1
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Wang JQ, Li Q, He JY, Zhou F, Huang ZH, Wang LB, Zhang Y, Li X. Autophagy in Multiple Sclerosis: Phagocytosis and Autophagy of Oligodendrocyte Precursor Cells. Mol Neurobiol 2024:10.1007/s12035-024-03996-x. [PMID: 38363533 DOI: 10.1007/s12035-024-03996-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 01/29/2024] [Indexed: 02/17/2024]
Abstract
Multiple sclerosis (MS) is a leading cause of chronic neurological dysfunction in young to middle-aged adults, affecting approximately 2.5 million people worldwide. It is characterized by inflammation, multifocal demyelination, axonal loss, and white and gray matter gliosis. Autophagy is a highly conserved protein degradation pathway. Polymorphisms in autophagy-related genes have been implicated in a variety of autoimmune diseases, including systemic lupus erythematosus, rheumatoid arthritis, psoriasis and MS. However, the significance of autophagy in MS remains to be elucidated. This paper aims to explore the potential role of autophagy-related genes in MS diseases by using bioinformatics combined with machine learning methods. Finally, we obtained 9 autophagy genes with the highest correlation with MS, and further changes in these autophagy genes were verified in the experimental autoimmune encephalomyelitis (EAE) model and oligodendrocyte precursor cells (OPCs) engulfed myelin debris (MD). Combined with bioinformatic analysis and experimental data, Becn1 showed obvious expression abnormalities suggesting that this gene has vital functions in autophagy and MD engulfed by OPCs. This work will be of great significance for the further exploration of autophagy-related genes in demyelinating diseases.
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Affiliation(s)
- Jia-Qi Wang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Qiang Li
- College of Urban and Environmental Sciences, Northwest University, Xi'an, China
| | - Jia-Yi He
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Fang Zhou
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Zi-Hao Huang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Li-Bin Wang
- The Nervous System Disease Diagnosis and Treatment Engineering Technology Research Center of Ningxia, Yinchuan, 750001, China
| | - Yuan Zhang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Xing Li
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, China.
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2
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Gouveia MG, Wesseler JP, Ramaekers J, Weder C, Scholten PBV, Bruns N. Polymersome-based protein drug delivery - quo vadis? Chem Soc Rev 2023; 52:728-778. [PMID: 36537575 PMCID: PMC9890519 DOI: 10.1039/d2cs00106c] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Indexed: 12/24/2022]
Abstract
Protein-based therapeutics are an attractive alternative to established therapeutic approaches and represent one of the fastest growing families of drugs. While many of these proteins can be delivered using established formulations, the intrinsic sensitivity of proteins to denaturation sometimes calls for a protective carrier to allow administration. Historically, lipid-based self-assembled structures, notably liposomes, have performed this function. After the discovery of polymersome-based targeted drug-delivery systems, which offer manifold advantages over lipid-based structures, the scientific community expected that such systems would take the therapeutic world by storm. However, no polymersome formulations have been commercialised. In this review article, we discuss key obstacles for the sluggish translation of polymersome-based protein nanocarriers into approved pharmaceuticals, which include limitations imparted by the use of non-degradable polymers, the intricacies of polymersome production methods, and the complexity of the in vivo journey of polymersomes across various biological barriers. Considering this complex subject from a polymer chemist's point of view, we highlight key areas that are worthy to explore in order to advance polymersomes to a level at which clinical trials become worthwhile and translation into pharmaceutical and nanomedical applications is realistic.
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Affiliation(s)
- Micael G Gouveia
- Department of Pure and Applied Chemistry, University of Strathclyde, Thomas Graham Building, 295 Cathedral Street, Glasgow G1 1XL, UK
| | - Justus P Wesseler
- Department of Pure and Applied Chemistry, University of Strathclyde, Thomas Graham Building, 295 Cathedral Street, Glasgow G1 1XL, UK
| | - Jobbe Ramaekers
- Department of Pure and Applied Chemistry, University of Strathclyde, Thomas Graham Building, 295 Cathedral Street, Glasgow G1 1XL, UK
| | - Christoph Weder
- Adolphe Merkle Institute, Chemin des Verdiers 4, 1700 Fribourg, Switzerland.
| | - Philip B V Scholten
- Adolphe Merkle Institute, Chemin des Verdiers 4, 1700 Fribourg, Switzerland.
| | - Nico Bruns
- Department of Pure and Applied Chemistry, University of Strathclyde, Thomas Graham Building, 295 Cathedral Street, Glasgow G1 1XL, UK
- Department of Chemistry, Technical University of Darmstadt, Alarich-Weiss-Straße 4, 64287 Darmstadt, Germany.
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3
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Wang QX, Chen X, Li ZL, Gong YC, Xiong XY. Transferrin/folate dual-targeting Pluronic F127/poly(lactic acid) polymersomes for effective anticancer drug delivery. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2022; 33:1140-1156. [PMID: 35179085 DOI: 10.1080/09205063.2022.2044434] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/16/2022] [Accepted: 02/16/2022] [Indexed: 06/14/2023]
Abstract
A novel dual-targeting Pluronic/poly(lactic acid) polymersome containing transferrin and folic acid ligands (Tf/FA-F127-PLA) has been designed to study its application in the targeted drug delivery system. Both biotin and folic acid conjugated Biotin/FA-F127-PLA polymersomes (Ps) were prepared as the precursor. The dual-targeting behaviors of Tf/FA-F127-PLA over C6 glioma cells were then fulfilled through connecting the precursor with biotinylated transferrin by using a three-step biotin-avidin technique. Paclitaxel (PTX) was loaded successfully into Biotin/FA-F127-PLA and showed a burst release followed by a slow-release process in vitro. It was also obtained that Tf/FA-F127-PLA had higher cytotoxicity and cellular uptake amount than non-targeted and single-targeted Ps did. These results could be because more PTX-loaded Tf/FA-F127-PLA Ps entered C6 cells through both FA-folate receptor (FR) and Tf-transferrin receptor (TfR) specific affinity and thus possessed the better anti-tumor ability. It was further proved that the uptake of Ps by C6 cells was through the endocytosis related to clathrin, caveolae, lysosome, etc. Furthermore, it was demonstrated that the uptake of dual-targeting Tf/FA-F127-PLA Ps by C6 cells was related to the endocytosis mediated by both FR and TfR. These findings indicated that dual-targeting Tf/FA-F127-PLA Ps could be a potential carrier in targeted drug delivery systems.
