Prize Scientist Joint Research Center
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Xiao-Peng He
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering
- Feringa Nobel Prize Scientist Joint Research Center
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Sébastien Vidal
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires
- Laboratoire de Chimie Organique 2-Glycochimie
- UMR 5246
- CNRS and Université Claude Bernard Lyon 1
- Université de Lyon
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19
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Mosaiab T, Farr DC, Kiefel MJ, Houston TA. Carbohydrate-based nanocarriers and their application to target macrophages and deliver antimicrobial agents. Adv Drug Deliv Rev 2019; 151-152:94-129. [PMID: 31513827 DOI: 10.1016/j.addr.2019.09.002] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 09/02/2019] [Accepted: 09/05/2019] [Indexed: 12/18/2022]
Abstract
Many deadly infections are produced by microorganisms capable of sustained survival in macrophages. This reduces exposure to chemadrotherapy, prevents immune detection, and is akin to criminals hiding in police stations. Therefore, the use of glyco-nanoparticles (GNPs) as carriers of therapeutic agents is a burgeoning field. Such an approach can enhance the penetration of drugs into macrophages with specific carbohydrate targeting molecules on the nanocarrier to interact with macrophage lectins. Carbohydrates are natural biological molecules and the key constituents in a large variety of biological events such as cellular communication, infection, inflammation, enzyme trafficking, cellular migration, cancer metastasis and immune functions. The prominent characteristics of carbohydrates including biodegradability, biocompatibility, hydrophilicity and the highly specific interaction of targeting cell-surface receptors support their potential application to drug delivery systems (DDS). This review presents the 21st century development of carbohydrate-based nanocarriers for drug targeting of therapeutic agents for diseases localized in macrophages. The significance of natural carbohydrate-derived nanoparticles (GNPs) as anti-microbial drug carriers is highlighted in several areas of treatment including tuberculosis, salmonellosis, leishmaniasis, candidiasis, and HIV/AIDS.
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Affiliation(s)
- Tamim Mosaiab
- Institute for Glycomics, Griffith University, Gold Coast Campus, QLD 4222, Australia
| | - Dylan C Farr
- Institute for Glycomics, Griffith University, Gold Coast Campus, QLD 4222, Australia
| | - Milton J Kiefel
- Institute for Glycomics, Griffith University, Gold Coast Campus, QLD 4222, Australia.
| | - Todd A Houston
- Institute for Glycomics, Griffith University, Gold Coast Campus, QLD 4222, Australia.
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20
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A Comparative Study Among Different Protocols of Immobilization of Dextranase Using Chitin as a Matrix. Catal Letters 2019. [DOI: 10.1007/s10562-019-02940-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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21
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Zhou C, Reesink HL, Putnam DA. Selective and Tunable Galectin Binding of Glycopolymers Synthesized by a Generalizable Conjugation Method. Biomacromolecules 2019; 20:3704-3712. [DOI: 10.1021/acs.biomac.9b00759] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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22
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Samoilova NA, Krayukhina MA. Synthesis of magnetic chitin–adsorbent for specific proteins. Carbohydr Polym 2019; 216:107-112. [DOI: 10.1016/j.carbpol.2019.03.048] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 02/27/2019] [Accepted: 03/06/2019] [Indexed: 12/19/2022]
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23
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Functional Glyco-Nanogels for Multivalent Interaction with Lectins. Molecules 2019; 24:molecules24101865. [PMID: 31096570 PMCID: PMC6572176 DOI: 10.3390/molecules24101865] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 05/03/2019] [Accepted: 05/14/2019] [Indexed: 12/31/2022] Open
Abstract
Interactions between glycans and proteins have tremendous impact in biomolecular interactions. They are important for cell–cell interactions, proliferation and much more. Here, we emphasize the glycan-mediated interactions between pathogens and host cells. Pseudomonas aeruginosa, responsible for a huge number of nosocomial infections, is especially the focus when it comes to glycan-derivatives as pathoblockers. We present a microwave assisted protecting group free synthesis of glycomonomers based on lactose, melibiose and fucose. The monomers were polymerized in a precipitation polymerization in the presence of NiPAm to form crosslinked glyco-nanogels. The influence of reaction parameters like crosslinker type or stabilizer amount was investigated. The gels were characterized in lectin binding studies using model lectins and showed size and composition-dependent inhibition of lectin binding. Due to multivalent presentation of glycans in the gel, the inhibition was clearly stronger than with unmodified saccharides, which was compared after determination of the glycan loading. First studies with Pseudomonas aeruginosa revealed a surprising influence on the secretion of virulence factors. Functional glycogels may be in the future potent alternatives or adjuvants for antibiotic treatment of infections based on glycan interactions between host and pathogen.
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24
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Fu C, Tang J, Pye A, Liu T, Zhang C, Tan X, Han F, Peng H, Whittaker AK. Fluorinated Glycopolymers as Reduction-responsive 19F MRI Agents for Targeted Imaging of Cancer. Biomacromolecules 2019; 20:2043-2050. [PMID: 30995836 DOI: 10.1021/acs.biomac.9b00241] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Imaging agents that can be targeted to specific diseases and respond to the microenvironment of the diseased tissue are of considerable interest due to their potential in diagnosing and managing diseases. Here we report a new class of branched fluorinated glycopolymers as 19F MRI contrast agents that respond to a reductive environment, for targeted imaging of cancer. The fluorinated glycopolymers can be readily prepared by a one-pot RAFT polymerization of glucose- and fluorine-containing monomers in the presence of a disulfide-containing cross-linking monomer. The incorporation of glucose units along the polymer chain enables these fluorinated glycopolymers to effectively target cancer cells due to interactions with the overexpressed sugar transporters present on the cell surface. In addition, the polymers exhibit an enhanced 19F MRI signal in response to a reductive environment, one of the unique hallmarks of many cancer cells, demonstrating their potential as promising candidates for targeted imaging of cancer.
