1
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Chen Y, Hou S. Application of magnetic nanoparticles in cell therapy. Stem Cell Res Ther 2022; 13:135. [PMID: 35365206 PMCID: PMC8972776 DOI: 10.1186/s13287-022-02808-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 03/09/2022] [Indexed: 02/08/2023] Open
Abstract
Fe3O4 magnetic nanoparticles (MNPs) are biomedical materials that have been approved by the FDA. To date, MNPs have been developed rapidly in nanomedicine and are of great significance. Stem cells and secretory vesicles can be used for tissue regeneration and repair. In cell therapy, MNPs which interact with external magnetic field are introduced to achieve the purpose of cell directional enrichment, while MRI to monitor cell distribution and drug delivery. This paper reviews the size optimization, response in external magnetic field and biomedical application of MNPs in cell therapy and provides a comprehensive view.
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Affiliation(s)
- Yuling Chen
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin, China. .,Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin, China.
| | - Shike Hou
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin, China.,Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin, China
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2
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The confined Generalized Stokes-Einstein relation and its consequence on intracellular two-point microrheology. J Colloid Interface Sci 2021; 609:423-433. [PMID: 34906914 DOI: 10.1016/j.jcis.2021.11.037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 11/06/2021] [Accepted: 11/08/2021] [Indexed: 01/14/2023]
Abstract
Two-point microrheology (TPM) is used to infer material properties of complex fluids from the correlated motion of hydrodynamically interacting probes embedded in the medium. The mechanistic connection between probe motion and material properties is propagation of disturbance flows, encoded in current TPM theory for unconfined materials. However, confined media e.g. biological cells and particle-laden droplets, require theory that encodes confinement into the flow propagator (Green's function). To test this idea, we use Confined Stokesian Dynamics simulations to explicitly represent many-body hydrodynamic couplings between colloids and with the enclosing cavity at arbitrary concentration and cavity size. We find that previous TPM theory breaks down in confinement, and we identify and replace the underlying key elements. We put forth a Confined Generalized Stokes-Einstein Relation and report the viscoelastic spectrum. We find that confinement alters particle dynamics and increases viscosity, owing to hydrodynamic and entropic coupling with the cavity. The new theory produces a master curve for all cavity sizes and concentrations and reveals that for colloids larger than 0.005 times the enclosure size, the new model is required.
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3
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Tatischeff I. Dictyostelium: A Model for Studying the Extracellular Vesicle Messengers Involved in Human Health and Disease. Cells 2019; 8:E225. [PMID: 30857191 PMCID: PMC6468606 DOI: 10.3390/cells8030225] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 02/20/2019] [Accepted: 03/01/2019] [Indexed: 12/14/2022] Open
Abstract
Cell-derived extracellular vesicles (EVs) are newly uncovered messengers for intercellular communication. They are released by almost all cell types in the three kingdoms, Archeabacteria, Bacteria and Eukaryotes. They are known to mediate important biological functions and to be increasingly involved in cell physiology and in many human diseases, especially in oncology. The aim of this review is to recapitulate the current knowledge about EVs and to summarize our pioneering work about Dictyostelium discoideum EVs. However, many challenges remain unsolved in the EV research field, before any EV application for theranostics (diagnosis, prognosis, and therapy) of human cancers, can be efficiently implemented in the clinics. Dictyostelium might be an outstanding eukaryotic cell model for deciphering the utmost challenging problem of EV heterogeneity, and for unraveling the still mostly unknown mechanisms of their specific functions as mediators of intercellular communication.
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Affiliation(s)
- Irène Tatischeff
- Honorary CNRS (Centre de la Recherche Scientifique, Paris, France) and UPMC (Université Pierre et Marie Curie, Paris, France) Research Director, Founder of RevInterCell, a Scientific Consulting Service, 91400 Orsay, France.
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4
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Huang L, Xu C, Xu P, Qin Y, Chen M, Feng Q, Pan J, Cheng Q, Liang F, Wen X, Wang Y, Shi Y, Cheng Y. Intelligent Photosensitive Mesenchymal Stem Cells and Cell-Derived Microvesicles for Photothermal Therapy of Prostate Cancer. Nanotheranostics 2018; 3:41-53. [PMID: 30662822 PMCID: PMC6328305 DOI: 10.7150/ntno.28450] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 10/08/2018] [Indexed: 01/01/2023] Open
Abstract
Targeted delivery of nanomedicines into the tumor site and improving the intratumoral distribution remain challenging in cancer treatment. Here, we report an effective transportation system utilizing both of mesenchymal stem cells (MSCs) and their secreted microvesicles containing assembled gold nanostars (GNS) for targeted photothermal therapy of prostate cancer. The stem cells act as a cell carrier to actively load and assemble GNS into the lysosomes. Accumulation of GNS in the lysosomes facilitates the close interaction of nanoparticles, which could result in a 20 nm red-shift of surface plasmon resonance of GNS with a broad absorption in the near infrared region. Moreover, the MSCs can behave like an engineering factory to pack and release the GNS clusters into microvesicles. The secretion of GNS can be stimulated via light irradiation, providing an external trigger-assisted approach to encapsulate nanoparticles into cell derived microvesicles. In vivo studies demonstrate that GNS-loaded MSCs have an extensive intratumoral distribution, as monitored via photoacoustic imaging, and efficient antitumor effect under light exposure in a prostate-cancer subcutaneous model by intratumoral and intravenous injection. Our work presents a light-responsive transportation approach for GNS in combination of MSCs and their extracellular microvesicles and holds the promise as an effective strategy for targeted cancer therapy including prostate cancer.
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Affiliation(s)
- Liqun Huang
- Department of Urology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Chang Xu
- Shanghai East Hospital; The Institute for Biomedical Engineering & Nano Science, Tongji University School of Medicine, Shanghai, 200120, China
| | - Peng Xu
- The State Key Laboratory of Refractories and Metallurgy, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Yu Qin
- Institute of Acoustics, Tongji University, Siping Road 1239, Shanghai 200092, China
| | - Mengwei Chen
- Shanghai East Hospital; The Institute for Biomedical Engineering & Nano Science, Tongji University School of Medicine, Shanghai, 200120, China
| | - Qishuai Feng
- Shanghai East Hospital; The Institute for Biomedical Engineering & Nano Science, Tongji University School of Medicine, Shanghai, 200120, China
| | - Jing Pan
- Institute of Acoustics, Tongji University, Siping Road 1239, Shanghai 200092, China
| | - Qian Cheng
- Institute of Acoustics, Tongji University, Siping Road 1239, Shanghai 200092, China
| | - Feng Liang
- The State Key Laboratory of Refractories and Metallurgy, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Xiaofei Wen
- Department of Urology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Ying Wang
- Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences/Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yufang Shi
- Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences/Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yu Cheng
- Shanghai East Hospital; The Institute for Biomedical Engineering & Nano Science, Tongji University School of Medicine, Shanghai, 200120, China
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5
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Piffoux M, Silva AKA, Wilhelm C, Gazeau F, Tareste D. Modification of Extracellular Vesicles by Fusion with Liposomes for the Design of Personalized Biogenic Drug Delivery Systems. ACS NANO 2018; 12:6830-6842. [PMID: 29975503 DOI: 10.1021/acsnano.8b02053] [Citation(s) in RCA: 248] [Impact Index Per Article: 41.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Extracellular vesicles (EVs) are recognized as nature's own carriers to transport macromolecules throughout the body. Hijacking this endogenous communication system represents an attractive strategy for advanced drug delivery. However, efficient and reproducible loading of EVs with therapeutic or imaging agents still represents a bottleneck for their use as a drug delivery system. Here, we developed a method for modifying cell-derived EVs through their fusion with liposomes containing both membrane and soluble cargoes. The fusion of EVs with functionalized liposomes was triggered by polyethylene glycol (PEG) to create smart biosynthetic hybrid vectors. This versatile method proved to be efficient to enrich EVs with exogenous lipophilic or hydrophilic compounds, while preserving their intrinsic content and biological properties. Hybrid EVs improved cellular delivery efficiency of a chemotherapeutic compound by a factor of 3-4, as compared to the free drug or the drug-loaded liposome precursor. On one side, this method allows the biocamouflage of liposomes by enriching their lipid bilayer and inner compartment with biogenic molecules. On the other side, the proposed fusion strategy enables efficient EV loading, and the pharmaceutical development of EVs with adaptable activity and drug delivery property.
