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Monteserín M, Larumbe S, Martínez AV, Burgui S, Francisco Martín L. Recent Advances in the Development of Magnetic Nanoparticles for Biomedical Applications. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 2021; 21:2705-2741. [PMID: 33653440 DOI: 10.1166/jnn.2021.19062] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The unique properties of magnetic nanoparticles have led them to be considered materials with significant potential in the biomedical field. Nanometric size, high surface-area ratio, ability to function at molecular level, exceptional magnetic and physicochemical properties, and more importantly, the relatively easy tailoring of all these properties to the specific requirements of the different biomedical applications, are some of the key factors of their success. In this paper, we will provide an overview of the state of the art of different aspects of magnetic nanoparticles, specially focusing on their use in biomedicine. We will explore their magnetic properties, synthetic methods and surface modifications, as well as their most significative physicochemical properties and their impact on the in vivo behaviour of these particles. Furthermore, we will provide a background on different applications of magnetic nanoparticles in biomedicine, such as magnetic drug targeting, magnetic hyperthermia, imaging contrast agents or theranostics. Besides, current limitations and challenges of these materials, as well as their future prospects in the biomedical field will be discussed.
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Affiliation(s)
- Maria Monteserín
- Centre of Advanced Surface Engineering and Advanced Materials, Asociación de la Industria Navarra, Ctra. Pamplona, s/n, Edificio AIN, C.P. 31191, Cordovilla, Navarra (Spain)
| | - Silvia Larumbe
- Centre of Advanced Surface Engineering and Advanced Materials, Asociación de la Industria Navarra, Ctra. Pamplona, s/n, Edificio AIN, C.P. 31191, Cordovilla, Navarra (Spain)
| | - Alejandro V Martínez
- Centre of Advanced Surface Engineering and Advanced Materials, Asociación de la Industria Navarra, Ctra. Pamplona, s/n, Edificio AIN, C.P. 31191, Cordovilla, Navarra (Spain)
| | - Saioa Burgui
- Centre of Advanced Surface Engineering and Advanced Materials, Asociación de la Industria Navarra, Ctra. Pamplona, s/n, Edificio AIN, C.P. 31191, Cordovilla, Navarra (Spain)
| | - L Francisco Martín
- Centre of Advanced Surface Engineering and Advanced Materials, Asociación de la Industria Navarra, Ctra. Pamplona, s/n, Edificio AIN, C.P. 31191, Cordovilla, Navarra (Spain)
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Cardoso VF, Francesko A, Ribeiro C, Bañobre-López M, Martins P, Lanceros-Mendez S. Advances in Magnetic Nanoparticles for Biomedical Applications. Adv Healthc Mater 2018; 7. [PMID: 29280314 DOI: 10.1002/adhm.201700845] [Citation(s) in RCA: 273] [Impact Index Per Article: 45.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 09/28/2017] [Indexed: 12/17/2022]
Abstract
Magnetic nanoparticles (NPs) are emerging as an important class of biomedical functional nanomaterials in areas such as hyperthermia, drug release, tissue engineering, theranostic, and lab-on-a-chip, due to their exclusive chemical and physical properties. Although some works can be found reviewing the main application of magnetic NPs in the area of biomedical engineering, recent and intense progress on magnetic nanoparticle research, from synthesis to surface functionalization strategies, demands for a work that includes, summarizes, and debates current directions and ongoing advancements in this research field. Thus, the present work addresses the structure, synthesis, properties, and the incorporation of magnetic NPs in nanocomposites, highlighting the most relevant effects of the synthesis on the magnetic and structural properties of the magnetic NPs and how these effects limit their utilization in the biomedical area. Furthermore, this review next focuses on the application of magnetic NPs on the biomedical field. Finally, a discussion of the main challenges and an outlook of the future developments in the use of magnetic NPs for advanced biomedical applications are critically provided.