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Affiliation(s)
- Changkui Fu
- Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , Brisbane , Queensland 4072 , Australia.,ARC Centre of Excellence in Convergent Bio-Nano Science and Technology , The University of Queensland , Brisbane , Queensland 4072 , Australia
| | - Joyce Tang
- Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , Brisbane , Queensland 4072 , Australia.,ARC Centre of Excellence in Convergent Bio-Nano Science and Technology , The University of Queensland , Brisbane , Queensland 4072 , Australia
| | - Aidan Pye
- Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , Brisbane , Queensland 4072 , Australia.,ARC Centre of Excellence in Convergent Bio-Nano Science and Technology , The University of Queensland , Brisbane , Queensland 4072 , Australia
| | - Tianqing Liu
- QIMR Berghofer Medical Research Institute , PO Royal Brisbane Hospital , Brisbane , Queensland 4029 , Australia
| | - Cheng Zhang
- Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , Brisbane , Queensland 4072 , Australia.,ARC Centre of Excellence in Convergent Bio-Nano Science and Technology , The University of Queensland , Brisbane , Queensland 4072 , Australia
| | - Xiao Tan
- Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , Brisbane , Queensland 4072 , Australia.,ARC Centre of Excellence in Convergent Bio-Nano Science and Technology , The University of Queensland , Brisbane , Queensland 4072 , Australia
| | - Felicity Han
- Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , Brisbane , Queensland 4072 , Australia.,ARC Centre of Excellence in Convergent Bio-Nano Science and Technology , The University of Queensland , Brisbane , Queensland 4072 , Australia
| | - Hui Peng
- Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , Brisbane , Queensland 4072 , Australia.,ARC Centre of Excellence in Convergent Bio-Nano Science and Technology , The University of Queensland , Brisbane , Queensland 4072 , Australia
| | - Andrew K Whittaker
- Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , Brisbane , Queensland 4072 , Australia.,ARC Centre of Excellence in Convergent Bio-Nano Science and Technology , The University of Queensland , Brisbane , Queensland 4072 , Australia
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25
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Liu R, Hudalla GA. Using Self-Assembling Peptides to Integrate Biomolecules into Functional Supramolecular Biomaterials. Molecules 2019; 24:E1450. [PMID: 31013712 PMCID: PMC6514692 DOI: 10.3390/molecules24081450] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 03/27/2019] [Accepted: 04/03/2019] [Indexed: 02/07/2023] Open
Abstract
Throughout nature, self-assembly gives rise to functional supramolecular biomaterials that can perform complex tasks with extraordinary efficiency and specificity. Inspired by these examples, self-assembly is increasingly used to fabricate synthetic supramolecular biomaterials for diverse applications in biomedicine and biotechnology. Peptides are particularly attractive as building blocks for these materials because they are based on naturally derived amino acids that are biocompatible and biodegradable; they can be synthesized using scalable and cost-effective methods, and their sequence can be tailored to encode formation of diverse architectures. To endow synthetic supramolecular biomaterials with functional capabilities, it is now commonplace to conjugate self-assembling building blocks to molecules having a desired functional property, such as selective recognition of a cell surface receptor or soluble protein, antigenicity, or enzymatic activity. This review surveys recent advances in using self-assembling peptides as handles to incorporate biologically active molecules into supramolecular biomaterials. Particular emphasis is placed on examples of functional nanofibers, nanovesicles, and other nano-scale structures that are fabricated by linking self-assembling peptides to proteins and carbohydrates. Collectively, this review highlights the enormous potential of these approaches to create supramolecular biomaterials with sophisticated functional capabilities that can be finely tuned to meet the needs of downstream applications.
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Affiliation(s)
- Renjie Liu
- J. Crayton Pruitt Family Department of Biomedical Engineering, Wertheim College of Engineering, University of Florida, Gainesville, FL 32611, USA.
| | - Gregory A Hudalla
- J. Crayton Pruitt Family Department of Biomedical Engineering, Wertheim College of Engineering, University of Florida, Gainesville, FL 32611, USA.
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26
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Englert C, Brendel JC, Majdanski TC, Yildirim T, Schubert S, Gottschaldt M, Windhab N, Schubert US. Pharmapolymers in the 21st century: Synthetic polymers in drug delivery applications. Prog Polym Sci 2018. [DOI: 10.1016/j.progpolymsci.2018.07.005] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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27
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Hayama R, Koyama T, Matsushita T, Hatano K, Matsuoka K. Preparation of Functional Monomers as Precursors of Bioprobes from a Common Styrene Derivative and Polymer Synthesis. Molecules 2018; 23:E2875. [PMID: 30400356 PMCID: PMC6278513 DOI: 10.3390/molecules23112875] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 10/25/2018] [Accepted: 11/02/2018] [Indexed: 11/17/2022] Open
Abstract
CM-Str (4-(Chloromethyl)styrene) was used as a useful starting material for the construction of a series of functional monomers. Substitution of the chlorine to the corresponding azide was performed, and the reduction of the azide proceeded smoothly to afford an aminostyrene, which was used as a common precursor for the preparation of functional monomers. Condensation of the amine with a fluorophore, biotin and carbohydrate was accomplished. Among the monomers, a carbohydrate monomer was polymerized with or without acrylamide as a model polymerization to yield the corresponding water-soluble glycopolymers, and biological evaluations of the glycopolymers for a lectin, and wheat germ agglutinin (WGA), were carried out on the basis of the fluorescence change of tryptophan in the WGA.
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Affiliation(s)
- Riho Hayama
- Division of Material Science, Graduate School of Science and Engineering, Saitama University, Sakura, Saitama 338-8570, Japan.
| | - Tetsuo Koyama
- Division of Material Science, Graduate School of Science and Engineering, Saitama University, Sakura, Saitama 338-8570, Japan.
| | - Takahiko Matsushita
- Division of Material Science, Graduate School of Science and Engineering, Saitama University, Sakura, Saitama 338-8570, Japan.
- Medical Innovation Research Unit (MiU), Advanced Institute of Innovative Technology (AIIT), Saitama University, Sakura, Saitama 338-8570, Japan.
| | - Ken Hatano
- Division of Material Science, Graduate School of Science and Engineering, Saitama University, Sakura, Saitama 338-8570, Japan.
- Medical Innovation Research Unit (MiU), Advanced Institute of Innovative Technology (AIIT), Saitama University, Sakura, Saitama 338-8570, Japan.
| | - Koji Matsuoka
- Division of Material Science, Graduate School of Science and Engineering, Saitama University, Sakura, Saitama 338-8570, Japan.
- Medical Innovation Research Unit (MiU), Advanced Institute of Innovative Technology (AIIT), Saitama University, Sakura, Saitama 338-8570, Japan.
