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Xiao X, Huang J. Enzyme-Responsive Supramolecular Self-Assembly in Small Amphiphiles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024. [PMID: 39018035 DOI: 10.1021/acs.langmuir.4c01762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/18/2024]
Abstract
Enzyme-responsive molecular assemblies have recently made remarkable progress, owing to their widespread applications. As a class of catalysts with high specificity and efficiency, enzymes play a critical role in producing new molecules and maintaining metabolic stability in living organisms. Therefore, the study of enzyme-responsive assembly aids in understanding the origin of life and the physiological processes occurring within living bodies, contributing to further advancements across various disciplines. In this Review, we summarize three kinds of enzyme-responsive assembly systems in amphiphiles: enzyme-triggered assembly, disassembly, and structural transformation. Furthermore, motivated by the fact that biological macromolecules and complex structures all originated with small molecules, our focus lies on the small amphiphiles (e.g., peptides, surfactants, fluorescent molecules, and drug molecules). We also provide an outlook on the potential of enzyme-responsive assembly systems for biomimetic development and hope this Review will attract more attention to this emerging research branch at the intersection of assembly chemistry and biological science.
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Affiliation(s)
- Xiao Xiao
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, PR China
| | - Jianbin Huang
- Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, PR China
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Gurbanov AV, Firoozbakht F, Pourshirband N, Sharafi-Badr P, Hayati P, Souri B, Eshghi F, Kaminsky W, Mahmoudi G, Verpoort F, Mehrabadi Z. A new 1D Mn(II) coordination polymer: Synthesis, crystal structure, hirshfeld surface analysis and molecular docking studies. Heliyon 2024; 10:e29565. [PMID: 38699722 PMCID: PMC11063412 DOI: 10.1016/j.heliyon.2024.e29565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 04/10/2024] [Accepted: 04/10/2024] [Indexed: 05/05/2024] Open
Abstract
The synthesis of novel metal-organic coordination polymers (MOCP) with the chemical formula [Mn2L (SCN)2(OH)2]3·CH3OH [L = 1,5-bis(pyridine-4-ylmethylene) carbonohydrazide] {1} was accomplished using two different techniques: solvothermal and sonochemical ultrasonic-assisted. An investigation was carried out to examine the impact of various factors such as reaction time, sonication power, temperature, and reactant concentration on the morphology and size of the crystals. Interestingly, it was found that sonication power and temperature did not affect the crystals' morphology and size. To further analyze the prepared microcrystals of MOCPs, SEM was utilized to examine their surface morphology, and XRD, elemental evaluation composition. The identification of the functional groups present in the prepared Mn-MOCPs was accomplished through the utilization of FT-IR spectroscopy. Subsequently, the calcination of 1 in an air atmosphere at 650 °C led to the formation of Mn3O4 nanoparticles. The geometric and electronic structure of the MOCPs was evaluated using density functional theory (DFT). The utilization of molecular docking methodologies demonstrated that the best cavity of the human androgen receptor possessed an interaction energy of -116.3 kJ mol-1. This energy encompassed a combination of both bonding and non-bonding interactions. The Results showed that steric interaction and electrostatic potential are the main interactions in AR polymer and Mn(II). These interactions in the defined cavity indicated that this polymer could be an effective anti-prostate candidate, because AR is involved in the growth of prostate cancer cells, and these interactions indicated the inhibition of prostate cancer cell growth.
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Affiliation(s)
- Atash V. Gurbanov
- Centro de Química Estrutural, Institute of Molecular Sciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
- Excellence Center, Baku State University, Z. Khalilov Str. 23, AZ 1148 Baku, Azerbaijan
- Western Caspian University, Istiqlaliyyat Street 31, AZ 1001, Baku, Azerbaijan
| | - Fateme Firoozbakht
- Department of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran
| | - Nafiseh Pourshirband
- Department of Chemistry, Shahreza Branch, Islamic Azad University, P.O. Box 311-86145, Shahreza, Isfahan, Iran
| | - Paria Sharafi-Badr
- Department of Pharmacognosy and Pharmaceutical Biotechnology, School of Pharmacy, Iran University of Medical Sciences, Tehran, Iran
| | - Payam Hayati
- Organic and Nano Group (ONG), Department of Chemistry, Iran University of Science and Technology (IUST), PO Box 16846-13114, Tehran, Iran
| | - Bagher Souri
- Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan, Iran
| | - Fazlolah Eshghi
- Department of Chemistry, College of Sciences, Shiraz University, Shiraz, Iran
| | - Werner Kaminsky
- X-ray Crystallography Laboratory, University of Washington, United States
| | - Ghodrat Mahmoudi
- Department of Chemistry, Faculty of Science, University of Maragheh, P.O. Box 55136-83111, Maragheh, Iran
- Chemistry Department, Faculty of Engineering and Natural Sciences, Istinye University, Sarıyer, Istanbul 34396, Turkey
| | - Francis Verpoort
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Zohreh Mehrabadi
- Department of Chemistry, Firoozabad Branch, Islamic Azad University, Firoozabad, Iran
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Herrera SE, Agazzi ML, Apuzzo E, Cortez ML, Marmisollé WA, Tagliazucchi M, Azzaroni O. Polyelectrolyte-multivalent molecule complexes: physicochemical properties and applications. SOFT MATTER 2023; 19:2013-2041. [PMID: 36811333 DOI: 10.1039/d2sm01507b] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The complexation of polyelectrolytes with other oppositely charged structures gives rise to a great variety of functional materials with potential applications in a wide spectrum of technological fields. Depending on the assembly conditions, polyelectrolyte complexes can acquire different macroscopic configurations such as dense precipitates, nanosized colloids and liquid coacervates. In the past 50 years, much progress has been achieved to understand the principles behind the phase separation induced by the interaction of two oppositely charged polyelectrolytes in aqueous solutions, especially for symmetric systems (systems in which both polyions have similar molecular weight and concentration). However, in recent years, the complexation of polyelectrolytes with alternative building blocks such as small charged molecules (multivalent inorganic species, oligopeptides, and oligoamines, among others) has gained attention in different areas. In this review, we discuss the physicochemical characteristics of the complexes formed by polyelectrolytes and multivalent small molecules, putting a special emphasis on their similarities with the well-known polycation-polyanion complexes. In addition, we analyze the potential of these complexes to act as versatile functional platforms in various technological fields, such as biomedicine and advanced materials engineering.
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Affiliation(s)
- Santiago E Herrera
- Departamento de Química Inorgánica, Analítica y Química Física, INQUIMAE, CONICET. Facultad de Ciencias Exactas y Naturales. Ciudad Universitaria, Pabellón 2, Buenos Aires C1428EHA, Argentina.
| | - Maximiliano L Agazzi
- Instituto para el Desarrollo Agroindustrial y de la Salud (IDAS), (UNRC, CONICET), Ruta Nacional 36 KM 601, 5800 Río Cuarto, Argentina.
| | - Eugenia Apuzzo
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), (UNLP, CONICET), Sucursal 4, Casilla de Correo 16, 1900 La Plata, Argentina.
| | - M Lorena Cortez
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), (UNLP, CONICET), Sucursal 4, Casilla de Correo 16, 1900 La Plata, Argentina.
| | - Waldemar A Marmisollé
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), (UNLP, CONICET), Sucursal 4, Casilla de Correo 16, 1900 La Plata, Argentina.
| | - Mario Tagliazucchi
- Departamento de Química Inorgánica, Analítica y Química Física, INQUIMAE, CONICET. Facultad de Ciencias Exactas y Naturales. Ciudad Universitaria, Pabellón 2, Buenos Aires C1428EHA, Argentina.
| | - Omar Azzaroni
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), (UNLP, CONICET), Sucursal 4, Casilla de Correo 16, 1900 La Plata, Argentina.
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Tian B, Liu J. Smart stimuli-responsive chitosan hydrogel for drug delivery: A review. Int J Biol Macromol 2023; 235:123902. [PMID: 36871689 DOI: 10.1016/j.ijbiomac.2023.123902] [Citation(s) in RCA: 32] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 02/21/2023] [Accepted: 02/27/2023] [Indexed: 03/06/2023]
Abstract
Smart stimuli-responsive materials can respond to different signals (pH, temperature, light, electricity, etc.), and they have become a hot research topic for drug delivery. As a polysaccharide polymer with excellent biocompatibility, chitosan can be obtained from diverse natural sources. Chitosan hydrogels with different stimuli-response capabilities are widely applied in the drug delivery field. This review highlights and discusses the research progress on chitosan hydrogels concerning their stimuli-responsive capabilities. The feature of various stimuli-responsive kinds of hydrogels is outlined, and their potential use of drug delivery is summarized. Furthermore, the questions and future development chances of stimuli-responsive chitosan hydrogels are analyzed by comparing the current published literature, and the directions for the intelligent development of chitosan hydrogels are discussed.
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Affiliation(s)
- Bingren Tian
- Institute of Medical Sciences, General Hospital of Ningxia Medical University, Yinchuan 750004, Ningxia, China; Key Laboratory of Ningxia Stem Cell and Regenerative Medicine, General Hospital of Ningxia Medical University, Yinchuan 750004, Ningxia, China.
| | - Jiayue Liu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao 999078, Macau SAR, China.
