101
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Affiliation(s)
- Timothy J. Deming
- Department of Bioengineering, University of California, 5121 Engineering 5, Los
Angeles, California 90095, United States
- Department of Chemistry and
Biochemistry, University of California, 607 Charles E. Young Drive East, Los Angeles, California 90095, United States
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102
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Deng Y, Wang X, Yuan Q, Zhu M, Ling Y, Tang H. Synthesis, Characterization, and thermoresponsive properties of Helical Polypeptides Derivatized from Poly(γ−4-(3-chloropropoxycarbonyl)benzyl-L-glutamate). ACTA ACUST UNITED AC 2015. [DOI: 10.1002/pola.27708] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Yong Deng
- Key Laboratory of Polymeric Materials and Application Technology of Hunan Province, Key Laboratory of Advanced Functional Polymer Materials of Colleges and Universities of Hunan Province, College of Chemistry; Xiangtan University; Xiangtan Hunan 411105 China
| | - Xi Wang
- Key Laboratory of Polymeric Materials and Application Technology of Hunan Province, Key Laboratory of Advanced Functional Polymer Materials of Colleges and Universities of Hunan Province, College of Chemistry; Xiangtan University; Xiangtan Hunan 411105 China
| | - Qiulin Yuan
- Key Laboratory of Polymeric Materials and Application Technology of Hunan Province, Key Laboratory of Advanced Functional Polymer Materials of Colleges and Universities of Hunan Province, College of Chemistry; Xiangtan University; Xiangtan Hunan 411105 China
| | - Mengxiang Zhu
- Key Laboratory of Polymeric Materials and Application Technology of Hunan Province, Key Laboratory of Advanced Functional Polymer Materials of Colleges and Universities of Hunan Province, College of Chemistry; Xiangtan University; Xiangtan Hunan 411105 China
| | - Ying Ling
- Key Laboratory of Polymeric Materials and Application Technology of Hunan Province, Key Laboratory of Advanced Functional Polymer Materials of Colleges and Universities of Hunan Province, College of Chemistry; Xiangtan University; Xiangtan Hunan 411105 China
| | - Haoyu Tang
- Key Laboratory of Polymeric Materials and Application Technology of Hunan Province, Key Laboratory of Advanced Functional Polymer Materials of Colleges and Universities of Hunan Province, College of Chemistry; Xiangtan University; Xiangtan Hunan 411105 China
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103
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Injectable supramolecular hydrogels via inclusion complexation of mPEG-grafted copolyglutamate with α-cyclodextrin. CHINESE JOURNAL OF POLYMER SCIENCE 2015. [DOI: 10.1007/s10118-015-1640-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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104
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Verduzco R, Li X, Pesek SL, Stein GE. Structure, function, self-assembly, and applications of bottlebrush copolymers. Chem Soc Rev 2015; 44:2405-20. [PMID: 25688538 DOI: 10.1039/c4cs00329b] [Citation(s) in RCA: 430] [Impact Index Per Article: 47.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Bottlebrush polymers are a type of branched or graft polymer with polymeric side-chains attached to a linear backbone, and the unusual architectures of bottlebrushes provide a number of unique and potentially useful properties. These include a high entanglement molecular weight, enabling rapid self-assembly of bottlebrush block copolymers into large domain structures, the self-assembly of bottlebrush block copolymer micelles in a selective solvent even at very low dilutions, and the functionalization of bottlebrush side-chains for recognition, imaging, or drug delivery in aqueous environments. This review article focuses on recent developments in the field of bottlebrush polymers with an emphasis on applications of bottlebrush copolymers. Bottlebrush copolymers contain two (or more) different types of polymeric side-chains. Recent work has explored the diverse properties and functions of bottlebrush polymers and copolymers in solutions, films, and melts, and applications explored include photonic materials, bottlebrush films for lithographic patterning, drug delivery, and tumor detection and imaging. We provide a brief introduction to bottlebrush synthesis and physical properties and then discuss work related to: (i) bottlebrush self-assembly in melts and bulk thin films, (ii) bottlebrushes for photonics and lithography, (iii) bottlebrushes for small molecule encapsulation and delivery in solution, and (iv) bottlebrush micelles and assemblies in solution. We briefly discuss three potential areas for future research, including developing a more quantitative model of bottlebrush self-assembly in the bulk, studying the properties of bottlebrushes at interfaces, and investigating the solution assembly of bottlebrush copolymers.
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Affiliation(s)
- Rafael Verduzco
- Department of Chemical and Biomolecular Engineering, William Marsh Rice University, 6100 Main Street, MS-362, Houston, TX 77005, USA.