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Affiliation(s)
- Max Piffoux
- Laboratoire Matière et Systèmes Complexes , Université Paris Diderot, Sorbonne Paris Cité , CNRS UMR 7057, F-75013 Paris , France
| | - Amanda K A Silva
- Laboratoire Matière et Systèmes Complexes , Université Paris Diderot, Sorbonne Paris Cité , CNRS UMR 7057, F-75013 Paris , France
| | - Claire Wilhelm
- Laboratoire Matière et Systèmes Complexes , Université Paris Diderot, Sorbonne Paris Cité , CNRS UMR 7057, F-75013 Paris , France
| | - Florence Gazeau
- Laboratoire Matière et Systèmes Complexes , Université Paris Diderot, Sorbonne Paris Cité , CNRS UMR 7057, F-75013 Paris , France
| | - David Tareste
- Institut Jacques Monod , Université Paris Diderot, Sorbonne Paris Cité , CNRS UMR 7592, F-75013 Paris , France
- Centre de Psychiatrie et Neurosciences , Université Paris Descartes, Sorbonne Paris Cité , INSERM UMR 894, F-75014 Paris , France
- Membrane Traffic in Health and Disease , Université Paris Descartes, Sorbonne Paris Cité , INSERM ERL U950, F-75014 Paris , France
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Mulens-Arias V, Nicolás-Boluda A, Silva AKA, Gazeau F. Theranostic Iron Oxide Nanoparticle Cargo Defines Extracellular Vesicle-Dependent Modulation of Macrophage Activation and Migratory Behavior. ACTA ACUST UNITED AC 2018. [DOI: 10.1002/adbi.201800079] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Vladimir Mulens-Arias
- Laboratoire Matière et Systèmes Complexes; UMR7057; CNRS and Université Paris Diderot; 10 Rue Alice Domon et Léonie Duquet 75205 Paris Cedex 13 France
| | - Alba Nicolás-Boluda
- Laboratoire Matière et Systèmes Complexes; UMR7057; CNRS and Université Paris Diderot; 10 Rue Alice Domon et Léonie Duquet 75205 Paris Cedex 13 France
| | - Amanda K Andriola Silva
- Laboratoire Matière et Systèmes Complexes; UMR7057; CNRS and Université Paris Diderot; 10 Rue Alice Domon et Léonie Duquet 75205 Paris Cedex 13 France
| | - Florence Gazeau
- Laboratoire Matière et Systèmes Complexes; UMR7057; CNRS and Université Paris Diderot; 10 Rue Alice Domon et Léonie Duquet 75205 Paris Cedex 13 France
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Ferrauto G, Di Gregorio E, Delli Castelli D, Aime S. CEST-MRI studies of cells loaded with lanthanide shift reagents. Magn Reson Med 2018. [PMID: 29516549 DOI: 10.1002/mrm.27157] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
PURPOSE Magnetic resonance imaging has been used extensively to track in vivo implanted cells that have been previously labeled with relaxation enhancers. However, this approach is not suitable to track multiple cell populations, as it may lead to confounding results in case the contrast agent is released from the labeled cells. This paper demonstrates how the use of CEST agents can overcome these issues. After encapsulating paramagnetic lanthanide shift reagents, we may shift the absorption frequency of the intracellular water resonance (δIn ), thus generating frequency-encoding CEST responsive cells that can be visualized in the MR image by applying the proper RF irradiation. METHODS Eu-HPDO3A, Dy-HPDO3A, and Tm-HPDO3A were used as shift reagents for labeling murine breast cancer cells and murine macrophages by hypotonic swelling and pinocytosis. The CEST-MR images were acquired at 7 T, and the saturation transfer effect was measured. Samples at different dilution of cells were analyzed to quantify the detection threshold. In vitro experiments of cell proliferation were carried out. Finally, murine breast cancer cells were injected subcutaneously in mice, and MR images were acquired to assess the proliferation index in vivo. RESULTS It was found that entrapment of the paramagnetic complexes into endosomes (i.e., using the pinocytosis route) leads to an enhanced shift of the intracellular water resonance. δIn appears to be proportional to the effective magnetic moment (μeff ) and to the concentration of the loaded lanthanide complex. Moreover, a higher shift is present when the complexes are entrapped in the endosomes. The cell proliferation index was assessed both in vitro and in vivo by evaluating the reduction of δIn value in the days after the cell labeling. CONCLUSION Cells can be visualized by CEST MRI after loading with paramagnetic shift reagent, by exploiting the large ensemble of the properly shifted intracellular water molecules. A better performance is obtained when the complexes are entrapped inside the endosomes. The observed (δIn ) value is strongly correlated to the chemical nature of the probe, and to its concentration and cellular localization. Two applications of this method are reported in this paper: (1) for in vivo cell visualization and (2) for the monitoring of the cellular proliferation process, as this method is accompanied by a change in δIn that may be exploited as a longitudinal reporter of the proliferation rate.
