1
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Drago S, Utzeri MA, Mauro N, Cavallaro G. Polyamidoamine-Carbon Nanodot Conjugates with Bioreducible Building Blocks: Smart Theranostic Platforms for Targeted siRNA Delivery. Biomacromolecules 2024; 25:1191-1204. [PMID: 38178792 PMCID: PMC10865362 DOI: 10.1021/acs.biomac.3c01185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/23/2023] [Accepted: 12/26/2023] [Indexed: 01/06/2024]
Abstract
This study focuses on designing hybrid theranostic nanosystems, utilizing gadolinium-doped carbon nanodots decorated with bioreducible amphoteric polyamidoamines (PAAs). The objective is to synergize the exceptional theranostic properties of gadolinium-doped carbon nanodots (CDs) with the siRNA complexation capabilities of PAAs. Linear copolymeric polyamidoamines, based on N,N'-bis(acryloyl)cystamine, arginine, and agmatine, were synthesized, resulting in three distinct amphoteric copolymers. Notably, sulfur bridges within the PAA repeating units confer pronounced susceptibility to glutathione-mediated degradation─a key attribute in the tumor microenvironment. This pathway enables controlled and stimuli-responsive siRNA release, theoretically providing precise spatiotemporal control over therapeutic interventions. The selected PAA, conjugated with CDs using the redox-sensitive spacer cystamine, formed the CDs-Cys-PAA conjugate with superior siRNA complexing capacity. Stable against polyanion exchange, the CDs-Cys-PAA/siRNA complex released siRNA in the presence of GSH. In vitro studies assessed cytocompatibility, internalization, and gene silencing efficacy on HeLa, MCF-7, and 16HBE cell lines.
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Affiliation(s)
- Salvatore
Emanuele Drago
- Laboratory of Biocompatible
Polymers, Department of Biological, Chemical and Pharmaceutical Sciences
and Technologies (STEBICEF), University
of Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Mara Andrea Utzeri
- Laboratory of Biocompatible
Polymers, Department of Biological, Chemical and Pharmaceutical Sciences
and Technologies (STEBICEF), University
of Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Nicolò Mauro
- Laboratory of Biocompatible
Polymers, Department of Biological, Chemical and Pharmaceutical Sciences
and Technologies (STEBICEF), University
of Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Gennara Cavallaro
- Laboratory of Biocompatible
Polymers, Department of Biological, Chemical and Pharmaceutical Sciences
and Technologies (STEBICEF), University
of Palermo, Via Archirafi 32, 90123 Palermo, Italy
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2
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Wang C, He W, Wang F, Yong H, Bo T, Yao D, Zhao Y, Pan C, Cao Q, Zhang S, Li M. Recent progress of non-linear topological structure polymers: synthesis, and gene delivery. J Nanobiotechnology 2024; 22:40. [PMID: 38280987 PMCID: PMC10821314 DOI: 10.1186/s12951-024-02299-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 01/03/2024] [Indexed: 01/29/2024] Open
Abstract
Currently, many types of non-linear topological structure polymers, such as brush-shaped, star, branched and dendritic structures, have captured much attention in the field of gene delivery and nanomedicine. Compared with linear polymers, non-linear topological structural polymers offer many advantages, including multiple terminal groups, broad and complicated spatial architecture and multi-functionality sites to enhance gene delivery efficiency and targeting capabilities. Nevertheless, the complexity of their synthesis process severely hampers the development and applications of nonlinear topological polymers. This review aims to highlight various synthetic approaches of non-linear topological architecture polymers, including reversible-deactivation radical polymerization (RDRP) including atom-transfer radical polymerization (ATRP), nitroxide-mediated polymerization (NMP), reversible addition-fragmentation chain transfer (RAFT) polymerization, click chemistry reactions and Michael addition, and thoroughly discuss their advantages and disadvantages, as well as analyze their further application potential. Finally, we comprehensively discuss and summarize different non-linear topological structure polymers for genetic materials delivering performance both in vitro and in vivo, which indicated that topological effects and nonlinear topologies play a crucial role in enhancing the transfection performance of polymeric vectors. This review offered a promising guideline for the design and development of novel nonlinear polymers and facilitated the development of a new generation of polymer-based gene vectors.
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Affiliation(s)
- Chenfei Wang
- Department of Dermatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai, 201102, China.
| | - Wei He
- School of Medicine, Anhui University of Science and Technology, Huainan, 232000, Anhui, China
| | - Feifei Wang
- Department of Anesthesiology, The Second Affiliated Hospital of Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Haiyang Yong
- School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, Shaanxi, China
| | - Tao Bo
- Key Laboratory of Glycoconjugate Research Ministry of Public Health, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Dingjin Yao
- Shanghai EditorGene Technology Co., Ltd, Shanghai, 200000, China
| | - Yitong Zhao
- School of Medicine, Anhui University of Science and Technology, Huainan, 232000, Anhui, China
| | - Chaolan Pan
- Department of Dermatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai, 201102, China
| | - Qiaoyu Cao
- Department of Dermatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai, 201102, China
| | - Si Zhang
- Key Laboratory of Glycoconjugate Research Ministry of Public Health, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China.
| | - Ming Li
- Department of Dermatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai, 201102, China.
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3
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Pontes AP, van der Wal S, Roelofs K, Grobbink A, Creemers LB, Engbersen JFJ, Rip J. A poly(amidoamine)-based polymeric nanoparticle platform for efficient in vivo delivery of mRNA. BIOMATERIALS ADVANCES 2024; 156:213713. [PMID: 38071770 DOI: 10.1016/j.bioadv.2023.213713] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 10/20/2023] [Accepted: 11/26/2023] [Indexed: 12/27/2023]
Abstract
The successful use of mRNA vaccines enabled and accelerated the development of several new vaccine candidates and therapeutics based on the delivery of mRNA. In this study, we developed bioreducible poly(amidoamine)-based polymeric nanoparticles (PAA PNPs) for the delivery of mRNA with improved transfection efficiency. The polymers were functionalized with chloroquinoline (Q) moieties for improved endosomal escape and further stabilization of the mRNA-polymer construct. Moreover, these PAAQ polymers were covalently assembled around a core of multi-armed ethylenediamine (Mw 800, 2 % w/w) to form a pre-organized polymeric scaffolded PAAQ (ps-PAAQ) as a precursor for the formation of the mRNA-loaded nanoparticles. Transfection of mammalian cell lines with EGFP mRNA loaded into these PNPs showed a favorable effect of the Q incorporation on GFP protein expression. Additionally, these ps-PAAQ NPs were co-formulated with PEG-polymer coatings to shield the positive surface charge for increased stability and better in vivo applicability. The ps-PAAQ NPs coated with PEG-polymer displayed smaller particle size, electroneutral surface charge, and higher thermal stability. Importantly, these nanoparticles with both Q and PEG-polymer coating induced significantly higher luciferase activity in mice muscle than uncoated ps-PAAQ NPs, following intramuscular injection of PNPs loaded with luciferase mRNA. The developed technology is broadly applicable and holds promise for the development of new nucleotide-based vaccines and therapeutics in a range of infectious and chronic diseases.
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Affiliation(s)
- Adriano P Pontes
- 20Med Therapeutics B.V., Galileiweg 8, 2333 BD Leiden, the Netherlands
| | | | - Karin Roelofs
- 20Med Therapeutics B.V., Galileiweg 8, 2333 BD Leiden, the Netherlands
| | - Anne Grobbink
- 20Med Therapeutics B.V., Galileiweg 8, 2333 BD Leiden, the Netherlands
| | - Laura B Creemers
- Department of Orthopedics, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, the Netherlands
| | - Johan F J Engbersen
- 20Med Therapeutics B.V., Galileiweg 8, 2333 BD Leiden, the Netherlands; Technical Medical Centre, University of Twente, P.O. Box 217, 7500 AE Enschede, the Netherlands
| | - Jaap Rip
- 20Med Therapeutics B.V., Galileiweg 8, 2333 BD Leiden, the Netherlands.
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4
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Liu Y, Zhou L, Xu X, Cheng Z, Chen Y, Mei XA, Zheng N, Zhang C, Bai Y. Combination of Backbone Rigidity and Richness in Aryl Structures Enables Direct Membrane Translocation of Polymer Scaffolds for Efficient Gene Delivery. Biomacromolecules 2023; 24:5698-5706. [PMID: 37945526 DOI: 10.1021/acs.biomac.3c00682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
The development of cell-penetrating polymers with endocytosis-independent cell uptake pathways has emerged as a prominent strategy to enhance the transfection efficiency. Inspired by the rigid α-helical structure that endows polypeptides with cell-penetrating ability, we propose that a rigid backbone can facilitate the corresponding polymer vector's performance in gene delivery by bypassing the difficult endosomal escape process. Meanwhile, the installation of aromatic domains, as a way to promote gene transfection efficiency, is employed through the construction of a poly(benzyl ether) (PBE)-based scaffold in this work. We demonstrate that the direct membrane translocation capability of the synthesized PBE contributes to its enhanced transfection performance and excellent biocompatibility profile, rendering the imidazolium-functionalized PBE scaffold with higher activity and biocompatibility. Molecular details of the PBE-lipid interaction are also revealed in molecular dynamics simulations, indicating the important roles of individual structural elements on the polymeric scaffold in the membrane penetration process.