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Banerjee S, Bardhan S, Senapati S. Structural Transitions at the Water/Oil Interface by Ionic-Liquid-like Surfactant, 1-Butyl-3-methylimidazolium Dioctyl Sulfosuccinate: Measurements and Mechanism. J Phys Chem B 2022; 126:2014-2026. [PMID: 35213168 DOI: 10.1021/acs.jpcb.1c08602] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Reverse micelle (RM) aggregates have a wide range of applications in various areas of science and technology. A continuous demand exists to replace interfacial surfactant molecules with various nonconventional amphiphiles. Ionic liquid (IL)-like surfactants (IL-surf's) constitute a class of such molecules that are being researched extensively. Here, we have formulated several water/IL-surf/oil microemulsions by optimizing the core droplet size with varying oil phases. The best composition of water/[BMIM][AOT]/IPM ([BMIM][AOT]: 1-butyl-3-methylimidazolium dioctyl sulfosuccinate; IPM: isopropyl myristate) was then analyzed in detail through experimental and computer simulations. Our results from DLS measurements suggest a structural transition from spherical aggregates in the parent water/[Na][AOT]/IPM solution to cylindrical droplets in the IL-surf-based system. The Raman and ATR-FTIR spectral analysis suggest a variation in the microstructure of the water/oil interface due to the differential interaction of the counterions with AOT headgroups and water. Molecular dynamics simulation results provided the direct image of the interface showing a structured versus uneven water/oil interface in [Na][AOT] versus [BMIM][AOT] RMs, where the larger [BMIM] cations weakly bind with the AOT headgroups due to their low charge density. Finally, an application of this IL-surf-based formulation was tested by carrying out a Heck cross-coupling reaction that showed significantly higher yield under milder reaction conditions.
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Affiliation(s)
- Shankha Banerjee
- Department of Biotechnology and BJM School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, India
| | - Soumik Bardhan
- Department of Biotechnology and BJM School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, India
| | - Sanjib Senapati
- Department of Biotechnology and BJM School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, India
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Li FZ, Zhou LL, Kuang GC. Supramolecular Engineering Strategy to Construct BODIPY-Based White Light Emission Materials. Chem Asian J 2021; 16:97-101. [PMID: 33230958 DOI: 10.1002/asia.202001297] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 11/22/2020] [Indexed: 12/18/2022]
Abstract
Two kinds of 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) dyads BDP-OH containing 4-hydroxystyrene groups and BDP-PY bearing pyridinyl units were prepared. In addition, a naphthalene derivative NAP-PY modified by pyridinyl moieties substituent was made. The above three dyads could be used to construct white-light emission (WLE) material by a supramolecular engineering strategy due to their three primary colors of blue, green and red. The supramolecular correlations between the hydroxyl group of BDP-OH and the pyridinyl groups of NAP-PY and BDP-PY were confirmed by 1 H NMR titration, 2D NOESY and FTIR. A fluorescence monitor application was carried out based on the realization of WLE. This work might be useful for designing other WLE supramolecular systems and image display.
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Affiliation(s)
- Fang-Zhou Li
- State Key Laboratory of Power Metallurgy, Department of Polymer Materials and Engineering, Central South University, Changsha, Hunan, 410083, P. R. China
| | - Liang-Liang Zhou
- State Key Laboratory of Power Metallurgy, Department of Polymer Materials and Engineering, Central South University, Changsha, Hunan, 410083, P. R. China
| | - Gui-Chao Kuang
- State Key Laboratory of Power Metallurgy, Department of Polymer Materials and Engineering, Central South University, Changsha, Hunan, 410083, P. R. China
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Mishra A, Dhiman S, George SJ. ATP‐Driven Synthetic Supramolecular Assemblies: From ATP as a Template to Fuel. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006614] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Ananya Mishra
- Supramolecular Chemistry Laboratory New Chemistry Unit School of Advanced Materials (SAMat) Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur Bangalore 560064 India
| | - Shikha Dhiman
- Supramolecular Chemistry Laboratory New Chemistry Unit School of Advanced Materials (SAMat) Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur Bangalore 560064 India
| | - Subi J. George
- Supramolecular Chemistry Laboratory New Chemistry Unit School of Advanced Materials (SAMat) Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur Bangalore 560064 India
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Mishra A, Dhiman S, George SJ. ATP‐Driven Synthetic Supramolecular Assemblies: From ATP as a Template to Fuel. Angew Chem Int Ed Engl 2020; 60:2740-2756. [DOI: 10.1002/anie.202006614] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 06/09/2020] [Indexed: 12/15/2022]
Affiliation(s)
- Ananya Mishra
- Supramolecular Chemistry Laboratory New Chemistry Unit School of Advanced Materials (SAMat) Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur Bangalore 560064 India
| | - Shikha Dhiman
- Supramolecular Chemistry Laboratory New Chemistry Unit School of Advanced Materials (SAMat) Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur Bangalore 560064 India
| | - Subi J. George
- Supramolecular Chemistry Laboratory New Chemistry Unit School of Advanced Materials (SAMat) Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur Bangalore 560064 India
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10
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Caprifico AE, Polycarpou E, Foot PJS, Calabrese G. Biomedical and Pharmacological Uses of Fluorescein Isothiocyanate Chitosan-Based Nanocarriers. Macromol Biosci 2020; 21:e2000312. [PMID: 33016007 DOI: 10.1002/mabi.202000312] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Indexed: 12/26/2022]
Abstract
Chitosan-based nanocarriers (ChNCs) are considered suitable drug carriers due to their ability to encapsulate a variety of drugs and cross biological barriers to deliver the cargo to their target site. Fluorescein isothiocyanate-labeled chitosan-based NCs (FITC@ChNCs) are used extensively in biomedical and pharmacological applications. The main advantage of using FITC@ChNCs consists of the ability to track their fate both intra and extracellularly. This journey is strictly dependent on the physico-chemical properties of the carrier and the cell types under investigation. Other applications make use of fluorescent ChNCs in cell labeling for the detection of disorders in vivo and controlling of living cells in situ. This review describes the use of FITC@ChNCs in the various applications with a focus on understanding their usefulness in labeled drug-delivery systems.
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Affiliation(s)
- Anna E Caprifico
- A. E. Caprifico, Dr. E. Polycarpou, Prof. P. J. S. Foot, Dr. G. Calabrese, Pharmacy and Chemistry, Kingston University London, Penrhyn Road, Kingston upon Thames, KT1 2EE, UK
| | - Elena Polycarpou
- A. E. Caprifico, Dr. E. Polycarpou, Prof. P. J. S. Foot, Dr. G. Calabrese, Pharmacy and Chemistry, Kingston University London, Penrhyn Road, Kingston upon Thames, KT1 2EE, UK
| | - Peter J S Foot
- A. E. Caprifico, Dr. E. Polycarpou, Prof. P. J. S. Foot, Dr. G. Calabrese, Pharmacy and Chemistry, Kingston University London, Penrhyn Road, Kingston upon Thames, KT1 2EE, UK
| | - Gianpiero Calabrese
- A. E. Caprifico, Dr. E. Polycarpou, Prof. P. J. S. Foot, Dr. G. Calabrese, Pharmacy and Chemistry, Kingston University London, Penrhyn Road, Kingston upon Thames, KT1 2EE, UK
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Deng J, Walther A. ATP-Responsive and ATP-Fueled Self-Assembling Systems and Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2002629. [PMID: 32881127 DOI: 10.1002/adma.202002629] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 05/21/2020] [Indexed: 06/11/2023]
Abstract
Adenosine triphosphate (ATP) is a central metabolite that plays an indispensable role in various cellular processes, from energy supply to cell-to-cell signaling. Nature has developed sophisticated strategies to use the energy stored in ATP for many metabolic and non-equilibrium processes, and to sense and bind ATP for biological signaling. The variations in the ATP concentrations from one organelle to another, from extracellular to intracellular environments, and from normal cells to cancer cells are one motivation for designing ATP-triggered and ATP-fueled systems and materials, because they show great potential for applications in biological systems by using ATP as a trigger or chemical fuel. Over the last decade, ATP has been emerging as an attractive co-assembling component for man-made stimuli-responsive as well as for fuel-driven active systems and materials. Herein, current advances and emerging concepts for ATP-triggered and ATP-fueled self-assemblies and materials are discussed, shedding light on applications and highlighting future developments. By bringing together concepts of different domains, that is from supramolecular chemistry to DNA nanoscience, from equilibrium to non-equilibrium self-assembly, and from fundamental sciences to applications, the aim is to cross-fertilize current approaches with the ultimate aim to bring synthetic ATP-dependent systems closer to living systems.
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Affiliation(s)
- Jie Deng
- A3BMS Lab - Active, Adaptive and Autonomous Bioinspired Materials, Institute for Macromolecular Chemistry, University of Freiburg, Stefan-Meier-Straße 31, Freiburg, 79104, Germany
- Freiburg Materials Research Center (FMF), University of Freiburg, Stefan-Meier-Str. 21, Freiburg, 79104, Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT), University of Freiburg, Georges-Köhler-Allee 105, Freiburg, 79110, Germany
| | - Andreas Walther
- A3BMS Lab - Active, Adaptive and Autonomous Bioinspired Materials, Institute for Macromolecular Chemistry, University of Freiburg, Stefan-Meier-Straße 31, Freiburg, 79104, Germany
- Freiburg Materials Research Center (FMF), University of Freiburg, Stefan-Meier-Str. 21, Freiburg, 79104, Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT), University of Freiburg, Georges-Köhler-Allee 105, Freiburg, 79110, Germany
- Cluster of Excellence livMatS @ FIT - Freiburg Center for Interactive Materials and Bioinspired Technologies, University of Freiburg, Georges-Köhler-Allee 105, Freiburg, D-79110, Germany
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De Matteis V, Rizzello L, Cascione M, Liatsi-Douvitsa E, Apriceno A, Rinaldi R. Green Plasmonic Nanoparticles and Bio-Inspired Stimuli-Responsive Vesicles in Cancer Therapy Application. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1083. [PMID: 32486479 PMCID: PMC7353186 DOI: 10.3390/nano10061083] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 05/27/2020] [Accepted: 05/28/2020] [Indexed: 01/31/2023]
Abstract
: In the past years, there is a growing interest in the application of nanoscaled materials in cancer therapy because of their unique physico-chemical properties. However, the dark side of their usability is limited by their possible toxic behaviour and accumulation in living organisms. Starting from this assumption, the search for a green alternative to produce nanoparticles (NPs) or the discovery of green molecules, is a challenge in order to obtain safe materials. In particular, gold (Au NPs) and silver (Ag NPs) NPs are particularly suitable because of their unique physico-chemical properties, in particular plasmonic behaviour that makes them useful as active anticancer agents. These NPs can be obtained by green approaches, alternative to conventional chemical methods, owing to the use of phytochemicals, carbohydrates, and other biomolecules present in plants, fungi, and bacteria, reducing toxic effects. In addition, we analysed the use of green and stimuli-responsive polymeric bio-inspired nanovesicles, mainly used in drug delivery applications that have revolutionised the way of drugs supply. Finally, we reported the last examples on the use of metallic and Au NPs as self-propelling systems as new concept of nanorobot, which is able to respond and move towards specific physical or chemical stimuli in biological entities.