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Affiliation(s)
- Giuseppe Ferrauto
- Molecular Imaging Center, Department of Molecular Biotechnologies and Health Sciences, University of Torino, Italy
| | - Enza Di Gregorio
- Molecular Imaging Center, Department of Molecular Biotechnologies and Health Sciences, University of Torino, Italy
| | - Daniela Delli Castelli
- Molecular Imaging Center, Department of Molecular Biotechnologies and Health Sciences, University of Torino, Italy
| | - Silvio Aime
- Molecular Imaging Center, Department of Molecular Biotechnologies and Health Sciences, University of Torino, Italy
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8
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Design and evaluation of surface functionalized superparamagneto-plasmonic nanoparticles for cancer therapeutics. Int J Pharm 2017; 524:16-29. [DOI: 10.1016/j.ijpharm.2017.03.071] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 03/18/2017] [Accepted: 03/26/2017] [Indexed: 01/19/2023]
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9
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Almaki JH, Nasiri R, Idris A, Majid FAA, Salouti M, Wong TS, Dabagh S, Marvibaigi M, Amini N. Synthesis, characterization and in vitro evaluation of exquisite targeting SPIONs-PEG-HER in HER2+ human breast cancer cells. NANOTECHNOLOGY 2016; 27:105601. [PMID: 26861770 DOI: 10.1088/0957-4484/27/10/105601] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A stable, biocompatible and exquisite SPIONs-PEG-HER targeting complex was developed. Initially synthesized superparamagnetic iron oxide nanoparticles (SPIONs) were silanized using 3-aminopropyltrimethoxysilane (APS) as the coupling agent in order to allow the covalent bonding of polyethylene glycol (PEG) to the SPIONs to improve the biocompatibility of the SPIONs. SPIONs-PEG were then conjugated with herceptin (HER) to permit the SPIONs-PEG-HER to target the specific receptors expressed over the surface of the HER2+ metastatic breast cancer cells. Each preparation step was physico-chemically analyzed and characterized by a number of analytical methods including AAS, FTIR spectroscopy, XRD, FESEM, TEM, DLS and VSM. The biocompatibility of SPIONs-PEG-HER was evaluated in vitro on HSF-1184 (human skin fibroblast cells), SK-BR-3 (human breast cancer cells, HER+), MDA-MB-231 (human breast cancer cells, HER-) and MDA-MB-468 (human breast cancer cells, HER-) cell lines by performing MTT and trypan blue assays. The hemolysis analysis results of the SPIONs-PEG-HER and SPIONs-PEG did not indicate any sign of lysis while in contact with erythrocytes. Additionally, there were no morphological changes seen in RBCs after incubation with SPIONs-PEG-HER and SPIONs-PEG under a light microscope. The qualitative and quantitative in vitro targeting studies confirmed the high level of SPION-PEG-HER binding to SK-BR-3 (HER2+ metastatic breast cancer cells). Thus, the results reflected that the SPIONs-PEG-HER can be chosen as a favorable biomaterial for biomedical applications, chiefly magnetic hyperthermia, in the future.
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Affiliation(s)
- Javad Hamzehalipour Almaki
- Department of Bioprocess Engineering, Faculty of Chemical Engineering, Universiti Teknologi Malaysia, Skudai 81310, Johor Bahru, Johor, Malaysia
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10
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Escamilla-Rivera V, Uribe-Ramírez M, González-Pozos S, Lozano O, Lucas S, De Vizcaya-Ruiz A. Protein corona acts as a protective shield against Fe3O4-PEG inflammation and ROS-induced toxicity in human macrophages. Toxicol Lett 2015; 240:172-84. [PMID: 26518974 DOI: 10.1016/j.toxlet.2015.10.018] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Revised: 09/23/2015] [Accepted: 10/21/2015] [Indexed: 11/18/2022]
Abstract
Protein corona (PC) is the main biological entity of initial cell interaction and can define the toxicological response to Fe3O4 nanoparticles (IONP). Polymer coating to IONP, polyethilenglycol (PEG) and polyvinylpyrrolidone (PVP), is a widely accepted strategy to prevent toxicity and avoid excessive protein binding. The aim of this study was to assess the role of PC as a potential protector for ROS-induced cytotoxicity and pro-inflammatory response in THP-1 macrophages (exposed to three different IONP: bare, PVP or PEG coated). Cells were exposed to either IONP in RPMI-1640 media or IONP with a preformed human PC. All three IONP showed cytotoxic effects, which in the presence of PC was abolished. IONP-PEG exposure significantly increased ROS, mitochondrial dysfunction and pro-inflammatory cytokines release (IL-1β and TNF-α). PC presence on IONP-PEG promoted a decrease in ROS and prevented cytokine secretion. Also, presence of PC reduced cell uptake for IONP-bare, but had no influence on IONP-PVP or IONP-PEG. Hence, the reduction in IONP-PEG cytotoxicity can be attributed to PC shielding against ROS generation and pro-inflammatory response and not a differential uptake in THP-1 macrophages. The presence of the PC as a structural element of NP biological entity provides in vivo-relevant conditions for nanosafety testing.
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Affiliation(s)
- V Escamilla-Rivera
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV-IPN), México Distrito Federal, Mexico
| | - M Uribe-Ramírez
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV-IPN), México Distrito Federal, Mexico
| | - S González-Pozos
- Unidad de Microscopía Electrónica (LaNSE), CINVESTAV-IPN, Mexico
| | - O Lozano
- Namur Nanosafety Centre (NNC), NAmur Research Institute for LIfe Sciences (NARILIS), University of Namur, Namur, Belgium; Research Centre for the Physics of Matter and Radiation (PMR), University of Namur, Namur, Belgium
| | - S Lucas
- Namur Nanosafety Centre (NNC), NAmur Research Institute for LIfe Sciences (NARILIS), University of Namur, Namur, Belgium; Research Centre for the Physics of Matter and Radiation (PMR), University of Namur, Namur, Belgium
| | - A De Vizcaya-Ruiz
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV-IPN), México Distrito Federal, Mexico.
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11
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Seth A, Oh DB, Lim YT. Nanomaterials for enhanced immunity as an innovative paradigm in nanomedicine. Nanomedicine (Lond) 2015; 10:959-75. [PMID: 25867860 DOI: 10.2217/nnm.14.200] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Since the advent of nanoparticle technology, novel and versatile properties of nanomaterials have been introduced, which has constantly expanded their applications in therapeutics. Introduction of nanomaterials for immunomodulation has opened up new avenues with tremendous potential. Interesting properties of nanoparticles, such as adjuvanticity, capability to enhance cross-presentation, polyvalent presentation, siRNA delivery for silencing of immunesuppressive gene, targeting and imaging of immune cells have been known to have immense utility in vaccination and immunotherapy. A thorough understanding of the merits associated with nanomaterials is crucial for designing of modular and versatile nanovaccines, for improved immune response. With the emerging prerequisites of vaccination, nanomaterial-based immune stimulation, seems to be capable of taking the field of immunization to a next higher level.
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Affiliation(s)
- Anushree Seth
- Graduate School of Analytical Science & Technology, Chungnam National University, Daejeon 305-764, South Korea
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12
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Beddoes CM, Case CP, Briscoe WH. Understanding nanoparticle cellular entry: A physicochemical perspective. Adv Colloid Interface Sci 2015; 218:48-68. [PMID: 25708746 DOI: 10.1016/j.cis.2015.01.007] [Citation(s) in RCA: 220] [Impact Index Per Article: 24.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2014] [Revised: 01/21/2015] [Accepted: 01/22/2015] [Indexed: 12/21/2022]
Abstract
Understanding interactions between nanoparticles (NPs) with biological matter, particularly cells, is becoming increasingly important due to their growing application in medicine and materials, and consequent biological and environmental exposure. For NPs to be utilised to their full potential, it is important to correlate their functional characteristics with their physical properties, which may also be used to predict any adverse cellular responses. A key mechanism for NPs to impart toxicity is to gain cellular entry directly. Many parameters affect the behaviour of nanomaterials in a cellular environment particularly their interactions with cell membranes, including their size, shape and surface chemistry as well as factors such as the cell type, location and external environment (e.g. other surrounding materials, temperature, pH and pressure). Aside from in vitro and in vivo experiments, model cell membrane systems have been used in both computer simulations and physicochemical experiments to elucidate the mechanisms for NP cellular entry. Here we present a brief overview of the effects of NPs physical parameters on their cellular uptake, with focuses on 1) related research using model membrane systems and physicochemical methodologies; and 2) proposed physical mechanisms for NP cellular entrance, with implications to their nanotoxicity. We conclude with a suggestion that the energetic process of NP cellular entry can be evaluated by studying the effects of NPs on lipid mesophase transitions, as the molecular deformations and thus the elastic energy cost are analogous between such transitions and endocytosis. This presents an opportunity for contributions to understanding nanotoxicity from a physicochemical perspective.