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28
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Zhang Y, Wang B, Zhang Y, Zheng Y, Wen X, Bai L, Wu Y. Hyperbranched Glycopolymers of 2-(α-d-Mannopyranose) Ethyl Methacrylate and N,N'-Methylenebisacrylamide: Synthesis, Characterization and Multivalent Recognitions with Concanavalin A. Polymers (Basel) 2018; 10:E171. [PMID: 30966207 PMCID: PMC6415052 DOI: 10.3390/polym10020171] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 02/08/2018] [Accepted: 02/09/2018] [Indexed: 01/02/2023] Open
Abstract
A series of novel hyperbranched poly[2-(α-d-mannopyranosyloxy) ethyl methacrylate-co-N,N'-methylenebisacrylamide] (HPManEMA-co-MBA) are synthesized via a reversible addition fragmentation polymerization (RAFT). The dosage ratios of linear and branch units are tuned to obtain different degree of branching (DB) in hyperbranched glycopolymers. The DB values are calculated according to the content of nitrogen, which are facilely determined by elemental analysis. The lectin-binding properties of HPManEMA-co-MBA to concanavalin A (ConA) are examined using a turbidimetric assay. The influence of defined DB value and molecular weight of HPManEMA-co-MBA on the clustering rate is studied. Notably, HPManEMA-co-MBAs display a low cytotoxicity in the MTT assay, thus are potential candidates for biomedical applications.
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Affiliation(s)
- Yuangong Zhang
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China.
| | - Bo Wang
- College of Chemical Engineering and Materials, Handan University, Handan 056005, China.
| | - Ye Zhang
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China.
| | - Ying Zheng
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China.
| | - Xin Wen
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China.
| | - Libin Bai
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China.
- College of Chemical Engineering and Materials, Handan University, Handan 056005, China.
| | - Yonggang Wu
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China.
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29
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Rodygin KS, Werner I, Ananikov VP. A Green and Sustainable Route to Carbohydrate Vinyl Ethers for Accessing Bioinspired Materials with a Unique Microspherical Morphology. CHEMSUSCHEM 2018; 11:292-298. [PMID: 28898575 DOI: 10.1002/cssc.201701489] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 09/07/2017] [Indexed: 06/07/2023]
Abstract
Synthesizing chemicals and materials from renewable sources is one of the main aims of modern science. Carbohydrates represent excellent renewable natural raw materials that are ecofriendly, inexpensive, and biologically compatible. A green procedure has been developed for the vinylation of carbohydrates by using readily available calcium carbide. Various carbohydrates were utilized as starting materials, resulting in mono-, di-, and tetravinyl ethers in high to excellent yields (81-92 %). The synthesized biobased vinyl ethers were utilized as monomers in free radical and cationic polymerizations. A unique combination of a smooth surface and intrinsic microcompartments was achieved in the synthesized materials. Two types of biobased materials were prepared involving microspheres and intrinsic hollow compartments in polymers. Scanning electron microscopy with built-in ion beam cutting was applied to reveal the spatial hierarchical structures in 3D space.
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Affiliation(s)
- Konstantin S Rodygin
- Saint Petersburg State University, Universitetskii prospect, 26, Petergof, Russia
| | - Irina Werner
- Saint Petersburg State University, Universitetskii prospect, 26, Petergof, Russia
| | - Valentine P Ananikov
- Saint Petersburg State University, Universitetskii prospect, 26, Petergof, Russia
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect, 47, Moscow, Russia
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30
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Mkhwanazi NK, de Koning CB, van Otterlo WAL, Ariatti M, Singh M. PEGylation potentiates hepatoma cell targeted liposome-mediated in vitro gene delivery via the asialoglycoprotein receptor. ACTA ACUST UNITED AC 2017; 72:293-301. [PMID: 28063265 DOI: 10.1515/znc-2016-0172] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 11/24/2016] [Indexed: 01/04/2023]
Abstract
Hepatocellular carcinoma is a burgeoning health issue in sub-Saharan Africa and East Asia where it is most prevalent. The search for gene medicine treatment modalities for this condition represents a novel departure from current treatment options and is gaining momentum. Here we report on nonPEGylated and on sterically stabilized PEGylated cationic liposomes decorated with D-galacto moieties linked to 24.1 Å spacers for asialoglycoprotein receptor (ASGP-R)-targeted vehiculation of pCMV-luc plasmid DNA. Cargo DNA is fully liposome associated at N/P ratio=3:1 and is partially protected from the effects of serum nucleases. Moreover, at this ratio, lipoplex dimensions (89-97 nm) are compatible with the requirements for extravasation in vivo. Ethidium displacement assays show that the reporter DNA is in a less condensed state when bound to PEGylated liposomes than with nonPEGylated liposomes. PEGylated lipoplexes were well tolerated by both HEK293 (ASGP-R-negative) and HepG2 (ASGP-R-positive) cell lines and delivered DNA to the human hepatoma cell line HepG2 by ASGP-R mediation at levels three-fold greater than nonPEGylated lipoplexes. PEGylated ASGP-R-targeted liposomes reported in this study possess the required characteristics for hepatotropic gene delivery and may be considered for further application in vivo.
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Affiliation(s)
- Nkosiyethu K Mkhwanazi
- Non-viral Gene Delivery Laboratory, Discipline of Biochemistry, Westville Campus, University of KwaZulu-Natal, P. Bag X54001, Durban, 4000, South Africa
| | - Charles B de Koning
- Molecular Sciences Institute, Department of Chemistry, University of the Witwatersrand, P. Bag 3, Wits 2050, South Africa
| | - Willem A L van Otterlo
- Department of Chemistry and Polymer Sciences, Stellenbosch University, P. Bag X1, Matieland 7602, South Africa
| | - Mario Ariatti
- Non-viral Gene Delivery Laboratory, Discipline of Biochemistry, Westville Campus, University of KwaZulu-Natal, P. Bag X54001, Durban, 4000, South Africa, Phone: +27 31 2607981, Fax: +27 31 2607942
| | - Moganavelli Singh
- Non-viral Gene Delivery Laboratory, Discipline of Biochemistry, Westville Campus, University of KwaZulu-Natal, P. Bag X54001, Durban, 4000, South Africa
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31
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Crisan DN, Creese O, Ball R, Brioso JL, Martyn B, Montenegro J, Fernandez-Trillo F. Poly(acryloyl hydrazide), a versatile scaffold for the preparation of functional polymers: synthesis and post-polymerisation modification. Polym Chem 2017; 8:4576-4584. [PMID: 30174727 PMCID: PMC6091239 DOI: 10.1039/c7py00535k] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Accepted: 07/02/2017] [Indexed: 12/31/2022]
Abstract
Here we present the synthesis of poly(acryloyl hydrazide), a versatile scaffold for the preparation of functional polymers, and its post-polymerisation modification using a wide range of conditions.