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105
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Gharakhanian EG, Deming TJ. Versatile Synthesis of Stable, Functional Polypeptides via Reaction with Epoxides. Biomacromolecules 2015; 16:1802-6. [DOI: 10.1021/acs.biomac.5b00372] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Eric G. Gharakhanian
- Department
of Chemistry and Biochemistry, University of California Los Angeles, Los
Angeles, California 90095-1569, United States
| | - Timothy J. Deming
- Department
of Chemistry and Biochemistry, University of California Los Angeles, Los
Angeles, California 90095-1569, United States
- Department
of Bioengineering, University of California Los Angeles, Los Angeles, California 90095-1600, United States
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106
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Islam M, Shaikh AY, Hotha S. Transition Metals for the Synthesis of Glycopolymers and Glycopolypeptides. Isr J Chem 2015. [DOI: 10.1002/ijch.201400202] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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107
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Hörtz C, Birke A, Kaps L, Decker S, Wächtersbach E, Fischer K, Schuppan D, Barz M, Schmidt M. Cylindrical Brush Polymers with Polysarcosine Side Chains: A Novel Biocompatible Carrier for Biomedical Applications. Macromolecules 2015. [DOI: 10.1021/ma502497x] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Christian Hörtz
- Institute
for Physical Chemistry, Johannes Gutenberg University, Welder Weg
11, D-55099 Mainz, Germany
| | - Alexander Birke
- Institute
for Organic Chemistry, Johannes Gutenberg University, Duesbergweg
10-14, D-55099 Mainz, Germany
| | - Leonard Kaps
- Institute
of Translational Immunology and Research Center for Immunotherapy,
University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstrasse
1, D-55131 Mainz, Germany
| | - Sandra Decker
- Institute
for Physical Chemistry, Johannes Gutenberg University, Welder Weg
11, D-55099 Mainz, Germany
| | - Eva Wächtersbach
- Institute
for Physical Chemistry, Johannes Gutenberg University, Welder Weg
11, D-55099 Mainz, Germany
| | - Karl Fischer
- Institute
for Physical Chemistry, Johannes Gutenberg University, Welder Weg
11, D-55099 Mainz, Germany
| | - Detlef Schuppan
- Institute
of Translational Immunology and Research Center for Immunotherapy,
University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstrasse
1, D-55131 Mainz, Germany
| | - Matthias Barz
- Institute
for Organic Chemistry, Johannes Gutenberg University, Duesbergweg
10-14, D-55099 Mainz, Germany
| | - Manfred Schmidt
- Institute
for Physical Chemistry, Johannes Gutenberg University, Welder Weg
11, D-55099 Mainz, Germany
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108
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Yin L, Chen Y, Zhang Z, Yin Q, Zheng N, Cheng J. Biodegradable micelles capable of mannose-mediated targeted drug delivery to cancer cells. Macromol Rapid Commun 2015; 36:483-9. [PMID: 25619623 PMCID: PMC4486258 DOI: 10.1002/marc.201400650] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 12/16/2014] [Indexed: 12/31/2022]
Abstract
A targeted micellar drug delivery system is developed from a biocompatible and biodegradable amphiphilic polyester, poly(Lac-OCA)-b-(poly(Tyr(alkynyl)-OCA)-g-mannose) (PLA-b-(PTA-g-mannose), that is synthesized via controlled ring-opening polymerization of O-carboxyanhydride (OCA) and highly efficient "Click" chemistry. Doxorubicin (DOX), a model lipophilic anticancer drug, can be effectively encapsulated into the micelles, and the mannose moiety allows active targeting of the micelles to cancer cells that specifically express mannose receptors, which thereafter enhances the anticancer efficiency of the drug. Comprised entirely of biodegradable and biocompatible polyesters, this micellar system demonstrates promising potentials for targeted drug delivery and cancer therapy.
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Affiliation(s)
- Lichen Yin
- Institute of Functional Nano & Soft Materials (FUNSOM), Collaborative Innovation Center of Suzhou, Nano Science and Technology, Soochow University, Suzhou, 215123, Jiangsu, China
| | - Yongbing Chen
- Department of Cardiothoracic Surgery, the Second Affiliated Hospital of Soochow University, Suzhou, 215004, Jiangsu, China
| | - Zhonghai Zhang
- Department of Materials Science and Engineering, University of Illinois, Urbana-Champaign, 1304 W. Green Street, Urbana, IL 61801, USA
| | - Qian Yin
- Department of Materials Science and Engineering, University of Illinois, Urbana-Champaign, 1304 W. Green Street, Urbana, IL 61801, USA
| | - Nan Zheng
- Department of Materials Science and Engineering, University of Illinois, Urbana-Champaign, 1304 W. Green Street, Urbana, IL 61801, USA
| | - Jianjun Cheng
- Department of Materials Science and Engineering, University of Illinois, Urbana-Champaign, 1304 W. Green Street, Urbana, IL 61801, USA
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109
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Storm IM, Kornreich M, Hernandez-Garcia A, Voets IK, Beck R, Cohen Stuart MA, Leermakers FAM, de Vries R. Liquid crystals of self-assembled DNA bottlebrushes. J Phys Chem B 2015; 119:4084-92. [PMID: 25689450 DOI: 10.1021/jp511412t] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Early theories for bottlebrush polymers have suggested that the so-called main-chain stiffening effect caused by the presence of a dense corona of side chains along a central main chain should lead to an increased ratio of effective persistence length (lp,eff) over the effective thickness (Deff) and, hence, ultimately to lyotropic liquid crystalline behavior. More recent theories and simulations suggest that lp,eff ∼ Deff, such that no liquid crystalline behavior is induced by bottlebrushes. In this paper we investigate experimentally how lyotropic liquid crystalline behavior of a semiflexible polymer is affected by a dense coating of side chains. We use semiflexible DNA as the main chain. A genetically engineered diblock protein polymer C4K12 is used to physically adsorb long side chains on the DNA. The C4K12 protein polymer consists of a positively charged binding block (12 lysines, K12) and a hydrophilic random coil block of 400 amino acids (C4). From light scattering we find that, at low ionic strength (10 mM Tris-HCl), the thickness of the self-assembled DNA bottlebrushes is on the order of 30 nm and the effective grafting density is 1 side chain per 2.7 nm of DNA main chain. We find these self-assembled DNA bottlebrushes form birefringent lyotropic liquid crystalline phases at DNA concentrations as low as 8 mg/mL, roughly 1 order of magnitude lower than for bare DNA. Using small-angle X-ray scattering (SAXS) we show that, at DNA concentrations of 12 mg/mL, there is a transition to a hexagonal phase. We also show that, while the effective persistence length increases due to the bottlebrush coating, the effective thickness of the bottlebrush increases even more, such that in our case the bottlebrush coating reduces the effective aspect ratio of the DNA. This is in agreement with theoretical estimates that show that, in most cases of practical interest, a bottlebrush coating will lead to a decrease of the effective aspect ratio, whereas, only for bottlebrushes with extremely long side chains at very high grafting densities, a bottlebrush coating may be expected to lead to an increase of the effective aspect ratio.