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Affiliation(s)
- Valeria De Matteis
- Department of Mathematics and Physics “Ennio De Giorgi”, University of Salento, Via Arnesano, 73100 Lecce, Italy; (M.C.); (R.R.)
| | - Loris Rizzello
- The Barcelona Institute of Science and Technology, Institute for Bioengineering of Catalonia (IBEC), Baldiri Reixac 10–12, 08028 Barcelona, Spain; (L.R.); (A.A.)
- Department of Pharmaceutical Sciences, University of Milan, via Mangiagalli 25, 20133 Milano, Italy
| | - Mariafrancesca Cascione
- Department of Mathematics and Physics “Ennio De Giorgi”, University of Salento, Via Arnesano, 73100 Lecce, Italy; (M.C.); (R.R.)
| | - Eva Liatsi-Douvitsa
- Department of Chemistry, University College London (UCL), 20 Gordon Street, London WC1H 0AJ, UK;
| | - Azzurra Apriceno
- The Barcelona Institute of Science and Technology, Institute for Bioengineering of Catalonia (IBEC), Baldiri Reixac 10–12, 08028 Barcelona, Spain; (L.R.); (A.A.)
- Department of Chemistry, University College London (UCL), 20 Gordon Street, London WC1H 0AJ, UK;
| | - Rosaria Rinaldi
- Department of Mathematics and Physics “Ennio De Giorgi”, University of Salento, Via Arnesano, 73100 Lecce, Italy; (M.C.); (R.R.)
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Ahmad T, Byun H, Shin HJ, Lee J, Madhurakkat Perikamana SK, Kim EM, Shin YM, Shin H. Polydopamine-assisted one-step modification of nanofiber surfaces with adenosine to tune the osteogenic differentiation of mesenchymal stem cells and the maturation of osteoclasts. Biomater Sci 2020; 8:2825-2839. [PMID: 32343757 DOI: 10.1039/c9bm01990a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Adenosine and its receptors have emerged as alternative targets to control cellular functions for bone healing. However, the soluble delivery of adenosine has not proven effective because of its fast degradation in vivo. We therefore designed a stable coating of adenosine for biomaterial surfaces through polydopamine chemistry to control osteogenesis and osteoclastogenesis via A2bR signaling. First, we prepared electrospun poly (ι-lactic acid) (PLLA) nanofiber sheets, which were modified through a one-step adenosine polydopamine coating process. Scanning electron microscopy (SEM) revealed deposition of particles on the adenosine polydopamine-coated PLLA (AP-PL) sheets compared to the polydopamine-only sheets. Moreover, X-ray photoelectron spectroscopy analysis confirmed an increase in nitrogen signals due to adenosine. Furthermore, adenosine loading efficiency and retention were significantly enhanced in AP-PL sheets compared to polydopamine-only sheets. Human adipose-derived stem cells (hADSCs) cultured on AP-PL expressed A2bR (1.30 ± 0.19 fold) at significantly higher levels than those cultured on polydopamine-only sheets. This in turn significantly elevated the expression of Runx2 (16.94 ± 1.68 and 51.69 ± 0.07 fold), OPN (1.63 ± 0.16 and 30.56 ± 0.25 fold), OCN (1.16 ± 0.13 and 5.23 ± 0.16 fold), and OSX (10.01 ± 0.81 and 62.48 ± 0.25 fold) in cells grown in growth media on days 14 and 21, respectively. Similarly, mineral deposition was enhanced to a greater extent in the AP-PL group than the polydopamine group, while blocking of A2bR significantly downregulated osteogenesis. Finally, osteoclast differentiation of RAW 264.7 cells was significantly inhibited by growth on AP-PL sheets. However, osteoclast differentiation was significantly stimulated after A2bR was blocked. Taken together, we propose that polydopamine-assisted one-step coating of adenosine is a viable method for surface modification of biomaterials to control osteogenic differentiation of stem cells and bone healing.
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Affiliation(s)
- Taufiq Ahmad
- Department of Bioengineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea.
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Arora S, Mestry S, Singh HK, Mhaske ST. Sol–gel based layer-by-layer deposits of lanthanum cerium molybdate nanocontainers and their anticorrosive attributes. IRANIAN POLYMER JOURNAL 2020. [DOI: 10.1007/s13726-019-00779-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Sabourian P, Tavakolian M, Yazdani H, Frounchi M, van de Ven TG, Maysinger D, Kakkar A. Stimuli-responsive chitosan as an advantageous platform for efficient delivery of bioactive agents. J Control Release 2020; 317:216-231. [DOI: 10.1016/j.jconrel.2019.11.029] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 11/22/2019] [Accepted: 11/23/2019] [Indexed: 12/31/2022]
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Li M, Bai H, Shao L, Hua B. A Multifunctional Hybrid[4]arene-Based Macrocyclic Amphiphile: Self-Assembly, Tunable LCST Behavior, and Construction of Fluorescent Nanoparticles for Cell Imaging. Org Lett 2019; 21:8943-8947. [PMID: 31657580 DOI: 10.1021/acs.orglett.9b03258] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A novel macrocyclic amphiphile based on hybrid[4]arene containing tri(ethylene glycol) chains as the hydrophilic part and benzene rings as the hydrophobic part was synthesized. It self-assembled to produce nanoparticles and showed lower critical solution temperature behavior that was affected by its concentration and K+. Moreover, amphiphilic H can encapsulate dye G to form host-guest complexes H⊃G, accompanied by significant fluorescence enhancement. H⊃G can further self-assemble to form fluorescent nanoparticles that can be applied in cell imaging.
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Affiliation(s)
- Ming Li
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , P. R. China
| | - Hongzhen Bai
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , P. R. China
| | - Li Shao
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , P. R. China
| | - Bin Hua
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , P. R. China
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17
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Mosaiab T, Farr DC, Kiefel MJ, Houston TA. Carbohydrate-based nanocarriers and their application to target macrophages and deliver antimicrobial agents. Adv Drug Deliv Rev 2019; 151-152:94-129. [PMID: 31513827 DOI: 10.1016/j.addr.2019.09.002] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 09/02/2019] [Accepted: 09/05/2019] [Indexed: 12/18/2022]
Abstract
Many deadly infections are produced by microorganisms capable of sustained survival in macrophages. This reduces exposure to chemadrotherapy, prevents immune detection, and is akin to criminals hiding in police stations. Therefore, the use of glyco-nanoparticles (GNPs) as carriers of therapeutic agents is a burgeoning field. Such an approach can enhance the penetration of drugs into macrophages with specific carbohydrate targeting molecules on the nanocarrier to interact with macrophage lectins. Carbohydrates are natural biological molecules and the key constituents in a large variety of biological events such as cellular communication, infection, inflammation, enzyme trafficking, cellular migration, cancer metastasis and immune functions. The prominent characteristics of carbohydrates including biodegradability, biocompatibility, hydrophilicity and the highly specific interaction of targeting cell-surface receptors support their potential application to drug delivery systems (DDS). This review presents the 21st century development of carbohydrate-based nanocarriers for drug targeting of therapeutic agents for diseases localized in macrophages. The significance of natural carbohydrate-derived nanoparticles (GNPs) as anti-microbial drug carriers is highlighted in several areas of treatment including tuberculosis, salmonellosis, leishmaniasis, candidiasis, and HIV/AIDS.
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Affiliation(s)
- Tamim Mosaiab
- Institute for Glycomics, Griffith University, Gold Coast Campus, QLD 4222, Australia
| | - Dylan C Farr
- Institute for Glycomics, Griffith University, Gold Coast Campus, QLD 4222, Australia
| | - Milton J Kiefel
- Institute for Glycomics, Griffith University, Gold Coast Campus, QLD 4222, Australia.
| | - Todd A Houston
- Institute for Glycomics, Griffith University, Gold Coast Campus, QLD 4222, Australia.
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18
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Zhou LL, Chen JY, Li XY, Li H, Wang H, Wang DG, Kuang GC. Morphologies Transformation of BODIPY-Based Main Chain Supramolecular Polymers Amphiphiles: From Helical Nanowires to Nanosheets. Macromol Rapid Commun 2019; 40:e1900182. [PMID: 31087721 DOI: 10.1002/marc.201900182] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 05/05/2019] [Indexed: 12/23/2022]
Abstract
The aggregate morphologies of 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) main chain supramolecular polymer amphiphiles (SPA) are tunable by a fine balance of different non-covalent interactions. When the BODIPY segments and sodium cholate are mixed in aqueous solution, they form SPA by electrostatic attraction and hydrogen-bonds. This SPA displays helical nanowires' morphology. After the third component dimeric β-cyclodextrin (β-CD-C) is added, the hydrogen bonds between the cholate are substituted by the host-guest interaction between cholate and β-CD-C. Therefore, these SPA transform their aggregate morphologies into nanosheets' architecture. Therefore, a simple and effective way to regulate self-assembly by non-covalent forces is developed. This supramolecular method may provide an effective way to prepare various nanostructures in aqueous solution and show promising application in the future.