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Affiliation(s)
- Ying Liu
- State Key Laboratory of Chemo-/Bio-Sensing and Chemometrics, School of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Leyue Zhou
- State Key Laboratory of Chemo-/Bio-Sensing and Chemometrics, School of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
- Department of Food and Pharmaceutical Engineering, Shijiazhuang College of Applied Technology, Shijiazhuang, Hebei 050081, China
| | - Xiang Xu
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Zehong Cheng
- State Key Laboratory of Chemo-/Bio-Sensing and Chemometrics, School of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Yajie Chen
- State Key Laboratory of Chemo-/Bio-Sensing and Chemometrics, School of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Xue-Ao Mei
- State Key Laboratory of Chemo-/Bio-Sensing and Chemometrics, School of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Nan Zheng
- Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Chunhui Zhang
- School of Biology, Hunan University, Changsha, Hunan 410082, China
| | - Yugang Bai
- State Key Laboratory of Chemo-/Bio-Sensing and Chemometrics, School of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
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5
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Shi E, Bai L, Mao L, Wang H, Yang X, Wang Y, Zhang M, Li C, Wang Y. Self-assembled nanoparticles containing photosensitizer and polycationic brush for synergistic photothermal and photodynamic therapy against periodontitis. J Nanobiotechnology 2021; 19:413. [PMID: 34895255 PMCID: PMC8665613 DOI: 10.1186/s12951-021-01114-w] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 11/02/2021] [Indexed: 02/08/2023] Open
Abstract
Background Periodontitis is a chronic inflammatory disease in oral cavity owing to bacterial infection. Photothermal therapy (PTT) and photodynamic therapy (PDT) have many advantages for antibacterial treatment. As an excellent photosensitizer, indocyanine green (ICG) shows prominent photothermal and photodynamic performances. However, it is difficult to pass through the negatively charged bacterial cell membrane, thus limiting its antibacterial application for periodontitis treatment. Results In this work, self-assembled nanoparticles containing ICG and polycationic brush were prepared for synergistic PTT and PDT against periodontitis. First, a star-shaped polycationic brush poly(2-(dimethylamino)ethyl methacrylate) (sPDMA) was synthesized via atom transfer radical polymerization (ATRP) of DMA monomer from bromo-substituted β-cyclodextrin initiator (CD-Br). Next, ICG was assembled with sPDMA to prepare ICG-loaded sPDMA (sPDMA@ICG) nanoparticles (NPs) and the physicochemical properties of these NPs were characterized systematically. In vitro antibacterial effects of sPDMA@ICG NPs were investigated in porphyromonas gingivalis (Pg), one of the recognized periodontitis pathogens. A ligature-induced periodontitis model was established in Sprague–Dawley rats for in vivo evaluation of anti-periodontitis effects of sPDMA@ICG NPs. Benefiting from the unique brush-shaped architecture of sPDMA polycation, sPDMA@ICG NPs significantly promoted the adsorption and penetration of ICG into the bacterial cells and showed excellent PTT and PDT performances. Both in vitro and in vivo, sPDMA@ICG NPs exerted antibacterial and anti-periodontitis actions via synergistic PTT and PDT. Conclusions A self-assembled nanosystem containing ICG and polycationic brush has shown promising clinical application for synergistic PTT and PDT against periodontitis. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12951-021-01114-w.
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Affiliation(s)
- Enyu Shi
- School of Dentistry & Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China
| | - Liya Bai
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin, 300070, China
| | - Lujia Mao
- School of Dentistry & Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China
| | - Hanping Wang
- School of Dentistry & Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China
| | - Xiaoying Yang
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin, 300070, China
| | - Yinsong Wang
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin, 300070, China
| | - Mingming Zhang
- Tianjin Key Laboratory of Biomedical Materials, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300192, China.
| | - Changyi Li
- School of Dentistry & Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China.
| | - Yue Wang
- School of Dentistry & Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China.
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6
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Zhang R, Nie T, Fang Y, Huang H, Wu J. Poly(disulfide)s: From Synthesis to Drug Delivery. Biomacromolecules 2021; 23:1-19. [PMID: 34874705 DOI: 10.1021/acs.biomac.1c01210] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Bioresponsive polymers have been widely used in drug delivery because of their degradability. For example, poly(disulfide)s with repeating disulfide bonds in the main chain have attracted considerable research attention. The characteristics of the disulfide bonds, including their dynamic and reversible properties and their responsiveness to stimuli such as reductants, light, heat, and mechanical force, make them ideal platforms for on-demand drug delivery. This review introduces the synthesis methods and applications of poly(disulfide)s. Furthermore, the synthesis methods of poly(disulfide)s are classified on the basis of the monomers used: oxidative step-growth polymerization with dithiols, ring-opening polymerization with cyclic disulfides, and polymerization with linear disulfides. In addition, recent advances in poly(disulfide)s for the delivery of small-molecule or biomacromolecular drugs are discussed. Quantum-dot-loaded poly(disulfide) delivery systems for imaging are also included. This review provides an overview of the various design strategies employed in the construction of poly(disulfide) platforms to inspire new applications in the field of drug delivery.
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Affiliation(s)
- Ruhe Zhang
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Shenzhen 518107, China
| | - Tianqi Nie
- The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China
| | - Yifen Fang
- Department of Cardiology, The Affiliated TCM Hospital of Guangzhou Medical University, Guangzhou 510180, China
| | - Hai Huang
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Jun Wu
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Shenzhen 518107, China
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7
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Zhou Q, Zhang Y, Fang L, Guan H, Wen X, Wu Y, Ba X, Bai L. One-Pot Free Radical Polymerization/Hydroxyl-Isocyanate Reaction: A Facile Strategy to Synthesize Hyperbranched Glycopoly(MaM/IM) with Tunable Structures. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c00222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Qian Zhou
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
| | - Yuangong Zhang
- College of Basic Medicine, Hebei University, Baoding 071002, China
| | - Liping Fang
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
| | - Hao Guan
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
| | - Xin Wen
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
| | - Yonggang Wu
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
| | - Xinwu Ba
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
| | - Libin Bai
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
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8
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Chen G, Wang Y, Ullah A, Huai Y, Xu Y. The effects of fluoroalkyl chain length and density on siRNA delivery of bioreducible poly(amido amine)s. Eur J Pharm Sci 2020; 152:105433. [PMID: 32590121 DOI: 10.1016/j.ejps.2020.105433] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/09/2020] [Accepted: 06/22/2020] [Indexed: 02/05/2023]
Abstract
Fluorination is an attractive strategy for the improvement of transfection efficiency of nucleic acid delivery vectors. Bioreducible poly(amido amine)s (bPAAs) are an important class of biomaterials exhibited to effectively deliver multiple nucleic acids. However, still, the effects of fluoroalkyl chain length and density of bPAA on siRNA delivery are unveiled. Here, we synthesized bPAAs and grafted with different chain lengths and densities of fluorocarbon compounds. Furthermore, we prepared a library of complexes of fluorinated bPAA and siRNA, and investigated the effects of fluorination on the siRNA delivery in vitro and in vivo. We found that all the synthesized bPAAs readily formed complexes with siRNA and the fluorinated complexes considerably achieved improved gene silencing efficacies both in vitro and in vivo. Dramatically, the gene silencing efficacy was increased with increasing fluorine contents. Heptafluorobutyric anhydride (HF) modified bPAAs achieved better gene silencing efficacy when compared with bPAAs fluorinated by trifluoroacetic anhydride (TF) and pentafluoropropionic anhydride (PF) providing the evidence for choosing of best one among fluorocarbon compounds. In addition, a combination of fluorination with bioreducibility enables efficient and safe siRNA delivery.
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Affiliation(s)
- Gang Chen
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou 225009, China.
| | - Yixin Wang
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing 210009, China
| | - Aftab Ullah
- Shantou University Medical College, Shantou 515041, China
| | - Yuying Huai
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
| | - Yuehua Xu
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou 225009, China.
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9
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Blakney AK, Zhu Y, McKay PF, Bouton C, Yeow J, Tang J, Hu K, Samnuan K, Grigsby CL, Shattock RJ, Stevens MM. Big Is Beautiful: Enhanced saRNA Delivery and Immunogenicity by a Higher Molecular Weight, Bioreducible, Cationic Polymer. ACS NANO 2020; 14:5711-5727. [PMID: 32267667 PMCID: PMC7304921 DOI: 10.1021/acsnano.0c00326] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 04/08/2020] [Indexed: 05/18/2023]
Abstract
Self-amplifying RNA (saRNA) vaccines are highly advantageous, as they result in enhanced protein expression compared to mRNA (mRNA), thus minimizing the required dose. However, previous delivery strategies were optimized for siRNA or mRNA and do not necessarily deliver saRNA efficiently due to structural differences of these RNAs, thus motivating the development of saRNA delivery platforms. Here, we engineer a bioreducible, linear, cationic polymer called "pABOL" for saRNA delivery and show that increasing its molecular weight enhances delivery both in vitro and in vivo. We demonstrate that pABOL enhances protein expression and cellular uptake via both intramuscular and intradermal injection compared to commercially available polymers in vivo and that intramuscular injection confers complete protection against influenza challenge. Due to the scalability of polymer synthesis and ease of formulation preparation, we anticipate that this polymer is highly clinically translatable as a delivery vehicle for saRNA for both vaccines and therapeutics.
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Affiliation(s)
- Anna K. Blakney
- Department
of Infectious Diseases, Imperial College
London, Norfolk Place, London, W2 1PG, U.K.
| | - Yunqing Zhu
- Department
of Materials, Department of Bioengineering, Institute of Biomedical
Engineering, Imperial College London, London, SW7 2AZ, U.K.
- School
of Materials Science and Engineering, Tongji
University, Shanghai, 200092, China
| | - Paul F. McKay
- Department
of Infectious Diseases, Imperial College
London, Norfolk Place, London, W2 1PG, U.K.
| | - Clément
R. Bouton
- Department
of Infectious Diseases, Imperial College
London, Norfolk Place, London, W2 1PG, U.K.
| | - Jonathan Yeow
- Department
of Materials, Department of Bioengineering, Institute of Biomedical
Engineering, Imperial College London, London, SW7 2AZ, U.K.
| | - Jiaqing Tang
- Department
of Materials, Department of Bioengineering, Institute of Biomedical
Engineering, Imperial College London, London, SW7 2AZ, U.K.
| | - Kai Hu
- Department
of Infectious Diseases, Imperial College
London, Norfolk Place, London, W2 1PG, U.K.
| | - Karnyart Samnuan
- Department
of Infectious Diseases, Imperial College
London, Norfolk Place, London, W2 1PG, U.K.
| | - Christopher L. Grigsby
- Department
of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 171 65, Sweden
| | - Robin J. Shattock
- Department
of Infectious Diseases, Imperial College
London, Norfolk Place, London, W2 1PG, U.K.
| | - Molly M. Stevens
- Department
of Materials, Department of Bioengineering, Institute of Biomedical
Engineering, Imperial College London, London, SW7 2AZ, U.K.