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Affiliation(s)
- Ingeborg M Storm
- Laboratory of Physical Chemistry and Colloid Science, Wageningen University , 6703 HB Wageningen, The Netherlands
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110
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Zhang R, Song Z, Yin L, Zheng N, Tang H, Lu H, Gabrielson NP, Lin Y, Kim K, Cheng J. Ionic α-helical polypeptides toward nonviral gene delivery. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2015; 7:98-110. [PMID: 25377262 PMCID: PMC4545666 DOI: 10.1002/wnan.1307] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2014] [Revised: 07/08/2014] [Accepted: 09/02/2014] [Indexed: 01/08/2023]
Abstract
The advent of polymeric materials has significantly promoted the development and rapid growth of various technologies in biomedical applications, such as tissue engineering and controlled drug and gene delivery. Water-soluble polypeptides bearing functional side chains and adopting stable secondary structures are a new class of functional polymeric materials of potentially broad applications in medicine and biotechnology. In this article, we summarize our recent effort on the design and synthesis of the water-soluble α-helical ionic polypeptides originally developed in our laboratory and highlight their applications in cell membrane penetration and nonviral gene/small interfering RNA (siRNA) delivery.
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Affiliation(s)
- Rujing Zhang
- Department of Materials Science and Engineering, University of Illinois at Urbana–Champaign, Urbana, IL 61801, USA
| | - Ziyuan Song
- Department of Materials Science and Engineering, University of Illinois at Urbana–Champaign, Urbana, IL 61801, USA
| | - Lichen Yin
- Department of Materials Science and Engineering, University of Illinois at Urbana–Champaign, Urbana, IL 61801, USA
| | - Nan Zheng
- Department of Materials Science and Engineering, University of Illinois at Urbana–Champaign, Urbana, IL 61801, USA
| | - Haoyu Tang
- Department of Materials Science and Engineering, University of Illinois at Urbana–Champaign, Urbana, IL 61801, USA
| | - Hua Lu
- Department of Materials Science and Engineering, University of Illinois at Urbana–Champaign, Urbana, IL 61801, USA
| | - Nathan P. Gabrielson
- Department of Materials Science and Engineering, University of Illinois at Urbana–Champaign, Urbana, IL 61801, USA
| | - Yao Lin
- Department of Chemistry, University of Connecticut, Storrs, CT 06269, USA
| | - Kyung Kim
- Department of Materials Science and Engineering, University of Illinois at Urbana–Champaign, Urbana, IL 61801, USA
| | - Jianjun Cheng
- Department of Materials Science and Engineering, University of Illinois at Urbana–Champaign, Urbana, IL 61801, USA
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111
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Wu X, Zhou L, Su Y, Dong CM. Comb-like poly(l-cysteine) derivatives with different side groups: synthesis via photochemistry and click chemistry, multi-responsive nanostructures, triggered drug release and cytotoxicity. Polym Chem 2015. [DOI: 10.1039/c5py01113b] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A series of comb-like graft polypeptides having different side groups and tunable grafting ratios were prepared by sequential photocleavage reactions and Michael-type thiol–ene addition, which provides a promising platform for on-demand nanomedicine and cancer therapy.
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Affiliation(s)
- Xingjie Wu
- Department of Polymer Science & Engineering
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Linzhu Zhou
- Department of Polymer Science & Engineering
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Yue Su
- Department of Polymer Science & Engineering
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Chang-Ming Dong
- Department of Polymer Science & Engineering
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
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112
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Xu Q, He C, Xiao C, Yu S, Chen X. ε-Methacryloyl-l-lysine based polypeptides and their thiol–ene click functionalization. Polym Chem 2015. [DOI: 10.1039/c4py01523a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
l-Lysine-based polypeptides containing methacryloyl pendants were synthesized, which can be facilely functionalized with various functional molecules through a “thiol–ene” reaction.
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Affiliation(s)
- Qinghua Xu
- Key Laboratory of Polymer Ecomaterials
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Chaoliang He
- Key Laboratory of Polymer Ecomaterials
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Chunsheng Xiao
- Key Laboratory of Polymer Ecomaterials
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Shuangjiang Yu
- Key Laboratory of Polymer Ecomaterials
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Xuesi Chen
- Key Laboratory of Polymer Ecomaterials
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
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113
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Cao J, Hu P, Lu L, Chan BA, Luo BH, Zhang D. Non-ionic water-soluble “clickable” α-helical polypeptides: synthesis, characterization and side chain modification. Polym Chem 2015. [DOI: 10.1039/c4py01560f] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Non-ionic water-soluble helical polypeptides bearing reactive side chains can be efficiently modified with hydrophobic or hydrophilic moieties to produce water-soluble conjugates.