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Affiliation(s)
- Liang-Liang Zhou
- State Key Laboratory of Power Metallurgy, Central South University, Lushan South Road 932, Yuelu District Changsha, Hunan, 410083, P. R. China
| | - Jia-Yi Chen
- State Key Laboratory of Power Metallurgy, Central South University, Lushan South Road 932, Yuelu District Changsha, Hunan, 410083, P. R. China
| | - Xing-Yu Li
- State Key Laboratory of Power Metallurgy, Central South University, Lushan South Road 932, Yuelu District Changsha, Hunan, 410083, P. R. China
| | - Hang Li
- State Key Laboratory of Power Metallurgy, Central South University, Lushan South Road 932, Yuelu District Changsha, Hunan, 410083, P. R. China
| | - Huan Wang
- State Key Laboratory of Power Metallurgy, Central South University, Lushan South Road 932, Yuelu District Changsha, Hunan, 410083, P. R. China
| | - De-Gao Wang
- State Key Laboratory of Power Metallurgy, Central South University, Lushan South Road 932, Yuelu District Changsha, Hunan, 410083, P. R. China
| | - Gui-Chao Kuang
- State Key Laboratory of Power Metallurgy, Central South University, Lushan South Road 932, Yuelu District Changsha, Hunan, 410083, P. R. China
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19
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Chang Y, Jiao Y, Symons HE, Xu JF, Faul CFJ, Zhang X. Molecular engineering of polymeric supra-amphiphiles. Chem Soc Rev 2019; 48:989-1003. [PMID: 30681685 DOI: 10.1039/c8cs00806j] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Polymeric supra-amphiphiles are amphiphiles that are fabricated by linking polymeric segments, or small molecules and polymeric segments, by noncovalent interactions or dynamic covalent bonds. Compared with conventional amphiphilic polymers, polymeric supra-amphiphiles are advantageous in that they possess dynamic features and their preparation may be to some extent more facile. Moreover, polymeric supra-amphiphiles are endowed with richer structure and higher stability compared with small-molecule supra-amphiphiles. Owing to these properties, polymeric supra-amphiphiles have so far shown great promise as surfactants, nanocarriers and in therapies. In this tutorial review, recent work on polymeric supra-amphiphiles, from molecular architectures to functional assemblies, is presented and summarized. Different polymeric supra-amphiphile topologies and related applications are highlighted. By combining polymer chemistry with supramolecular chemistry and colloid science, we anticipate that the study of polymeric supra-amphiphiles will promote the continued development of the molecular engineering of functional supramolecular systems, and lead to practical applications, especially in drug delivery.
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Affiliation(s)
- Yincheng Chang
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, China.
| | - Yang Jiao
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, China.
| | - Henry E Symons
- School of Chemistry, University of Bristol, Bristol BS8 1TS, UK
| | - Jiang-Fei Xu
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, China.
| | - Charl F J Faul
- School of Chemistry, University of Bristol, Bristol BS8 1TS, UK
| | - Xi Zhang
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, China.
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20
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Nie WC, Song F, Xiao Q, Liu JJ, Wang XH, Zhou JL, Chen SC, Wang XL, Wang YZ. Orthogonal construction of dual dynamic covalent linkages toward an “AND” logic-gate acid-/salt-responsive block copolymer. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.11.014] [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]
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21
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Chen XM, Chen Y, Hou XF, Wu X, Gu BH, Liu Y. Sulfonato-β-Cyclodextrin Mediated Supramolecular Nanoparticle for Controlled Release of Berberine. ACS APPLIED MATERIALS & INTERFACES 2018; 10:24987-24992. [PMID: 30010314 DOI: 10.1021/acsami.8b08651] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A kind of supramolecular assemblies was constructed from two water-soluble and biocompatible saccharides, sulfonato-β-cyclodextrin (SCD) and chitosan, and characterized by dynamic light scattering (DLS), UV-vis, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The results showed that such nanoparticles presented good stability and controlled loading/release property, which enabled them as good drug carrier for berberine chloride (BE), a representative drug from traditional Chinese herbs. That is, the nanoparticles can load BE with high stability in a low-pH environment like that of the stomach but released BE when moved to a high-pH environment like that of the intestine.
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Affiliation(s)
- Xu-Man Chen
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , P. R. China
| | - Yong Chen
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Tianjin 300072 , P. R. China
| | - Xiao-Fang Hou
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , P. R. China
| | - Xuan Wu
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , P. R. China
| | - Bo-Han Gu
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , P. R. China
| | - Yu Liu
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Tianjin 300072 , P. R. China
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22
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Pu F, Ren J, Qu X. Nucleobases, nucleosides, and nucleotides: versatile biomolecules for generating functional nanomaterials. Chem Soc Rev 2017; 47:1285-1306. [PMID: 29265140 DOI: 10.1039/c7cs00673j] [Citation(s) in RCA: 130] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The incorporation of biomolecules into nanomaterials generates functional nanosystems with novel and advanced properties, presenting great potential for applications in various fields. Nucleobases, nucleosides and nucleotides, as building blocks of nucleic acids and biological coenzymes, constitute necessary components of the foundation of life. In recent years, as versatile biomolecules for the construction or regulation of functional nanomaterials, they have stimulated interest in researchers, due to their unique properties such as structural diversity, multiplex binding sites, self-assembly ability, stability, biocompatibility, and chirality. In this review, strategies for the synthesis of nanomaterials and the regulation of their morphologies and functions using nucleobases, nucleosides, and nucleotides as building blocks, templates or modulators are summarized alongside selected applications. The diverse applications range from sensing, bioimaging, and drug delivery to mimicking light-harvesting antenna, the construction of logic gates, and beyond. Furthermore, some perspectives and challenges in this emerging field are proposed. This review is directed toward the broader scientific community interested in biomolecule-based functional nanomaterials.
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Affiliation(s)
- Fang Pu
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resources Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
| | - Jinsong Ren
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resources Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
| | - Xiaogang Qu
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resources Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
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Abstract
AbstractCancer immunotherapy based on tumor vaccine is very promising and intriguing for carcinoma treatment. Herein, antitumor nanovaccines consisting of self-assembled chitosan (CS) nanoparticles and two-component mucin1 (MUC1) glycopeptide antigens were reported. Two different kinds of polyanionic electrolyte [sodium tripolyphosphate (TPP) and γ-poly-L-glutamic acid (γ-PGA)] were combined with chitosan polymers to fabricate the diameter of nearly 400–500 nm CS nanoparticles by electrostatic interactions. The nanovaccines were constructed by physically mixing MUC1 glycopeptide antigens with CS nanoparticles, which reduced vaccine constructing complexity compared with traditional chemical total synthetic vaccines. Immunological studies revealed that the CS/γ-PGA nanoparticle could dramatically enhance the immunogenicity of peptide epitope and produce significantly high titers of IgG antibody which was even better than Freund’s adjuvant-containing vaccines.
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24
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Yu L, Su R, Wang B, Zhang L, Zou Y, Zhang J, Gao L. Prediction of Novel Drugs for Hepatocellular Carcinoma Based on Multi-Source Random Walk. IEEE/ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS 2017; 14:966-977. [PMID: 27076463 DOI: 10.1109/tcbb.2016.2550453] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Computational approaches for predicting drug-disease associations by integrating gene expression and biological network provide great insights to the complex relationships among drugs, targets, disease genes, and diseases at a system level. Hepatocellular carcinoma (HCC) is one of the most common malignant tumors with a high rate of morbidity and mortality. We provide an integrative framework to predict novel d rugs for HCC based on multi-source random walk (PD-MRW). Firstly, based on gene expression and protein interaction network, we construct a gene-gene weighted i nteraction network (GWIN). Then, based on multi-source random walk in GWIN, we build a drug-drug similarity network. Finally, based on the known drugs for HCC, we score all drugs in the drug-drug similarity network. The robustness of our predictions, their overlap with those reported in Comparative Toxicogenomics Database (CTD) and literatures, and their enriched KEGG pathway demonstrate our approach can effectively identify new drug indications. Specifically, regorafenib (Rank = 9 in top-20 list) is proven to be effective in Phase I and II clinical trials of HCC, and the Phase III trial is ongoing. And, it has 11 overlapping pathways with HCC with lower p-values. Focusing on a particular disease, we believe our approach is more accurate and possesses better scalability.
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25
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Pessoa ACSN, Sipoli CC, de la Torre LG. Effects of diffusion and mixing pattern on microfluidic-assisted synthesis of chitosan/ATP nanoparticles. LAB ON A CHIP 2017; 17:2281-2293. [PMID: 28608886 DOI: 10.1039/c7lc00291b] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Chitosan (CHI) nanoparticles present promising applications in pharmaceutical and biomedical fields, including drug and gene delivery. Among different approaches, microfluidics emerges as a resourceful tool for nanoparticle production in low-cost, reproducible processes with predictable fluid dynamics. However, microfluidic-assisted synthesis of CHI nanoparticles has not been widely explored in the literature. In this context, we systematically investigated different process parameters that influence the synthesis of CHI/ATP nanoparticles. We highlight the effects and limitations of diffusion and distinct mixing patterns developed through the microchannels on the final physicochemical characteristics of CHI/ATP nanoparticles produced. To address these hurdles, here we describe a simple, feasible, and reproducible method for the production of CHI/ATP nanoparticles. This strategy enables the development of a continuous and homogeneous production process for CHI nanoparticles to be applied in the most varied fields of research.
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Affiliation(s)
- Amanda C S N Pessoa
- University of Campinas, UNICAMP, School of Chemical Engineering, PO BOX 6066 13083-852, Campinas, SP, Brazil.