- Department
of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 171 65, Sweden
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10
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Qi Y, Xu C, Xu F. Degradable branched polycationic systems for nucleic acid delivery. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2020; 12:e1631. [DOI: 10.1002/wnan.1631] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 03/02/2020] [Accepted: 03/03/2020] [Indexed: 01/14/2023]
Affiliation(s)
- Yu Qi
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical Technology Beijing China
- Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Materials Beijing University of Chemical Technology Beijing China
| | - Chen Xu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical Technology Beijing China
- Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Materials Beijing University of Chemical Technology Beijing China
| | - Fu‐Jian Xu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical Technology Beijing China
- Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Materials Beijing University of Chemical Technology Beijing China
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11
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Shi Y, Lei G, Zhou L, Li Y, Zhang X, Yang Y, Peng H, Peng R, Wang H, Cai X, Chen X, Wang M, Wang G. Nanocrystal Encapsulation, Release and Application Based on pH-Sensitive Covalent Dynamic Hyperbranched Polymers. Polymers (Basel) 2019; 11:polym11121926. [PMID: 31766705 PMCID: PMC6960846 DOI: 10.3390/polym11121926] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Revised: 11/15/2019] [Accepted: 11/19/2019] [Indexed: 11/22/2022] Open
Abstract
A new strategy for nanocrystal encapsulation, release and application based on pH-sensitive covalent dynamic hyperbranched polymers is described. The covalent dynamic hyperbranched polymers, with multi-arm hydrophobic chains and a hydrophilic hyperbranched poly(amidoamine) (HPAMAM) core connected with pH-sensitive imine bonds (HPAMAM–DA), could encapsulate CdTe quantum dots (QDs) and Au nanoparticles (NPs). Benefiting from its pH response property, CdTe QDs and Au NPs encapsulated by HPAMAM–DA could be released to aqueous phase after imine hydrolysis. The released CdTe/HPAMAM and Au/HPAMAM nanocomposites exhibited excellent biological imaging behavior and high catalytic activities on p-nitrophenol hydrogenation, respectively.
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Affiliation(s)
- Yunfeng Shi
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
- Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455000, China
- Correspondence: (Y.S.); (G.W.)
| | - Gaiying Lei
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China;
| | - Linzhu Zhou
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China;
| | - Yueyang Li
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Xiaoming Zhang
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Yujiao Yang
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Han Peng
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Rui Peng
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Huichun Wang
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Xiufen Cai
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Xinglong Chen
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Mengyue Wang
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Gang Wang
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, China
- Correspondence: (Y.S.); (G.W.)
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12
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Polyamidoamine-Drug Conjugates Containing Metal-Based Anticancer Compounds. J Inorg Organomet Polym Mater 2019. [DOI: 10.1007/s10904-019-01325-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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13
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Star-shaped poly(2-aminoethyl methacrylate)s as non-viral gene carriers: Exploring structure-function relationship. Colloids Surf B Biointerfaces 2019; 181:721-727. [PMID: 31228855 DOI: 10.1016/j.colsurfb.2019.06.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 06/02/2019] [Accepted: 06/13/2019] [Indexed: 11/22/2022]
Abstract
Gene therapy shows much promise in treating many inheritable and acquired diseases, but challenges remain in the design of gene vectors with low cytotoxicity and high transfection efficiency. Elucidating the structure-function relationship of non-viral polymer-based gene carriers is crucial for improving the design and performance of safe and effective gene therapy approaches. The cationic poly(2-aminoethyl methacrylate) (PAEM) containing primary amino side groups is an attractive carrier for gene delivery. This study focuses on four PAEM-based polycations with well-defined molecular weight and chain architecture. The polymers include three cyclodextrin (CD)-cored star-shaped PAEM polycations (s-PAEM), synthesized by atom transfer radical polymerization (ATRP), and a linear PAEM polycation (l-PAEM), synthesized via activators regenerated by electron transfer (ARGET) ATRP. All four polycations could condense plasmid DNA (pDNA) into spherical polyplexes with small sizes (<200 nm). The polyplexes showed excellent stability during storage and were able to resist electrostatic destabilization. The cytotoxicity of these polycations was depended on dose and target cell type and was influenced by molecular weight and chain architecture, yet the polyplexes showed little cytotoxicity regardless of the type of polymer used. The transfection efficiency of PAEM polycations was highly dependent upon molecular weight, molecular architecture (star versus linear) and target cell type. In most cases, polyplexes formed by high-molecular-weight s-PAEM performed the best. Moreover, at a specific N/P ratio, the transfection efficiency mediated by s-PAEM was higher in MCF-7 breast cancer cells than in COS-7 fibroblast-like cells, but such cell-type dependence was not obvious for l-PAEM. These findings indicate that the star-shaped PAEM polycations could be promising gene carriers for gene therapy applications.
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14
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Li S, Hu L, Wang J, Yan G, Wang X, Li D, Zeng X, Tang R. Acid-labile hyperbranched poly(ortho ester amido amine) as efficient gene carriers: Preparation, characterization, and in vitro evaluation. J Biomater Appl 2019; 34:104-116. [PMID: 31023127 DOI: 10.1177/0885328219845083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Shuting Li
- Engineering Research Center for Biomedical Materials, School of Life Sciences, Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, China
| | - Liefeng Hu
- Engineering Research Center for Biomedical Materials, School of Life Sciences, Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, China
| | - Jun Wang
- Engineering Research Center for Biomedical Materials, School of Life Sciences, Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, China
| | - Guo Yan
- Engineering Research Center for Biomedical Materials, School of Life Sciences, Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, China
| | - Xin Wang
- Engineering Research Center for Biomedical Materials, School of Life Sciences, Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, China
| | - Dapeng Li
- Engineering Research Center for Biomedical Materials, School of Life Sciences, Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, China
| | - Xiaoli Zeng
- Engineering Research Center for Biomedical Materials, School of Life Sciences, Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, China
| | - Rupei Tang
- Engineering Research Center for Biomedical Materials, School of Life Sciences, Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, China
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15
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Xie L, Ding X, Budry R, Mao G. Layer-by-layer DNA films incorporating highly transfecting bioreducible poly(amido amine) and polyethylenimine for sequential gene delivery. Int J Nanomedicine 2018; 13:4943-4960. [PMID: 30214199 PMCID: PMC6124456 DOI: 10.2147/ijn.s162353] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Background The layer-by-layer (LbL) assembly method offers a molecular level control of the amount and spatial distribution of bioactive molecules. However, successful clinical translation of LbL film technology will most certainly require a better understanding and control of not only the film assembly process, but also film disassembly kinetics in physiologic conditions. Purpose This work focuses on the understanding and control of degradation properties of LbL films for localized gene delivery. Methods Bioreducible poly(amido amine)s (PAAs) containing cystaminebisacrylamide (CBA), methylenebisacrylamide, and 5-amino-1-pentanol (APOL) were synthesized by Michael addition polymerization for the construction of bioreducible LbL films capable of sequential gene delivery. Results The synthesized PAAs were screened for desirable buffering capacity, cell transfection, and cytotoxicity characteristics together with 25 kDa branched polyethylenimine (PEI) and cross-linked 800 Da PEI. By screening the various polycations we were able to identify a copolymer of CBA and APOL for the subsequent construction of the LbL films. By incorporating a highly transfecting polycation and a nondiffusing polycation we were able to improve the overall transfection of HEK293 and MC3T3 cells from the bioreducible LbL films. We also demonstrated the dual-stage release and transfection of two different DNAs from the LbL films. Conclusion The results indicate that LbL films consisting of bioreducible PAAs and non-diffusing polyelectrolytes have excellent degradation properties for the development of LbL coating technology for localized gene delivery applications.
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Affiliation(s)
- Lingxiao Xie
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, MI, USA,
| | - Xiong Ding
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, MI, USA,
| | - Rachel Budry
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, MI, USA,
| | - Guangzhao Mao
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, MI, USA,
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16
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Almulathanon AAY, Ranucci E, Ferruti P, Garnett MC, Bosquillon C. Comparison of Gene Transfection and Cytotoxicity Mechanisms of Linear Poly(amidoamine) and Branched Poly(ethyleneimine) Polyplexes. Pharm Res 2018. [PMID: 29516282 DOI: 10.1007/s11095-017-2328-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
PURPOSE This study aimed to further explore the mechanisms behind the ability of certain linear polyamidoamines (PAAs) to transfect cells with minimal cytotoxicity. METHODS The transfection efficiency of DNA complexed with a PAA of a molecular weight over 10 kDa or 25 kDa branched polyethyleneimine (BPEI) was compared in A549 cells using a luciferase reporter gene assay. The impact of endo/lysosomal escape on transgene expression was investigated by transfecting cells in presence of bafilomycin A1 or chloroquine. Cytotoxicity caused by the vectors was evaluated by measuring cell metabolic activity, lactate dehydrogenase release, formation of reactive oxygen species and changes in mitochondrial membrane potential. RESULTS The luciferase activity was ~3-fold lower after transfection with PAA polyplexes than with BPEI complexes at the optimal polymer to nucleotide ratio (RU:Nt). However, in contrast to BPEI vectors, PAA polyplexes caused negligible cytotoxic effects. The transfection efficiency of PAA polyplexes was significantly reduced in presence of bafilomycin A1 while chloroquine enhanced or decreased transgene expression depending on the RU:Nt. CONCLUSIONS PAA polyplexes displayed a pH-dependent endo/lysosomal escape which was not associated with cytotoxic events, unlike observed with BPEI polyplexes. This is likely due to their greater interactions with biological membranes at acidic than neutral pH.
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Affiliation(s)
- Ammar A Y Almulathanon
- Division of Molecular Therapeutics and Formulation, School of Pharmacy, University of Nottingham, University Park, Nottingham, NG7 2RD, UK.,Pharmacy College,, University of Mosul,, Mosul, Iraq
| | - Elisabetta Ranucci
- Dipartimento di Chimica,, Università degli Studi di Milano, via C. Golgi 19, 20133, Milan, Italy
| | - Paolo Ferruti
- Dipartimento di Chimica,, Università degli Studi di Milano, via C. Golgi 19, 20133, Milan, Italy
| | - Martin C Garnett
- Division of Molecular Therapeutics and Formulation, School of Pharmacy, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
| | - Cynthia Bosquillon
- Division of Molecular Therapeutics and Formulation, School of Pharmacy, University of Nottingham, University Park, Nottingham, NG7 2RD, UK.