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Affiliation(s)
- Jinbao Cao
- Department of Chemistry and Macromolecular Studies Group
- Louisiana State University
- Louisiana 70803
- USA
| | - Ping Hu
- Department of Biological Sciences
- Louisiana State University
- Louisiana 70803
- USA
| | - Lu Lu
- Department of Chemistry and Macromolecular Studies Group
- Louisiana State University
- Louisiana 70803
- USA
| | - Brandon A. Chan
- Department of Chemistry and Macromolecular Studies Group
- Louisiana State University
- Louisiana 70803
- USA
| | - Bing-Hao Luo
- Department of Biological Sciences
- Louisiana State University
- Louisiana 70803
- USA
| | - Donghui Zhang
- Department of Chemistry and Macromolecular Studies Group
- Louisiana State University
- Louisiana 70803
- USA
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114
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Yuan Q, Liu D, Deng Y, Ling Y, Tang H. Facile Synthesis and Solid-State Properties of Liquid-Crystalline Polypeptides Bearing Biphenyl Mesogens and Alkyl Tails. MACROMOL CHEM PHYS 2014. [DOI: 10.1002/macp.201400362] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Qiulin Yuan
- Key Laboratory of Polymeric Materials and Application Technology of Hunan Province; Key Laboratory of Advanced Functional Polymer Materials of Colleges and Universities of Hunan Province; College of Chemistry; Xiangtan University; Xiangtan Hunan 411105 China
| | - Dan Liu
- Key Laboratory of Polymeric Materials and Application Technology of Hunan Province; Key Laboratory of Advanced Functional Polymer Materials of Colleges and Universities of Hunan Province; College of Chemistry; Xiangtan University; Xiangtan Hunan 411105 China
| | - Yong Deng
- Key Laboratory of Polymeric Materials and Application Technology of Hunan Province; Key Laboratory of Advanced Functional Polymer Materials of Colleges and Universities of Hunan Province; College of Chemistry; Xiangtan University; Xiangtan Hunan 411105 China
| | - Ying Ling
- Key Laboratory of Polymeric Materials and Application Technology of Hunan Province; Key Laboratory of Advanced Functional Polymer Materials of Colleges and Universities of Hunan Province; College of Chemistry; Xiangtan University; Xiangtan Hunan 411105 China
| | - Haoyu Tang
- Key Laboratory of Polymeric Materials and Application Technology of Hunan Province; Key Laboratory of Advanced Functional Polymer Materials of Colleges and Universities of Hunan Province; College of Chemistry; Xiangtan University; Xiangtan Hunan 411105 China
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115
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Gkikas M, Haataja JS, Seitsonen J, Ruokolainen J, Ikkala O, Iatrou H, Houbenov N. Extended Self-Assembled Long Periodicity and Zig-Zag Domains from Helix–Helix Diblock Copolymer Poly(γ-benzyl-l-glutamate)-block-poly(O-benzyl-l-hydroxyproline). Biomacromolecules 2014; 15:3923-30. [DOI: 10.1021/bm5009734] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Manos Gkikas
- University of Athens, Department of Chemistry, Panepistimiopolis, Zografou, 15771 Athens, Greece
- Molecular
Materials, Department of Applied Physics, Aalto University School of Science and Technology (previously Helsinki University of Technology), P.O. Box 15100, FIN-00076 Aalto, Espoo, Finland
| | - Johannes S. Haataja
- Molecular
Materials, Department of Applied Physics, Aalto University School of Science and Technology (previously Helsinki University of Technology), P.O. Box 15100, FIN-00076 Aalto, Espoo, Finland
| | - Jani Seitsonen
- Molecular
Materials, Department of Applied Physics, Aalto University School of Science and Technology (previously Helsinki University of Technology), P.O. Box 15100, FIN-00076 Aalto, Espoo, Finland
- Nanomicroscopy
Center, Aalto University School of Science and Technology, P.O. Box 11000, FIN-00076 Aalto, Espoo, Finland
| | - Janne Ruokolainen
- Molecular
Materials, Department of Applied Physics, Aalto University School of Science and Technology (previously Helsinki University of Technology), P.O. Box 15100, FIN-00076 Aalto, Espoo, Finland
- Nanomicroscopy
Center, Aalto University School of Science and Technology, P.O. Box 11000, FIN-00076 Aalto, Espoo, Finland
| | - Olli Ikkala
- Molecular
Materials, Department of Applied Physics, Aalto University School of Science and Technology (previously Helsinki University of Technology), P.O. Box 15100, FIN-00076 Aalto, Espoo, Finland
| | - Hermis Iatrou
- University of Athens, Department of Chemistry, Panepistimiopolis, Zografou, 15771 Athens, Greece
| | - Nikolay Houbenov
- Molecular
Materials, Department of Applied Physics, Aalto University School of Science and Technology (previously Helsinki University of Technology), P.O. Box 15100, FIN-00076 Aalto, Espoo, Finland
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116
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Lai H, Chen X, Lu Q, Bian Z, Tao Y, Wang X. A new strategy to synthesize bottlebrushes with a helical polyglutamate backbone via N-carboxyanhydride polymerization and RAFT. Chem Commun (Camb) 2014; 50:14183-6. [DOI: 10.1039/c4cc06575a] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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117
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Shaikh AY, Das S, Pati D, Dhaware V, Sen Gupta S, Hotha S. Cationic charged helical glycopolypeptide using ring opening polymerization of 6-deoxy-6-azido-glyco-N-carboxyanhydride. Biomacromolecules 2014; 15:3679-86. [PMID: 25122513 DOI: 10.1021/bm5009537] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Glycopolypeptides with a defined secondary structure are of significance in understanding biological phenomena. Synthetic glycopolypeptides, or polypeptides featuring pendant carbohydrate moieties, have been of particular interest in the field of tissue engineering and drug delivery. In this work, we have synthesized charged water-soluble glycopolypeptides that adopt a helical conformation in water. This was carried out by the synthesis of a glyco-N-carboxyanhydride (glyco-NCA) containing an azide group at the sixth position of the carbohydrate ring. Subsequently, the NCA was polymerized to obtain azide-containing glycopolypeptides having good control over molecular weight and polydispersity index (PDI) in high yields. We were also able to control the incorporation of the azide group by synthesizing random co-glycopolypeptide containing 6-deoxy-6-azido and regular 6-OAc functionalized glucose. This azide functionality allows for the easy attachment of a bioactive group, which could potentially enhance the biological activity of the glycopolypeptide. We were able to obtain water-soluble charged glycopolypeptides by both reducing the azide groups into amines and using CuAAC with propargylamine. These charged glycopolypeptides were shown to have a helical conformation in water. Preliminary studies showed that these charged glycopolypeptides showed good biocompatibility and were efficiently taken up by HepG2 cells.
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Affiliation(s)
- Ashif Y Shaikh
- CSIR-National Chemical Laboratory , Dr. Homi Bhabha Road, Pune-411 008, India
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118
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Fan J, Li R, He X, Seetho K, Zhang F, Zou J, Wooley KL. Construction of a versatile and functional nanoparticle platform derived from a helical diblock copolypeptide-based biomimetic polymer. Polym Chem 2014; 5:3977-3981. [PMID: 25013459 PMCID: PMC4084918 DOI: 10.1039/c4py00628c] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Sequential polymerization of N-carboxyanhydrides accelerated by nitrogen flow is utilized to generate a novel well-defined diblock copolypeptide (PDI = 1.08), with incorporation of alkyne-functionalized side-chain groups allowing for rapid and efficient thiol-yne click-type modifications, followed by self-assembly into nanopure water to construct a helical polypeptide-based versatile and functional nanoparticle platform.