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Affiliation(s)
- Charlotte M Beddoes
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, UK; Bristol Centre for Functional Nanomaterials, Centre for Nanoscience and Quantum Information, University of Bristol, UK
| | - C Patrick Case
- Musculoskeletal Research Unit, Clinical Science at North Bristol, University of Bristol, Avon Orthopaedic Centre, Southmead Hospital, Bristol BS10 5NB, UK
| | - Wuge H Briscoe
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, UK.
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Béalle G, Lartigue L, Wilhelm C, Ravaux J, Gazeau F, Podor R, Carrière D, Ménager C. Surface decoration of catanionic vesicles with superparamagnetic iron oxide nanoparticles: a model system for triggered release under moderate temperature conditions. Phys Chem Chem Phys 2014; 16:4077-81. [DOI: 10.1039/c3cp54484b] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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14
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Kolosnjaj-Tabi J, Wilhelm C, Clément O, Gazeau F. Cell labeling with magnetic nanoparticles: opportunity for magnetic cell imaging and cell manipulation. J Nanobiotechnology 2013; 11 Suppl 1:S7. [PMID: 24564857 PMCID: PMC4029272 DOI: 10.1186/1477-3155-11-s1-s7] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
This tutorial describes a method of controlled cell labeling with citrate-coated ultra small superparamagnetic iron oxide nanoparticles. This method may provide basically all kinds of cells with sufficient magnetization to allow cell detection by high-resolution magnetic resonance imaging (MRI) and to enable potential magnetic manipulation. In order to efficiently exploit labeled cells, quantify the magnetic load and deliver or follow-up magnetic cells, we herein describe the main requirements that should be applied during the labeling procedure. Moreover we present some recommendations for cell detection and quantification by MRI and detail magnetic guiding on some real-case studies in vitro and in vivo.
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15
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Luengo Y, Nardecchia S, Morales MP, Serrano MC. Different cell responses induced by exposure to maghemite nanoparticles. NANOSCALE 2013; 5:11428-37. [PMID: 23963338 DOI: 10.1039/c3nr02148c] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Recent advances in nanotechnology have permitted the development of a wide repertoire of inorganic magnetic nanoparticles (NPs) with extensive promise for biomedical applications. Despite this remarkable potential, many questions still arise concerning the biocompatible nature of NPs when in contact with biological systems. Herein, we have investigated how controlled changes in the physicochemical properties of iron oxide NPs at their surface (i.e., surface charge and hydrodynamic size) affect, first, their interaction with cell media components and, subsequently, cell responses to NP exposure. For that purpose, we have prepared iron oxide NPs with three different coatings (i.e., dimercaptosuccinic acid - DMSA, (3-aminopropyl)triethoxysilane - APS and dextran) and explored the response of two different cell types, murine L929 fibroblasts and human Saos-2 osteoblasts, to their exposure. Interestingly, different cell responses were found depending on the NP concentration, surface charge and cell type. In this sense, neutral NPs, as those coated with dextran, induced negligible cell damage, as their cellular internalization was significantly reduced. In contrast, surface-charged NPs (i.e., those coated with DMSA and APS) caused significant cellular changes in viability, morphology and cell cycle under certain culture conditions, as a result of a more active cellular internalization. These results also revealed a particular cellular ability to detect and remember the original physicochemical properties of the NPs, despite the formation of a protein corona when incubated in culture media. Overall, conclusions from these studies are of crucial interest for future biomedical applications of iron oxide NPs.
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Affiliation(s)
- Yurena Luengo
- Instituto de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones Científicas (CSIC), Calle Sor Juana Inés de la Cruz 3, 28049-Madrid, Spain.
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17
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Andriola Silva AK, Di Corato R, Gazeau F, Pellegrino T, Wilhelm C. Magnetophoresis at the nanoscale: tracking the magnetic targeting efficiency of nanovectors. Nanomedicine (Lond) 2012; 7:1713-27. [DOI: 10.2217/nnm.12.40] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Aim: Most of the research efforts in magnetic targeting have been focused on the development of magnetic nanovectors, while the investigation of methods for tracking their magnetic targeting efficiency remains inappropriately addressed. We propose herein a miniaturized approach for appraising magnetophoretic mobility at the nanoscale. Materials & methods: A simple and easy-to-use chamber including a microtip as a magnetic attractor was developed to perform magnetophoretic measurement at the size scale of nano-objects, and under bright field or fluorescence microscopy. Different sets of magnetic nanocontainers were produced and their magnetophoretic mobility was investigated. Real-time observations of the Brownian motion of the nanocontainers were also carried out for simultaneous size determination. Results: Attraction of the nanocontainers at the microtip is demonstrated as a qualitative method that immediately distinguishes magnetically responsive nano-objects. The combination of the analysis of Brownian motion, together with the magnetophoretic mobility, inferred both the size, the magnetophoretic velocity and the magnetic content of the nanocontainers. Additionally, nanomagnetophoresis experiments under fluorescence microscopy provided information on the constitutive core/shell integrity of the nanocontainers and the co-internalization of a fluorescent cargo. Conclusion: This nanomagnetophoresis method represents a promising tool to estimate the feasibility of magnetic targeting in laboratory routine. Original submitted 28 November 2011; Revised submitted 28 February 2012; Published online 18 June 2012
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Affiliation(s)
- Amanda K Andriola Silva
- Laboratoire Matière & Systèmes Complexes, UMR 7057, CNRS & Université Paris Diderot, 10 rue Alice Domon & Léonie Duquet, 75205 Paris cedex 13, France
| | - Riccardo Di Corato
- Laboratoire Matière & Systèmes Complexes, UMR 7057, CNRS & Université Paris Diderot, 10 rue Alice Domon & Léonie Duquet, 75205 Paris cedex 13, France
- Instituto Italiano di Tecnologia, Via Morego 30, I-16163 Genova, Italy
| | - Florence Gazeau
- Laboratoire Matière & Systèmes Complexes, UMR 7057, CNRS & Université Paris Diderot, 10 rue Alice Domon & Léonie Duquet, 75205 Paris cedex 13, France
| | - Teresa Pellegrino
- Instituto Italiano di Tecnologia, Via Morego 30, I-16163 Genova, Italy
- Nanoscience Institute of CNR, National Nanotechnology Laboratory, Via Arnesano, 73100 Lecce, Italy
| | - Claire Wilhelm
- Laboratoire Matière & Systèmes Complexes, UMR 7057, CNRS & Université Paris Diderot, 10 rue Alice Domon & Léonie Duquet, 75205 Paris cedex 13, France
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18
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Liu Y, Wang J. Effects of DMSA-coated Fe3O4 nanoparticles on the transcription of genes related to iron and osmosis homeostasis. Toxicol Sci 2012; 131:521-36. [PMID: 23086747 DOI: 10.1093/toxsci/kfs300] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
In this article, we checked the effect of 2,3-dimercaptosuccinic acid-coated Fe(3)O(4) nanoparticles on gene expression of mouse macrophage RAW264.7 cells and found that the transcription of several important genes related to intracellular iron homeostasis were significantly changed. We thus speculated that the cellular iron homeostasis might be disturbed by this nanoparticle through releasing iron ion in cells. To verify this speculation, we first confirmed the transcriptional changes of several key iron homeostasis- related genes, such as Tfrc, Trf, and Lcn2, using quantitative PCR, and found that an iron ion chelator, desferrioxamine, could alleviate the transcriptional alterations of two typical genes, Tfrc and Lcn2. Then, we designed and validated a method based on centrifugation for assaying intracellular irons in ion and nanoparticle state. After extensive measures of intracellular iron in two forms and total iron, we found that the intracellular iron ion significantly increased with intracellular total iron and nanoparticle iron, demonstrating degradation of this nanoparticle into iron ion in cells. We next mimicked the intralysosomal environment in vitro and verified that the internalized iron nanoparticle could release iron ion in lysosome. We found that as another important compensatory response to intracellular overload of iron ion, cells significantly downregulated the expressions of genes belonging to solute carrier family which are responsible for transferring many organic solutes into cells, such as Slc5a3 and Slc44a1, in order to prevent more organic solutes into cells and thus lower the intracellular osmosis. Based on these findings, we profiled a map of gene effects after cells were treated with this iron nanoparticle and concluded that the iron nanoparticles might be more detrimental to cell than iron ion due to its intracellular internalization fashion, nonspecific endocytosis.