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17
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Chen G, Wang K, Wang Y, Wu P, Sun M, Oupický D. Fluorination Enhances Serum Stability of Bioreducible Poly(amido amine) Polyplexes and Enables Efficient Intravenous siRNA Delivery. Adv Healthc Mater 2018; 7. [PMID: 29280311 DOI: 10.1002/adhm.201700978] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Revised: 11/04/2017] [Indexed: 01/09/2023]
Abstract
The use of small interfering RNA (siRNA) in cancer treatment has been limited by the lack of effective systemic delivery methods. Although synthetic polycations have been widely explored in siRNA delivery, polycation/siRNA polyplexes often suffer from insufficient stability in vivo. Here, rationally designed siRNA delivery systems that meet the requirements for systemic siRNA delivery to distant tumors are reported. The hypothesis that modular design of delivery systems based on poly(amido amine)s that combine fluorination for systemic stability with bioreducibility for easy intracellular siRNA release, and PEGylation for improved safety and colloidal stability will overcome problems with contradicting siRNA delivery demands is tested. PEGylated, fluorinated, and bioreducible copolymers (PEG-PCD-F) with different degree of fluorination are thus synthesized. The fluorinated copolymers readily formed polyplexes with siRNA and achieved greatly improved gene silencing efficacy in multiple cell lines in vitro when compared with nonfluorinated controls. The results show fluorination-induced enhancement of stability, cellular uptake, and endosomal escape of the polyplexes, while exhibiting efficient siRNA release in reducing intracellular environment. PEG-PCD-F polyplexes with siRNA against Bcl2 inhibit breast tumor growth following systemic intravenous administration. The results provide strong evidence of successful combination of bioreducibility with fluorination and PEGylation to achieve systemic siRNA polyplex delivery.
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Affiliation(s)
- Gang Chen
- State Key Laboratory of Natural Medicines; Department of Pharmaceutics; China Pharmaceutical University; Nanjing 210009 China
| | - Kaikai Wang
- State Key Laboratory of Natural Medicines; Department of Pharmaceutics; China Pharmaceutical University; Nanjing 210009 China
| | - Yixin Wang
- State Key Laboratory of Natural Medicines; Department of Pharmaceutics; China Pharmaceutical University; Nanjing 210009 China
| | - Pengkai Wu
- State Key Laboratory of Natural Medicines; Department of Pharmaceutics; China Pharmaceutical University; Nanjing 210009 China
| | - Minjie Sun
- State Key Laboratory of Natural Medicines; Department of Pharmaceutics; China Pharmaceutical University; Nanjing 210009 China
| | - David Oupický
- State Key Laboratory of Natural Medicines; Department of Pharmaceutics; China Pharmaceutical University; Nanjing 210009 China
- Center for Drug Delivery and Nanomedicine; Department of Pharmaceutical Sciences; University of Nebraska Medical Center; Omaha NE 68198 USA
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18
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Guo Z, Li S, Liu Z, Xue W. Tumor-Penetrating Peptide-Functionalized Redox-Responsive Hyperbranched Poly(amido amine) Delivering siRNA for Lung Cancer Therapy. ACS Biomater Sci Eng 2018; 4:988-996. [DOI: 10.1021/acsbiomaterials.7b00971] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Zhong Guo
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Sha Li
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Zonghua Liu
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Wei Xue
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
- Institute of Life and Health Engineering, Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Jinan University, Guangzhou 510632, China
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19
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Lovato T, Taresco V, Alazzo A, Sansone C, Stolnik S, Alexander C, Conte C. Rapid formulation of redox-responsive oligo-β-aminoester polyplexes with siRNAviajet printing. J Mater Chem B 2018; 6:6550-6558. [DOI: 10.1039/c8tb01215f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Novel reduction responsive oligo-β-aminoesters were successfully synthesized and condensed with siRNA through an inkjet method, thus showing promising biological response.
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Affiliation(s)
- Tatiana Lovato
- Division of Molecular Therapeutics and Formulation
- School of Pharmacy
- University of Nottingham
- UK
| | - Vincenzo Taresco
- Division of Molecular Therapeutics and Formulation
- School of Pharmacy
- University of Nottingham
- UK
| | - Ali Alazzo
- Division of Molecular Therapeutics and Formulation
- School of Pharmacy
- University of Nottingham
- UK
| | - Caterina Sansone
- Drug Delivery Laboratory
- Department of Pharmacy
- University of Napoli Federico II
- 80131 Napoli
- Italy
| | - Snjezana Stolnik
- Division of Molecular Therapeutics and Formulation
- School of Pharmacy
- University of Nottingham
- UK
| | - Cameron Alexander
- Division of Molecular Therapeutics and Formulation
- School of Pharmacy
- University of Nottingham
- UK
| | - Claudia Conte
- Division of Molecular Therapeutics and Formulation
- School of Pharmacy
- University of Nottingham
- UK
- Drug Delivery Laboratory
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20
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Zhang Y, Jiang Q, Bi B, Xu L, Liu J, Zhuo R, Jiang X. A bioreducible supramolecular nanoparticle gene delivery system based on cyclodextrin-conjugated polyaspartamide and adamantyl-terminated polyethylenimine. J Mater Chem B 2018; 6:797-808. [DOI: 10.1039/c7tb02170d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Reduction degradable Pasp-SS-CD/Ad4-PEI/pDNA supramolecular nanoparticles via host–guest interaction exhibited improved cellular internalization and higher gene transfection efficiency with lower cytotoxicity.
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Affiliation(s)
- Yunti Zhang
- Key Laboratory of Biomedical Polymers of the Ministry of Education & Department of Chemistry
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Qimin Jiang
- Key Laboratory of Biomedical Polymers of the Ministry of Education & Department of Chemistry
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Bo Bi
- Key Laboratory of Biomedical Polymers of the Ministry of Education & Department of Chemistry
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Luming Xu
- Research Center for Tissue Engineering and Regenerative Medicine
- Union Hospital
- Tongji Medical College
- Huazhong University of Science and Technology
- Wuhan 430022
| | - Jia Liu
- Research Center for Tissue Engineering and Regenerative Medicine
- Union Hospital
- Tongji Medical College
- Huazhong University of Science and Technology
- Wuhan 430022
| | - Renxi Zhuo
- Key Laboratory of Biomedical Polymers of the Ministry of Education & Department of Chemistry
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Xulin Jiang
- Key Laboratory of Biomedical Polymers of the Ministry of Education & Department of Chemistry
- Wuhan University
- Wuhan 430072
- P. R. China
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21
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Song HQ, Qi Y, Li RQ, Cheng G, Zhao N, Xu FJ. High-performance cationic polyrotaxanes terminated with polypeptides as promising nucleic acid delivery systems. Polym Chem 2018. [DOI: 10.1039/c8py00333e] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A novel cationic polyrotaxane consisting of hydroxyl-rich polycationic units and degradable end-capping polypeptides was prepared for promising nucleic acid delivery.
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Affiliation(s)
- Hai-Qing Song
- State Key Laboratory of Chemical Resource Engineering
- Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology)
- Ministry of Education
- Beijing Laboratory of Biomedical Materials
- and Beijing Advanced Innovation Center for Soft Matter Science and Engineering
| | - Yu Qi
- State Key Laboratory of Chemical Resource Engineering
- Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology)
- Ministry of Education
- Beijing Laboratory of Biomedical Materials
- and Beijing Advanced Innovation Center for Soft Matter Science and Engineering
| | - Rui-Quan Li
- State Key Laboratory of Chemical Resource Engineering
- Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology)
- Ministry of Education
- Beijing Laboratory of Biomedical Materials
- and Beijing Advanced Innovation Center for Soft Matter Science and Engineering
| | - Gang Cheng
- Department of Chemical Engineering
- University of Illinois at Chicago
- Chicago
- USA
| | - Nana Zhao
- State Key Laboratory of Chemical Resource Engineering
- Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology)
- Ministry of Education
- Beijing Laboratory of Biomedical Materials
- and Beijing Advanced Innovation Center for Soft Matter Science and Engineering
| | - Fu-Jian Xu
- State Key Laboratory of Chemical Resource Engineering
- Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology)
- Ministry of Education
- Beijing Laboratory of Biomedical Materials
- and Beijing Advanced Innovation Center for Soft Matter Science and Engineering
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22
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Shi Y, Liu L, Zhang F, Niu M, Zhao Y, Fan Y, Liang Y, Liu M, Zhang Z, Wang J. Catalyst System for Hydrogenation Catalysis Based on Multiarm Hyperbranched Polymer Templated Metal (Au, Pt, Pd, Cu) Nanoparticles. Polymers (Basel) 2017; 9:E459. [PMID: 30965762 PMCID: PMC6418630 DOI: 10.3390/polym9090459] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 09/14/2017] [Accepted: 09/15/2017] [Indexed: 01/20/2023] Open
Abstract
With a hyperbranched poly(amidoamine) core and many water-soluble poly(ethylene glycol) monomethyl ether arms connected by pH-sensitive acylhydrazone bonds, multiarm hyperbranched polymer was used as nanoreactor and reductant to prepare metal nanoparticles endowed with intelligence and biocompatibility. The multiarm hyperbranched polymer encapsulated nanoparticles (NPs) showed excellent catalytic activity for hydrogenation, thus an excellent catalyst system for hydrogenation was established. The rate constants could reach as high as 3.48 L·s-1·m-2, which can be attributed to the lack of surface passivation afforded by the multiarm hyperbranched polymer.
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Affiliation(s)
- Yunfeng Shi
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
- Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455000, China.
| | - Lixin Liu
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
- Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455000, China.
| | - Fengyue Zhang
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
| | - Mengyuan Niu
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
| | - Yanzhu Zhao
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
| | - Yifan Fan
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
| | - Yanping Liang
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
| | - Mei Liu
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
| | - Zhenzhu Zhang
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
| | - Junjie Wang
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
- Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455000, China.