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Affiliation(s)
- Vanessa Fernandes Cardoso
- Centro de Física; Universidade do Minho; 4710-057 Braga Portugal
- MEMS-Microelectromechanical Systems Research Unit; Universidade do Minho; 4800-058 Guimarães Portugal
| | | | - Clarisse Ribeiro
- Centro de Física; Universidade do Minho; 4710-057 Braga Portugal
- CEB-Centre of Biological Engineering; University of Minho; Campus de Gualtar 4710-057 Braga Portugal
| | | | - Pedro Martins
- Centro de Física; Universidade do Minho; 4710-057 Braga Portugal
| | - Senentxu Lanceros-Mendez
- BCMaterials; Parque Científico y Tecnológico de Bizkaia; 48160 Derio Spain
- IKERBASQUE; Basque Foundation for Science; 48013 Bilbao Spain
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Value of Functionalized Superparamagnetic Iron Oxide Nanoparticles in the Diagnosis and Treatment of Acute Temporal Lobe Epilepsy on MRI. Neural Plast 2016; 2016:2412958. [PMID: 26925269 PMCID: PMC4748095 DOI: 10.1155/2016/2412958] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 12/27/2015] [Accepted: 01/03/2016] [Indexed: 12/18/2022] Open
Abstract
Purpose. Although active targeting of drugs using a magnetic-targeted drug delivery system (MTDS) with superparamagnetic iron oxide nanoparticles (SPIONs) is a very effective treatment approach for tumors and other illnesses, successful results of drug-resistant temporal lobe epilepsy (TLE) are unprecedented. A hallmark in the neuropathology of TLE is brain inflammation, in particular the activation of interleukin-1β (IL-1β) induced by activated glial cells, which has been considered a new mechanistic target for treatment. The purpose of this study was to determine the feasibility of the functionalized SPIONs with anti-IL-1β monoclonal antibody (mAb) attached to render MRI diagnoses and simultaneously provide targeted therapy with the neutralization of IL-1β overexpressed in epileptogenic zone of an acute rat model of TLE. Experimental Design. The anti-IL-1β mAb-SPIONs were studied in vivo versus plain SPIONs and saline. Lithium-chloride pilocarpine-induced TLE models (n = 60) were followed by Western blot, Perl's iron staining, Nissl staining, and immunofluorescent double-label staining after MRI examination. Results. The magnetic anti-IL-1β mAb-SPION administered intravenously, which crossed the BBB and was concentrated in the astrocytes and neurons in epileptogenic tissues, rendered these tissues visible on MRI and simultaneously delivered anti-IL-1β mAb to the epileptogenic focus. Conclusions. Our study provides the first evidence that the novel approach enhanced accumulation and the therapeutic effect of anti-IL-1β mAb by MTDS using SPIONs.
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Lima-Tenório MK, Gómez Pineda EA, Ahmad NM, Fessi H, Elaissari A. Magnetic nanoparticles: In vivo cancer diagnosis and therapy. Int J Pharm 2015; 493:313-27. [DOI: 10.1016/j.ijpharm.2015.07.059] [Citation(s) in RCA: 96] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Revised: 07/06/2015] [Accepted: 07/21/2015] [Indexed: 10/23/2022]
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Bergs JWJ, Wacker MG, Hehlgans S, Piiper A, Multhoff G, Rödel C, Rödel F. The role of recent nanotechnology in enhancing the efficacy of radiation therapy. Biochim Biophys Acta Rev Cancer 2015; 1856:130-43. [PMID: 26142869 DOI: 10.1016/j.bbcan.2015.06.008] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2015] [Revised: 05/29/2015] [Accepted: 06/30/2015] [Indexed: 10/23/2022]
Abstract
Radiation therapy is one of the most commonly used non-surgical interventions in tumor treatment and is often combined with other modalities to enhance its efficacy. Despite recent advances in radiation oncology, treatment responses, however, vary considerably between individual patients. A variety of approaches have been developed to enhance radiation response or to counteract resistance to ionizing radiation. Among them, a relatively novel class of radiation sensitizers comprises nanoparticles (NPs) which are highly efficient and selective systems in the nanometer range. NPs can either encapsulate radiation sensitizing agents, thereby protecting them from degradation, or sensitize cancer cells to ionizing radiation via their physicochemical properties, e.g. high Z number. Moreover, they can be chemically modified for active molecular targeting and the imaging of tumors. In this review we will focus on recent developments in nanotechnology, different classes and modifications of NPs and their radiation sensitizing properties.