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Affiliation(s)
- Qing Xiao Wang
- School of Life Science, Jiangxi Science and Technology Normal University, Nanchang, PR China
| | - Xiang Chen
- School of Life Science, Jiangxi Science and Technology Normal University, Nanchang, PR China
| | - Zi Ling Li
- School of Life Science, Jiangxi Science and Technology Normal University, Nanchang, PR China
| | - Yan Chun Gong
- School of Life Science, Jiangxi Science and Technology Normal University, Nanchang, PR China
| | - Xiang Yuan Xiong
- School of Life Science, Jiangxi Science and Technology Normal University, Nanchang, PR China
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4
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Singh V, Md S, Alhakamy NA, Kesharwani P. Taxanes loaded polymersomes as an emerging polymeric nanocarrier for cancer therapy. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2021.110883] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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5
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Moulahoum H, Ghorbanizamani F, Zihnioglu F, Timur S. Surface Biomodification of Liposomes and Polymersomes for Efficient Targeted Drug Delivery. Bioconjug Chem 2021; 32:1491-1502. [PMID: 34283580 DOI: 10.1021/acs.bioconjchem.1c00285] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Chemotherapy has seen great progress in the development of performant treatment strategies. Nanovesicles such as liposomes and polymersomes demonstrated great potential in cancer therapy. However, these nanocarriers deliver their content passively, which faces a lot of constraints during blood circulation. The main challenge resides in degradation and random delivery to normal tissues. Hence, targeting drug delivery using specific molecules (such as antibodies) grafted over the surface of these nanocarriers came as the answer to overcome many problems faced before. The advantage of using antibodies is their antigen/antibody recognition, which provides a high level of specificity to reach treatment targets. This review discusses the many techniques of nanocarrier functionalization with antibodies. The aim is to recognize the various approaches by describing their advantages and deficiencies to create the most suitable drug delivery platform. Some methods are more suitable for other applications rather than drug delivery, which can explain the low success of some proposed targeted nanocarriers. In here, a critical analysis of how every method could impact the recognition and targeting capacity of some nanocarriers (liposomes and polymersomes) is discussed to make future research more impactful and advance the field of biomedicine further.
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Affiliation(s)
- Hichem Moulahoum
- Biochemistry Department, Faculty of Science, Ege University, 35100, Bornova, Izmir, Turkey
| | - Faezeh Ghorbanizamani
- Biochemistry Department, Faculty of Science, Ege University, 35100, Bornova, Izmir, Turkey
| | - Figen Zihnioglu
- Biochemistry Department, Faculty of Science, Ege University, 35100, Bornova, Izmir, Turkey
| | - Suna Timur
- Biochemistry Department, Faculty of Science, Ege University, 35100, Bornova, Izmir, Turkey.,Central Research Testing and Analysis Laboratory Research and Application Center, Ege University, 35100, Bornova, Izmir, Turkey
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6
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Braunová A, Chytil P, Laga R, Šírová M, Machová D, Parnica J, Říhová B, Janoušková O, Etrych T. Polymer nanomedicines based on micelle-forming amphiphilic or water-soluble polymer-doxorubicin conjugates: Comparative study of in vitro and in vivo properties related to the polymer carrier structure, composition, and hydrodynamic properties. J Control Release 2020; 321:718-733. [DOI: 10.1016/j.jconrel.2020.03.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 02/05/2020] [Accepted: 03/02/2020] [Indexed: 10/24/2022]
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7
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Rahman HS, Othman HH, Hammadi NI, Yeap SK, Amin KM, Abdul Samad N, Alitheen NB. Novel Drug Delivery Systems for Loading of Natural Plant Extracts and Their Biomedical Applications. Int J Nanomedicine 2020; 15:2439-2483. [PMID: 32346289 PMCID: PMC7169473 DOI: 10.2147/ijn.s227805] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 10/10/2019] [Indexed: 12/18/2022] Open
Abstract
Many types of research have distinctly addressed the efficacy of natural plant metabolites used for human consumption both in cell culture and preclinical animal model systems. However, these in vitro and in vivo effects have not been able to be translated for clinical use because of several factors such as inefficient systemic delivery and bioavailability of promising agents that significantly contribute to this disconnection. Over the past decades, extraordinary advances have been made successfully on the development of novel drug delivery systems for encapsulation of plant active metabolites including organic, inorganic and hybrid nanoparticles. The advanced formulas are confirmed to have extraordinary benefits over conventional and previously used systems in the manner of solubility, bioavailability, toxicity, pharmacological activity, stability, distribution, sustained delivery, and both physical and chemical degradation. The current review highlights the development of novel nanocarrier for plant active compounds, their method of preparation, type of active ingredients, and their biomedical applications.