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23
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Yang Z, Sun Y, Xian L, Xun Z, Yu J, Yang T, Zhao X, Cai C, Wang D, Ding P. Disulfide‐bond‐containing agamatine‐cystaminebisacrylamide polymer demonstrates better transfection efficiency and lower cytotoxicity than polyethylenimine in NIH/3T3 cells. J Cell Biochem 2017; 119:1767-1779. [DOI: 10.1002/jcb.26338] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 08/08/2017] [Indexed: 01/01/2023]
Affiliation(s)
- Zhen Yang
- School of PharmacyShenyang Pharmaceutical UniversityShenyangChina
| | - Yanping Sun
- School of PharmacyShenyang Pharmaceutical UniversityShenyangChina
| | - Lei Xian
- School of PharmacyShenyang Pharmaceutical UniversityShenyangChina
| | - Zhe Xun
- Institute of Metabolic Disease Research and Drug DevelopmentChina Medical UniversityShenyangChina
| | - Jiankun Yu
- Department of Ion Channel PharmacologySchool of PharmacyChina Medical UniversityShenyangChina
| | - Tianzhi Yang
- Department of Basic Pharmaceutical SciencesSchool of PharmacyHusson UniversityBangorMaine
| | - Xiaoyun Zhao
- Department of Microbiology and Cell BiologySchool of Life Science and BiopharmaceuticsShenyang Pharmaceutical UniversityShenyangChina
| | - Cuifang Cai
- School of PharmacyShenyang Pharmaceutical UniversityShenyangChina
| | - Dongkai Wang
- School of PharmacyShenyang Pharmaceutical UniversityShenyangChina
| | - Pingtian Ding
- School of PharmacyShenyang Pharmaceutical UniversityShenyangChina
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24
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Yu J, Zhang J, Xing H, Sun Y, Yang Z, Yang T, Cai C, Zhao X, Yang L, Ding P. Novel guanidinylated bioresponsive poly(amidoamine)s designed for short hairpin RNA delivery. Int J Nanomedicine 2016; 11:6651-6666. [PMID: 27994462 PMCID: PMC5154728 DOI: 10.2147/ijn.s115773] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Two different disulfide (SS)-containing poly(amidoamine) (PAA) polymers were constructed using guanidino (Gua)-containing monomers (ie, arginine [Arg] and agmatine [Agm]) and N,N′-cystamine bisacrylamide (CBA) by Michael-addition polymerization. In order to characterize these two Gua-SS-PAA polymers and investigate their potentials as short hairpin RNA (shRNA)-delivery carriers, pSilencer 4.1-CMV FANCF shRNA was chosen as a model plasmid DNA to form complexes with these two polymers. The Gua-SS-PAAs and plasmid DNA complexes were determined with particle sizes less than 90 nm and positive ζ-potentials under 20 mV at nucleic acid:polymer weight ratios lower than 1:24. Bioresponsive release of plasmid DNA was observed from both newly constructed complexes. Significantly lower cytotoxicity was observed for both polymer complexes compared with polyethylenimine and Lipofectamine 2000, two widely used transfection reagents as reference carriers. Arg-CBA showed higher transfection efficiency and gene-silencing efficiency in MCF7 cells than Agm-CBA and the reference carriers. In addition, the cellular uptake of Arg-CBA in MCF7 cells was found to be higher and faster than Agm-CBA and the reference carriers. Similarly, plasmid DNA transport into the nucleus mediated by Arg-CBA was more than that by Agm-CBA and the reference carriers. The study suggested that guanidine and carboxyl introduced into Gua-SS-PAAs polymers resulted in a better nuclear localization effect, which played a key role in the observed enhancement of transfection efficiency and low cytotoxicity. Overall, two newly synthesized Gua-SS-PAAs polymers demonstrated great potential to be used as shRNA carriers for gene-therapy applications.
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Affiliation(s)
- Jiankun Yu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Jinmin Zhang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Haonan Xing
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Yanping Sun
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Zhen Yang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Tianzhi Yang
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, Husson University, Bangor, ME, USA
| | - Cuifang Cai
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Xiaoyun Zhao
- Department of Microbiology and Cell Biology, School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Li Yang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Pingtian Ding
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
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Disulfide-functional poly(amido amine)s with tunable degradability for gene delivery. J Control Release 2016; 244:357-365. [DOI: 10.1016/j.jconrel.2016.08.021] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 08/08/2016] [Accepted: 08/21/2016] [Indexed: 01/08/2023]
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Effect of sustained PDGF nonviral gene delivery on repair of tooth-supporting bone defects. Gene Ther 2016; 24:31-39. [PMID: 27824330 PMCID: PMC5269540 DOI: 10.1038/gt.2016.73] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2016] [Revised: 10/13/2016] [Accepted: 10/21/2016] [Indexed: 12/20/2022]
Abstract
Recombinant human platelet-derived growth factor-BB (rhPDGF-BB) promotes soft tissue and bone healing, and is Food and Drug Administration-approved for treatment of diabetic ulcers and periodontal defects. The short half-life of topical rhPDGF-BB protein application necessitates bolus, high-dose delivery. Gene therapy enables sustained local growth factor production. A novel gene activated matrix delivering polyplexes of polyethylenimine (PEI)-plasmid DNA encoding PDGF was evaluated for promotion of periodontal wound repair in vivo. PEI-pPDGF-B polyplexes were tested in human periodontal ligament fibroblasts and human gingival fibroblasts for cell viability and transfection efficiency. Collagen scaffolds containing PEI-pPDGF-B polyplexes at two doses, rhPDGF-BB, PEI vector or collagen alone were randomly delivered to experimentally induced tooth-supporting periodontal defects in a rodent model. Mandibulae were collected at 21 days for histologic observation and histomorphometry. PEI-pPDGF-B polyplexes were biocompatible to cells tested and enzyme-linked immunosorbent assay confirmed the functionality of transfection. Significantly greater osteogenesis was observed for collagen alone and rhPDGF-BB versus the PEI-containing groups. Defects treated with sustained PDGF gene delivery demonstrated delayed healing coupled with sustained inflammatory cell infiltrates lateral to the osseous defects. Continuous PDGF-BB production by nonviral gene therapy could have delayed bone healing. This nonviral gene delivery system in this model appeared to prolong inflammatory response, slowing alveolar bone regeneration in vivo.
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Sun Y, Xian L, Yu J, Yang T, Zhang J, Yang Z, Jiang J, Cai C, Zhao X, Yang L, Ding P. Structure-Function Correlations of Poly(Amido Amine)s for Gene Delivery. Macromol Biosci 2016; 17. [DOI: 10.1002/mabi.201600297] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 08/27/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Yanping Sun
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Lei Xian
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Jiankun Yu
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Tianzhi Yang
- Department of Basic Pharmaceutical Sciences; School of Pharmacy; Husson University; Bangor ME 04401-2929 USA
| | - Jinmin Zhang
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Zhen Yang
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Jingzheng Jiang
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Cuifang Cai
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Xiaoyun Zhao
- Department of Microbiology and Cell Biology; School of life Science and Biopharmaceutics; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Li Yang
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
| | - Pingtian Ding
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang 110016 China
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Urbán P, Ranucci E, Fernàndez-Busquets X. Polyamidoamine nanoparticles as nanocarriers for the drug delivery to malaria parasite stages in the mosquito vector. Nanomedicine (Lond) 2016; 10:3401-14. [PMID: 26582279 DOI: 10.2217/nnm.15.174] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Malaria is arguably one of the main medical concerns worldwide because of the numbers of people affected, the severity of the disease and the complexity of the life cycle of its causative agent, the protist Plasmodium spp. With the advent of nanoscience, renewed hopes have appeared of finally obtaining the long sought-after magic bullet against malaria in the form of a nanovector for the targeted delivery of antimalarial compounds exclusively to Plasmodium-infected cells, thus increasing drug efficacy and minimizing the induction of resistance to newly developed therapeutic agents. Polyamidoamine-derived nanovectors combine into a single chemical structure drug encapsulating capacity, antimalarial activity, low unspecific toxicity, specific targeting to Plasmodium, optimal in vivo activity and affordable synthesis cost. After having shown their efficacy in targeting drugs to intraerythrocytic parasites, now polyamidoamines face the challenge of spearheading a new generation of nanocarriers aiming at the malaria parasite stages in the mosquito vector.
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Affiliation(s)
- Patricia Urbán
- European Commission, Joint Research Centre, Institute for Health & Consumer Protection, via E. Fermi 2749, IT-21027, Ispra, Varese, Italy
| | - Elisabetta Ranucci
- Dipartimento di Chimica, Università degli Studi di Milano, via Golgi 19, IT-20133 Milano, Italy
| | - Xavier Fernàndez-Busquets
- Nanomalaria Group, Institute for Bioengineering of Catalonia (IBEC), Baldiri Reixac 10-12, ES-08028 Barcelona, Spain.,Barcelona Institute for Global Health (ISGlobal), Barcelona Center for International Health Research (CRESIB, Hospital Clínic-Universitat de Barcelona), Rosselló 149-153, ES-08036 Barcelona, Spain.,Nanoscience & Nanotechnology Institute (IN2UB), University of Barcelona, Martí i Franquès 1, ES-08028 Barcelona, Spain
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Yu J, Zhang J, Xing H, Yang Z, Cai C, Zhang C, Zhao X, Wei M, Yang L, Ding P. Guanidinylated bioresponsive poly(amido amine)s designed for intranuclear gene delivery. Int J Nanomedicine 2016; 11:4011-24. [PMID: 27574429 PMCID: PMC4993266 DOI: 10.2147/ijn.s109406] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Guanidinylated poly(amido amine)s with multiple disulfide linkages (Gua-SS-PAAs) were designed and constructed as nonviral gene carriers. The main chains of these novel carriers were synthesized based on monomers containing guanidino groups (guanidine hydrochloride and chlorhexidine), which could avoid complicated side-chain-modification reactions while introducing the guanidino groups. The synthesized Gua-SS-PAAs polymers were characterized by 1H nuclear magnetic resonance, molecular weight, and polydispersity. Furthermore, Gua-SS-PAAs polymers were complexed with pDNA, and the properties of the complexes were determined, including entrapment efficiency, particle size, ζ-potential, atomic force microscopy images, stability, DNA complexation ability, reduction sensitivity, cytotoxicity, and transfection efficiency. The new Gua-SS-PAAs carriers exhibited higher transfection efficiency and lower cytotoxicity compared with two widely used gene delivery carriers, polyethylenimine and lipofectamine 2000. Furthermore, the relationship between the side-chain structure and morphological/biological properties was extrapolated, and the results showed that guanidine in the side chain aids in the improvement of transfection efficiency. In addition, the introduction of guanidino group might confer the new carriers with nuclear localization function compared to carriers without it.