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26
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Hierarchical Self-Assembly of Amino Acid Derivatives into Enzyme-Responsive Luminescent Gel. CHEMOSENSORS 2017. [DOI: 10.3390/chemosensors5010006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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27
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Liu M, Du H, Zhang W, Zhai G. Internal stimuli-responsive nanocarriers for drug delivery: Design strategies and applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 71:1267-1280. [DOI: 10.1016/j.msec.2016.11.030] [Citation(s) in RCA: 130] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Revised: 10/26/2016] [Accepted: 11/08/2016] [Indexed: 11/29/2022]
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28
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Ferreira LMB, Kurokawa SSS, Alonso JD, Cassimiro DL, Souza ALRD, Fonseca M, Sarmento VHV, Regasini LO, Ribeiro CA. Structural and Thermal Behavior of Meglumine-Based Supra-Amphiphiles in Bulk and Assembled in Water. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:11878-11887. [PMID: 27783524 DOI: 10.1021/acs.langmuir.6b03176] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Supra-amphiphiles are a new class of building blocks that are fabricated by means of noncovalent forces. In this work, we studied the formation of supra-amphiphiles by combining hydrophilic meglumine (MEG) with hydrophobic maleated castor oils (MACO). Spectroscopic analysis demonstrated that ionic interactions are the main driving force in the fabrication of these materials. Subsequently, supra-amphiphile/water systems were examined for their structure and water behavior by polarized optical microscopy (POM), small-angle X-ray scattering (SAXS), and differential scanning calorimetry (DSC). Micellar and lamellar liquid crystalline phases were observed. Finally, we observed that the supra-amphiphiles produced using an excess of MEG retain a large amount of water. As bound water plays an important role in biointerfacial interactions, we anticipate that these materials will display a pronounced potential for biomedical applications.
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Affiliation(s)
- Leonardo M B Ferreira
- School of Pharmaceutical Sciences, São Paulo State University , Rodovia Araraquara-Jau Km 1, Araraquara, SP 14801-902, Brazil
- Chemistry Institute, São Paulo State University , R. Prof. Francisco Degni, s/n, Araraquara, SP 14800-060, Brazil
| | - Suzy S S Kurokawa
- Chemistry Institute, São Paulo State University , R. Prof. Francisco Degni, s/n, Araraquara, SP 14800-060, Brazil
| | - Jovan D Alonso
- School of Pharmaceutical Sciences, São Paulo State University , Rodovia Araraquara-Jau Km 1, Araraquara, SP 14801-902, Brazil
| | - Douglas Lopes Cassimiro
- Chemistry Institute, São Paulo State University , R. Prof. Francisco Degni, s/n, Araraquara, SP 14800-060, Brazil
| | - Ana Luiza Ribeiro de Souza
- Chemistry Institute, São Paulo State University , R. Prof. Francisco Degni, s/n, Araraquara, SP 14800-060, Brazil
| | - Mariana Fonseca
- Chemistry Institute, São Paulo State University , R. Prof. Francisco Degni, s/n, Araraquara, SP 14800-060, Brazil
| | - Victor Hugo V Sarmento
- Department of Chemistry, Federal University of Sergipe, UFS , Vereador Olimpio Grande Avenue, Itabaiana, SE 49500-000, Brazil
| | - Luis Octávio Regasini
- Department of Chemistry and Environmental Sciences, IBILCE, São Paulo State University , R. Cristóvão Colombo, 2265, São José do Rio Preto, SP 15054-000, Brazil
| | - Clóvis Augusto Ribeiro
- Chemistry Institute, São Paulo State University , R. Prof. Francisco Degni, s/n, Araraquara, SP 14800-060, Brazil
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29
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Choi YS, Cho DY, Lee HK, Cho JK, Lee DH, Bae YH, Lee JK, Kang HC. Enhanced cell survival of pH-sensitive bioenergetic nucleotide nanoparticles in energy/oxygen-depleted cells and their intranasal delivery for reduced brain infarction. Acta Biomater 2016; 41:147-60. [PMID: 27245429 DOI: 10.1016/j.actbio.2016.05.037] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2015] [Revised: 05/07/2016] [Accepted: 05/27/2016] [Indexed: 01/23/2023]
Abstract
UNLABELLED Nucleotides (NTs) (e.g., adenosine triphosphate) are very important molecules in the body. They generate bioenergy through phosphate group release, are involved in various biological processes, and are used to treat various diseases that involve energy depletion. However, their highly anionic characteristics might limit delivery of exogenous NTs into the cell, which is required to realize their functions as bioenergy sources. In this study, ionic complexation between Ca(2+) and NT phosphates was used to form Ca(2+)/NT nanocomplexes (NCs), and branched polyethyleneimine (bPEI1.8kDa) was coated on the surface of Ca(2+)/NT NCs via a simple electrostatic coating. The resultant Ca(2+)/NT/bPEI1.8kDa NCs were approximately 10-25nm in size and had positive zeta-potentials, and their NT loading efficiency and content were approximately 60-75% and 10-20 wt%, respectively. Faster NT release from Ca(2+)/NT/bPEI1.8kDa NCs was induced by lower pH and by NTs with fewer phosphates. Reductions in cell viability in response to low temperature, serum deprivation, or hypoxia were recovered by NT delivery in Ca(2+)/NT/bPEI1.8kDa NCs. In a middle cerebral artery occlusion (MCAO)-induced post-ischemic rat model, the BBB (blood brain barrier)-detoured intranasal administration of Ca(2+)/ATP/bPEI1.8kDa NCs induced a better reduction in infarct volume and neurological deficits than did free ATP. In conclusion, intracellular NT delivery using Ca(2+)/NT/bPEI1.8kDa NCs might potentially enhance cell survival and reduce infarction in energy-/oxygen-depleted environments. STATEMENT OF SIGNIFICANCE This study describes bioenergetic nucleotide delivery systems and their preparation, physicochemical characterization, and biological characterization both in vitro and in vivo. Nucleotides, such as adenosine triphosphate (ATP) and guanosine triphosphate (GTP), are very important signaling and energy molecules in the body. However, research on these nucleotides using nanosized carriers has been very limited. Liposomal ATP delivery has been reported in heart and renal ischemia studies. Notably, although this delivery system has potential in energy-depleted environments (e.g., low temperature, serum deprivation, and hypoxia) and in brain ischemia, studies are lacking regarding these systems. Thus, we designed polycation-shielded Ca(2+)/nucleotide nanocomplexes using simple mixing, which produced 10- to 25-nm-sized particles. The nanocomplexes released nucleotides in response to acidic pH, and they enhanced cell survival rates under conditions of low temperature, serum deprivation, or hypoxia. Importantly, the nanocomplexes reduced cerebral infarct volumes in a post-ischemic rat model. Thus, our study demonstrates that a novel nucleotide nanocomplex could have potential for preventing or treating diseases that involve energy depletion, such as cardiac, cerebral, and retinal ischemia, and liver failure.
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Affiliation(s)
- Yeon Su Choi
- Department of Pharmacy, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon, Gyeonggi-do 14662, Republic of Korea
| | - Dong Youl Cho
- Department of Pharmacy, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon, Gyeonggi-do 14662, Republic of Korea
| | - Hye-Kyung Lee
- Department of Anatomy and Inha Research Institute of Medical Sciences, Inha University School of Medicine, 100 Inha-ro, Nam-gu, Incheon 22212, Republic of Korea
| | - Jung-Kyo Cho
- Department of Pharmacy, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon, Gyeonggi-do 14662, Republic of Korea
| | - Don Haeng Lee
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Inha University Hospital, 27 Inhang-ro, Jung-gu, Incheon 22332, Republic of Korea; Utah-Inha Drug Delivery Systems and Advanced Therapeutics Research Center, 9 Songdomirae-ro, Yeonsu-gu, Incheon 21988, Republic of Korea
| | - You Han Bae
- Utah-Inha Drug Delivery Systems and Advanced Therapeutics Research Center, 9 Songdomirae-ro, Yeonsu-gu, Incheon 21988, Republic of Korea; Department of Pharmaceutics and Pharmaceutical Chemistry, The University of Utah, 30 S 2000 E, Rm 2972, Salt Lake City, UT 84112, USA
| | - Ja-Kyeong Lee
- Department of Anatomy and Inha Research Institute of Medical Sciences, Inha University School of Medicine, 100 Inha-ro, Nam-gu, Incheon 22212, Republic of Korea.
| | - Han Chang Kang
- Department of Pharmacy, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon, Gyeonggi-do 14662, Republic of Korea.
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30
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Gaynanova GA, Bekmukhametova AM, Kashapov RR, Ziganshina AY, Zakharova LY. Superamphiphilic nanocontainers based on the resorcinarene – Cationic surfactant system: Synergetic self-assembling behavior. Chem Phys Lett 2016. [DOI: 10.1016/j.cplett.2016.04.021] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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31
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Kang Y, Cai Z, Tang X, Liu K, Wang G, Zhang X. An Amylase-Responsive Bolaform Supra-Amphiphile. ACS APPLIED MATERIALS & INTERFACES 2016; 8:4927-33. [PMID: 26824642 DOI: 10.1021/acsami.5b12573] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
An amylase-responsive bolaform supra-amphiphile was constructed by the complexation between β-cyclodextrin and a bolaform covalent amphiphile on the basis of host-guest interaction. The bolaform covalent amphiphile could self-assemble in solution, forming sheet-like aggregates and displaying weak fluorescence because of aggregation-induced quenching. The addition of β-cyclodextrin led to the formation of the bolaform supra-amphiphile, prohibiting the aggregation of the bolaform covalent amphiphile and accompanying with the significant recovery of fluorescence. Upon the addition of α-amylase, with the degradation β-cyclodextrin, the fluorescence of the supra-amphiphile would quench gradually and significantly, and the quenching rate linearly correlated to the concentration of α-amylase. This study enriches the field of supra-amphiphiles on the basis of noncovalent interactions, and moreover, it may provide a facile way to estimate the activity of α-amylase.