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Affiliation(s)
- Yingxun Liu
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing 210096, China
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19
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Béalle G, Di Corato R, Kolosnjaj-Tabi J, Dupuis V, Clément O, Gazeau F, Wilhelm C, Ménager C. Ultra magnetic liposomes for MR imaging, targeting, and hyperthermia. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2012; 28:11834-11842. [PMID: 22799267 DOI: 10.1021/la3024716] [Citation(s) in RCA: 126] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Magnetic liposomes offer opportunities as theranostic systems. The prerequisite for efficient imaging, tissue targeting or hyperthermia is high magnetic load of these vesicles. Here we describe the preparation of Ultra Magnetic Liposomes (UMLs), which may encapsulate iron oxide nanoparticles in a volume fraction of up to 30%. This remarkable magnetic charge provides UMLs with high magnetic mobilities, MRI relaxivities, and heating capacities for magnetic hyperthermia. Moreover, these UMLs are rapidly and efficiently internalized by cultured tumor cells and, when they are administered to mice, they can be vectorized to tumors by an external magnet.
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Affiliation(s)
- Gaëlle Béalle
- Université Pierre et Marie Curie, UPMC-Univ Paris 06, Laboratoire PECSA-UMR 7195-CNRS-ESPCI, 4 place Jussieu, 75252 Paris cedex 05, France
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20
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Tatischeff I. Cell-derived microvesicles and antitumoral multidrug resistance. C R Biol 2012; 335:103-6. [DOI: 10.1016/j.crvi.2011.12.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2011] [Revised: 12/22/2011] [Accepted: 12/23/2011] [Indexed: 12/29/2022]
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21
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Kaaki K, Hervé-Aubert K, Chiper M, Shkilnyy A, Soucé M, Benoit R, Paillard A, Dubois P, Saboungi ML, Chourpa I. Magnetic nanocarriers of doxorubicin coated with poly(ethylene glycol) and folic acid: relation between coating structure, surface properties, colloidal stability, and cancer cell targeting. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2012; 28:1496-1505. [PMID: 22172203 DOI: 10.1021/la2037845] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
We report the efficient one-step synthesis and detailed physicochemical evaluation of novel biocompatible nanosystems useful for cancer therapeutics and diagnostics (theranostics). These systems are the superparamagnetic iron oxide nanoparticles (SPIONs) carrying the anticancer drug doxorubicin and coated with the covalently bonded biocompatible polymer poly(ethylene glycol) (PEG), native and modified with the biological cancer targeting ligand folic acid (PEG-FA). These multifunctional nanoparticles (SPION-DOX-PEG-FA) are designed to rationally combine multilevel mechanisms of cancer cell targeting (magnetic and biological), bimodal cancer cell imaging (by means of MRI and fluorescence), and bimodal cancer treatment (by targeted drug delivery and by hyperthermia effect). Nevertheless, for these concepts to work together, the choice of ingredients and particle structure are critically important. Therefore, in the present work, a detailed physicochemical characterization of the organic coating of the hybrid nanoparticles is performed by several surface-specific instrumental methods, including surface-enhanced Raman scattering (SERS) spectroscopy, X-ray photoelectron spectrometry (XPS), and time-of-flight secondary ion mass spectrometry (ToF-SIMS). We demonstrate that the anticancer drug doxorubicin is attached to the iron oxide surface and buried under the polymer layers, while folic acid is located on the extreme surface of the organic coating. Interestingly, the moderate presence of folic acid on the particle surface does not increase the particle surface potential, while it is sufficient to increase the particle uptake by MCF-7 cancer cells. All of these original results contribute to the better understanding of the structure-activity relationship for hybrid biocompatible nanosystems and are encouraging for the applications in cancer theranostics.
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Affiliation(s)
- Karine Kaaki
- EA 4244, Physicochimie des matériaux et des biomolécules, équipe Nanovecteurs magnétiques pour la chimiothérapie, Université F. Rabelais, Faculté de Pharmacie, 31 avenue Monge, F-37200 Tours, France
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22
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Fang CY, Vaijayanthimala V, Cheng CA, Yeh SH, Chang CF, Li CL, Chang HC. The exocytosis of fluorescent nanodiamond and its use as a long-term cell tracker. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2011; 7:3363-70. [PMID: 21997958 DOI: 10.1002/smll.201101233] [Citation(s) in RCA: 88] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2011] [Revised: 08/04/2011] [Indexed: 05/20/2023]
Abstract
Fluorescent nanodiamond (FND) has excellent biocompatibility and photostability, making it well suited for long-term labeling and tracking of cancer and stem cells. To prove the concept, the exocytosis of FND particles (size ≈100 nm) from three cell lines--HeLa cervical cancer cells, 3T3-L1 pre-adipocytes, and 489-2.1 multipotent stromal cells--is studied in detail. FND labeling is performed by incubating the cells in a serum-free medium containing 80 μg mL(-1) FND for 4 h. No significant alteration in growth or proliferation of the FND-labeled cells, including the multipotent stromal cells, is observed for up to 8 days. Flow cytometric analysis, in combination with parallel cell doubling-time measurements, indicates that there is little (≈15% or less) excretion of the endocytosed FND particles after 6 days of labeling for both HeLa and 489-2.1 cells, but exocytosis occurs more readily (up to 30%) for 3T3-L1 preadipocytes. A comparative experiment with FND and the widely used dye, carboxyfluorescein diacetate succinimidyl ester, demonstrates that the nanoparticle platform is a promising alternate probe for long-term cell labeling and tracking applications.