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Affiliation(s)
- Jiankun Yu
- School of Pharmacy, Shenyang Pharmaceutical University
| | - Jinmin Zhang
- School of Pharmacy, Shenyang Pharmaceutical University
| | - Haonan Xing
- School of Pharmacy, Shenyang Pharmaceutical University
| | - Zhen Yang
- School of Pharmacy, Shenyang Pharmaceutical University
| | - Cuifang Cai
- School of Pharmacy, Shenyang Pharmaceutical University
| | - Conglu Zhang
- School of Pharmacy, Shenyang Pharmaceutical University
| | - Xiaoyun Zhao
- School of Pharmacy, Shenyang Pharmaceutical University
| | - Minjie Wei
- School of Pharmacy, China Medical University, Shenyang, People's Republic of China
| | - Li Yang
- School of Pharmacy, Shenyang Pharmaceutical University
| | - Pingtian Ding
- School of Pharmacy, Shenyang Pharmaceutical University
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Bockuviene A, Slavuckyte K, Vareikis A, Zigmantas S, Zaliauskiene L, Makuska R. Intracellular Delivery and Triggered Release of DNA Using Biodegradable Poly(2-hydroxypropylene imine)s Containing Cystamine Units. Macromol Biosci 2016; 16:1497-1505. [PMID: 27412922 DOI: 10.1002/mabi.201600155] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 06/17/2016] [Indexed: 11/10/2022]
Abstract
Poly(2-hydroxypropylene imine)s containing segments of cystamine (PHPI-CA) are synthesized by polycondensation of 1,3-dibromo-2-propanol with a mixture of 1,3-diamino-2-propanol and cystamine. High molecular weight fractions of these polymers are collected by ultrafiltration and characterized by chemical analysis, 1 H and 13 C-NMR spectroscopy, size-exclusion chromatography with triple detection, and potentiometric titration, and are tested for DNA delivery in vitro. It is shown that PHPI-CA are highly branched polymers containing disulfide linkages. Transfection efficiency of PHPI-CA for DNA gives similar results to that of PHPI with GFP+ cell percent reaching 80-90%. Cytotoxicity levels for PHPI-CA are lower than that of PHPI. Novel polymers containing different amounts of disulfide linkages are able to disintegrate and release DNA following the treatment with reducing agent 1,4-dithiothreitol. Downstream application of PHPI-CA transfected cells for RNA purification shows that RNA yield is not affected even after the double transfection suggesting that these polymers could be great candidates for in vitro and in vivo transfection.
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Affiliation(s)
- Alma Bockuviene
- Department of Polymer Chemistry, Vilnius University, Naugarduko 24, LT-03225, Vilnius, Lithuania.
| | | | - Ausvydas Vareikis
- Department of Polymer Chemistry, Vilnius University, Naugarduko 24, LT-03225, Vilnius, Lithuania
| | - Sarunas Zigmantas
- Thermo Fisher Scientific Baltics, Graiciuno 8, LT-02241, Vilnius, Lithuania
| | | | - Ricardas Makuska
- Department of Polymer Chemistry, Vilnius University, Naugarduko 24, LT-03225, Vilnius, Lithuania.
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31
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Teo PY, Cheng W, Hedrick JL, Yang YY. Co-delivery of drugs and plasmid DNA for cancer therapy. Adv Drug Deliv Rev 2016; 98:41-63. [PMID: 26529199 DOI: 10.1016/j.addr.2015.10.014] [Citation(s) in RCA: 157] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Revised: 10/21/2015] [Accepted: 10/23/2015] [Indexed: 12/12/2022]
Abstract
Cancer is an extremely complex disease involving multiple signaling pathways that enable tumor cells to evade programmed cell death, thus making cancer treatment extremely challenging. The use of combination therapy involving both gene therapy and chemotherapy has resulted in enhanced anti-cancer effects and has become an increasingly important strategy in medicine. This review will cover important design parameters that are incorporated into delivery systems for the co-administration of drug and plasmid-based nucleic acids (pDNA and shRNA), with particular emphasis on polymers as delivery materials. The unique challenges faced by co-delivery systems and the strategies to overcome such barriers will be discussed. In addition, the advantages and disadvantages of combination therapy using separate carrier systems versus the use of a single carrier will be evaluated. Finally, future perspectives in the design of novel platforms for the combined delivery of drugs and genes will be presented.
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Kamaly N, Yameen B, Wu J, Farokhzad OC. Degradable Controlled-Release Polymers and Polymeric Nanoparticles: Mechanisms of Controlling Drug Release. Chem Rev 2016; 116:2602-63. [PMID: 26854975 PMCID: PMC5509216 DOI: 10.1021/acs.chemrev.5b00346] [Citation(s) in RCA: 1555] [Impact Index Per Article: 194.4] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Nazila Kamaly
- Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Basit Yameen
- Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Jun Wu
- Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Omid C. Farokhzad
- Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
- King Abdulaziz University, Jeddah 21589, Saudi Arabia
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Ekkelenkamp AE, Jansman MM, Roelofs K, Engbersen JF, Paulusse JM. Surfactant-free preparation of highly stable zwitterionic poly(amido amine) nanogels with minimal cytotoxicity. Acta Biomater 2016; 30:126-134. [PMID: 26518103 DOI: 10.1016/j.actbio.2015.10.037] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 10/19/2015] [Accepted: 10/23/2015] [Indexed: 01/14/2023]
Abstract
Narrowly dispersed zwitterionic poly(amido amine) (PAA) nanogels with a diameter of approximately 100nm were prepared by a high-yielding and surfactant-free, inverse nanoprecipitation of PAA polymers. The resulting, negatively charged, nanogels (PAA-NG1) were functionalized with N,N-dimethylethylenediamine via EDC/NHS coupling chemistry. This resulted in nanogels with a positive surface charge (PAA-NG2). Both types of nanogels were fluorescently labelled via isothiocyanate coupling. PAA-NG1 displays high colloidal stability both in PBS and Fetal Bovine Serum solution. Moreover, both nanogels exhibit a distinct zwitterionic swelling profile in response to pH changes. Cellular uptake of FITC-labelled nanogels with RAW 264.7, PC-3 and COS-7 cells was evaluated by fluorescence microscopy. These studies showed that nanogel surface charge greatly influences nanogel-cell interactions. The PAA polymer and PAA-NG1 showed minimal cell toxicity as was evaluated by MTT assays. The findings reported here demonstrate that PAA nanogels possess interesting properties for future studies in both drug delivery and imaging. STATEMENT OF SIGNIFICANCE The use of polymeric nanoparticles in biomedical applications such as drug delivery and imaging, shows great potential for medical applications. However, these nanoparticles are often not stable in biological environments. Zwitterionic polymers have shown excellent biocompatibility, but these materials are not easily degradable in biological environments. With the aim of developing a nanoparticle for drug delivery and imaging we synthesized a biomimetic and readily biodegradable zwitterionic polymer, which was incorporated into nanogels. These nanogels showed excellent stability in the presence of serum and minimal cytotoxicity, which was tested in three cell lines. Because of their negative surface charge and excellent serum stability, these nanogels are therefore promising carriers for drug delivery and molecular imaging.
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Chen Z, Penet MF, Krishnamachary B, Banerjee SR, Pomper MG, Bhujwalla ZM. PSMA-specific theranostic nanoplex for combination of TRAIL gene and 5-FC prodrug therapy of prostate cancer. Biomaterials 2015; 80:57-67. [PMID: 26706476 DOI: 10.1016/j.biomaterials.2015.11.048] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Revised: 11/13/2015] [Accepted: 11/29/2015] [Indexed: 12/21/2022]
Abstract
Metastatic prostate cancer causes significant morbidity and mortality and there is a critical unmet need for effective treatments. We have developed a theranostic nanoplex platform for combined imaging and therapy of prostate cancer. Our prostate-specific membrane antigen (PSMA) targeted nanoplex is designed to deliver plasmid DNA encoding tumor necrosis factor related apoptosis-inducing ligand (TRAIL), together with bacterial cytosine deaminase (bCD) as a prodrug enzyme. Nanoplex specificity was tested using two variants of human PC3 prostate cancer cells in culture and in tumor xenografts, one with high PSMA expression and the other with negligible expression levels. The expression of EGFP-TRAIL was demonstrated by fluorescence optical imaging and real-time PCR. Noninvasive (19)F MR spectroscopy detected the conversion of the nontoxic prodrug 5-fluorocytosine (5-FC) to cytotoxic 5-fluorouracil (5-FU) by bCD. The combination strategy of TRAIL gene and 5-FC/bCD therapy showed significant inhibition of the growth of prostate cancer cells and tumors. These data demonstrate that the PSMA-specific theranostic nanoplex can deliver gene therapy and prodrug enzyme therapy concurrently for precision medicine in metastatic prostate cancer.
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Affiliation(s)
- Zhihang Chen
- JHU ICMIC Program, Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, Baltimore, MD, 21205, USA
| | - Marie-France Penet
- JHU ICMIC Program, Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, Baltimore, MD, 21205, USA; Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA
| | - Balaji Krishnamachary
- JHU ICMIC Program, Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, Baltimore, MD, 21205, USA
| | - Sangeeta R Banerjee
- JHU ICMIC Program, Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, Baltimore, MD, 21205, USA; Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA
| | - Martin G Pomper
- JHU ICMIC Program, Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, Baltimore, MD, 21205, USA; Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA
| | - Zaver M Bhujwalla
- JHU ICMIC Program, Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, Baltimore, MD, 21205, USA; Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA.