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Affiliation(s)
- Yuetong Kang
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
| | - Zhengguo Cai
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
| | - Xiaoyan Tang
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
| | - Kai Liu
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
| | - Guangtong Wang
- Key Laboratory of Microsystems and Micronanostructures Manufacturing (Harbin Institute of Technology), Ministry of Education, Harbin 150080, P. R. China
| | - Xi Zhang
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University , Beijing 100084, P. R. China
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Shao L, Hua B, Yang J, Yu G. Construction of a photo-responsive supra-amphiphile based on a tetracationic cyclobis(paraquat-p-phenylene) and an azobenzene-containing guest in water. Chem Commun (Camb) 2016; 52:6573-6. [DOI: 10.1039/c6cc02434c] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A photo-responsive supra-amphiphile was constructed based on the host–guest molecular recognition between a tetracation cyclophane cyclobis(paraquat-p-phenylene) host and an azobenzene-containing guest.
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Affiliation(s)
- Li Shao
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- P. R. China
| | - Bin Hua
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- P. R. China
| | - Jie Yang
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- P. R. China
| | - Guocan Yu
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- P. R. China
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33
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Liu YC, Wang YY, Tian HW, Liu Y, Guo DS. Fluorescent nanoassemblies between tetraphenylethenes and sulfonatocalixarenes: a systematic study of calixarene-induced aggregation. Org Chem Front 2016. [DOI: 10.1039/c5qo00326a] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We demonstrated a systematic study of calixarene-induced aggregation (CIA) that how and to what extent the structures of hosts and guests affect the assembly behavior by fluorescence spectroscopy.
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Affiliation(s)
- Yan-Cen Liu
- Department of Chemistry
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering
- Nankai University
- Tianjin 300071
| | - Yu-Ying Wang
- Department of Chemistry
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering
- Nankai University
- Tianjin 300071
| | - Han-Wen Tian
- Department of Chemistry
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering
- Nankai University
- Tianjin 300071
| | - Yu Liu
- Department of Chemistry
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering
- Nankai University
- Tianjin 300071
| | - Dong-Sheng Guo
- Department of Chemistry
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering
- Nankai University
- Tianjin 300071
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34
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Shi RJ, Chen Y, Hou XF, Liu Y. Effect of head/tail groups on molecular induced aggregation of polycationic cyclodextrin towards anionic surfactants. RSC Adv 2016. [DOI: 10.1039/c5ra28043e] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A polycationic cyclodextrin significantly decreased the critical aggregation concentrations of anionic surfactants with different head/tail groups by a factor of 14–467 through the molecular induced aggregation.
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Affiliation(s)
- Rui-Juan Shi
- Department of Chemistry
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering
- Nankai University
- Tianjin 300071
| | - Yong Chen
- Department of Chemistry
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering
- Nankai University
- Tianjin 300071
| | - Xiao-Fang Hou
- Department of Chemistry
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering
- Nankai University
- Tianjin 300071
| | - Yu Liu
- Department of Chemistry
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering
- Nankai University
- Tianjin 300071
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35
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Hun Yeon J, Chan KYT, Wong TC, Chan K, Sutherland MR, Ismagilov RF, Pryzdial ELG, Kastrup CJ. A biochemical network can control formation of a synthetic material by sensing numerous specific stimuli. Sci Rep 2015; 5:10274. [PMID: 25975772 PMCID: PMC4432564 DOI: 10.1038/srep10274] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Accepted: 04/10/2015] [Indexed: 11/29/2022] Open
Abstract
Developing bio-compatible smart materials that assemble in response to environmental cues requires strategies that can discriminate multiple specific stimuli in a complex milieu. Synthetic materials have yet to achieve this level of sensitivity, which would emulate the highly evolved and tailored reaction networks of complex biological systems. Here we show that the output of a naturally occurring network can be replaced with a synthetic material. Exploiting the blood coagulation system as an exquisite biological sensor, the fibrin clot end-product was replaced with a synthetic material under the biological control of a precisely regulated cross-linking enzyme. The functions of the coagulation network remained intact when the material was incorporated. Clot-like polymerization was induced in indirect response to distinct small molecules, phospholipids, enzymes, cells, viruses, an inorganic solid, a polyphenol, a polysaccharide, and a membrane protein. This strategy demonstrates for the first time that an existing stimulus-responsive biological network can be used to control the formation of a synthetic material by diverse classes of physiological triggers.
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Affiliation(s)
- Ju Hun Yeon
- Michael Smith Laboratories and Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC, Canada
| | - Karen Y T Chan
- Michael Smith Laboratories and Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC, Canada
| | - Ting-Chia Wong
- Michael Smith Laboratories and Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC, Canada
| | - Kelvin Chan
- Michael Smith Laboratories and Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC, Canada
| | - Michael R Sutherland
- 1] Centre for Innovation, Canadian Blood Services, Vancouver, BC, Canada [2] Centre for Blood Research and Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Rustem F Ismagilov
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, USA
| | - Edward L G Pryzdial
- 1] Centre for Innovation, Canadian Blood Services, Vancouver, BC, Canada [2] Centre for Blood Research and Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Christian J Kastrup
- Michael Smith Laboratories and Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC, Canada
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36
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Peng S, Wang K, Guo DS, Liu Y. Supramolecular polymeric vesicles formed by p-sulfonatocalix[4]arene and chitosan with multistimuli responses. SOFT MATTER 2015; 11:290-296. [PMID: 25408541 DOI: 10.1039/c4sm02170c] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Supramolecular polymeric vesicles are constructed by the complexation of p-sulfonatocalix[4]arene and chitosan, where the multivalent electrostatic interactions between the anionic sulfonate tetramer and cationic polyammoniums served as the dominant driving force. The supra-amphiphilic assemblies are disassembled upon exposure to a pH stimulus since the partial deprotonation of chitosan accompanied by a pH increase. Adding a competitive guest can also disrupt the assembly, representing the host-guest inclusion response. Interestingly, an abnormal temperature-response is observed, possibly as a result of the temperature-directed fusion process.
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Affiliation(s)
- Shu Peng
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, P. R. China.
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37
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Ding Y, Kang Y, Zhang X. Enzyme-responsive polymer assemblies constructed through covalent synthesis and supramolecular strategy. Chem Commun (Camb) 2015; 51:996-1003. [DOI: 10.1039/c4cc05878j] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Enzyme-responsive polymer assemblies have continually gained progress through the introduction of new enzymes and the development of new strategies for their preparation. In addition, kinetic studies will pave the way for tuning the response rate in a controlled manner.
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Affiliation(s)
- Yan Ding
- Key Lab of Organic Optoelectronics and Molecular Engineering
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- P. R. China
| | - Yuetong Kang
- Key Lab of Organic Optoelectronics and Molecular Engineering
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- P. R. China
| | - Xi Zhang
- Key Lab of Organic Optoelectronics and Molecular Engineering
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- P. R. China
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38
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Abstract
Side-chain l-methionine containing polymers show the ability to donate a methyl group in the absence of a methyltransferase enzyme, which confirms their enzyme-like activity.
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Affiliation(s)
- Lakshmi Priya Datta
- Polymer Research Centre
- Department of Chemical Sciences
- Indian Institute of Science Education and Research Kolkata
- Mohanpur 741246, Nadia
- India
| | - Binoy Maiti
- Polymer Research Centre
- Department of Chemical Sciences
- Indian Institute of Science Education and Research Kolkata
- Mohanpur 741246, Nadia
- India
| | - Priyadarsi De
- Polymer Research Centre
- Department of Chemical Sciences
- Indian Institute of Science Education and Research Kolkata
- Mohanpur 741246, Nadia
- India
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39
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Kazemzadeh-Narbat M, Annabi N, Tamayol A, Oklu R, Ghanem A, Khademhosseini A. Adenosine-associated delivery systems. J Drug Target 2015; 23:580-96. [PMID: 26453156 PMCID: PMC4863639 DOI: 10.3109/1061186x.2015.1058803] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Adenosine is a naturally occurring purine nucleoside in every cell. Many critical treatments such as modulating irregular heartbeat (arrhythmias), regulation of central nervous system (CNS) activity and inhibiting seizural episodes can be carried out using adenosine. Despite the significant potential therapeutic impact of adenosine and its derivatives, the severe side effects caused by their systemic administration have significantly limited their clinical use. In addition, due to adenosine's extremely short half-life in human blood (<10 s), there is an unmet need for sustained delivery systems to enhance efficacy and reduce side effects. In this article, various adenosine delivery techniques, including encapsulation into biodegradable polymers, cell-based delivery, implantable biomaterials and mechanical-based delivery systems, are critically reviewed and the existing challenges are highlighted.