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Affiliation(s)
- Chia-Yi Fang
- Institute of Atomic and Molecular Sciences, Academia Sinica Taipei 106, Taiwan
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23
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Mehrmohamamdi M, Qu M, Ma LL, Romanovicz DK, Johnston KP, Sokolov KV, Emelianov SY. Pulsed magneto-motive ultrasound imaging to detect intracellular trafficking of magnetic nanoparticles. NANOTECHNOLOGY 2011; 22:415105. [PMID: 21926454 PMCID: PMC3471148 DOI: 10.1088/0957-4484/22/41/415105] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
As applications of nanoparticles in medical imaging and biomedicine rapidly expand, the interactions of nanoparticles with living cells have become an area of active interest. For example, intracellular accumulation of nanoparticles-an important part of cell-nanoparticle interaction-has been well studied using plasmonic nanoparticles and optical or optics-based techniques due to the change in optical properties of the nanoparticle aggregates. However, magnetic nanoparticles, despite their wide range of clinical applications, do not exhibit plasmonic-resonant properties and therefore their intracellular aggregation cannot be detected by optics-based imaging techniques. In this study, we investigated the feasibility of a novel imaging technique-pulsed magneto-motive ultrasound (pMMUS)-to identify intracellular accumulation of endocytosed magnetic nanoparticles. In pMMUS imaging a focused, high intensity, pulsed magnetic field is used to excite the cells labeled with magnetic nanoparticles, and ultrasound imaging is then used to monitor the mechanical response of the tissue. We demonstrated previously that clusters of magnetic nanoparticles amplify the pMMUS signal in comparison to the signal from individual nanoparticles. Here we further demonstrate that pMMUS imaging can identify interaction between magnetic nanoparticles and living cells, i.e. intracellular accumulation of nanoparticles within the cells. The results of our study suggest that pMMUS imaging can not only detect the presence of magnetic nanoparticles but also provides information about their intracellular accumulation non-invasively and in real-time.
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Affiliation(s)
| | - Min Qu
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, USA
| | - Li L. Ma
- Department of Chemical Engineering, University of Texas at Austin, Austin, TX, USA
| | - Dwight K. Romanovicz
- Institute for Cellular and Molecular Biology, University of Texas at Austin, Austin, TX, USA
| | - Keith P. Johnston
- Department of Chemical Engineering, University of Texas at Austin, Austin, TX, USA
| | - Konstantin V. Sokolov
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, USA
- Department of Imaging Physics, Division of Diagnostic Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Stanislav Y. Emelianov
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, USA
- Department of Imaging Physics, Division of Diagnostic Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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24
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Soenen SJ, Velde GV, Ketkar-Atre A, Himmelreich U, De Cuyper M. Magnetoliposomes as magnetic resonance imaging contrast agents. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2011; 3:197-211. [PMID: 25363747 DOI: 10.1002/wnan.122] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Among the wide variety in iron oxide nanoparticles which are routinely used as magnetic resonance imaging (MRI) contrast agents, magnetoliposomes (MLs) take up a special place. In the present work, the two main types (large and small MLs) are defined and their specific features are commented. For both types of MLs, the flexibility of the lipid coating allows for efficient functionalization, enabling bimodal imaging (e.g., MRI and fluorescence) or the use of MLs as theranostics. These features are especially true for large MLs, where several magnetite cores are encapsulated within a single large liposome, which were found to be highly efficient theranostic agents. By carefully fine-tuning the number of magnetite cores and attaching Gd(3+) -complexes onto the liposomal surface, the large MLs can be efficiently optimized for dynamic MRI. A special type of MLs, biogenic MLs, can also be efficiently used in this regard, with potential applications in cancer treatment and imaging. Small MLs, where the lipid bilayer is immediately attached onto a solid magnetite core, give a very high r2 /r1 ratio. The flexibility of the lipid bilayer allows the incorporation of poly(ethylene glycol)-lipid conjugates to increase blood circulation times and be used as bone marrow contrast agents. Cationic lipids can also be incorporated, leading to high cell uptake and associated strong contrast generation in MRI of implanted cells. Unique for these small MLs is the high resistance the particles exhibit against intracellular degradation compared with dextran- or citrate-coated particles. Additionally, intracellular clustering of the iron oxide cores enhances negative contrast generation and enables longer tracking of labeled cells in time.
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Affiliation(s)
- Stefaan J Soenen
- Lab of BioNanoColloids, KULeuven Campus Kortrijk, IRC Etienne Sabbelaan, Kortrijk, Belgium
| | - Greetje Vande Velde
- Biomedical NMR Unit/MoSAIC, KULeuven Campus Gasthuisberg, University Medical Hospital Gasthuisberg, Leuven, Belgium
| | - Ashwini Ketkar-Atre
- Biomedical NMR Unit/MoSAIC, KULeuven Campus Gasthuisberg, University Medical Hospital Gasthuisberg, Leuven, Belgium
| | - Uwe Himmelreich
- Biomedical NMR Unit/MoSAIC, KULeuven Campus Gasthuisberg, University Medical Hospital Gasthuisberg, Leuven, Belgium
| | - Marcel De Cuyper
- Lab of BioNanoColloids, KULeuven Campus Kortrijk, IRC Etienne Sabbelaan, Kortrijk, Belgium
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25
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Lesieur S, Gazeau F, Luciani N, Ménager C, Wilhelm C. Multifunctional nanovectors based on magnetic nanoparticles coupled with biological vesicles or synthetic liposomes. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c1jm10487j] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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26
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Serda RE, Mack A, van de Ven AL, Ferrati S, Dunner K, Godin B, Chiappini C, Landry M, Brousseau L, Liu X, Bean AJ, Ferrari M. Logic-embedded vectors for intracellular partitioning, endosomal escape, and exocytosis of nanoparticles. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2010; 6:2691-700. [PMID: 20957619 PMCID: PMC2997879 DOI: 10.1002/smll.201000727] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2010] [Revised: 07/22/2010] [Indexed: 05/08/2023]
Abstract
A new generation of nanocarriers, logic-embedded vectors (LEVs), is endowed with the ability to localize components at multiple intracellular sites, thus creating an opportunity for synergistic control of redundant or dual-hit pathways. LEV encoding elements include size, shape, charge, and surface chemistry. In this study, LEVs consist of porous silicon nanocarriers, programmed for cellular uptake and trafficking along the endosomal pathway, and surface-tailored iron oxide nanoparticles, programmed for endosomal sorting and partitioning of particles into unique cellular locations. In the presence of persistent endosomal localization of silicon nanocarriers, amine-functionalized nanoparticles are sorted into multiple vesicular bodies that form novel membrane-bound compartments compatible with cellular secretion, while chitosan-coated nanoparticles escape from endosomes and enter the cytosol. Encapsulation within the porous silicon matrix protects these nanoparticle surface-tailored properties, and enhances endosomal escape of chitosan-coated nanoparticles. Thus, LEVs provide a mechanism for shielded transport of nanoparticles to the lesion, cellular manipulation at multiple levels, and a means for targeting both within and between cells.
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Affiliation(s)
- Rita E Serda
- Department of NanoMedicine and Biomedical Engineering, University of Texas Health Science Center, 1825 Pressler Street, Suite 537, Houston, TX 77030, USA.