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Yameen B, Vilos C, Choi WI, Whyte A, Huang J, Pollit L, Farokhzad OC. Drug Delivery Nanocarriers from a Fully Degradable PEG‐Conjugated Polyester with a Reduction‐Responsive Backbone. Chemistry 2015; 21:11325-9. [PMID: 26177931 DOI: 10.1002/chem.201502233] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Indexed: 12/20/2022]
Affiliation(s)
- Basit Yameen
- Laboratory of Nanomedicine and Biomaterials, Department of Anaesthesiology Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115 (USA) http://farokhzad.bwh.harvard.edu/
| | - Cristian Vilos
- Laboratory of Nanomedicine and Biomaterials, Department of Anaesthesiology Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115 (USA) http://farokhzad.bwh.harvard.edu/
- Universidad Andres Bello, Facultad de Medicina, Center for Integrative Medicine and Innovative Science (CIMIS), Echaurren 183, Santiago 8370071 (Chile)
| | - Won Il Choi
- Laboratory of Nanomedicine and Biomaterials, Department of Anaesthesiology Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115 (USA) http://farokhzad.bwh.harvard.edu/
| | - Andrew Whyte
- Laboratory of Nanomedicine and Biomaterials, Department of Anaesthesiology Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115 (USA) http://farokhzad.bwh.harvard.edu/
- Univerity of Waterloo, 200 University Avenue West Waterloo, ON, N2L 3G1 (Canada)
| | - Jining Huang
- Laboratory of Nanomedicine and Biomaterials, Department of Anaesthesiology Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115 (USA) http://farokhzad.bwh.harvard.edu/
- Univerity of Waterloo, 200 University Avenue West Waterloo, ON, N2L 3G1 (Canada)
| | - Lori Pollit
- Laboratory of Nanomedicine and Biomaterials, Department of Anaesthesiology Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115 (USA) http://farokhzad.bwh.harvard.edu/
- Univerity of Waterloo, 200 University Avenue West Waterloo, ON, N2L 3G1 (Canada)
| | - Omid C. Farokhzad
- Laboratory of Nanomedicine and Biomaterials, Department of Anaesthesiology Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115 (USA) http://farokhzad.bwh.harvard.edu/
- King Abdulaziz University, Jeddah 21589 (Saudi Arabia)
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Xun MM, Xiao YP, Zhang J, Liu YH, Peng Q, Guo Q, Wu WX, Xu Y, Yu XQ. Low molecular weight PEI-based polycationic gene vectors via Michael addition polymerization with improved serum-tolerance. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.03.070] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Tocchio A, Martello F, Tamplenizza M, Rossi E, Gerges I, Milani P, Lenardi C. RGD-mimetic poly(amidoamine) hydrogel for the fabrication of complex cell-laden micro constructs. Acta Biomater 2015; 18:144-54. [PMID: 25724444 DOI: 10.1016/j.actbio.2015.02.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 02/15/2015] [Accepted: 02/18/2015] [Indexed: 12/12/2022]
Abstract
The potential of the 3D cell culture approach for creating in vitro models for drug screening and cellular studies, has led to the development of hydrogels that are able to mimic the in vivo 3D cellular milieu. To this aim, synthetic polymer-based hydrogels, with which it is possible to fine-tune the chemical and biophysical properties of the cell microenvironment, are becoming more and more acclaimed. Of all synthetic materials, poly(amidoamine)s (PAAs) hydrogels are known to have promising properties. In particular, PAAs hydrogels containing the 2,2-bisacrylamidoacetic acid-agmatine monomeric unit are capable of enhancing cellular adhesion by interacting with the RGD-binding αVβ3 integrin. The synthesis of a new photocrosslinkable, biomimetic PAA-Jeffamine®-PAA triblock copolymer (PJP) hydrogel is reported in this paper with the aim of improving the optical, biocompatibility and cell-adhesion properties of previously studied PAA hydrogels and providing an inexpensive alternative to the RGD peptide based hydrogels. The physicochemical properties of PJP hydrogels are extensively discussed and the behavior of 2D and 3D cell cultures was analyzed in depth with different cell types. Moreover, cell-laden PJP hydrogels were patterned with perfusable microchannels and seeded with endothelial cells, in order to investigate the possibility of using PJP hydrogels for fabricating cell laden tissue-like micro constructs and microfluidic devices. Overall the data obtained suggest that PJP could ultimately become a useful tool for fabricating improved in vitro models in order to potentially enhance the effectiveness of drug screening and clinical treatments.
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Affiliation(s)
- Alessandro Tocchio
- SEMM, European School of Molecular Medicine, Campus IFOM-IEO, Via Adamello 16, 20139 Milano, Italy
| | | | | | - Eleonora Rossi
- SEMM, European School of Molecular Medicine, Campus IFOM-IEO, Via Adamello 16, 20139 Milano, Italy
| | - Irini Gerges
- Fondazione Filarete, Viale Ortles 22/4, 20139 Milano, Italy
| | - Paolo Milani
- Fondazione Filarete, Viale Ortles 22/4, 20139 Milano, Italy; CIMaINa, Dipartimento di Fisica, Università degli Studi di Milano, Via Celoria 16, 20133 Milano, Italy
| | - Cristina Lenardi
- Fondazione Filarete, Viale Ortles 22/4, 20139 Milano, Italy; CIMaINa, Dipartimento di Fisica, Università degli Studi di Milano, Via Celoria 16, 20133 Milano, Italy.
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Multilayered Thin Films from Boronic Acid-Functional Poly(amido amine)s. Pharm Res 2015; 32:3066-86. [PMID: 25851410 PMCID: PMC4526598 DOI: 10.1007/s11095-015-1688-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Accepted: 03/23/2015] [Indexed: 01/24/2023]
Abstract
PURPOSE To investigate the properties of phenylboronic acid-functional poly(amido amine) polymers (BA-PAA) in forming multilayered thin films with poly(vinyl alcohol) (PVA) and chondroitin sulfate (ChS), and to evaluate their compatibility with COS-7 cells. METHODS Copolymers of phenylboronic acid-functional poly(amido amine)s, differing in the content of primary amine (DAB-BA-PAA) or alcohol (ABOL-BA-PAA) side groups, were synthesized and applied in the formation of multilayers with PVA and ChS. Biocompatibility of the resulting films was evaluated through cell culture experiments with COS-7 cells grown on the films. RESULTS PVA-based multilayers were thin, reaching ~100 nm at 10 bilayers, whereas ChS-based multilayers were thick, reaching ~600 nm at the same number of bilayers. All of the multilayers are stable under physiological conditions in vitro and are responsive to reducing agents, owing to the presence of disulfide bonds in the polymers. PVA-based films were demonstrated to be responsive to glucose at physiological pH at the investigated glucose concentrations (10-100 mM). The multilayered films displayed biocompatibility in cell culture experiments, promoting attachment and proliferation of COS-7 cells. CONCLUSIONS Responsive thin films based on boronic acid functional poly(amido amine)s are promising biocompatible materials for biomedical applications, such as drug releasing surfaces on stents or implants. Graphical Abstract Layer-by-Layer Assembly.
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Favretto ME, Krieg A, Schubert S, Schubert US, Brock R. Multifunctional poly(methacrylate) polyplex libraries: A platform for gene delivery inspired by nature. J Control Release 2015; 209:1-11. [PMID: 25862514 DOI: 10.1016/j.jconrel.2015.04.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Revised: 04/03/2015] [Accepted: 04/04/2015] [Indexed: 12/23/2022]
Abstract
Polymer-based gene delivery systems have enormous potential in biomedicine, but their efficiency is often limited by poor biocompatibility. Poly(methacrylate)s (PMAs) are an interesting class of polymers which allow to explore structure-activity relationships of polymer functionalities for polyplex formation in oligonucleotide delivery. Here, we synthesized and tested a library of PMA polymers, containing functional groups contributing to the different steps of gene delivery, from oligonucleotide complexation to cellular internalization and endosomal escape. By variation of the molar ratios of the individual building blocks, the physicochemical properties of the polymers and polyplexes were fine-tuned to reduce toxicity as well as to increase activity of the polyplexes. To further enhance transfection efficiency, a cell-penetrating peptide (CPP)-like functionality was introduced on the polymeric backbone. With the ability to synthesize large libraries of polymers in parallel we also developed a workflow for a mid-to-high throughput screening, focusing first on safety parameters that are accessible by high-throughput approaches such as blood compatibility and toxicity towards host cells and only at a later stage on more laborious tests for the ability to deliver oligonucleotides. To arrive at a better understanding of the molecular basis of activity, furthermore, the effect of the presence of heparan sulfates on the surface of host cells was assessed and the mechanism of cell entry and intracellular trafficking investigated for those polymers that showed a suitable pharmacological profile. Following endocytic uptake, rapid endosomal release occurred. Interestingly, the presence of heparan sulfates on the cell surface had a negative impact on the activity of those polyplexes that were sensitive to decomplexation by heparin in solution. In summary, the screening approach identified two polymers, which form polyplexes with high stability and transfection capacity exceeding the one of poly(ethylene imine) also in the presence of serum.
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Affiliation(s)
- M E Favretto
- Department of Biochemistry, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen, The Netherlands; Dutch Polymer Institute (DPI), Eindhoven, The Netherlands
| | - A Krieg
- Dutch Polymer Institute (DPI), Eindhoven, The Netherlands; Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Jena, Germany; Jena Center for Soft Matter, Friedrich Schiller University Jena, Jena, Germany
| | - S Schubert
- Jena Center for Soft Matter, Friedrich Schiller University Jena, Jena, Germany; Institute of Pharmacy, Pharmaceutical Technology, Friedrich Schiller University Jena, Jena, Germany
| | - U S Schubert
- Dutch Polymer Institute (DPI), Eindhoven, The Netherlands; Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Jena, Germany; Jena Center for Soft Matter, Friedrich Schiller University Jena, Jena, Germany
| | - R Brock
- Department of Biochemistry, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen, The Netherlands; Dutch Polymer Institute (DPI), Eindhoven, The Netherlands.
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40
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Mohammadifar E, Nemati Kharat A, Adeli M. Polyamidoamine and polyglycerol; their linear, dendritic and linear–dendritic architectures as anticancer drug delivery systems. J Mater Chem B 2015; 3:3896-3921. [DOI: 10.1039/c4tb02133a] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This review covers the latest advances in the conjugation of chemotherapeutics such as doxorubicin, paclitaxel, methotrexate, fluorouracil and cisplatin to dendritic polymers, including polyamidoamine dendrimers, hyperbranched polyglycerols and their linear analogues, with a focus on their cytotoxicity, biodistribution and biodegradability.