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Affiliation(s)
- Jingwei Fan
- Departments of Chemistry, Chemical Engineering, and Materials Science and Engineering, Laboratory for Synthetic-Biologic Interactions, Texas A&M University, P.O. BOX 30012, 3255 TAMU, College Station, TX, 77842 (USA)
| | - Richen Li
- Departments of Chemistry, Chemical Engineering, and Materials Science and Engineering, Laboratory for Synthetic-Biologic Interactions, Texas A&M University, P.O. BOX 30012, 3255 TAMU, College Station, TX, 77842 (USA)
| | - Xun He
- Departments of Chemistry, Chemical Engineering, and Materials Science and Engineering, Laboratory for Synthetic-Biologic Interactions, Texas A&M University, P.O. BOX 30012, 3255 TAMU, College Station, TX, 77842 (USA)
| | - Kellie Seetho
- Departments of Chemistry, Chemical Engineering, and Materials Science and Engineering, Laboratory for Synthetic-Biologic Interactions, Texas A&M University, P.O. BOX 30012, 3255 TAMU, College Station, TX, 77842 (USA)
| | - Fuwu Zhang
- Departments of Chemistry, Chemical Engineering, and Materials Science and Engineering, Laboratory for Synthetic-Biologic Interactions, Texas A&M University, P.O. BOX 30012, 3255 TAMU, College Station, TX, 77842 (USA)
| | - Jiong Zou
- Departments of Chemistry, Chemical Engineering, and Materials Science and Engineering, Laboratory for Synthetic-Biologic Interactions, Texas A&M University, P.O. BOX 30012, 3255 TAMU, College Station, TX, 77842 (USA)
| | - Karen L. Wooley
- Departments of Chemistry, Chemical Engineering, and Materials Science and Engineering, Laboratory for Synthetic-Biologic Interactions, Texas A&M University, P.O. BOX 30012, 3255 TAMU, College Station, TX, 77842 (USA)
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119
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Quadir MA, Morton SW, Deng ZJ, Shopsowitz KE, Murphy RP, Epps TH, Hammond PT. PEG-polypeptide block copolymers as pH-responsive endosome-solubilizing drug nanocarriers. Mol Pharm 2014; 11:2420-30. [PMID: 24813025 PMCID: PMC4096223 DOI: 10.1021/mp500162w] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
![]()
Herein
we report the potential of click chemistry-modified polypeptide-based
block copolymers for the facile fabrication of pH-sensitive nanoscale
drug delivery systems. PEG–polypeptide copolymers with pendant
amine chains were synthesized by combining N-carboxyanhydride-based
ring-opening polymerization with post-functionalization using azide–alkyne
cycloaddition. The synthesized block copolymers contain a polypeptide
block with amine-functional side groups and were found to self-assemble
into stable polymersomes and disassemble in a pH-responsive manner
under a range of biologically relevant conditions. The self-assembly
of these block copolymers yields nanometer-scale vesicular structures
that are able to encapsulate hydrophilic cytotoxic agents like doxorubicin
at physiological pH but that fall apart spontaneously at endosomal
pH levels after cellular uptake. When drug-encapsulated copolymer
assemblies were delivered systemically, significant levels of tumor
accumulation were achieved, with efficacy against the triple-negative
breast cancer cell line, MDA-MB-468, and suppression of tumor growth
in an in vivo mouse model.
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Affiliation(s)
- Mohiuddin A Quadir
- Department of Chemical Engineering and Koch Institute of Integrative Cancer Research, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
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120
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Synthesis of star-like polybutadienes by a combination of living anionic polymerization and “click” coupling method. CHINESE JOURNAL OF POLYMER SCIENCE 2014. [DOI: 10.1007/s10118-014-1448-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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121
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Abstract
The remarkable diversity of the self-assembly behavior of PEG-peptides is reviewed, including self-assemblies formed by PEG-peptides with β-sheet and α-helical (coiled-coil) peptide sequences. The modes of self-assembly in solution and in the solid state are discussed. Additionally, applications in bionanotechnology and synthetic materials science are summarized.
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Affiliation(s)
- Ian W Hamley
- Department of Chemistry, University of Reading , Whiteknights, Reading RG6 6AD, United Kingdom
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122
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Song Z, Zheng N, Ba X, Yin L, Zhang R, Ma L, Cheng J. Polypeptides with quaternary phosphonium side chains: synthesis, characterization, and cell-penetrating properties. Biomacromolecules 2014; 15:1491-7. [PMID: 24635536 PMCID: PMC3993874 DOI: 10.1021/bm5001026] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
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Polypeptides bearing quaternary phosphonium
side chains were synthesized
via controlled ring-opening polymerization of chlorine-functionalized
amino acid N-carboxyanhydride monomers followed by
one-step nucleophilic substitution reaction with triethylphosphine.
The conformation of the resulting polypeptides can be controlled by
modulating the side-chain length and α-carbon stereochemistry.
The phosphonium-based poly(l-glutamate) derivatives with
11 σ-bond backbone-to-charge distance adopt stable α-helical
conformation against pH and ionic strength changes. These helical,
quaternary phosphonium-bearing polypeptides exhibit higher cell-penetrating
capability than their racemic and random-coiled analogues. They enter
cells mainly via an energy-independent, nonendocytic cell membrane
transduction mechanism and exhibit low cytotoxicity, substantiating
their potential use as a safe and effective cell-penetrating agent.