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Affiliation(s)
- Heshu Sulaiman Rahman
- Department of Physiology, College of Medicine, University of Sulaimani, Sulaymaniyah46001, Republic of Iraq
- Department of Medical Laboratory Sciences, College of Health Sciences, Komar University of Science and Technology, Sulaymaniyah, Republic of Iraq
| | - Hemn Hassan Othman
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Sulaimani, Sulaymaniyah46001, Republic of Iraq
| | - Nahidah Ibrahim Hammadi
- Department of Histology, College of Veterinary Medicine, University of Al-Anbar, Ramadi, Republic of Iraq
| | - Swee Keong Yeap
- China-ASEAN College of Marine Sciences, Xiamen University Malaysia, Sepang, Malaysia
| | - Kawa Mohammad Amin
- Department of Microbiology, College of Medicine, University of Sulaimani, Sulaymaniyah46001, Republic of Iraq
| | - Nozlena Abdul Samad
- Integrative Medicine Cluster, Institut Perubatan dan Pergigian Termaju (IPPT), Sains@BERTAM, Universiti Sains Malaysia, Kepala Batas13200, Pulau Pinang, Malaysia
| | - Noorjahan Banu Alitheen
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Bio-Molecular Sciences, Universiti Putra Malaysia, Selangor, Malaysia
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8
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Youssef SF, Elnaggar YSR, Abdallah OY. Elaboration of polymersomes versus conventional liposomes for improving oral bioavailability of the anticancer flutamide. Nanomedicine (Lond) 2018; 13:3025-3036. [DOI: 10.2217/nnm-2018-0238] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Aim: Flutamide is an outstanding anticancer drug with poor oral bioavailability. This is the first work to investigate the potential of polymersomes versus conventional liposomes to improve flutamide bioavailability. Materials & methods: Polymersomes were prepared by solvent-switching technique and successfully optimized with excellent nanometric size (143 nm) and ζ-potential (-33.4 mV). Physicochemical characterization, stability in gastrointestinal tract and in vivo oral pharmacokinetics in male Sprague–Dawely rats were performed. Results: A significantly higher stability in simulated intestinal fluid was demonstrated by polymersomes compared with liposomes. Great improvement in flutamide oral bioavailability in polymersomes compared with both liposomes and drug suspension was obtained. Conclusion: Polymersomes are promising nanoplatforms to overcome stability problems of liposomes and to improve flutamide oral bioavailability.
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Affiliation(s)
- Shams F Youssef
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Yosra SR Elnaggar
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
- Department of Pharmaceutics, Faculty of Pharmacy & Drug Manufacturing, Pharos University in Alexandria, Alexandria, Egypt
| | - Ossama Y Abdallah
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
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9
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Saari H, Lisitsyna E, Rautaniemi K, Rojalin T, Niemi L, Nivaro O, Laaksonen T, Yliperttula M, Vuorimaa-Laukkanen E. FLIM reveals alternative EV-mediated cellular up-take pathways of paclitaxel. J Control Release 2018; 284:133-143. [DOI: 10.1016/j.jconrel.2018.06.015] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 06/04/2018] [Accepted: 06/10/2018] [Indexed: 12/17/2022]
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10
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Deng Y, Ling J, Li MH. Physical stimuli-responsive liposomes and polymersomes as drug delivery vehicles based on phase transitions in the membrane. NANOSCALE 2018; 10:6781-6800. [PMID: 29616274 DOI: 10.1039/c8nr00923f] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
This paper reviews liposomes with crystalline phase and polymersomes exhibiting crystalline and thermotropic liquid crystalline phases in the membrane. Intriguing morphologies of vesicles are described, including spherical, ellipsoidal and faceted vesicles, produced by a large variety of amphiphilic molecules and polymers with nematic phase, smectic phase or crystalline phase. It is highlighted how the phase transitions and the phase grain boundaries could be used ingeniously to destabilize the vesicular structure and to achieve cargo-release under the action of external stimulation. These liposomes and polymersomes are responsive to physical stimuli, such as temperature variation, shear stress, light illumination, and magnetic and electric fields. These stimuli-responsive properties make them promising candidates as new smart drug delivery systems.
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Affiliation(s)
- Yangwei Deng
- Chimie ParisTech, PSL University Paris, CNRS, Institut de Recherche de Chimie Paris, UMR8247, 11 rue Pierre et Marie Curie, 75005 Paris, France.
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11
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Manickavasagam D, Novak K, Oyewumi MO. Therapeutic Delivery of Simvastatin Loaded in PLA-PEG Polymersomes Resulted in Amplification of Anti-inflammatory Effects in Activated Microglia. AAPS JOURNAL 2017; 20:18. [DOI: 10.1208/s12248-017-0176-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 11/21/2017] [Indexed: 01/18/2023]
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12
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Li S, Zhang Y, Liu H, Yu C, Zhou Y, Yan D. Asymmetric Polymersomes from an Oil-in-Oil Emulsion: A Computer Simulation Study. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:10084-10093. [PMID: 28857572 DOI: 10.1021/acs.langmuir.7b02411] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Asymmetric vesicles are valuable for understanding and mimicking cell and practical biomedicine applications. Recently, a very straightforward methodology for fabricating asymmetric polymersome was developed by Lodge's group through the coassembly of polystyrene-b-poly(ethylene oxide) (PS-b-PEO) and polybutadiene-b-poly(ethylene oxide) (PB-b-PEO) block copolymers at the interface of a polystyrene/polybutadiene/chloroform (PS/PB/CHCl3) emulsion. However, the in-depth microscopic mechanism for the formation of asymmetric polymersomes remains unclear. To address this issue, in this article, the coassembly process for the formation of the asymmetric polymersomes in Asano's experimental system was systematically investigated by employing a dissipative particle dynamics (DPD) simulation. Our results definitely demonstrate the formation of the asymmetric polymersomes such as that in the experiments and that the bilayer formed through the folding and crossing of the PEO blocks. Besides, from the microscopic view, three stages can be discerned in the formation process: (1) the formation of micelles, (2) the micelle diffusion to the interface, and (3) the micelle rearrangement at the interface to form an asymmetric polymersome. Meanwhile, the incompatibility among PS, PB, and PEO is proven to be the main driving force for asymmetric polymersome formation. Moreover, the effects of the order of addition of copolymers and the volume fraction of PEO blocks on the structure of the asymmetric polymersomes are also investigated. We find that the formation process is affected severely by the order of addition, and adding PS-b-PEO first can make the asymmetric bilayer more perfect. Not only that, but perfect asymmetric polymersomes can be formed only when the volume fraction of PEO (fPEO) is greater than 0.55. We believe the present work can extend the knowledge of the self-assembly of asymmetric polymersomes, especially with respect to the self-assembly mechanism.