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Affiliation(s)
- Judith W J Bergs
- Department of Radiotherapy and Oncology, Goethe-University, Theodor-Stern-Kai 7, D-60590 Frankfurt am Main, Germany; German Cancer Research Center (DKFZ), Heidelberg, Germany; German Cancer Consortium (DKTK) partner site: Frankfurt, Germany
| | - Matthias G Wacker
- Fraunhofer-Institute for Molecular Biology and Applied Ecology, Department of Pharmaceutical Technology, Goethe University, Frankfurt am Main, Germany
| | - Stephanie Hehlgans
- Department of Radiotherapy and Oncology, Goethe-University, Theodor-Stern-Kai 7, D-60590 Frankfurt am Main, Germany
| | - Albrecht Piiper
- Department of Medicine I, Goethe-University, Frankfurt am Main, Germany
| | - Gabriele Multhoff
- German Cancer Research Center (DKFZ), Heidelberg, Germany; German Cancer Consortium (DKTK) partner site: Frankfurt, Germany; Department of Radiation Oncology, Technische Universität München, Ismaninger Str. 22, D-81675 Munich, Germany; Clinical Cooperation Group (CCG) "Innate Immunity in Tumor Biology", Helmholtz Zentrum München, German Research Center for Environmental Health Munich, Ingolstädter Landstr. 1, 85764 Neuherberg, Germany
| | - Claus Rödel
- Department of Radiotherapy and Oncology, Goethe-University, Theodor-Stern-Kai 7, D-60590 Frankfurt am Main, Germany; German Cancer Research Center (DKFZ), Heidelberg, Germany; German Cancer Consortium (DKTK) partner site: Frankfurt, Germany
| | - Franz Rödel
- Department of Radiotherapy and Oncology, Goethe-University, Theodor-Stern-Kai 7, D-60590 Frankfurt am Main, Germany.
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Shi J, Wang L, Gao J, Liu Y, Zhang J, Ma R, Liu R, Zhang Z. A fullerene-based multi-functional nanoplatform for cancer theranostic applications. Biomaterials 2014; 35:5771-84. [DOI: 10.1016/j.biomaterials.2014.03.071] [Citation(s) in RCA: 104] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2014] [Accepted: 03/26/2014] [Indexed: 01/16/2023]
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Shi J, Yu X, Wang L, Liu Y, Gao J, Zhang J, Ma R, Liu R, Zhang Z. PEGylated fullerene/iron oxide nanocomposites for photodynamic therapy, targeted drug delivery and MR imaging. Biomaterials 2013; 34:9666-77. [PMID: 24034498 DOI: 10.1016/j.biomaterials.2013.08.049] [Citation(s) in RCA: 115] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2013] [Accepted: 08/19/2013] [Indexed: 10/26/2022]
Abstract
Recently, fullerene and fullerene derivatives owning to their highly enriched physical and chemical properties have been widely explored for applications in many different fields including biomedicine. In this study, iron oxide nanoparticles (IONPs) were decorated onto the surface of fullerene (C60), and then PEGylation was performed to improve the solubility and biocompatibility of C60-IONP, obtaining a multi-functional C60-IONP-PEG nanocomposite with strong superparamagnetism and powerful photodynamic therapy capacity. Hematoporphyrin monomethyl ether (HMME), a new photodynamic anti-cancer drug, was conjugated to C60-IONP-PEG, forming a C60-IONP-PEG/HMME drug delivery system, which demonstrated an excellent magnetic targeting ability in cancer therapy. Compared with free HMME, remarkably enhanced photodynamic cancer cell killing effect using C60-IONP-PEG/HMME was realized not only in a cultured B16-F10 cells in vitro but also in an in vivo murine tumor model due to 23-fold higher HMME uptake of tumor and strong photodynamic activity of C60-IONP-PEG. Moreover, C60-IONP-PEG could be further used as a T2-contrast agent for in vivo magnetic resonance imaging. Our work showed C60-IONP-PEG/HMME had a great potential for cancer theranostic applications.