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Affiliation(s)
- Mehdi Kazemzadeh-Narbat
- Biomaterials Innovation Research Center, Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02139, MA, USA
- Harvard-Massachusetts Institute of Technology Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge 02139, MA, USA
- Department of Process Engineering and Applied Science, Dalhousie University, Halifax, B3H 4R2, Canada
| | - Nasim Annabi
- Biomaterials Innovation Research Center, Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02139, MA, USA
- Harvard-Massachusetts Institute of Technology Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge 02139, MA, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston 02115, MA, USA
- Department of Chemical Engineering, Northeastern University, Boston 02115, MA, USA
| | - Ali Tamayol
- Biomaterials Innovation Research Center, Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02139, MA, USA
- Harvard-Massachusetts Institute of Technology Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge 02139, MA, USA
| | - Rahmi Oklu
- Massachusetts General Hospital, Harvard Medical School, Division of Interventional Radiology, Boston 02114, MA, USA
| | - Amyl Ghanem
- Department of Process Engineering and Applied Science, Dalhousie University, Halifax, B3H 4R2, Canada
| | - Ali Khademhosseini
- Biomaterials Innovation Research Center, Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02139, MA, USA
- Harvard-Massachusetts Institute of Technology Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge 02139, MA, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston 02115, MA, USA
- Department of Physics, King Abdulaziz University, Jeddah 21569, Saudi Arabia
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40
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Mortato M, Argentiere S, De Gregorio GL, Gigli G, Blasi L. Enzyme-responsive multifunctional surfaces for controlled uptake/release of (bio)molecules. Colloids Surf B Biointerfaces 2014; 123:89-95. [PMID: 25280608 DOI: 10.1016/j.colsurfb.2014.08.034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Revised: 07/31/2014] [Accepted: 08/25/2014] [Indexed: 12/26/2022]
Abstract
The current trend in the development of biomaterials is towards bioactive and biodegradable systems. In particular, enzyme-responsive structures are useful tools to realize biodegradable surfaces for the controlled delivery of biomolecules/drugs through a triggered surface erosion process. Up to now, enzyme-responsive structures have been designed by covalent linkage between synthetic polymers and biodegradable functionalities that are responsive to chemical and biological cues (i.e. proteases or pH) [1-4]. Here, we present a novel approach to achieve enzyme-responsive surface-attached networks by exploiting the non-covalent interaction between streptavidin and biotin. The functional component of this three-dimensional (3D) structure is a layer of biotinylated peptides that are degraded by the action of specific proteases. The system was stable under typical physiological conditions; however, it was efficiently degraded upon enzyme exposure. Further, the controlled release of biomolecules and drugs--previously entrapped into the surface-attached network--was demonstrated to occur as a consequence of the enzymatic cleavage. This versatile approach does not require complex chemical procedures. Interestingly, it can be easily adapted to different enzyme-peptide partners and therefore is very attractive for tissue replacement, drug delivery and biosensing.
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Affiliation(s)
- Mariangela Mortato
- University of Salento, Superior School ISUFI, Arnesano, I-73100 Lecce, Italy; CNR-Institute of Nanoscience, NNL-Lecce, via Arnesano, I-73100 Lecce, Italy
| | | | - Gian Luca De Gregorio
- Center for Biomolecular Nanotechnologies - Fondazione Istituto Italiano di Tecnologia, via Barsanti, 73010 Arnesano Lecce, Italy
| | - Giuseppe Gigli
- University of Salento, Superior School ISUFI, Arnesano, I-73100 Lecce, Italy; CNR-Institute of Nanoscience, NNL-Lecce, via Arnesano, I-73100 Lecce, Italy; Center for Biomolecular Nanotechnologies - Fondazione Istituto Italiano di Tecnologia, via Barsanti, 73010 Arnesano Lecce, Italy
| | - Laura Blasi
- CNR-Institute of Nanoscience, NNL-Lecce, via Arnesano, I-73100 Lecce, Italy.
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41
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Cho H, Cho YY, Bae YH, Kang HC. Nucleotides as nontoxic endogenous endosomolytic agents in drug delivery. Adv Healthc Mater 2014; 3:1007-14. [PMID: 24535942 DOI: 10.1002/adhm.201400008] [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: 01/06/2014] [Revised: 01/27/2014] [Indexed: 11/07/2022]
Abstract
Nontoxic endogenous nucleotides such as adenosine triphosphate and guanosine triphosphate have secondary phosphate groups, causing proton-buffering capacity and/or hemolytic activity in endolysosomal pH ranges. Nucleotides co-delivered in single polymeric pDNA nanocarrier induce highly enhanced transfection efficiency with negligible cytotoxicity due to their endosomolytic functions.
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Affiliation(s)
- Hana Cho
- Department of Pharmacy and Integrated Research; Institute of Pharmaceutical Sciences; College of Pharmacy; The Catholic University of Korea; 43 Jibong-ro Wonmi-gu, Bucheon-si Gyeonggi-do 420-743 Republic of Korea
| | - Yong-Yeon Cho
- Department of Pharmacy and Integrated Research; Institute of Pharmaceutical Sciences; College of Pharmacy; The Catholic University of Korea; 43 Jibong-ro Wonmi-gu, Bucheon-si Gyeonggi-do 420-743 Republic of Korea
| | - You Han Bae
- Department of Pharmaceutics and Pharmaceutical Chemistry; The University of Utah; 30 S 2000 E, Rm 2972 Salt Lake City UT 84112 USA
- Utah-Inha Drug Delivery Systems (DDS) and Advanced Therapeutics Research Center; 7-50 Songdo-dong Yeonsu-gu Incheon 406-840 Republic of Korea
| | - Han Chang Kang
- Department of Pharmacy and Integrated Research; Institute of Pharmaceutical Sciences; College of Pharmacy; The Catholic University of Korea; 43 Jibong-ro Wonmi-gu, Bucheon-si Gyeonggi-do 420-743 Republic of Korea
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42
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Zhang J, Gao J, Chen M, Yang Z. Using phosphatases to generate self-assembled nanostructures and their applications. Antioxid Redox Signal 2014; 20:2179-90. [PMID: 24180369 DOI: 10.1089/ars.2013.5701] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
SIGNIFICANCE Self-assembled nanostructures have received significant research interest in the last decade, because they show great promise for drug delivery, diagnostics, tissue engineering, and regenerative medicine. Recently, the development of enzyme-assisted self-assembled nanostructures has become an active area of research because of the attractive characteristics of enzymes, such as ready availability, good biocompatibility, and high selectivity and specificity. Phosphatases, taking part in approximately 30% of intra- and extracellular activities, have been widely employed as triggers for the generation of self-assembled biomaterials, including static, reversible, and dynamic systems. RECENT ADVANCES In this review, we highlight the generation of self-assembled systems of synthetic molecules using phosphatases and their potential applications. We first summarize the generation of different kinds of static and dynamic self-assembled structures, including nanofibers and nanoparticles, by the dephosphorylation reaction catalyzed by phosphatases. The antagonistic interactions of phosphatases and kinases make this system one of the most attractive candidates for biotransformation. Diverse biomedical applications of phosphatases/kinases-involved self-assembled systems have been extensively explored in fields such as bacterial growth inhibition, drug delivery, imaging of self-assembly inside live cells, and biomineralization. We then summarize the reversible self-assembled systems controlled by the pair enzymes of phosphatases/kinases, in which different morphologies of self-assembled nanostructures can be achieved and switched by the pair enzymes. These phosphatase-involved self-assembled systems can be used for many applications such as controlled drug delivery, enzyme activity imaging, and cancer cell inhibition. CRITICAL ISSUES Phosphatases are over-expressed in several cancer cell lines. Their detection is, therefore, important for cancer diagnostics. Nanomaterials that can respond to abnormal phosphatase activities also have big potential for the delivery of therapeutic agents on demand. The study of reversible self-assembling systems control by the phosphatase/kinase switch may provide useful insights to understand the working principle of this important biological switch. FUTURE DIRECTIONS The design principle mentioned in this review may stimulate the generation of smart self-assembled systems by other enzymes or other pairs of enzymes. The combination of environment-sensitive fluorescence property of fluorescent dyes and self-assembling molecules that can respond to enzymes may lead to the development of smart probes to monitor important biological processes.
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Affiliation(s)
- Jianwu Zhang
- 1 Department of Cardiology, Zhujiang Hospital of Southern Medical University , Guangzhou, People's Republic of China
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43
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Xu X, Li Y, Li H, Liu R, Sheng M, He B, Gu Z. Smart nanovehicles based on pH-triggered disassembly of supramolecular peptide-amphiphiles for efficient intracellular drug delivery. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2014; 10:1133-1140. [PMID: 24155260 DOI: 10.1002/smll.201301885] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Revised: 08/02/2013] [Indexed: 06/02/2023]
Abstract
A novel type of nanovehicle (NV) based on stimuli-responsive supramolecular peptide-amphiphiles (SPAs, dendritic poly (L-lysine) non-covalently linked poly (L-leucine)) is developed for intracellular drug delivery. To determine the pH-dependent mechanism, the supramolecular peptide-amphiphile system (SPAS) is investigated at different pH conditions using a variety of physical and chemical approaches. The pH-triggered disassembly of SPAS can be attributed to the disappearance of non-covalent interactions within SPAs around the isoelectric point of poly (L-leucine). SPAS is found to encapsulate guest molecules at pH 7.4 but release them at pH 6.2. In this way, SPAS is able to act as a smart NV to deliver its target to tumor cells using intracellular pH as a trigger. The DOX-loaded NVs are approximately 150 nm in size. In vitro release profiles and confocal laser scanning microscopy (CLSM) images of HepG2 cells confirm that lower pH conditions can trigger the disassembly of NVs and so achieve pH-dependent intracellular DOX delivery. In vitro cytotoxicity of the DOX-loaded NVs to HepG2 cells demonstrate that the smart NVs enhance the efficacy of hydrophobic DOX. Fluorescence-activated cell sorting (FACS) and CLSM results show that the NVs can enhance the endocytosis of DOX into HepG2 cells considerably and deliver DOX to the nuclei.