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Affiliation(s)
- Shanlong Li
- School of Chemistry & Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University , 800 Dongchuan Road, Shanghai, China 200240
| | - Yinglin Zhang
- School of Chemistry & Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University , 800 Dongchuan Road, Shanghai, China 200240
| | - Hong Liu
- Institute of Theoretical Chemistry, State Key Laboratory of Supramolecular Structure and Materials, Jilin University , Changchun, China 130021
| | - Chunyang Yu
- School of Chemistry & Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University , 800 Dongchuan Road, Shanghai, China 200240
| | - Yongfeng Zhou
- School of Chemistry & Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University , 800 Dongchuan Road, Shanghai, China 200240
| | - Deyue Yan
- School of Chemistry & Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University , 800 Dongchuan Road, Shanghai, China 200240
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13
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Nance ME, Hakim CH, Yang NN, Duan D. Nanotherapy for Duchenne muscular dystrophy. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2017; 10. [PMID: 28398005 DOI: 10.1002/wnan.1472] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 02/09/2017] [Accepted: 03/11/2017] [Indexed: 12/14/2022]
Abstract
Duchenne muscular dystrophy (DMD) is a lethal X-linked childhood muscle wasting disease caused by mutations in the dystrophin gene. Nanobiotechnology-based therapies (such as synthetic nanoparticles and naturally existing viral and nonviral nanoparticles) hold great promise to replace and repair the mutated dystrophin gene and significantly change the disease course. While a majority of DMD nanotherapies are still in early preclinical development, several [such as adeno-associated virus (AAV)-mediated systemic micro-dystrophin gene therapy] are advancing for phase I clinical trials. Recent regulatory approval of Ataluren (a nonsense mutation read-through chemical) in Europe and Exondys51 (an exon-skipping antisense oligonucleotide drug) in the United States shall offer critical insight in how to move DMD nanotherapy to human patients. Progress in novel, optimized nano-delivery systems may further improve emerging molecular therapeutic modalities for DMD. Despite these progresses, DMD nanotherapy faces a number of unique challenges. Specifically, the dystrophin gene is one of the largest genes in the genome while nanoparticles have an inherent size limitation per definition. Furthermore, muscle is the largest tissue in the body and accounts for 40% of the body mass. How to achieve efficient bodywide muscle targeting in human patients with nanomedication remains a significant translational hurdle. New creative approaches in the design of the miniature micro-dystrophin gene, engineering of muscle-specific synthetic AAV capsids, and novel nanoparticle-mediated exon-skipping are likely to result in major breakthroughs in DMD therapy. WIREs Nanomed Nanobiotechnol 2018, 10:e1472. doi: 10.1002/wnan.1472 This article is categorized under: Biology-Inspired Nanomaterials > Protein and Virus-Based Structures Therapeutic Approaches and Drug Discovery > Emerging Technologies.
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Affiliation(s)
- Michael E Nance
- Department of Microbiology and Immunology, University of Missouri School of Medicine, Columbia, MO, USA
| | - Chady H Hakim
- Department of Microbiology and Immunology, University of Missouri School of Medicine, Columbia, MO, USA.,National Center for Advancing Translational Sciences, NIH, Rockville, MD, USA
| | - N Nora Yang
- National Center for Advancing Translational Sciences, NIH, Rockville, MD, USA
| | - Dongsheng Duan
- Department of Microbiology and Immunology, University of Missouri School of Medicine, Columbia, MO, USA.,Department of Neurology, University of Missouri, Columbia, MO, USA.,Department of Bioengineering, University of Missouri, Columbia, MO, USA.,Department of Biomedical Sciences, University of Missouri, Columbia, MO, USA
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14
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Zhou J, Ni R, Chau Y. Polymeric vesicle formation via temperature-assisted nanoprecipitation. RSC Adv 2017. [DOI: 10.1039/c7ra01959a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We here report an easy and efficient strategy to prepare submicron-sized polymeric vesicles with tetrahydrofuran (THF) as a good solvent through temperature-assisted nanoprecipitation (TAN).
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Affiliation(s)
- Junli Zhou
- Department of Chemical and Biomolecular Engineering
- The Hong Kong University of Science and Technology
- Kowloon
- China
| | - Rong Ni
- Division of Biomedical Engineering
- The Hong Kong University of Science and Technology
- Kowloon
- China
- Institute for Advanced Study
| | - Ying Chau
- Department of Chemical and Biomolecular Engineering
- The Hong Kong University of Science and Technology
- Kowloon
- China
- Division of Biomedical Engineering
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15
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Braunová A, Kostka L, Sivák L, Cuchalová L, Hvězdová Z, Laga R, Filippov S, Černoch P, Pechar M, Janoušková O, Šírová M, Etrych T. Tumor-targeted micelle-forming block copolymers for overcoming of multidrug resistance. J Control Release 2016; 245:41-51. [PMID: 27871991 DOI: 10.1016/j.jconrel.2016.11.020] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 10/31/2016] [Accepted: 11/17/2016] [Indexed: 11/17/2022]
Abstract
New amphiphilic diblock polymer nanotherapeutics serving simultaneously as a drug delivery system and an inhibitor of multidrug resistance were designed, synthesized, and evaluated for their physico-chemical and biological characteristics. The amphiphilic character of the diblock polymer, containing a hydrophilic block based on the N-(2-hydroxypropyl)methacrylamide copolymer and a hydrophobic poly(propylene oxide) block (PPO), caused self-assembly into polymer micelles with an increased hydrodynamic radius (Rh of approximately 15nm) in aqueous solutions. Doxorubicin (Dox), as a cytostatic drug, was bound to the diblock polymer through a pH-sensitive hydrazone bond, enabling prolonged circulation in blood, the delivery of Dox into a solid tumor and the subsequent stimuli-sensitive controlled release within the tumor mass and tumor cells at a decreased pH. The applicability of micellar nanotherapeutics as drug carriers was confirmed by an in vivo evaluation using EL4 lymphoma-bearing C57BL/6 mice. We observed significantly higher accumulation of micellar conjugates in a solid tumor because of the EPR effect compared with similar polymer-drug conjugates that do not form micellar structures or with the parent free drug. In addition, highly increased anti-tumor efficacy of the micellar polymer nanotherapeutics, even at a sub-optimal dose, was observed. The presence of PPO in the structure of the diblock polymer ensured, during in vitro tests on human and mouse drug-sensitive and resistant cancer cell lines, the inhibition of P-glycoprotein, one of the most frequently expressed ATP-dependent efflux pump that causes multidrug resistance. In addition, we observed highly increased rate of the uptake of the diblock polymer nanotherapeutics within the cells. We suppose that combination of unique properties based on MDR inhibition, stimuli sensitiveness (pH sensitive activation of drug), improved pharmacokinetics and increased uptake into the cells made the described polymer micelle a good candidate for investigation as potential drug delivery system.