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Affiliation(s)
- Ziyuan Song
- Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign , 1304 West Green Street, Urbana, Illinois 61801, United States
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123
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Deng C, Wu J, Cheng R, Meng F, Klok HA, Zhong Z. Functional polypeptide and hybrid materials: Precision synthesis via α-amino acid N-carboxyanhydride polymerization and emerging biomedical applications. Prog Polym Sci 2014. [DOI: 10.1016/j.progpolymsci.2013.10.008] [Citation(s) in RCA: 274] [Impact Index Per Article: 27.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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124
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Morton SW, Zhao X, Quadir MA, Hammond PT. FRET-enabled biological characterization of polymeric micelles. Biomaterials 2014; 35:3489-96. [PMID: 24477190 DOI: 10.1016/j.biomaterials.2014.01.027] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2013] [Accepted: 01/09/2014] [Indexed: 10/25/2022]
Abstract
Translation of micelles from the laboratory to the clinic is limited by a poor understanding of their in vivo fate following administration. In this paper, we establish a robust approach to real-time monitoring of the in vivo stability of micelles using Förster Resonance Energy Transfer (FRET). This characterization method allows for exquisite insight into the fate of micellar constituents, affording the capabilities to rapidly and efficiently evaluate a library of synthetically derived micellar systems as new therapeutic platforms in vivo. FRET-enabled biological characterization further holds potential to tailor material systems being uniquely investigated across the delivery community towards the next generation of stable therapeutics for disease management.
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Affiliation(s)
- Stephen W Morton
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, USA; Department of Chemical Engineering, Massachusetts Institute of Technology, USA
| | - Xiaoyong Zhao
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, USA
| | - Mohiuddin A Quadir
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, USA
| | - Paula T Hammond
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, USA; Department of Chemical Engineering, Massachusetts Institute of Technology, USA; Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, USA. http://web.mit.edu/hammond/lab/
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125
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Zhang R, Zheng N, Song Z, Yin L, Cheng J. The effect of side-chain functionality and hydrophobicity on the gene delivery capabilities of cationic helical polypeptides. Biomaterials 2014; 35:3443-54. [PMID: 24439403 DOI: 10.1016/j.biomaterials.2013.12.097] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2013] [Accepted: 12/28/2013] [Indexed: 10/25/2022]
Abstract
The rational design of effective and safe non-viral gene vectors is largely dependent on the understanding of the structure-property relationship. We herein report the design of a new series of cationic, α-helical polypeptides with different side charged groups (amine and guanidine) and hydrophobicity, and mechanistically unraveled the effect of polypeptide structure on the gene delivery capability. Guanidine-containing polypeptides displayed superior membrane activities to their amine-containing analogues via the pore formation mechanism, and thus possessed notably higher transfection efficiencies. Elongating the hydrophobic side chain also potentiated the membrane activities of the polypeptides, while at the meantime caused higher cytotoxicities. Upon an optimal balance between membrane activity and cytotoxicity, maximal transfection efficiency was achieved which outperformed commercial reagent Lipofectamine™ 2000 (LPF2000) by 3-6 folds. This study thus provides mechanistic insights into the rational design of non-viral gene delivery vectors, and the best-performing materials identified also serve as a promising addition to the existing systems.
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Affiliation(s)
- Rujing Zhang
- Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, 1304 W Green Street, Urbana, IL 61801, USA
| | - Nan Zheng
- Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, 1304 W Green Street, Urbana, IL 61801, USA
| | - Ziyuan Song
- Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, 1304 W Green Street, Urbana, IL 61801, USA
| | - Lichen Yin
- Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, 1304 W Green Street, Urbana, IL 61801, USA.
| | - Jianjun Cheng
- Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, 1304 W Green Street, Urbana, IL 61801, USA.
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126
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127
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Tian HJ, Qu W, Zhu YF, Shen Z, Fan XH. Synthesis and properties of a rod-g-rod bottlebrush with a semirigid mesogen-jacketed polymer as the side chain. Polym Chem 2014. [DOI: 10.1039/c4py00033a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
A series of bottlebrushes, PPLG-g-PMPCS, with an α-helical rigid backbone and mesogen-jacketed rigid side chains were synthesized by the “grafting onto” method. The conformation of the bottlebrush changes from a cylinder to an ellipsoid with increasing side-chain length.
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Affiliation(s)
- Hai-Jian Tian
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Polymer Chemistry and Physics of Ministry of Education
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing 100871, China
| | - Wei Qu
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Polymer Chemistry and Physics of Ministry of Education
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing 100871, China
| | - Yu-Feng Zhu
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Polymer Chemistry and Physics of Ministry of Education
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing 100871, China
| | - Zhihao Shen
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Polymer Chemistry and Physics of Ministry of Education
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing 100871, China
| | - Xing-He Fan
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Polymer Chemistry and Physics of Ministry of Education
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing 100871, China
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128
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Wibowo SH, Sulistio A, Wong EHH, Blencowe A, Qiao GG. Polypeptide films via N-carboxyanhydride ring-opening polymerization (NCA-ROP): past, present and future. Chem Commun (Camb) 2014; 50:4971-88. [DOI: 10.1039/c4cc00293h] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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129
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Lu H, Wang J, Song Z, Yin L, Zhang Y, Tang H, Tu C, Lin Y, Cheng J. Recent advances in amino acid N-carboxyanhydrides and synthetic polypeptides: chemistry, self-assembly and biological applications. Chem Commun (Camb) 2014; 50:139-55. [DOI: 10.1039/c3cc46317f] [Citation(s) in RCA: 231] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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130
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Tang H, Yin L, Kim KH, Cheng J. Helical Poly(arginine) Mimics with Superior Cell-Penetrating and Molecular Transporting Properties. Chem Sci 2013; 4:3839-3844. [PMID: 25400902 PMCID: PMC4232443 DOI: 10.1039/c3sc51328a] [Citation(s) in RCA: 119] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Poly(arginine) mimics bearing long hydrophobic side chains adopt stable helical conformation and exhibit helix-related cell-penetrating properties. Elongating polypeptide backbone length and increasing side chain hydrophobicity further increase the helicities of poly(arginine) mimics. They show superior cell membrane permeability up to two orders of magnitude higher than that of HIV-TAT peptide and excellent DNA and siRNA delivery efficiencies in various mammalian cells.