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Affiliation(s)
- Xianghui Xu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, Sichuan, 610064, PR China
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44
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Wang K, Guo DS, Zhao MY, Liu Y. A Supramolecular Vesicle Based on the Complexation ofp-Sulfonatocalixarene with Protamine and its Trypsin-Triggered Controllable-Release Properties. Chemistry 2014; 22:1475-83. [DOI: 10.1002/chem.201303963] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2013] [Revised: 12/18/2013] [Indexed: 01/12/2023]
Affiliation(s)
- Kui Wang
- Department of Chemistry; State Key Laboratory of Elemento-Organic Chemistry; Nankai University; Tianjin 300071 P.R. China
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid; Functional Material Chemistry; Ministry of Education; College of Chemistry; Tianjin Normal University; Tianjin 300387 P.R. China
| | - Dong-Sheng Guo
- Department of Chemistry; State Key Laboratory of Elemento-Organic Chemistry; Nankai University; Tianjin 300071 P.R. China
| | - Meng-Yao Zhao
- Department of Chemistry; State Key Laboratory of Elemento-Organic Chemistry; Nankai University; Tianjin 300071 P.R. China
| | - Yu Liu
- Department of Chemistry; State Key Laboratory of Elemento-Organic Chemistry; Nankai University; Tianjin 300071 P.R. China
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45
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Wang D, Tong G, Dong R, Zhou Y, Shen J, Zhu X. Self-assembly of supramolecularly engineered polymers and their biomedical applications. Chem Commun (Camb) 2014; 50:11994-2017. [DOI: 10.1039/c4cc03155e] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Self-assembly behavior of supramolecularly engineered polymers and their biomedical applications have been summarized.
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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
| | - Gangsheng Tong
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- 200240 Shanghai, P. R. China
- Instrumental Analysis Center
| | - Ruijiao Dong
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- 200240 Shanghai, P. R. China
| | - Yongfeng Zhou
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- 200240 Shanghai, P. R. China
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
| | - Jian Shen
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Biomedical Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
- 210046 Nanjing, P. R. China
| | - Xinyuan Zhu
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- 200240 Shanghai, P. R. China
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
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46
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Liu K, Kang Y, Wang Z, Zhang X. 25th anniversary article: reversible and adaptive functional supramolecular materials: "noncovalent interaction" matters. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2013; 25:5530-5548. [PMID: 24038309 DOI: 10.1002/adma201302015] [Citation(s) in RCA: 212] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2013] [Revised: 06/26/2013] [Indexed: 06/02/2023]
Abstract
Supramolecular materials held together by noncovalent interactions, such as hydrogen bonding, host-guest interactions, and electrostatic interactions, have great potential in material science. The unique reversibility and adaptivity of noncovalent intreractions have brought about fascinating new functions that are not available by their covalent counterparts and have greatly enriched the realm of functional materials. This review article aims to highlight the very recent and important progresses in the area of functional supramoleuclar materials, focusing on adaptive mechanical materials, smart sensors with enhanced selectivity, soft luminescent and electronic nanomaterials, and biomimetic and biomedical materials with tailored structures and functions. We cannot write a complete account of all the interesting work in this area in one article, but we hope that it can in a way reflect the current situation and future trends in this prosperously developing area of functional supramolecular materials.
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Affiliation(s)
- Kai Liu
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, PR China
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47
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Xu H, Chen D, Wang S, Zhou Y, Sun J, Zhang W, Zhang X. Macromolecular self-assembly and nanotechnology in China. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2013; 371:20120305. [PMID: 24000357 DOI: 10.1098/rsta.2012.0305] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Macromolecular self-assembly refers to the assembly of synthetic polymers, biomacromolecules and supra-molecular polymers. Through macromolecular self-assembly, the fabrication of ordered structures at different scales, the control of the dynamic assembly process and the integrations of advanced functions can be realized. Macromolecular self-assembly and nanotechnology research in China has developed rapidly, from the early periods of follow-up at low to high level and progress into a stage of innovation and creation. This review selects some representative progresses achieved recently, aiming to reflect the current status of macromolecular self-assembly and nanotechnology research in China.
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Affiliation(s)
- Huaping Xu
- Key Laboratory of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, People's Republic of China.
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48
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Galactosylated chitosan oligosaccharide nanoparticles for hepatocellular carcinoma cell-targeted delivery of adenosine triphosphate. Int J Mol Sci 2013. [PMID: 23899789 DOI: 10.3390/ijm5140815755] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Nanoparticles composed of galactosylated chitosan oligosaccharide (Gal-CSO) and adenosine triphosphate (ATP) were prepared for hepatocellular carcinoma cell-specific uptake, and the characteristics of Gal-CSO/ATP nanoparticles were evaluated. CSO/ATP nanoparticles were prepared as a control. The average diameter and zeta potential of Gal-CSO/ATP nanoparticles were 51.03 ± 3.26 nm and 30.50 ± 1.25 mV, respectively, suggesting suitable properties for a drug delivery system. Subsequently, the cytotoxicity of Gal-CSO/ATP nanoparticles were examined by the methyl tetrazolium (MTT) assay, and the half maximal inhibitory concentration (IC50) values were calculated with HepG2 (human hepatocellular carcinoma cell line) cells. The results showed that the cytotoxic effect of nanoparticles on HepG2 cells was low. In the meantime, it was also found that the Gal-CSO/ATP nanoparticles could be uptaken by HepG2 cells, due to expression of the asialoglycoprotein receptor (ASGP-R) on their surfaces. The presented results indicate that the Gal-CSO nanoparticles might be very attractive to be used as an intracellular drug delivery carrier for hepatocellular carcinoma cell targeting, thus warranting further in vivo or clinical investigations.
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Zhu XL, Du YZ, Yu RS, Liu P, Shi D, Chen Y, Wang Y, Huang FF. Galactosylated chitosan oligosaccharide nanoparticles for hepatocellular carcinoma cell-targeted delivery of adenosine triphosphate. Int J Mol Sci 2013; 14:15755-66. [PMID: 23899789 PMCID: PMC3759884 DOI: 10.3390/ijms140815755] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2013] [Revised: 07/07/2013] [Accepted: 07/23/2013] [Indexed: 01/14/2023] Open
Abstract
Nanoparticles composed of galactosylated chitosan oligosaccharide (Gal-CSO) and adenosine triphosphate (ATP) were prepared for hepatocellular carcinoma cell-specific uptake, and the characteristics of Gal-CSO/ATP nanoparticles were evaluated. CSO/ATP nanoparticles were prepared as a control. The average diameter and zeta potential of Gal-CSO/ATP nanoparticles were 51.03 ± 3.26 nm and 30.50 ± 1.25 mV, respectively, suggesting suitable properties for a drug delivery system. Subsequently, the cytotoxicity of Gal-CSO/ATP nanoparticles were examined by the methyl tetrazolium (MTT) assay, and the half maximal inhibitory concentration (IC50) values were calculated with HepG2 (human hepatocellular carcinoma cell line) cells. The results showed that the cytotoxic effect of nanoparticles on HepG2 cells was low. In the meantime, it was also found that the Gal-CSO/ATP nanoparticles could be uptaken by HepG2 cells, due to expression of the asialoglycoprotein receptor (ASGP-R) on their surfaces. The presented results indicate that the Gal-CSO nanoparticles might be very attractive to be used as an intracellular drug delivery carrier for hepatocellular carcinoma cell targeting, thus warranting further in vivo or clinical investigations.
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Affiliation(s)
- Xiu Liang Zhu
- Department of Radiology, the Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, China; E-Mails: (X.L.Z.); (D.S.); (Y.C.); (Y.W.); (F.F.H.)
| | - Yong Zhong Du
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China; E-Mails: (Y.Z.D.); (P.L.)
| | - Ri Sheng Yu
- Department of Radiology, the Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, China; E-Mails: (X.L.Z.); (D.S.); (Y.C.); (Y.W.); (F.F.H.)
- Author to whom correspondence should be addressed; E-Mail: ; Tel./Fax: +86-571-8820-8439
| | - Ping Liu
- Department of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China; E-Mails: (Y.Z.D.); (P.L.)
| | - Dan Shi
- Department of Radiology, the Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, China; E-Mails: (X.L.Z.); (D.S.); (Y.C.); (Y.W.); (F.F.H.)
| | - Ying Chen
- Department of Radiology, the Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, China; E-Mails: (X.L.Z.); (D.S.); (Y.C.); (Y.W.); (F.F.H.)
| | - Ying Wang
- Department of Radiology, the Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, China; E-Mails: (X.L.Z.); (D.S.); (Y.C.); (Y.W.); (F.F.H.)
| | - Fang Fang Huang
- Department of Radiology, the Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, China; E-Mails: (X.L.Z.); (D.S.); (Y.C.); (Y.W.); (F.F.H.)
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Sun Y, Zou W, Bian S, Huang Y, Tan Y, Liang J, Fan Y, Zhang X. Bioreducible PAA-g-PEG graft micelles with high doxorubicin loading for targeted antitumor effect against mouse breast carcinoma. Biomaterials 2013; 34:6818-28. [PMID: 23764117 DOI: 10.1016/j.biomaterials.2013.05.032] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2013] [Accepted: 05/18/2013] [Indexed: 12/22/2022]
Abstract
Nanomaterials have demonstrated to be promising to deliver a chemotherapeutic drug deeply into the tumor for improving the anticancer efficacy. In this study, eight kinds of bioreducible PAA-g-PEG graft copolymeric micelles were prepared, and the anticancer drug DOX was stably encapsulated in the micelles. Benefited by the hydrophobic interaction and π-π stacking between aromatic structure of DOX and phenyl of PAA in the micelle core, high drug loading content more than 50 wt/wt % could be achieved. Drugs released from micelles in a reduction-sensitive manner, and effectively inhibit the growth of 4T1 mouse breast cancer cells in vitro. In the 4T1 tumor-bearing nude mice breast carcinoma subcutaneous model, the DOX-incorporated micelles showed much stronger accumulation in tumor than DOX·HCl, and reduced distribution in other main organs. The antitumor effect of the micelles was significantly better than DOX·HCl, as confirmed by tumor volume and body weight changes of the tumor-bearing Balb/c mice, as well as survive study. Encapsulation of DOX in the micelles improved the bioavailability of the drugs through the accumulation in tumor by passive targeting, greatly decreased organ damage due to cancer cell wild growth and metastasis, and depressed the toxicity of DOX on the heart and other organs.
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Affiliation(s)
- Yong Sun
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
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