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Affiliation(s)
- Alena Braunová
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 06 Prague, Czech Republic
| | - Libor Kostka
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 06 Prague, Czech Republic
| | - Ladislav Sivák
- Institute of Microbiology, Czech Academy of Sciences, Vídeňská 1083, 142 20 Prague, Czech Republic
| | - Lucie Cuchalová
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 06 Prague, Czech Republic
| | - Zuzana Hvězdová
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 06 Prague, Czech Republic
| | - Richard Laga
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 06 Prague, Czech Republic
| | - Sergey Filippov
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 06 Prague, Czech Republic
| | - Peter Černoch
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 06 Prague, Czech Republic
| | - Michal Pechar
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 06 Prague, Czech Republic
| | - Olga Janoušková
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 06 Prague, Czech Republic
| | - Milada Šírová
- Institute of Microbiology, Czech Academy of Sciences, Vídeňská 1083, 142 20 Prague, Czech Republic
| | - Tomáš Etrych
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 06 Prague, Czech Republic.
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16
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17
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Nguyen DH, Lee JS, Bae JW, Choi JH, Lee Y, Son JY, Park KD. Targeted doxorubicin nanotherapy strongly suppressing growth of multidrug resistant tumor in mice. Int J Pharm 2015; 495:329-335. [DOI: 10.1016/j.ijpharm.2015.08.083] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Accepted: 08/26/2015] [Indexed: 11/16/2022]
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18
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Deng Y, Zou T, Tao X, Semetey V, Trepout S, Marco S, Ling J, Li MH. Poly(ε-caprolactone)-block-polysarcosine by Ring-Opening Polymerization of Sarcosine N-Thiocarboxyanhydride: Synthesis and Thermoresponsive Self-Assembly. Biomacromolecules 2015; 16:3265-74. [PMID: 26388179 DOI: 10.1021/acs.biomac.5b00930] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Biocompatible amphiphilic block copolymers composed of polysarcosine (PSar) and poly(ε-caprolactone) (PCL) were synthesized using ring-opening polymerization of sarcosine N-thiocarboxyanhydride initiated by oxyamine-ended PCL and characterized by NMR, SEC, and DSC. Self-assembling of two triblock copolymers PSar8-b-PCL28-b-PSar8 (CS7) and PSar16-b-PCL40-b-PSar16 (CS10) in dilute solution was studied in detail toward polymersome formation using thin-film hydration and nanoprecipitation techniques. A few giant vesicles were obtained by thin-film hydration from both copolymers and visualized by confocal laser scanning microscope. Unilamellar sheets and nanofibers (with 8-10 nm thickness or diameter) were obtained by nanoprecipitation at room temperature and observed by Cryo-TEM. These lamellae and fibrous structures were transformed into worm-like cylinders and spheres (D∼30-100 nm) after heating to 65 °C (>Tm,PCL). Heating CS10 suspensions to 90 °C led eventually to multilamellar polymersomes (D∼100-500 nm). Mechanism II, where micelles expand to vesicles through water diffusion and hydrophilic core forming, was proposed for polymersome formation. A cell viability test confirmed the self-assemblies were not cytotoxic.
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Affiliation(s)
- Yangwei Deng
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , 310027 Hangzhou, China.,Institut Curie - CNRS - Université Pierre and Marie Curie , Laboratoire Physico-Chimie Curie, UMR168, 26 Rue d'Ulm, 75248 Paris, France
| | - Tao Zou
- Institut Curie - CNRS - Université Pierre and Marie Curie , Laboratoire Physico-Chimie Curie, UMR168, 26 Rue d'Ulm, 75248 Paris, France
| | - Xinfeng Tao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , 310027 Hangzhou, China
| | - Vincent Semetey
- Institut Curie - CNRS - Université Pierre and Marie Curie , Laboratoire Physico-Chimie Curie, UMR168, 26 Rue d'Ulm, 75248 Paris, France.,Institut de Recherche de Chimie Paris, UMR8247, CNRS - Chimie ParisTech (ENSCP) , 11 rue Pierre et Marie Curie, 75231 Paris, France
| | | | - Sergio Marco
- Institut Curie, INSERM U1196, 91405 Orsay cedex, France
| | - Jun Ling
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University , 310027 Hangzhou, China
| | - Min-Hui Li
- Institut Curie - CNRS - Université Pierre and Marie Curie , Laboratoire Physico-Chimie Curie, UMR168, 26 Rue d'Ulm, 75248 Paris, France.,Institut de Recherche de Chimie Paris, UMR8247, CNRS - Chimie ParisTech (ENSCP) , 11 rue Pierre et Marie Curie, 75231 Paris, France
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19
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Gou J, Feng S, Xu H, Fang G, Chao Y, Zhang Y, Xu H, Tang X. Decreased Core Crystallinity Facilitated Drug Loading in Polymeric Micelles without Affecting Their Biological Performances. Biomacromolecules 2015; 16:2920-9. [DOI: 10.1021/acs.biomac.5b00826] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Jingxin Gou
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua
Road, Shenyang 110016, China
| | - Shuangshuang Feng
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua
Road, Shenyang 110016, China
| | - Helin Xu
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua
Road, Shenyang 110016, China
| | - Guihua Fang
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua
Road, Shenyang 110016, China
| | - Yanhui Chao
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua
Road, Shenyang 110016, China
| | - Yu Zhang