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27
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Hsieh S, Huang BY, Hsieh SL, Wu CC, Wu CH, Lin PY, Huang YS, Chang CW. Green fabrication of agar-conjugated Fe3O4 magnetic nanoparticles. NANOTECHNOLOGY 2010; 21:445601. [PMID: 20935349 DOI: 10.1088/0957-4484/21/44/445601] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Magnetic nanoparticles are of great interest both for fundamental research and emerging applications. In the biomedical field, magnetite (Fe(3)O(4)) has shown promise as a hyperthermia-based tumor therapeutic. However, preparing suitable solubilized magnetite nanoparticles is challenging, primarily due to aggregation and poor biocompatibility. Thus methods for coating Fe(3)O(4) NPs with biocompatible stabilizers are required. We report a new method for preparing Fe(3)O(4) nanoparticles by co-precipitation within the pores of agar gel samples. Permeated agar gels were then dried and ground into a powder, yielding agar-conjugated Fe(3)O(4) nanoparticles. Samples were characterized using XRD, FTIR, TGA, TEM and SQUID. This method for preparing agar-coated Fe(3)O(4) nanoparticles is environmentally friendly, inexpensive and scalable.
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Affiliation(s)
- S Hsieh
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung, Taiwan.
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28
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Abstract
The emerging field of nanomedicine requires better understanding of the interface between nanotechnology and medicine. Better knowledge of the nano-bio interface will lead to better tools for diagnostic imaging and therapy. In this review, recent progress in understanding of how size, shape, and surface properties of nanoparticles (NPs) affect intracellular fate of NPs is discussed. Gold nanostructures are used as a model system in this regard since their physical and chemical properties can be easily manipulated. The NP-uptake is dependent on the physiochemical properties, and once in the cell, most of the NPs are trafficked via an endo-lysosomal path followed by a receptor-mediated endocytosis process at the cell membrane. Within the size range of 2-100 nm, Gold nanoparticles (GNPs) of diameter 50 nm demonstrate the highest uptake. Cellular uptake studies of gold nanorods (GNRs) show that there is a decrease in uptake as the aspect ratio of GNRs increases. Theoretical models support the size- and shape-dependent NP-uptake. The intracellular transport of targeted NPs is faster than untargeted NPs. The surface ligand and charge of NPs play a bigger role in their uptake, transport, and organelle distribution. Exocytosis of NPs is dependent on size and shape as well; however, the trend is different compared to endocytosis. GNPs are now being incorporated into polymer and lipid based NPs to build multifunctional devices. A multifunctional platform based on gold nanostructures, with multimodal imaging, targeting, and therapeutics; hold the possibility of promising directions in medical research.
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Affiliation(s)
- Devika B Chithrani
- Department of Physics, Princess Margaret Hospital, University Health Network, and STTARR Innovation Centre, Toronto Medical Discovery Tower, University Health Network, Ontario, Canada.
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29
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Cho YS, Yoon TJ, Jang ES, Soo Hong K, Young Lee S, Ran Kim O, Park C, Kim YJ, Yi GC, Chang K. Cetuximab-conjugated magneto-fluorescent silica nanoparticles for in vivo colon cancer targeting and imaging. Cancer Lett 2010; 299:63-71. [PMID: 20826046 DOI: 10.1016/j.canlet.2010.08.004] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2009] [Revised: 08/02/2010] [Accepted: 08/09/2010] [Indexed: 12/14/2022]
Abstract
Magneto-fluorescent silica nanoparticles were conjugated with cetuximab for the targeting and imaging of colon cancer. In this study, cetuximab-conjugated magneto-fluorescent nanoparticles (MFSN-Ctx) could specifically target colon cancer cells that expressed EGFR on their cell membranes, and specific fluorescence was detected. MFSN-Ctx produced significant MRI signal changes in a human colon cancer xenograft mouse model. Intravenous injection of MFSN-Ctx resulted in faster uptake as compared to intraperitoneal injection, indicating that MFSN-Ctx had different kinetic properties in tumors based on the method of injection. The local concentration of MFSN-Ctx in a tumor was amplified by the use of an external magnetic field. These results demonstrate the potential application of MFSN-Ctx for the detection of EGFR-expressing colon cancer using in vivo imaging approaches.
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Affiliation(s)
- Young-Seok Cho
- Department of Internal Medicine, The Catholic University of Korea, 505, Banpo-dong, Seoul 137701, Republic of Korea
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30
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Ferrati S, Mack A, Chiappini C, Liu X, Bean AJ, Ferrari M, Serda RE. Intracellular trafficking of silicon particles and logic-embedded vectors. NANOSCALE 2010; 2:1512-20. [PMID: 20820744 PMCID: PMC2936484 DOI: 10.1039/c0nr00227e] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Mesoporous silicon particles show great promise for use in drug delivery and imaging applications as carriers for second-stage nanoparticles and higher order particles or therapeutics. Modulation of particle geometry, surface chemistry, and porosity allows silicon particles to be optimized for specific applications such as vascular targeting and avoidance of biological barriers commonly found between the site of drug injection and the final destination. In this study, the intracellular trafficking of unloaded carrier silicon particles and carrier particles loaded with secondary iron oxide nanoparticles was investigated. Following cellular uptake, membrane-encapsulated silicon particles migrated to the perinuclear region of the cell by a microtubule-driven mechanism. Surface charge, shape (spherical and hemispherical) and size (1.6 and 3.2 microm) of the particle did not alter the rate of migration. Maturation of the phagosome was associated with an increase in acidity and acquisition of markers of late endosomes and lysosomes. Cellular uptake of iron oxide nanoparticle-loaded silicon particles resulted in sorting of the particles and trafficking to unique destinations. The silicon carriers remained localized in phagosomes, while the second stage iron oxide nanoparticles were sorted into multi-vesicular bodies that dissociated from the phagosome into novel membrane-bound compartments. Release of iron from the cells may represent exocytosis of iron oxide nanoparticle-loaded vesicles. These results reinforce the concept of multi-functional nanocarriers, in which different particles are able to perform specific tasks, in order to deliver single- or multi-component payloads to specific sub-cellular compartments.
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Affiliation(s)
- Silvia Ferrati
- University of Texas Health Science Center, Department of NanoMedicine and Biomedical Engineering, Houston, TX 77030
| | - Aaron Mack
- University of Texas Health Science Center, Department of NanoMedicine and Biomedical Engineering, Houston, TX 77030
| | | | - Xuewu Liu
- University of Texas Health Science Center, Department of NanoMedicine and Biomedical Engineering, Houston, TX 77030
| | - Andrew J. Bean
- University of Texas Health Science Center, Department of Neurobiology and Anatomy, Houston, TX 77030
- University of Texas MD Anderson Cancer Center, Department of Pediatrics, Houston, TX 77030
| | - Mauro Ferrari
- University of Texas Health Science Center, Department of NanoMedicine and Biomedical Engineering, Houston, TX 77030
- University of Texas MD Anderson Cancer Center, Department of Experimental Therapeutics, Houston, TX 77030
- Rice University, Department of Bioengineering, Houston, TX 77005
| | - Rita E. Serda
- University of Texas Health Science Center, Department of NanoMedicine and Biomedical Engineering, Houston, TX 77030
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31
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Vats N, Wilhelm C, Rautou PE, Poirier-Quinot M, Péchoux C, Devue C, Boulanger CM, Gazeau F. Magnetic tagging of cell-derived microparticles: new prospects for imaging and manipulation of these mediators of biological information. Nanomedicine (Lond) 2010; 5:727-38. [DOI: 10.2217/nnm.10.44] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aims: Submicron membrane fragments termed microparticles (MPs), which are released by apoptotic or activated cells, are newly considered as vectors of biological information and actors of pathology development. We propose the tagging of MPs with magnetic nanoparticles as a new approach allowing imaging, manipulation and targeting of cell-derived MPs. Materials & methods: MPs generated in vitro from human endothelial cells or isolated from atherosclerotic plaques were labeled using citrate-coated 8 nm iron-oxide nanoparticles. MPs were tagged with magnetic nanoparticles on their surface and detected as Annexin-V positive by flow cytometry. Results: Labeled MPs could be mobilized, isolated and manipulated at a distance in a magnetic field gradient. Magnetic mobility of labeled MPs was quantified by micromagnetophoresis. Interactions of labeled MPs with endothelial cells could be triggered and modulated by magnetic guidance. Nanoparticles served as tracers at different scales: at the subcellular level by electron microscopy, at the cellular level by histology and at the macroscopic level by MRI. Conclusion: Magnetic labeling of biogenic MPs opens new prospects for noninvasive monitoring and distal manipulations of these biological effectors.