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Affiliation(s)
- Jinjin Shi
- School of Pharmaceutical Sciences, Zhengzhou University, 100 Kexue Avenue, Zhengzhou 450001, PR China
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Rittikulsittichai S, Singhana B, Bryan WW, Sarangi S, Jamison AC, Brazdeikis A, Lee TR. Preparation, characterization, and utilization of multi-functional magnetic-fluorescent composites for bio-imaging and magnetic hyperthermia therapy. RSC Adv 2013. [DOI: 10.1039/c3ra41002a] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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Wahajuddin, Arora S. Superparamagnetic iron oxide nanoparticles: magnetic nanoplatforms as drug carriers. Int J Nanomedicine 2012; 7:3445-71. [PMID: 22848170 PMCID: PMC3405876 DOI: 10.2147/ijn.s30320] [Citation(s) in RCA: 552] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
A targeted drug delivery system is the need of the hour. Guiding magnetic iron oxide nanoparticles with the help of an external magnetic field to its target is the principle behind the development of superparamagnetic iron oxide nanoparticles (SPIONs) as novel drug delivery vehicles. SPIONs are small synthetic γ-Fe2O3 (maghemite) or Fe3O4 (magnetite) particles with a core ranging between 10 nm and 100 nm in diameter. These magnetic particles are coated with certain biocompatible polymers, such as dextran or polyethylene glycol, which provide chemical handles for the conjugation of therapeutic agents and also improve their blood distribution profile. The current research on SPIONs is opening up wide horizons for their use as diagnostic agents in magnetic resonance imaging as well as for drug delivery vehicles. Delivery of anticancer drugs by coupling with functionalized SPIONs to their targeted site is one of the most pursued areas of research in the development of cancer treatment strategies. SPIONs have also demonstrated their efficiency as nonviral gene vectors that facilitate the introduction of plasmids into the nucleus at rates multifold those of routinely available standard technologies. SPION-induced hyperthermia has also been utilized for localized killing of cancerous cells. Despite their potential biomedical application, alteration in gene expression profiles, disturbance in iron homeostasis, oxidative stress, and altered cellular responses are some SPION-related toxicological aspects which require due consideration. This review provides a comprehensive understanding of SPIONs with regard to their method of preparation, their utility as drug delivery vehicles, and some concerns which need to be resolved before they can be moved from bench top to bedside.
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Affiliation(s)
- Wahajuddin
- Pharmacokinetics and Metabolism Division, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India.
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Mikhaylov G, Vasiljeva O. Promising approaches in using magnetic nanoparticles in oncology. Biol Chem 2012; 392:955-60. [PMID: 21848508 DOI: 10.1515/bc.2011.185] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The development of new and effective drug delivery systems for cancer treatment represents one of the significant challenges facing biomedical technology in the last decade. Among the different methods of drug delivery, magnetic drug targeting, by enabling specific delivery of chemotherapeutic agents through the use of magnetic nanoparticles and magnetic field gradient, could be a promising approach. Recently, magnetic nanoparticles have attracted additional attention because of their potential as contrast agents for magnetic resonance imaging and heat mediators for cancer therapy. This review summarizes these approaches in the use of magnetic nanoparticles in biomedical applications and novel methods for their optimization.
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Affiliation(s)
- Georgy Mikhaylov
- Department of Biochemistry and Molecular and Structural Biology, Jozef Stefan Institute, SI-1000 Ljubljana, Slovenia
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Mehta SK, Jindal N, Kaur G. Quantitative investigation, stability and in vitro release studies of anti-TB drugs in Triton niosomes. Colloids Surf B Biointerfaces 2011; 87:173-9. [DOI: 10.1016/j.colsurfb.2011.05.018] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2011] [Revised: 05/04/2011] [Accepted: 05/09/2011] [Indexed: 10/18/2022]
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Nacev A, Beni C, Bruno O, Shapiro B. The Behaviors of Ferro-Magnetic Nano-Particles In and Around Blood Vessels under Applied Magnetic Fields. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 2011; 323:651-668. [PMID: 21278859 PMCID: PMC3029028 DOI: 10.1016/j.jmmm.2010.09.008] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
In magnetic drug delivery, therapeutic magnetizable particles are typically injected into the blood stream and magnets are then used to concentrate them to disease locations. The behavior of such particles in-vivo is complex and is governed by blood convection, diffusion (in blood and in tissue), extravasation, and the applied magnetic fields. Using physical first-principles and a sophisticated vessel-membrane-tissue (VMT) numerical solver, we comprehensively analyze in detail the behavior of magnetic particles in blood vessels and surrounding tissue. For any blood vessel (of any size, depth, and blood velocity) and tissue properties, particle size and applied magnetic fields, we consider a Krogh tissue cylinder geometry and solve for the resulting spatial distribution of particles. We find that there are three prototypical behaviors (blood velocity dominated, magnetic force dominated, and boundary-layer formation) and that the type of behavior observed is uniquely determined by three non-dimensional numbers (the magnetic-Richardson number, mass Péclet number, and Renkin reduced diffusion coefficient). Plots and equations are provided to easily read out which behavior is found under which circumstances (Figures 5, 6, 7, and 8). We compare our results to previously published in-vitro and in-vivo magnetic drug delivery experiments. Not only do we find excellent agreement between our predictions and prior experimental observations, but we are also able to qualitatively and quantitatively explain behavior that was previously not understood.