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua
Road, Shenyang 110016, China
| | - Hui Xu
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua
Road, Shenyang 110016, China
| | - Xing Tang
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua
Road, Shenyang 110016, China
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20
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Gaitzsch J, Huang X, Voit B. Engineering Functional Polymer Capsules toward Smart Nanoreactors. Chem Rev 2015; 116:1053-93. [DOI: 10.1021/acs.chemrev.5b00241] [Citation(s) in RCA: 300] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jens Gaitzsch
- Department
of Chemistry, University College London, London WC1H 0AJ, United Kingdom
- Department
of Chemistry, University of Basel, Klingelbergstrasse 80, 4056 Basel, Basel-Stadt, Switzerland
| | - Xin Huang
- School
of Chemical Engineering and Technology, Harbin Institute of Technology, 150001 Harbin, Heilongjiang, China
| | - Brigitte Voit
- Leibniz-Institut fuer Polymerforschung Dresden e.V., Hohe Strasse 6, 01069 Dresden, Saxony, Germany
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21
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22
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Guo Q, Guan D, Dong B, Nan F, Zhang Y. Charge-Conversional Binary Drug Delivery Polymeric Micelles for Combined Chemotherapy of Cervical Cancer. INT J POLYM MATER PO 2015. [DOI: 10.1080/00914037.2015.1038819] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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23
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Zhao Z, Gao Y, Wu C, Hao Y, Zhao Y, Xu J. Development of novel core-shell dual-mesoporous silica nanoparticles for the production of high bioavailable controlled-release fenofibrate tablets. Drug Dev Ind Pharm 2015; 42:199-208. [DOI: 10.3109/03639045.2015.1039018] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Zongzhe Zhao
- Department of Pharmaceutics, Liaoning Medical University, Jinzhou, Liaoning Province, China and
| | - Yu Gao
- Department of Oncology, First Affiliated Hospital, Liaoning Medical University, Jinzhou, Liaoning Province, China
| | - Chao Wu
- Department of Pharmaceutics, Liaoning Medical University, Jinzhou, Liaoning Province, China and
| | - Yanna Hao
- Department of Pharmaceutics, Liaoning Medical University, Jinzhou, Liaoning Province, China and
| | - Ying Zhao
- Department of Pharmaceutics, Liaoning Medical University, Jinzhou, Liaoning Province, China and
| | - Jie Xu
- Department of Pharmaceutics, Liaoning Medical University, Jinzhou, Liaoning Province, China and
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24
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Lee JS, Deng X, Han P, Cheng J. Dual Stimuli-Responsive Poly(β-amino ester) Nanoparticles for On-Demand Burst Release. Macromol Biosci 2015; 15:1314-22. [DOI: 10.1002/mabi.201500111] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Revised: 05/03/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Jung Seok Lee
- Department of Materials Science and Engineering; University of Illinois at Urbana−Champaign; 1304 West Green Street Urbana Illinois 61801 USA
- Department of Biomedical Engineering; Yale University; 55 Prospect Street New Haven Connecticut 06520 USA
| | - Xiaojian Deng
- Department of Materials Science and Engineering; University of Illinois at Urbana−Champaign; 1304 West Green Street Urbana Illinois 61801 USA
| | - Patrick Han
- Department of Biomedical Engineering; Yale University; 55 Prospect Street New Haven Connecticut 06520 USA
| | - Jianjun Cheng
- Department of Materials Science and Engineering; University of Illinois at Urbana−Champaign; 1304 West Green Street Urbana Illinois 61801 USA
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25
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Foster AA, Ross NL, Sullivan MO. Fluorescent dye incorporation causes weakened gene association and intracellular aggregate formation in nonviral carriers. J Gene Med 2015; 17:69-79. [PMID: 25731756 DOI: 10.1002/jgm.2824] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Revised: 02/14/2015] [Accepted: 02/26/2015] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND The successful application of nonviral gene transfer technologies requires both improved understanding and control with respect to intracellular trafficking and release. However, the intracellular space is highly complex and hence well-defined, stable structures are necessary to probe the stages of the delivery pathway. Fluorescent labeling is a regularly used approach to monitor nonviral delivery and release, yet few studies investigate the effects of label incorporation on the structure and activity of gene-containing vehicles. METHODS In the present study, the impacts of label incorporation on the assembly and gene transfer capacity of DNA polyplexes were determined through the utilization of a model DNA-polyethylenimine (PEI) delivery system. PEI was fluorescently labeled with the Oregon Green® dye prior to polyplex formation and delivery to CHO-K1 cells. RESULTS The present study provides evidence showing that routine labeling strategies for polyplexes weakened DNA binding affinity, produced large quantities of extracellular structures and significantly increased intracellular polyplex aggregation. Additionally, cellular internalization studies showed that increased labeling fractions led to reductions in polyplex uptake as a result of weakened complexation. CONCLUSIONS These results not only provide insight into the assembly of these structures, but also help to identify labeling strategies sufficient to preserve activity at the same time as enabling detailed studies of trafficking and disassembly.