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Affiliation(s)
- Nidhi Vats
- Laboratoire Matière et Systèmes Complexes, UMR 7057, CNRS & Université Paris Diderot, 10 Rue Alice Domon et Léonie Duquet, 75205 Paris cedex 13, France
| | - Claire Wilhelm
- Laboratoire Matière et Systèmes Complexes, UMR 7057, CNRS & Université Paris Diderot, 10 Rue Alice Domon et Léonie Duquet, 75205 Paris cedex 13, France
| | - Pierre-Emmanuel Rautou
- Paris Centre de Recherche Cardiovasculaire, INSERM U970, 56 Rue Leblanc, 75737, Paris cedex 15, France
| | - Marie Poirier-Quinot
- Laboratoire U2R2M, UMR8081, CNRS & Université Paris-Sud, Centre d’Orsay, 91405, Orsay cedex, France
| | - Christine Péchoux
- Centre de Microscopie Électronique, Plateforme MIMA2, INRA, UR1196 Génomique et Physiologie de la Lactation, Domaine de Vilvert, F-78352 Jouy-en-Josas, France
| | - Cécile Devue
- Paris Centre de Recherche Cardiovasculaire, INSERM U970, 56 Rue Leblanc, 75737, Paris cedex 15, France
| | - Chantal M Boulanger
- Paris Centre de Recherche Cardiovasculaire, INSERM U970, 56 Rue Leblanc, 75737, Paris cedex 15, France
| | - Florence Gazeau
- Laboratoire Matière et Systèmes Complexes, UMR 7057, CNRS & Université Paris Diderot, 10 Rue Alice Domon et Léonie Duquet, 75205 Paris cedex 13, France
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Verma A, Stellacci F. Effect of surface properties on nanoparticle-cell interactions. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2010; 6:12-21. [PMID: 19844908 DOI: 10.1002/smll.200901158] [Citation(s) in RCA: 1739] [Impact Index Per Article: 124.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
The interaction of nanomaterials with cells and lipid bilayers is critical in many applications such as phototherapy, imaging, and drug/gene delivery. These applications require a firm control over nanoparticle-cell interactions, which are mainly dictated by surface properties of nanoparticles. This critical Review presents an understanding of how synthetic and natural chemical moieties on the nanoparticle surface (in addition to nanoparticle shape and size) impact their interaction with lipid bilayers and cells. Challenges for undertaking a systematic study to elucidate nanoparticle-cell interactions are also discussed.
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Affiliation(s)
- Ayush Verma
- Department of Materials Science and Engineering, Massachusetts Institute of Technology (MIT), 77 Massachusetts Avenue, Cambridge, MA 02139, USA
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Gazeau F, Lévy M, Wilhelm C. Optimizing magnetic nanoparticle design for nanothermotherapy. Nanomedicine (Lond) 2008; 3:831-44. [PMID: 19025457 DOI: 10.2217/17435889.3.6.831] [Citation(s) in RCA: 147] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Current developments in nanotechnology offer new tools to the design of nanometric heat-generating ‘foci’ that can be activated remotely by an external alternating magnetic field. These nanometric heat sources may serve for therapeutic hyperthermia alone or combined with other therapeutic modalities, such as drug delivery or gene therapy. Activable therapeutic tools at the nanoscale fulfill the requirements of future medicine in terms of spatial targeting and temporal control of therapy. The present review discusses fundamental aspects regarding the design of magnetic nanoparticles with optimized properties, by unraveling physical mechanisms that govern heating power in biological media. Towards therapy, achievements and promises of magnetic nanoparticles for cancer-localized hyperthermia, targeting strategies and multivalent functionalities are exposed.
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Affiliation(s)
- Florence Gazeau
- Laboratoire Matière et Systèmes Complexes (MSC), UMR 7057 CNRS - Université Paris Diderot Bâtiment Condorcet - Case 7056, F-75205 Paris Cedex 13, France
| | - Michael Lévy
- Laboratoire Matière et Systèmes Complexes (MSC), UMR 7057 CNRS - Université Paris Diderot Bâtiment Condorcet - Case 7056, F-75205 Paris Cedex 13, France
| | - Claire Wilhelm
- Laboratoire Matière et Systèmes Complexes (MSC), UMR 7057 CNRS - Université Paris Diderot Bâtiment Condorcet - Case 7056, F-75205 Paris Cedex 13, France
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Hervé K, Douziech-Eyrolles L, Munnier E, Cohen-Jonathan S, Soucé M, Marchais H, Limelette P, Warmont F, Saboungi ML, Dubois P, Chourpa I. The development of stable aqueous suspensions of PEGylated SPIONs for biomedical applications. NANOTECHNOLOGY 2008; 19:465608. [PMID: 21836255 DOI: 10.1088/0957-4484/19/46/465608] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
We report here the development of stable aqueous suspensions of biocompatible superparamagnetic iron oxide nanoparticles (SPIONs). These so-called ferrofluids are useful in a large spectrum of modern biomedical applications, including novel diagnostic tools and targeted therapeutics. In order to provide prolonged circulation times for the nanoparticles in vivo, the initial iron oxide nanoparticles were coated with a biocompatible polymer poly(ethylene glycol) (PEG). To permit covalent bonding of PEG to the SPION surface, the latter was functionalized with a coupling agent, 3-aminopropyltrimethoxysilane (APS). This novel method of SPION PEGylation has been reproduced in numerous independent preparations. At each preparation step, particular attention was paid to determine the physico-chemical characteristics of the samples using a number of analytical techniques such as atomic absorption, Fourier transform infrared (FT-IR) spectroscopy and Raman spectroscopy, transmission electron microscopy (TEM), photon correlation spectroscopy (PCS, used for hydrodynamic diameter and zeta potential measurements) and magnetization measurements. The results confirm that aqueous suspensions of PEGylated SPIONs are stabilized by steric hindrance over a wide pH range between pH 4 and 10. Furthermore, the fact that the nanoparticle surface is nearly neutral is in agreement with immunological stealthiness expected for the future biomedical applications in vivo.
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Affiliation(s)
- K Hervé
- 'Nanovecteurs Magnétiques pour la Chimiothérapie', EA 4244 'Physicochimie des Matériaux et des Biomolécules', Université F. Rabelais, Faculté de Pharmacie, 37200 Tours, France
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