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Affiliation(s)
- Ehsan Mohammadifar
- School of Chemistry
- University College of Science
- University of Tehran
- Tehran
- Iran
| | - Ali Nemati Kharat
- School of Chemistry
- University College of Science
- University of Tehran
- Tehran
- Iran
| | - Mohsen Adeli
- Department of Chemistry
- Faculty of Science
- Lorestan University
- Khoramabad
- Iran
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41
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A general strategy to prepare different types of polysaccharide-graft-poly(aspartic acid) as degradable gene carriers. Acta Biomater 2015; 12:156-165. [PMID: 25448351 DOI: 10.1016/j.actbio.2014.10.041] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2014] [Revised: 10/03/2014] [Accepted: 10/29/2014] [Indexed: 02/06/2023]
Abstract
Owing to their unique properties such as low cytotoxicity and excellent biocompatibility, poly(aspartic acid) (PAsp) and polysaccharides are good candidates for the development of new biomaterials. In order to construct better gene delivery systems by combining polysaccharides with PAsp, in this work, a general strategy is described for preparing series of polysaccharide-graft-PAsp (including cyclodextrin (CD), dextran (Dex) and chitosan (CS)) gene vectors. Such different polysaccharide-based vectors are compared systematically through a series of experiments including degradability, pDNA condensation capability, cytotoxicity and gene transfection ability. They possess good degradability, which would benefit the release of pDNA from the complexes. They exhibit significantly lower cytotoxicity than the control 'gold-standard' polyethylenimine (PEI, ∼25kDa). More importantly, the gene transfection efficiency of Dex- and CS-based vectors is 12-14-fold higher than CD-based ones. This present study indicates that properly grafting degradable PAsp from polysaccharide backbones is an effective means of producing a new class of degradable biomaterials.
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Abstract
The recent research progress in biological and biomedical applications of hyperbranched polymers has been summarized in this review.
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Affiliation(s)
- Dali Wang
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- 200240 Shanghai
- P. R. China
| | - Tianyu Zhao
- Charles Institute of Dermatology
- School of Medicine and Medical Science
- University College Dublin
- Dublin 4
- Ireland
| | - Xinyuan Zhu
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- 200240 Shanghai
- P. R. China
| | - Deyue Yan
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- 200240 Shanghai
- P. R. China
| | - Wenxin Wang
- Charles Institute of Dermatology
- School of Medicine and Medical Science
- University College Dublin
- Dublin 4
- Ireland
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43
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Chang C, Dan H, Zhang LP, Chang MX, Sheng YF, Zheng GH, Zhang XZ. Fabrication of thermoresponsive, core-crosslinked micelles based on poly[N-isopropyl acrylamide-co-3-(trimethoxysilyl)propylmethacrylate]-b-poly{N-[3-(dimethylamino)propyl]methacrylamide} for the codelivery of doxorubicin and nucleic acid. J Appl Polym Sci 2014. [DOI: 10.1002/app.41752] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Cong Chang
- Key Laboratory of Chinese Medicine Resource and Compound Prescription of Ministry of Education; Hubei University of Chinese Medicine; Wuhan 430065 People's Republic of China
| | - Hong Dan
- Key Laboratory of Chinese Medicine Resource and Compound Prescription of Ministry of Education; Hubei University of Chinese Medicine; Wuhan 430065 People's Republic of China
| | - Li-Ping Zhang
- Key Laboratory of Chinese Medicine Resource and Compound Prescription of Ministry of Education; Hubei University of Chinese Medicine; Wuhan 430065 People's Republic of China
| | - Ming-Xiang Chang
- Affiliated Hospital; Hubei University of Chinese Medicine; Wuhan 430061 People's Republic of China
| | - Yin-Feng Sheng
- Affiliated Hospital; Hubei University of Chinese Medicine; Wuhan 430061 People's Republic of China
| | - Guo-Hua Zheng
- Key Laboratory of Chinese Medicine Resource and Compound Prescription of Ministry of Education; Hubei University of Chinese Medicine; Wuhan 430065 People's Republic of China
| | - Xian-Zheng Zhang
- Key Laboratory of Biomedical Polymers of Ministry of Education and Department of Chemistry; Wuhan University; Wuhan 430072 People's Republic of China
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44
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Drug delivery in aortic valve tissue engineering. J Control Release 2014; 196:307-23. [DOI: 10.1016/j.jconrel.2014.10.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Revised: 10/07/2014] [Accepted: 10/09/2014] [Indexed: 01/08/2023]
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45
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Targeted siRNA therapy using cytoplasm-responsive nanocarriers and cell-penetrating peptides. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2014. [DOI: 10.1007/s40005-014-0155-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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46
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Islam MA, Park T, Singh B, Maharjan S, Firdous J, Cho MH, Kang SK, Yun CH, Choi Y, Cho CS. Major degradable polycations as carriers for DNA and siRNA. J Control Release 2014; 193:74-89. [DOI: 10.1016/j.jconrel.2014.05.055] [Citation(s) in RCA: 114] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Revised: 05/24/2014] [Accepted: 05/27/2014] [Indexed: 12/17/2022]
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47
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Li CY, Wang HJ, Cao JM, Zhang J, Yu XQ. Bioreducible cross-linked polymers based on G1 peptide dendrimer as potential gene delivery vectors. Eur J Med Chem 2014; 87:413-20. [PMID: 25282264 DOI: 10.1016/j.ejmech.2014.09.091] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Revised: 09/04/2014] [Accepted: 09/29/2014] [Indexed: 01/18/2023]
Abstract
A series of cationic polymers based on low generation (G1) peptide dendrimer were synthesized with disulfide-containing linkages. The DNA binding abilities of the target polymers were studied by gel electrophoresis and fluorescence quenching assay. The bioreducible property of the disulfide-containing polymers P2 and P3 was also investigated in the presence of dithiothreitol (DTT). Results from dynamic light scattering (DLS) and transmission electron microscopy (TEM) assays reveal that these materials may condense DNA into nanoparticles with proper sizes and zeta-potentials. In vitro cell experiments show that compared to branched 25 KDa PEI, P2 and P3 may exhibit much higher gene transfection efficiency and lower cytotoxicity in both HEK293 and U-2OS cells. Additionally, polymer prepared from Michael addition gives better gene transfection ability, while polymer prepared from ring-opening reaction has better serum tolerance. Results indicate that these polymers might be promising non-viral gene vectors for their easy preparation, very low cytotoxicity, and good transfection efficiency.
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Affiliation(s)
- Chun-Yan Li
- Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu 610064, PR China
| | - Hai-Jiao Wang
- Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu 610064, PR China
| | - Jing-Ming Cao
- Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu 610064, PR China
| | - Ji Zhang
- Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu 610064, PR China.
| | - Xiao-Qi Yu
- Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu 610064, PR China.
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48
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Zhang QF, Yu QY, Geng Y, Zhang J, Wu WX, Wang G, Gu Z, Yu XQ. Ring-opening polymerization for hyperbranched polycationic gene delivery vectors with excellent serum tolerance. ACS APPLIED MATERIALS & INTERFACES 2014; 6:15733-15742. [PMID: 25177769 DOI: 10.1021/am5046185] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
In order to improve the transfection efficiency (TE) and biocompatibility, we synthesized a series of hyperbranched cationic polymers by ring-opening polymerization between diepoxide and several polyamines. These materials can condense plasmid DNA efficiently into nanoparticles that have much lower cytotoxicity than those derived from bPEI. In vitro transfection experiments showed that polymers prepared from branched or cyclic polyamine (P1 and P5) exhibited TE several times higher than 25KDa bPEI. More significantly, serum seemed to have no negative effect on P1-P5 mediated transfection. On the contrary, the TE of P1 improved, even when the serum concentration reached 70%. Several assays demonstrated the excellent serum tolerance of such polycationic vectors: bovine serum albumin (BSA) adsorption assay revealed considerably lower protein adsorption of P1-P5 than PEI; P1 showed better DNA protection ability from degradation by DNase I than PEI; flow cytometry results suggested that any concentration of serum may not decrease the cellular uptake of P1/DNA polyplex; and confocal laser scanning microscopy also found that serum has little effect on the transfection. By using specific cellular uptake inhibitors, we found that the polyplexes enter the cells mainly via caveolae and microtubule-mediated pathways. We believe that this ring-opening polymerization may be an effective synthetic approach toward gene delivery materials with high biological activity.
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Affiliation(s)
- Qin-Fang Zhang
- Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry, Sichuan University , Chengdu 610064, People's Republic of China
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49
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Jin Q, Wang Y, Cai T, Wang H, Ji J. Bioinspired photo-degradable amphiphilic hyperbranched poly(amino ester)s: Facile synthesis and intracellular drug delivery. POLYMER 2014. [DOI: 10.1016/j.polymer.2014.07.053] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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50
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Shakhbazau A, Archibald SJ, Shcharbin D, Bryszewska M, Midha R. Aligned collagen-GAG matrix as a 3D substrate for Schwann cell migration and dendrimer-based gene delivery. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2014; 25:1979-1989. [PMID: 24801062 DOI: 10.1007/s10856-014-5224-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2013] [Accepted: 04/21/2014] [Indexed: 06/03/2023]
Abstract
The development of artificial off-the-shelf conduits that facilitate effective nerve regeneration and recovery after repair of traumatic nerve injury gaps is of fundamental importance. Collagen-glycosaminoglycan (GAG) matrix mimicking Schwann cell (SC) basal lamina has been proposed as a suitable and biologically rational substrate for nerve regeneration. In the present study, we have focused on the permissiveness of this matrix type for SC migration and repopulation, as these events play an essential role in nerve remodeling. We have also demonstrated that SCs cultured within collagen-GAG matrix are compatible with non-viral dendrimer-based gene delivery, that may allow conditioning of matrix-embedded cells for future gene therapy applications.
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Affiliation(s)
- Antos Shakhbazau
- Department of Clinical Neuroscience, Faculty of Medicine, University of Calgary, HMRB 109-3330 Hospital Drive NW, Calgary, AB, T2N4N1, Canada,
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