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Affiliation(s)
- Abbygail A Foster
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE, USA
| | - Nikki L Ross
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE, USA
| | - Millicent O Sullivan
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE, USA
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26
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Feng S, Lu F, Wang Y, Suo J. Comparison of the degradation and release behaviors of poly(lactide-co-glycolide)-methoxypoly(ethylene glycol) microspheres prepared with single- and double-emulsion evaporation methods. J Appl Polym Sci 2015. [DOI: 10.1002/app.41943] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Shuibin Feng
- State Key Laboratory of Material Processing and Die & Mold Technology, College of Materials Science and Engineering, Huazhong University of Science and Technology; Wuhan 430074 People's Republic of China
| | - Feng Lu
- State Key Laboratory of Material Processing and Die & Mold Technology, College of Materials Science and Engineering, Huazhong University of Science and Technology; Wuhan 430074 People's Republic of China
| | - Yan Wang
- State Key Laboratory of Material Processing and Die & Mold Technology, College of Materials Science and Engineering, Huazhong University of Science and Technology; Wuhan 430074 People's Republic of China
| | - Jinping Suo
- State Key Laboratory of Material Processing and Die & Mold Technology, College of Materials Science and Engineering, Huazhong University of Science and Technology; Wuhan 430074 People's Republic of China
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27
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Feng S, Nie L, Zou P, Suo J. Drug-loaded PLGA-mPEG microparticles as treatment for atopic dermatitis-like skin lesions in BALB/c mice model. J Microencapsul 2014; 32:201-9. [DOI: 10.3109/02652048.2014.995727] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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28
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Messager L, Gaitzsch J, Chierico L, Battaglia G. Novel aspects of encapsulation and delivery using polymersomes. Curr Opin Pharmacol 2014; 18:104-11. [DOI: 10.1016/j.coph.2014.09.017] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Revised: 09/17/2014] [Accepted: 09/21/2014] [Indexed: 02/05/2023]
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29
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Cui J, Han Y, Jiang W. Asymmetric vesicle constructed by AB/CB diblock copolymer mixture and its behavior: a Monte Carlo study. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:9219-9227. [PMID: 25029409 DOI: 10.1021/la501674a] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Asymmetric vesicles constructed from AB/CB diblock copolymer mixture in a selective solvent for A and C blocks are studied using Monte Carlo simulation. The effects of the mixed ratio of the two diblock copolymers, the solution pH, and the hydrophilic chain length on the distributions of hydrophilic blocks on the surfaces of asymmetric vesicles are studied systematically. The simulation results show that asymmetric vesicle, in which the inner and outer surfaces are constructed from different hydrophilic blocks, can be obtained from AB/CB diblock copolymer mixture. The formation of ABC or CBA three-layer asymmetric vesicle depends on the composition of the mixture, the chain length of hydrophilic block, and the solution pH. The hydrophilic block with the same charge (induced by the solution pH), or longer chain length, or lower content in the mixture is more likely to distribute on the outer surface of the vesicle. Moreover, the transition from ABC to CBA three-layer asymmetric vesicle in which blocks C are charged can occur by adjusting the composition of the mixture. On the other hand, the investigations of the interfacial energy density of asymmetric vesicles elucidate the distribution regularity of hydrophilic blocks. When the hydrophilic chain lengths are equal, the difference between the outer and inner interfacial energies is the main factor that determines the asymmetric vesicle structures; that is, the distributions of different hydrophilic blocks on asymmetric vesicles always tend to gain the largest difference between the outer and inner interfacial energies. However, when the hydrophilic chain lengths are different, the chain conformational entropy becomes the main driving force for determining the distribution of hydrophilic blocks on asymmetric vesicles.
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Affiliation(s)
- Jie Cui
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022, People's Republic of China
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30
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Lee JY, Kim JS, Cho HJ, Kim DD. Poly(styrene)-b-poly(DL-lactide) copolymer-based nanoparticles for anticancer drug delivery. Int J Nanomedicine 2014; 9:2803-13. [PMID: 24940058 PMCID: PMC4051715 DOI: 10.2147/ijn.s62806] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Poly(styrene)-b-poly(DL-lactide) (PS-PDLLA) copolymer-based nanoparticles (NPs) of a narrow size distribution, negative zeta potential, and spherical shape were fabricated for the delivery of docetaxel (DCT). The particle size was consistently maintained in serum for 24 hours and a sustained drug release pattern was observed for 10 days in the tested formulations. The cytotoxicity of the developed blank NPs was negligible in prostate cancer (PC-3) cells. Cellular uptake and distribution of the constructed NPs containing a hydrophobic fluorescent dye was monitored by confocal laser scanning microscopy (CLSM) for 24 hours. Anti-tumor efficacy of the PS-PDLLA/DCT NPs in PC-3 cells was significantly more potent than that of the group treated with commercially available DCT, Taxotere (P<0.05). Blood biochemistry tests showed that no serious toxicity was observed with the blank NPs in the liver and kidney. In a pharmacokinetic study of DCT in rats, in vivo clearance of PS-PDLLA/DCT NPs decreased while the half-life in blood increased compared to the Taxotere-treated group (P<0.05). The PS-PDLLA NPs are expected to be a biocompatible and efficient nano-delivery system for anticancer drugs.
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Affiliation(s)
- Jae-Young Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
| | - Jung Sun Kim
- Division of Health Sciences, Dongseo University, Busan, Republic of Korea
| | - Hyun-Jong Cho
- College of Pharmacy, Kangwon National University, Chuncheon, Republic of Korea
| | - Dae-Duk Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
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31
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Yang J, Hou Y, Ji G, Song Z, Liu Y, Dai G, Zhang Y, Chen J. Targeted delivery of the RGD-labeled biodegradable polymersomes loaded with the hydrophilic drug oxymatrine on cultured hepatic stellate cells and liver fibrosis in rats. Eur J Pharm Sci 2013; 52:180-90. [PMID: 24296297 DOI: 10.1016/j.ejps.2013.11.017] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2013] [Revised: 11/21/2013] [Accepted: 11/24/2013] [Indexed: 01/06/2023]
Abstract
Oxymatrine (OM) is an alkaloid extracted from a Chinese herb that has been found to possess an anti-hepatic fibrosis effect, although its anti-fibrotic potential is limited due to a lack of targeting specificity, a short half-life and adverse effects. Polymersomes (PM) assembled from amphiphilic block copolymers represent promising vesicles for applications that include drug delivery and surface functionalization. The aim of this study was to develop a novel drug carrier based on PM modified with the peptide RGD and evaluate its therapeutic effect on liver fibrosis. A series of PM based on poly(ethylene glycol)-b-poly(ε-caprolactone) (PEG-b-PCL) were prepared and characterized. OM was loaded into PM by a pH-gradient method then the OM-loaded PM was modified with RGD peptide to obtain RGD-PM-OM. The average drug loading of RGD-PM-OM, with a size of 95 nm, was 6.8%. The targeting effects of the system were determined in cultured hepatic stellate cells (HSCs) and bile duct-ligated rats (BLD). RGD-PM-OM displayed better suppression of HSCs proliferation and significantly reduced the expression of the genes for α-SMA and collagen lα1 in cultured HSCs. Furthermore, RGD-PM-OM exhibited markedly superior anti-fibrosis activity by reducing the levels of PC-III and IV-C in serum and connective tissue deposition in BLD compared with PM-OM and OM. These results indicate that targeted RGD-PM-OM markedly attenuates the effects of hepatic fibrosis.