Here we present the synthesis and post-polymerisation modification of poly(acryloyl hydrazide), a versatile scaffold for the preparation of functional polymers: poly(acryloyl hydrazide) was prepared from commercially available starting materials in a three step synthesis on a large scale, in good yields and high purity. Our synthetic approach included the synthesis of a Boc-protected acryloyl hydrazide, the preparation of polymers via RAFT polymerisation and the deprotection of the corresponding Boc-protected poly(acryloyl hydrazide). Post-polymerisation modification of poly(acryloyl hydrazide) was then demonstrated using a range of conditions for both hydrophilic and hydrophobic aldehydes. These experiments demonstrate the potential of poly(acryloyl hydrazide) as a scaffold in the synthesis of functional polymers, in particular those applications where in situ screening of the activity of the functionalised polymers may be required (e.g. biological applications).
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Affiliation(s)
- Daniel N Crisan
- School of Chemistry , University of Birmingham B15 2TT , UK .
| | - Oliver Creese
- School of Chemistry , University of Birmingham B15 2TT , UK .
| | - Ranadeb Ball
- School of Chemistry , University of Birmingham B15 2TT , UK .
| | | | - Ben Martyn
- School of Chemistry , University of Warwick CV47AL , UK
| | - Javier Montenegro
- Departamento de Química Orgánica y Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) , Universidade de Santiago de Compostela E-15782 , Spain .
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Lamm RJ, Lim EB, Weigandt KM, Pozzo LD, White NJ, Pun SH. Peptide valency plays an important role in the activity of a synthetic fibrin-crosslinking polymer. Biomaterials 2017; 132:96-104. [PMID: 28411452 PMCID: PMC5490449 DOI: 10.1016/j.biomaterials.2017.04.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2016] [Revised: 03/30/2017] [Accepted: 04/03/2017] [Indexed: 12/20/2022]
Abstract
Therapeutic polymers have the potential to improve the standard of care for hemorrhage, or uncontrolled bleeding, as synthetic hemostats. PolySTAT, a fibrin-crosslinking peptide-polymer conjugate, has the capacity to rescue fibrin clot formation and improve survival in a model of acute traumatic bleeding. PolySTAT consists of a synthetic polymer backbone to which targeting fibrin-binding peptides are linked. For translation of PolySTAT, the optimal valency of peptides must be determined. Grafting of fibrin-binding peptides to the poly(hydroxyethyl methacrylate)-based backbone was controlled to produce peptide valencies ranging from 0 to 10 peptides per polymer. PolySTATs with valencies of ≈4 or greater resulted in increased clot firmness, kinetics, and decreased breakdown as measured by thromboelastometry. A valency of ≈4 increased clot firmness 57% and decreased clot breakdown 69% compared to phosphate-buffered saline. This trend was characterized by neutron scattering, which probed the structure of clots formed in the presence of PolySTAT. Finally, PolySTAT with valencies of 4 (100% survival; p = 0.013) and 8 (80% survival; p = 0.063) improved survival compared to an albumin control in a femoral artery injury model (20% survival). This work demonstrates tunability of hemostatic polymers and the ability of in vitro assays to predict in vivo efficacy.
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Affiliation(s)
- Robert J Lamm
- Department of Bioengineering and Molecular Engineering and Sciences Institute, University of Washington, 3720 15th Avenue NE, Box 355061, Seattle, WA 98195, USA
| | - Esther B Lim
- Department of Medicine, Division of Emergency Medicine, University of Washington, Seattle, WA 98195, USA
| | - Katie M Weigandt
- NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD 20899-8562, USA
| | - Lilo D Pozzo
- Department of Chemical Engineering, University of Washington, Seattle, WA 98195, USA
| | - Nathan J White
- Department of Medicine, Division of Emergency Medicine, University of Washington, Seattle, WA 98195, USA.
| | - Suzie H Pun
- Department of Bioengineering and Molecular Engineering and Sciences Institute, University of Washington, 3720 15th Avenue NE, Box 355061, Seattle, WA 98195, USA.
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Xu X, Li Y, Liu L, Li Y, Ru G, Ding Q, Deng L, Dong J. Poly(glucono-δ-lactone) based nanocarriers as novel biodegradable drug delivery platforms. Int J Pharm 2017; 526:137-144. [DOI: 10.1016/j.ijpharm.2017.04.070] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2017] [Revised: 04/05/2017] [Accepted: 04/28/2017] [Indexed: 12/30/2022]
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Zhang K, Jia YG, Tsai IH, Strandman S, Ren L, Hong L, Zhang G, Guan Y, Zhang Y, Zhu XX. "Bitter-Sweet" Polymeric Micelles Formed by Block Copolymers from Glucosamine and Cholic Acid. Biomacromolecules 2017; 18:778-786. [PMID: 28094989 DOI: 10.1021/acs.biomac.6b01640] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Natural compounds glucosamine and cholic acid have been used to make acrylic monomers which are subsequently used to prepare amphiphilic block copolymers by reversible addition-fragmentation chain transfer (RAFT) polymerization. Despite the striking difference in polarity and solubility, three diblock copolymers consisting of glucosamine and cholic acid pendants with different hydrophilic and hydrophobic chain lengths have been synthesized without the use of protecting groups. They are shown to self-assemble into polymeric micelles with a "bitter" bile acid core and "sweet" sugar shell in aqueous solutions, as evidenced by dynamic light scattering and transmission electron microscopy. The critical micelle concentration varies with the hydrophobic/hydrophilic ratio, ranging from 0.62 to 1.31 mg/L. Longer chains of polymers induced the formation of larger micelles in range of 50-70 nm. These micelles can solubilize hydrophobic compounds such as Nile Red in aqueous solutions. Their loading capacity mainly depends upon the hydrophobic/hydrophilic ratio of the polymers, and may be also related to the length of the hydrophilic block. These polymeric micelles allowed for a 10-fold increase in the aqueous solubility of paclitaxel and showed no cytotoxicity below the concentration of 500 mg/L. Such properties make these polymeric micelles interesting reservoirs for hydrophobic molecules and drugs for biomedical applications.