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Affiliation(s)
| | | | - Kyung Hoon Kim
- Department of Materials Science and Engineering, University of Illinois at Urbana–Champaign, 1304 West Green Street, Urbana, IL, 61801, USA
| | - Jianjun Cheng
- Department of Materials Science and Engineering, University of Illinois at Urbana–Champaign, 1304 West Green Street, Urbana, IL, 61801, USA
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131
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Cohen-Karni T, Dvir T. Advanced Technologies for Engineering Tissue Mimetics. Isr J Chem 2013. [DOI: 10.1002/ijch.201300067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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132
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Affiliation(s)
- Bradley D. Olsen
- Dept. of Chemical Engineering; Massachusetts Institute of Technology; 77 Massachusetts Avenue Cambridge MA 02139
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133
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Zhou J, Chen P, Deng C, Meng F, Cheng R, Zhong Z. A Simple and Versatile Synthetic Strategy to Functional Polypeptides via Vinyl Sulfone-Substituted l-Cysteine N-Carboxyanhydride. Macromolecules 2013. [DOI: 10.1021/ma4014669] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jianren Zhou
- Biomedical Polymers Laboratory, and
Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application,
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s
Republic of China
| | - Peipei Chen
- Biomedical Polymers Laboratory, and
Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application,
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s
Republic of China
| | - Chao Deng
- Biomedical Polymers Laboratory, and
Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application,
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s
Republic of China
| | - Fenghua Meng
- Biomedical Polymers Laboratory, and
Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application,
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s
Republic of China
| | - Ru Cheng
- Biomedical Polymers Laboratory, and
Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application,
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s
Republic of China
| | - Zhiyuan Zhong
- Biomedical Polymers Laboratory, and
Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application,
College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s
Republic of China
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134
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Jacobs J, Gathergood N, Heise A. Synthesis of Polypeptide Block Copolymer Hybrids by the Combination of N
-Carboxyanhydride Polymerization and RAFT. Macromol Rapid Commun 2013; 34:1325-9. [DOI: 10.1002/marc.201300402] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2013] [Revised: 06/15/2013] [Indexed: 01/02/2023]
Affiliation(s)
- Jaco Jacobs
- Dublin City University, School of Chemical Sciences; Glasnevin Dublin 9 Ireland
| | - Nicholas Gathergood
- Dublin City University, School of Chemical Sciences; Glasnevin Dublin 9 Ireland
| | - Andreas Heise
- Dublin City University, School of Chemical Sciences; Glasnevin Dublin 9 Ireland
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135
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SYNTHESIS OF TOOTHBRUSH COPOLYPEPTIDES BASED ON POLYLYSINE BACKBONE. ACTA POLYM SIN 2013. [DOI: 10.3724/sp.j.1105.2013.12424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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136
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Rhodes AJ, Deming TJ. Soluble, Clickable Polypeptides from Azide-Containing N-Carboxyanhydride Monomers. ACS Macro Lett 2013; 2:351-354. [PMID: 35581836 DOI: 10.1021/mz4001089] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
We report a method for the synthesis of soluble, well-defined, azide-functionalized polypeptides via living polymerization of new azide-containing amino acid N-carboxyanhydride (NCA) monomers. Homo and diblock azidopolypeptides were prepared with controlled segment lengths using (PMe3)4Co initiator and were subsequently modified by reaction with functional alkyne reagents. The azide groups were found to be quantitatively converted to the corresponding triazole derivatives, and the functionalized polymers were obtained in high yield. This methodology provides a facile and straightforward method for preparation of functional and side-chain reactive, high molecular weight polypeptides.
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Affiliation(s)
- Allison J. Rhodes
- Department of Chemistry and Biochemistry, and ‡Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Timothy J. Deming
- Department of Chemistry and Biochemistry, and ‡Department of Bioengineering, University of California, Los Angeles, Los Angeles, California 90095, United States
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137
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Dhaware V, Shaikh AY, Kar M, Hotha S, Sen Gupta S. Synthesis and self-assembly of amphiphilic homoglycopolypeptide. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:5659-5667. [PMID: 23578300 DOI: 10.1021/la400144t] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
The synthesis of the amphiphilic homoglycopolypeptide was carried out by a combination of NCA polymerization and click chemistry to yield a well-defined polypeptide having an amphiphilic carbohydrate on its side chain. The amphiphilicity of the carbohydrate was achieved by incorporation of an alkyl chain at the C-6 position of the carbohydrate thus also rendering the homoglycopolypeptide amphiphilic. The homoglycopolypeptide formed multimicellar aggregates in water above a critical concentration of 0.9 μM due to phase separation. The multimicellar aggregates were characterized by DLS, TEM, and AFM. It is proposed that hydrophobic interactions of the aliphatic chains at the 6-position of the sugar moieties drives the assembly of these rod-like homoglycopolypeptide into large spherical aggregates. These multimicellar aggregates encapsulate both hydrophilic as well as hydrophobic dye as was confirmed by confocal microscopy. Finally, amphiphilic random polypeptides containing 10% and 20% α-d-mannose in addition to glucose containing a hydrophobic alkyl chain at its 6 position were synthesized by our methodology, and these polymers were also found to assemble into spherical nanostructures. The spherical assemblies of amphiphilic random glycopolypeptides containing 10% and 20% mannose were found to be surface bioactive and were found to interact with the lectin Con-A.