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Affiliation(s)
- Jianhong Yang
- Department of Pharmaceutical Science, Nanfang Hospital, Southern Medical University, No. 1838 Guangzhou Ave., Guangzhou 510515, PR China; Department of Pharmaceutics, School of Pharmacy, Ningxia Medical University, No. 1160 Shengli South Street, Yinchuan 750004, PR China
| | - Yanhui Hou
- Department of Pharmaceutics, School of Pharmacy, Ningxia Medical University, No. 1160 Shengli South Street, Yinchuan 750004, PR China
| | - Gangjian Ji
- Department of Pharmaceutical Science, Nanfang Hospital, Southern Medical University, No. 1838 Guangzhou Ave., Guangzhou 510515, PR China
| | - Zhihua Song
- Department of Pharmaceutical Science, Nanfang Hospital, Southern Medical University, No. 1838 Guangzhou Ave., Guangzhou 510515, PR China
| | - Yanhua Liu
- Department of Pharmaceutics, School of Pharmacy, Ningxia Medical University, No. 1160 Shengli South Street, Yinchuan 750004, PR China
| | - Guidong Dai
- Department of Pharmaceutics, School of Pharmacy, Ningxia Medical University, No. 1160 Shengli South Street, Yinchuan 750004, PR China
| | - Yajun Zhang
- College of Life Sciences of Northwest University, No. 229 Taibai North Road, Xian 710069, PR China
| | - Jianhai Chen
- Department of Pharmaceutical Science, Nanfang Hospital, Southern Medical University, No. 1838 Guangzhou Ave., Guangzhou 510515, PR China.
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Zhang P, Cheetham AG, Lin YA, Cui H. Self-assembled Tat nanofibers as effective drug carrier and transporter. ACS NANO 2013; 7:5965-77. [PMID: 23758167 PMCID: PMC3799919 DOI: 10.1021/nn401667z] [Citation(s) in RCA: 149] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
Cell penetrating peptides (CPPs) have been extensively explored as molecular vectors through covalent linkage to anticancer drugs to improve the drug's water solubility and to help overcome multidrug resistance. We report here the use of the Tat CPP as a molecular building unit to construct well-defined supramolecular nanofibers that can be utilized as a nanoscale vector to encapsulate the hydrophobic drug paclitaxel (PTX) (loading efficiency: 89.7 ± 5.0%) with a high loading capacity (6.8 ± 0.4%). Notably, our TEM imaging results reveal that nanofibers containing a higher PTX content tend to be more flexible than those with a lower PTX content. Fluorescence and confocal microscopy imaging show that the Tat nanofibers can effectively transport encapsulated molecules into the cells through an adsorptive-mediated endocytosis pathway. Cytotoxicity experiments and flow cytometry measurements demonstrate that PTX loaded in the nanofibers exerts its cytotoxicity against cancer cells by arresting the cells at the G2/M phase, the same working mechanism as free PTX.
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Affiliation(s)
- Pengcheng Zhang
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBio Technology, The Johns Hopkins University, Baltimore, MD 21218, United States
| | - Andrew G. Cheetham
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBio Technology, The Johns Hopkins University, Baltimore, MD 21218, United States
| | - Yi-an Lin
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBio Technology, The Johns Hopkins University, Baltimore, MD 21218, United States
| | - Honggang Cui
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBio Technology, The Johns Hopkins University, Baltimore, MD 21218, United States
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33
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Ye L, Gao Z, Zhou Y, Yin X, Zhang X, Zhang A, Feng Z. A pH-sensitive binary drug delivery system based on poly(caprolactone)-heparin conjugates. J Biomed Mater Res A 2013; 102:880-9. [DOI: 10.1002/jbm.a.34735] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2013] [Revised: 03/20/2013] [Accepted: 03/26/2013] [Indexed: 11/10/2022]
Affiliation(s)
- Lin Ye
- Department of Materials Physics and Chemistry, School of Materials Science and Engineering, Beijing Institute of Technology; Beijing 100081 China
| | - Zemin Gao
- Department of Materials Physics and Chemistry, School of Materials Science and Engineering, Beijing Institute of Technology; Beijing 100081 China
| | - Yu Zhou
- Department of Materials Physics and Chemistry, School of Materials Science and Engineering, Beijing Institute of Technology; Beijing 100081 China
| | - Xuan Yin
- Department of Materials Physics and Chemistry, School of Materials Science and Engineering, Beijing Institute of Technology; Beijing 100081 China
| | - Xinpeng Zhang
- Department of Materials Physics and Chemistry, School of Materials Science and Engineering, Beijing Institute of Technology; Beijing 100081 China
| | - Aiying Zhang
- Department of Materials Physics and Chemistry, School of Materials Science and Engineering, Beijing Institute of Technology; Beijing 100081 China
| | - Zengguo Feng
- Department of Materials Physics and Chemistry, School of Materials Science and Engineering, Beijing Institute of Technology; Beijing 100081 China
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