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Affiliation(s)
- Kun Zhang
- Département de Chimie, Université de Montréal , C.P. 6128, Succ. Centre-ville, Montreal, QC H3C 3J7, Canada
| | - Yong-Guang Jia
- Département de Chimie, Université de Montréal , C.P. 6128, Succ. Centre-ville, Montreal, QC H3C 3J7, Canada
| | - I-Huang Tsai
- Département de Chimie, Université de Montréal , C.P. 6128, Succ. Centre-ville, Montreal, QC H3C 3J7, Canada
| | - Satu Strandman
- Département de Chimie, Université de Montréal , C.P. 6128, Succ. Centre-ville, Montreal, QC H3C 3J7, Canada
| | - Li Ren
- School of Materials Science and Engineering, South China University of Technology , Guangzhou, China
| | - Liangzhi Hong
- School of Materials Science and Engineering, South China University of Technology , Guangzhou, China
| | - Guangzhao Zhang
- School of Materials Science and Engineering, South China University of Technology , Guangzhou, China
| | - Ying Guan
- Institute of Polymer Chemistry, Nankai University , Tianjin, China
| | - Yongjun Zhang
- Institute of Polymer Chemistry, Nankai University , Tianjin, China
| | - X X Zhu
- Département de Chimie, Université de Montréal , C.P. 6128, Succ. Centre-ville, Montreal, QC H3C 3J7, Canada
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Diwan D, Shinkai K, Tetsuka T, Cao B, Arai H, Koyama T, Hatano K, Matsuoka K. Synthetic Assembly of Mannose Moieties Using Polymer Chemistry and the Biological Evaluation of Its Interaction towards Concanavalin A. Molecules 2017; 22:E157. [PMID: 28106805 PMCID: PMC6155820 DOI: 10.3390/molecules22010157] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 01/10/2017] [Accepted: 01/12/2017] [Indexed: 12/31/2022] Open
Abstract
Protein-carbohydrate interactions exhibit myriad intracellular recognition events, so understanding and investigating their specific interaction with high selectivity and strength are of crucial importance. In order to examine the effect of multivalent binding on the specificity of protein-carbohydrate interactions, we synthesized mannose glycosides as a novel type of glycosylated monomer and glycopolymers of polyacrylamide derivatives with α-mannose (α-Man) by radical polymerization and monitored their strength of interaction with concanavalin A (Con A) by surface plasmon resonance (SPR) detection. In a quantitative test using the Con A-immobilized sensor surface, the kinetic affinity for the synthesized polymers, 8a (KD = 3.3 × 10-6 M) and 8b (KD = 5.3 × 10-5 M), were concentration-dependent, showing strong, specific molecular recognition abilities with lectin. Our study showed the enhancement in recognition specificity for multivalent saccharides, which is often mediated by cell surface carbohydrate-binding proteins that exhibit weak affinity and broad specificity for the individual ligands.
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Affiliation(s)
- Deepti Diwan
- Division of Material Science, Graduate School of Science and Engineering, Saitama University, Sakura, Saitama 338-8570, Japan.
| | - Kohei Shinkai
- Division of Material Science, Graduate School of Science and Engineering, Saitama University, Sakura, Saitama 338-8570, Japan.
| | - Toshihiro Tetsuka
- Division of Material Science, Graduate School of Science and Engineering, Saitama University, Sakura, Saitama 338-8570, Japan.
| | - Bin Cao
- Division of Material Science, Graduate School of Science and Engineering, Saitama University, Sakura, Saitama 338-8570, Japan.
| | - Hidenao Arai
- Division of Material Science, Graduate School of Science and Engineering, Saitama University, Sakura, Saitama 338-8570, Japan.
| | - Tetsuo Koyama
- Division of Material Science, Graduate School of Science and Engineering, Saitama University, Sakura, Saitama 338-8570, Japan.
| | - Ken Hatano
- Division of Material Science, Graduate School of Science and Engineering, Saitama University, Sakura, Saitama 338-8570, Japan.
| | - Koji Matsuoka
- Division of Material Science, Graduate School of Science and Engineering, Saitama University, Sakura, Saitama 338-8570, Japan.
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Moog KE, Barz M, Bartneck M, Beceren‐Braun F, Mohr N, Wu Z, Braun L, Dernedde J, Liehn EA, Tacke F, Lammers T, Kunz H, Zentel R. Polymere Selectinliganden als komplexe Glykomimetika: von Selectinbindung bis zur Modifizierung der Makrophagenmigration. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201610395] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Kai E. Moog
- Institut für Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 55128 Mainz Deutschland
| | - Matthias Barz
- Institut für Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 55128 Mainz Deutschland
| | | | - Figen Beceren‐Braun
- Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie Charité – Universitätsmedizin Berlin Deutschland
| | - Nicole Mohr
- Institut für Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 55128 Mainz Deutschland
| | - Zhuojun Wu
- Institut für Molekulare Herz-Kreislaufforschung (IMCAR) Uniklinikum Aachen Deutschland
| | - Lydia Braun
- Institut für Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 55128 Mainz Deutschland
| | - Jens Dernedde
- Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie Charité – Universitätsmedizin Berlin Deutschland
| | - Elisa A. Liehn
- Institut für Molekulare Herz-Kreislaufforschung (IMCAR) Uniklinikum Aachen Deutschland
| | - Frank Tacke
- Medizinische Klinik III Uniklinikum Aachen Deutschland
| | - Twan Lammers
- Institut für Experimentelle Molekulare Bildgebung (ExMI) Uniklinikum Aachen Deutschland
| | - Horst Kunz
- Institut für Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 55128 Mainz Deutschland
| | - Rudolf Zentel
- Institut für Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 55128 Mainz Deutschland
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Moog KE, Barz M, Bartneck M, Beceren‐Braun F, Mohr N, Wu Z, Braun L, Dernedde J, Liehn EA, Tacke F, Lammers T, Kunz H, Zentel R. Polymeric Selectin Ligands Mimicking Complex Carbohydrates: From Selectin Binders to Modifiers of Macrophage Migration. Angew Chem Int Ed Engl 2016; 56:1416-1421. [DOI: 10.1002/anie.201610395] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Indexed: 12/17/2022]
Affiliation(s)
- Kai E. Moog
- Institut für Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 55128 Mainz Germany
| | - Matthias Barz
- Institut für Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 55128 Mainz Germany