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Affiliation(s)
- Vinita Dhaware
- Chemical Engineering Division, National Chemical Laboratory, Pune, India
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138
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Tang Y, Liu L, Wu J, Duan J. Synthesis and self-assembly of thermo/pH-responsive double hydrophilic brush–coil copolymer with poly(l-glutamic acid) side chains. J Colloid Interface Sci 2013; 397:24-31. [DOI: 10.1016/j.jcis.2013.01.018] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Revised: 01/01/2013] [Accepted: 01/04/2013] [Indexed: 01/21/2023]
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139
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140
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Engler AC, Chan JMW, Coady DJ, O’Brien JM, Sardon H, Nelson A, Sanders DP, Yang YY, Hedrick JL. Accessing New Materials through Polymerization and Modification of a Polycarbonate with a Pendant Activated Ester. Macromolecules 2013. [DOI: 10.1021/ma4001258] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Amanda C. Engler
- IBM Almaden Research Center, 650 Harry Rd., San Jose, California 95120, United
States
| | - Julian M. W. Chan
- IBM Almaden Research Center, 650 Harry Rd., San Jose, California 95120, United
States
| | - Daniel J. Coady
- IBM Almaden Research Center, 650 Harry Rd., San Jose, California 95120, United
States
| | - Jeannette M. O’Brien
- IBM Almaden Research Center, 650 Harry Rd., San Jose, California 95120, United
States
| | - Haritz Sardon
- IBM Almaden Research Center, 650 Harry Rd., San Jose, California 95120, United
States
- POLYMAT, Univ. of the Basque Country, Joxe Mari Korta Center-Avda.
Tolosa, 72, 20018, Donostia-San Sebastian, Spain
| | - Alshakim Nelson
- IBM Almaden Research Center, 650 Harry Rd., San Jose, California 95120, United
States
| | - Daniel P. Sanders
- IBM Almaden Research Center, 650 Harry Rd., San Jose, California 95120, United
States
| | - Yi Yan Yang
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, Singapore 138669,
Singapore
| | - James L. Hedrick
- IBM Almaden Research Center, 650 Harry Rd., San Jose, California 95120, United
States
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141
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Borase T, Ninjbadgar T, Kapetanakis A, Roche S, O'Connor R, Kerskens C, Heise A, Brougham DF. Stable aqueous dispersions of glycopeptide-grafted selectably functionalized magnetic nanoparticles. Angew Chem Int Ed Engl 2013; 52:3164-7. [PMID: 23371331 DOI: 10.1002/anie.201208099] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2012] [Indexed: 11/08/2022]
Affiliation(s)
- Tushar Borase
- School of Chemical Sciences, Dublin City University, Glasnevin, Dublin 9, Ireland
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142
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Borase T, Ninjbadgar T, Kapetanakis A, Roche S, O'Connor R, Kerskens C, Heise A, Brougham DF. Stable Aqueous Dispersions of Glycopeptide-Grafted Selectably Functionalized Magnetic Nanoparticles. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201208099] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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143
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Ding J, Zhao L, Li D, Xiao C, Zhuang X, Chen X. Thermo-responsive “hairy-rod” polypeptides for smart antitumor drug delivery. Polym Chem 2013. [DOI: 10.1039/c3py00144j] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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144
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Bonduelle C, Mazzaferro S, Huang J, Lambert O, Heise A, Lecommandoux S. Synthesis and self-assembly of branched glycopolypeptides: effect of topology and conformation. Faraday Discuss 2013; 166:137-50. [DOI: 10.1039/c3fd00082f] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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145
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Shi H, Zhao Y, Dong X, Zhou Y, Wang D. Frustrated crystallisation and hierarchical self-assembly behaviour of comb-like polymers. Chem Soc Rev 2013; 42:2075-99. [DOI: 10.1039/c2cs35350d] [Citation(s) in RCA: 104] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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146
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Barz M, Duro-Castano A, Vicent MJ. A versatile post-polymerization modification method for polyglutamic acid: synthesis of orthogonal reactive polyglutamates and their use in “click chemistry”. Polym Chem 2013. [DOI: 10.1039/c3py00189j] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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147
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Chen P, Li C, Liu D, Li Z. DNA-Grafted Polypeptide Molecular Bottlebrush Prepared via Ring-Opening Polymerization and Click Chemistry. Macromolecules 2012. [DOI: 10.1021/ma302233m] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ping Chen
- Beijing National
Laboratory
for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Chuang Li
- Key Laboratory of Organic Optoelectronics & Molecular Engineering of the Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Dongsheng Liu
- Key Laboratory of Organic Optoelectronics & Molecular Engineering of the Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Zhibo Li
- Beijing National
Laboratory
for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
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148
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Ding A, Lu G, Guo H, Zheng X, Huang X. SET-LRP synthesis of PMHDO-g-PNIPAM well-defined amphiphilic graft copolymer. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26469] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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149
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Rhodes AJ, Deming TJ. Tandem catalysis for the preparation of cylindrical polypeptide brushes. J Am Chem Soc 2012; 134:19463-7. [PMID: 23134537 DOI: 10.1021/ja308620h] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Here, we report a method for synthesis of cylindrical copolypeptide brushes via N-carboxyanhydride (NCA) polymerization utilizing a new tandem catalysis approach that allows preparation of brushes with controlled segment lengths in a straightforward, one-pot procedure requiring no intermediate isolation or purification steps. To obtain high-density brush copolypeptides, we used a "grafting from" approach where alloc-α-aminoamide groups were installed onto the side chains of NCAs to serve as masked initiators. These groups were inert during cobalt-initiated NCA polymerization and gave allyloxycarbonyl-α-aminoamide-substituted polypeptide main chains. The alloc-α-aminoamide groups were then activated in situ using nickel to generate initiators for growth of side-chain brush segments. This use of stepwise tandem cobalt and nickel catalysis was found to be an efficient method for preparation of high-chain-density, cylindrical copolypeptide brushes, where both the main chains and side chains can be prepared with controlled segment lengths.
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Affiliation(s)
- Allison J Rhodes
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, USA
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150
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Günay KA, Theato P, Klok HA. Standing on the shoulders of Hermann Staudinger: Post-polymerization modification from past to present. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26333] [Citation(s) in RCA: 298] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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