| | | | - Figen Beceren‐Braun
- Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie Charité—Universitätsmedizin Berlin Germany
| | - Nicole Mohr
- Institut für Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 55128 Mainz Germany
| | - Zhuojun Wu
- Institut für Molekulare Herz-Kreislaufforschung (IMCAR) Uniklinikum Aachen Germany
| | - Lydia Braun
- Institut für Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 55128 Mainz Germany
| | - Jens Dernedde
- Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie Charité—Universitätsmedizin Berlin Germany
| | - Elisa A. Liehn
- Institut für Molekulare Herz-Kreislaufforschung (IMCAR) Uniklinikum Aachen Germany
| | - Frank Tacke
- Medizinische Klinik III Uniklinikum Aachen Germany
| | - Twan Lammers
- Institut für Experimentelle Molekulare Bildgebung (ExMI) Uniklinikum Aachen Germany
| | - Horst Kunz
- Institut für Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 55128 Mainz Germany
| | - Rudolf Zentel
- Institut für Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 55128 Mainz Germany
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38
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Mohr N, Kappel C, Kramer S, Bros M, Grabbe S, Zentel R. Targeting cells of the immune system: mannosylated HPMA–LMA block-copolymer micelles for targeting of dendritic cells. Nanomedicine (Lond) 2016; 11:2679-2697. [DOI: 10.2217/nnm-2016-0167] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Background: Successful tumor immunotherapy depends on the induction of strong and sustained tumor antigen-specific immune responses by activated antigen-presenting cells (APCs) such as dendritic cells (DCs). Since nanoparticles have the potential to codeliver tumor-specific antigen and DC-stimulating adjuvant in a DC-targeting manner, we wanted to assess the suitability of mannosylated HPMA-LMA block polymers for immunotherapy. Materials & methods: Fluorescence-labeled block copolymer micelles derived from P(HPMA)-block-P(LMA) copolymers and according statistical copolymers were synthesized via RAFT polymerization, and loaded with the APC activator L18-MDP. Both types of copolymers were conjugated with D-mannose to target the mannose receptor as expressed by DCs and macrophages. The extent and specificity of micelle binding and activation of APCs was monitored using mouse spleen cells and bone marrow-derived DC (BMDC). Results: Nontargeting HPMA-LMA statistical copolymers showed strong unspecific cell binding. HPMA-LMA block copolymers bound DC only when conjugated with mannose, and in a mannose receptor-specific manner. Mannosylated HPMA-LMA block copolymers were internalized by DC. DC-targeting HPMA-LMA block copolymers mediated DC activation when loaded with L18-MDP. Conclusion: Mannosylated HPMA-LMA block copolymers are a promising candidate for the delvopment of DC-targeting nanovaccines.
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Affiliation(s)
- Nicole Mohr
- Institute of Organic Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, 55099 Mainz, Germany
| | - Cinja Kappel
- Department of Dermatology, University Medical Center, Johannes Gutenberg-University Mainz, Obere Zahlbacher Straße 63, 55131 Mainz, Germany
| | - Stefan Kramer
- Institute of Organic Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, 55099 Mainz, Germany
| | - Matthias Bros
- Department of Dermatology, University Medical Center, Johannes Gutenberg-University Mainz, Obere Zahlbacher Straße 63, 55131 Mainz, Germany
| | - Stephan Grabbe
- Department of Dermatology, University Medical Center, Johannes Gutenberg-University Mainz, Obere Zahlbacher Straße 63, 55131 Mainz, Germany
| | - Rudolf Zentel
- Institute of Organic Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, 55099 Mainz, Germany
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Isono T, Miyachi K, Satoh Y, Nakamura R, Zhang Y, Otsuka I, Tajima K, Kakuchi T, Borsali R, Satoh T. Self-Assembly of Maltoheptaose-block-polycaprolactone Copolymers: Carbohydrate-Decorated Nanoparticles with Tunable Morphology and Size in Aqueous Media. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b00781] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
| | | | | | | | | | - Issei Otsuka
- University of Grenoble
Alpes, F-38000 Grenoble, France
- CNRS-CERMAV, F-38000 Grenoble, France
| | | | | | - Redouane Borsali
- University of Grenoble
Alpes, F-38000 Grenoble, France
- CNRS-CERMAV, F-38000 Grenoble, France
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40
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Yuan Y, Liu F, Xue L, Wang H, Pan J, Cui Y, Chen H, Yuan L. Recyclable Escherichia coli-Specific-Killing AuNP-Polymer (ESKAP) Nanocomposites. ACS APPLIED MATERIALS & INTERFACES 2016; 8:11309-11317. [PMID: 27096666 DOI: 10.1021/acsami.6b02074] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Escherichia coli plays a crucial role in various inflammatory diseases and infections that pose significant threats to both human health and the global environment. Specifically inhibiting the growth of pathogenic E. coli is of great and urgent concern. By modifying gold nanoparticles (AuNPs) with both poly[2-(methacrylamido)glucopyranose] (pMAG) and poly[2-(methacryloyloxy)ethyl trimethylammonium iodide] (pMETAI), a novel recyclable E. coli-specific-killing AuNP-polymer (ESKAP) nanocomposite is proposed in this study, which based on both the high affinity of glycopolymers toward E. coli pili and the merits of antibacterial quaternized polymers attached to gold nanoparticles. The properties of nanocomposites with different ratios of pMAG to pMETAI grafted onto AuNPs are studied. With a pMAG:pMETAI feed ratio of 1:3, the nanocomposite appeared to specifically adhere to E. coli and highly inhibit the bacterial cells. After addition of mannose, which possesses higher affinity for the lectin on bacterial pili and has a competitive advantage over pMAG for adhesion to pili, the nanocomposite was able to escape from dead E. coli cells, becoming available for repeat use. The recycled nanocomposite retained good antibacterial activity for at least three cycles. Thus, this novel ESKAP nanocomposite is a promising, highly effective, and readily recyclable antibacterial agent that specifically kills E. coli. This nanocomposite has potential applications in biological sensing, biomedical diagnostics, biomedical imaging, drug delivery, and therapeutics.
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Affiliation(s)
- Yuqi Yuan
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering, and Materials Science, Soochow University , Suzhou 215123, People's Republic of China
| | - Feng Liu
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering, and Materials Science, Soochow University , Suzhou 215123, People's Republic of China
| | - Lulu Xue
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering, and Materials Science, Soochow University , Suzhou 215123, People's Republic of China
| | - Hongwei Wang
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering, and Materials Science, Soochow University , Suzhou 215123, People's Republic of China
| | - Jingjing Pan
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering, and Materials Science, Soochow University , Suzhou 215123, People's Republic of China
| | - Yuecheng Cui
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering, and Materials Science, Soochow University , Suzhou 215123, People's Republic of China
| | - Hong Chen
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering, and Materials Science, Soochow University , Suzhou 215123, People's Republic of China
| | - Lin Yuan
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering, and Materials Science, Soochow University , Suzhou 215123, People's Republic of China
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41
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Ricapito NG, Ghobril C, Zhang H, Grinstaff MW, Putnam D. Synthetic Biomaterials from Metabolically Derived Synthons. Chem Rev 2016; 116:2664-704. [PMID: 26821863 PMCID: PMC5810137 DOI: 10.1021/acs.chemrev.5b00465] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The utility of metabolic synthons as the building blocks for new biomaterials is based on the early application and success of hydroxy acid based polyesters as degradable sutures and controlled drug delivery matrices. The sheer number of potential monomers derived from the metabolome (e.g., lactic acid, dihydroxyacetone, glycerol, fumarate) gives rise to almost limitless biomaterial structural possibilities, functionality, and performance characteristics, as well as opportunities for the synthesis of new polymers. This review describes recent advances in new chemistries, as well as the inventive use of traditional chemistries, toward the design and synthesis of new polymers. Specific polymeric biomaterials can be prepared for use in varied medical applications (e.g., drug delivery, tissue engineering, wound repair, etc.) through judicious selection of the monomer and backbone linkage.
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Affiliation(s)
- Nicole G. Ricapito
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Cynthia Ghobril
- Department of Chemistry, Boston University, Boston, Massachusetts 02215, United States
| | - Heng Zhang
- Department of Chemistry, Boston University, Boston, Massachusetts 02215, United States
| | - Mark W. Grinstaff
- Department of Chemistry, Boston University, Boston, Massachusetts 02215, United States
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts 02118, United States
| | - David Putnam
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853, United States
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York 14853, United States
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42
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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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43
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Fang JY, Lin YK, Wang SW, Yu YC, Lee RS. Dual-stimuli-responsive glycopolymer bearing a reductive and photo-cleavable unit at block junction. RSC Adv 2016. [DOI: 10.1039/c6ra22207b] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Dual-stimuli-cleavable glycopolymers bearing a reductive and photo-cleavable unit at block junction were synthesized and characterization.
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Affiliation(s)
- Jia-You Fang
- Graduate Institute of Natural Products
- Chang Gung University
- Tao-Yuan
- Taiwan
| | - Yin-Ku Lin
- Department of Traditional Chinese Medicine
- Chang Gung Memorial Hospital at Keelung
- Keelung
- Taiwan
| | - Shiu-Wei Wang
- Division of Natural Science
- Center of General Education
- Chang Gung University
- Tao-Yuan 33302
- Taiwan
| | - Yung-Ching Yu
- Division of Natural Science
- Center of General Education
- Chang Gung University
- Tao-Yuan 33302
- Taiwan
| | - Ren-Shen Lee
- Division of Natural Science
- Center of General Education
- Chang Gung University
- Tao-Yuan 33302
- Taiwan
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44
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Fu C, Bongers A, Wang K, Yang B, Zhao Y, Wu H, Wei Y, Duong HTT, Wang Z, Tao L. Facile synthesis of a multifunctional copolymer via a concurrent RAFT-enzymatic system for theranostic applications. Polym Chem 2016. [DOI: 10.1039/c5py01652e] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Through a straightforward concurrent RAFT-enzymatic multicomponent polymerization system and subsequent post-polymerization modifications, a multi-functional copolymer for theranostic application has been efficiently prepared.
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Affiliation(s)
- Changkui Fu
- The Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education)
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Andre Bongers
- Biomedical Resources Imaging Laboratory
- Mark Wainwright Analytical Centre
- The University of New South Wales
- Sydney
- Australia
| | - Ke Wang
- The Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education)
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Bin Yang
- The Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education)
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Yuan Zhao
- The Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education)
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Haibo Wu
- The Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education)
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Yen Wei
- The Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education)
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | | | - Zhiming Wang
- School of Petrochemical Engineering
- Changzhou University
- Changzhou
- China
| | - Lei Tao
- The Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education)
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
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45
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Chen K, Bao M, Muñoz Bonilla A, Zhang W, Chen G. A biomimicking and electrostatic self-assembly strategy for the preparation of glycopolymer decorated photoactive nanoparticles. Polym Chem 2016. [DOI: 10.1039/c6py00129g] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A biomimicking and electrostatic self-assembly strategy for the preparation of glycopolymer decorated photoactive nanoparticles.
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Affiliation(s)
- Kui Chen
- Center for Soft Condensed Matter Physics and Interdisciplinary Research
- Soochow University
- Suzhou 215006
- P. R. China
| | - Meimei Bao
- Center for Soft Condensed Matter Physics and Interdisciplinary Research
- Soochow University
- Suzhou 215006
- P. R. China
| | - Alexandra Muñoz Bonilla
- Departamento de Química Física Aplicada
- Facultad de Ciencias
- Universidad Autónoma de Madrid
- 28049 Madrid
- Spain
| | - Weidong Zhang
- 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
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46
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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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47
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Wang Z, Luo T, Sheng R, Li H, Sun J, Cao A. Amphiphilic Diblock Terpolymer PMAgala-b-P(MAA-co-MAChol)s with Attached Galactose and Cholesterol Grafts and Their Intracellular pH-Responsive Doxorubicin Delivery. Biomacromolecules 2015; 17:98-110. [DOI: 10.1021/acs.biomac.5b01227] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Zhao Wang
- CAS Key Laboratory of Synthetic
and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Ting Luo
- CAS Key Laboratory of Synthetic
and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Ruilong Sheng
- CAS Key Laboratory of Synthetic
and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Hui Li
- CAS Key Laboratory of Synthetic
and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Jingjing Sun
- CAS Key Laboratory of Synthetic
and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Amin Cao
- CAS Key Laboratory of Synthetic
and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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48
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Zhang Y, Chan JW, Moretti A, Uhrich KE. Designing polymers with sugar-based advantages for bioactive delivery applications. J Control Release 2015; 219:355-368. [PMID: 26423239 PMCID: PMC4656084 DOI: 10.1016/j.jconrel.2015.09.053] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Revised: 09/22/2015] [Accepted: 09/25/2015] [Indexed: 01/18/2023]
Abstract
Sugar-based polymers have been extensively explored as a means to increase drug delivery systems' biocompatibility and biodegradation. Here,we review he use of sugar-based polymers for drug delivery applications, with a particular focus on the utility of the sugar component(s) to provide benefits for drug targeting and stimuli responsive systems. Specifically, numerous synthetic methods have been developed to reliably modify naturally-occurring polysaccharides, conjugate sugar moieties to synthetic polymer scaffolds to generate glycopolymers, and utilize sugars as a multifunctional building block to develop sugar-linked polymers. The design of sugar-based polymer systems has tremendous implications on both the physiological and biological properties imparted by the saccharide units and are unique from synthetic polymers. These features include the ability of glycopolymers to preferentially target various cell types and tissues through receptor interactions, exhibit bioadhesion for prolonged residence time, and be rapidly recognized and internalized by cancer cells. Also discussed are the distinct stimuli-sensitive properties of saccharide-modified polymers to mediate drug release under desired conditions. Saccharide-based systems with inherent pH- and temperature-sensitive properties, as well as enzyme-cleavable polysaccharides for targeted bioactive delivery, are covered. Overall, this work emphasizes inherent benefits of sugar-containing polymer systems for bioactive delivery.
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Affiliation(s)
- Yingyue Zhang
- Department of Chemistry and Chemical Biology, Rutgers University, 610 Taylor Road, Piscataway, NJ 08854, USA
| | - Jennifer W Chan
- Department of Biomedical Engineering, Rutgers University, 599 Taylor Road, Piscataway, NJ 08854, USA
| | - Alysha Moretti
- Department of Chemistry and Chemical Biology, Rutgers University, 610 Taylor Road, Piscataway, NJ 08854, USA
| | - Kathryn E Uhrich
- Department of Chemistry and Chemical Biology, Rutgers University, 610 Taylor Road, Piscataway, NJ 08854, USA; Department of Biomedical Engineering, Rutgers University, 599 Taylor Road, Piscataway, NJ 08854, USA.
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49
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Liu X, Cool LR, Lin K, Kasko AM, Wesdemiotis C. Tandem mass spectrometry and ion mobility mass spectrometry for the analysis of molecular sequence and architecture of hyperbranched glycopolymers. Analyst 2015; 140:1182-91. [PMID: 25519163 DOI: 10.1039/c4an01599a] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Multidimensional mass spectrometry techniques, combining matrix-assisted laser desorption/ionization (MALDI) or electrospray ionization (ESI) with tandem mass spectrometry (MS(2)), multistage mass spectrometry (MS(n)) or ion mobility mass spectrometry (IM-MS), have been employed to gain precise structural insight on the compositions, sequences and architectures of small oligomers of a hyperbranched glycopolymer, prepared by atom transfer radical copolymerization of an acrylate monomer (A) and an acrylate inimer (B), both carrying mannose ester pendants. The MS data confirmed the incorporation of multiple inimer repeat units, which ultimately lead to the hyperbranched material. The various possible structures of n-mers with the same composition were subsequently elucidated based on MS(2) and MS(n) studies. The characteristic elimination of bromomethane molecule provided definitive information about the comonomer connectivity in the copolymeric AB2 trimer and A2B2 tetramer, identifying as present only one of the three possible trimeric isomers (viz. sequence BBA) and only two of the six possible tetrameric isomers (viz. sequences BBA2 and BABA). Complementary IM-MS studies confirmed that only one of the tetrameric structures is formed. Comparison of the experimentally determined collision cross-section of the detected isomer with those predicted by molecular simulations for the two possible sequences ascertained BBA2 as the predominant tetrameric architecture. The multidimensional MS approaches presented provide connectivity information at the atomic level without requiring high product purity (due to the dispersive nature of MS) and, hence, should be particularly useful for the microstructure characterization of novel glycopolymers and other types of complex copolymers.
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Affiliation(s)
- Xiumin Liu
- Department of Chemistry, The University of Akron, Akron, OH 44325-3601, USA.
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50
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Kumar S, Maiti B, De P. Carbohydrate-Conjugated Amino Acid-Based Fluorescent Block Copolymers: Their Self-Assembly, pH Responsiveness, and/or Lectin Recognition. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:9422-9431. [PMID: 26259117 DOI: 10.1021/acs.langmuir.5b02245] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
An effective strategy has been documented to combine both carbohydrate and amino acid biomolecules in a single synthetic polymeric system via a reversible addition-fragmentation chain transfer (RAFT) polymerization technique. The resultant unique block copolymer was engineered to form uniform micelles with the desired projection of either selective or both amino acid/sugar residues on the outer surface with multivalency, providing pH-based stimuli-responsiveness and/or lectin recognition. The self-assembly process was studied in detail by field emission scanning electron microscopy (FE-SEM), dynamic light scattering (DLS), and UV-visible spectroscopy. The enhanced lectin binding behavior was observed for glyconanoparticles with both amino acid/sugar entities on the shell as compared to the only glycopolymer nanoparticle because of the higher steric hindrance factor in the case of only the glycopolymer nanoparticle. Fluorophore conjugation by postpolymerization functionalization was further exploited by fluorescence spectroscopy for evidencing the lectin recognition process.
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Affiliation(s)
- Sonu Kumar
- Department of Chemical Sciences, Polymer Research Centre, Indian Institute of Science Education and Research Kolkata ,Mohanpur 741246, Nadia, West Bengal, India
| | - Binoy Maiti
- Department of Chemical Sciences, Polymer Research Centre, Indian Institute of Science Education and Research Kolkata ,Mohanpur 741246, Nadia, West Bengal, India
| | - Priyadarsi De
- Department of Chemical Sciences, Polymer Research Centre, Indian Institute of Science Education and Research Kolkata ,Mohanpur 741246, Nadia, West Bengal, India
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