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Affiliation(s)
- A. Nacev
- Fischell Department of Bioengineering
- University of Maryland at College Park
| | - C. Beni
- Applied and Computational Mathematics, California Institute of Technology
| | - O. Bruno
- Applied and Computational Mathematics, California Institute of Technology
| | - B. Shapiro
- Fischell Department of Bioengineering
- Institute for Systems Research
- University of Maryland at College Park
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Mahmoudi M, Sant S, Wang B, Laurent S, Sen T. Superparamagnetic iron oxide nanoparticles (SPIONs): development, surface modification and applications in chemotherapy. Adv Drug Deliv Rev 2011; 63:24-46. [PMID: 20685224 DOI: 10.1016/j.addr.2010.05.006] [Citation(s) in RCA: 973] [Impact Index Per Article: 74.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2010] [Revised: 05/12/2010] [Accepted: 05/19/2010] [Indexed: 12/12/2022]
Abstract
At present, nanoparticles are used for various biomedical applications where they facilitate laboratory diagnostics and therapeutics. More specifically for drug delivery purposes, the use of nanoparticles is attracting increasing attention due to their unique capabilities and their negligible side effects not only in cancer therapy but also in the treatment of other ailments. Among all types of nanoparticles, biocompatible superparamagnetic iron oxide nanoparticles (SPIONs) with proper surface architecture and conjugated targeting ligands/proteins have attracted a great deal of attention for drug delivery applications. This review covers recent advances in the development of SPIONs together with their possibilities and limitations from fabrication to application in drug delivery. In addition, the state-of-the-art synthetic routes and surface modification of desired SPIONs for drug delivery purposes are described.
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Affiliation(s)
- Morteza Mahmoudi
- National Cell Bank, Pasteur Institute of Iran, Tehran 1316943551, Iran.
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Enhanced ablation of high intensity focused ultrasound with microbubbles: an experimental study on rabbit hepatic VX2 tumors. Cardiovasc Intervent Radiol 2010; 34:1050-7. [PMID: 21127863 DOI: 10.1007/s00270-010-0052-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2010] [Accepted: 11/04/2010] [Indexed: 01/03/2023]
Abstract
PURPOSE This study was designed to assess the enhanced effect of high intensity focused ultrasound (HIFU) ablation with microbubbles on rabbit hepatic VX2 tumors and to compare the detection sensitivity of CEUS and CECT to determine the residual viable tissue after ablation of HIFU. METHODS Forty rabbits with hepatic VX2 tumors were randomly separated into two groups (20 animals per group) before HIFU ablation. A bolus of 0.2 mL of saline or a microbubble-based ultrasound (US) contrast agent was injected intravenously to group I rabbits and group II rabbits, respectively. The HIFU ablation procedure was started 15 s after the injection. Tumors were examined with grayscale contrast-enhanced ultrasound (CEUS) and contrast-enhanced computed tomography (CECT) immediately before and after HIFU ablation. Histopathologic assessment was performed immediately after treatment imaging. RESULTS Before ablation, intense contrast enhancement during arterial phase was observed at the whole tumors or the periphery of the tumors by CEUS and CECT. Lower HIFU energy was used in group II than in group I (P < 0.001). Histopathologic assessment revealed local residual viable tumor tissues due to incomplete ablation in 47.4% (9/19) of tumors in group I and 10% (2/20) of tumors in group II (P < 0.05). The concordance rate of CEUS (90.9%) with histopathology on residual tumor detection was higher than that of CECT (27.3%, P < 0.05). CONCLUSIONS Introduction of the microbubble agent enhances HIFU therapeutic efficacy. CEUS proves to have high sensitivity in assessment of residual viable rabbit VX2 tumor after HIFU.
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Tran N, Webster TJ. Magnetic nanoparticles: biomedical applications and challenges. ACTA ACUST UNITED AC 2010. [DOI: 10.1039/c0jm00994f] [Citation(s) in RCA: 291] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Barakat NS. Magnetically modulated nanosystems: a unique drug-delivery platform. Nanomedicine (Lond) 2009; 4:799-812. [PMID: 19839815 DOI: 10.2217/nnm.09.66] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Magnetic nanoparticles are attractive targets owing to their unique characteristics that are not shared by bulk materials. Magnetic particles, ranging from nanometer-sized to 1 µm in size, are being used in an increasing number of medical applications. The important properties of magnetic particles for medical applications are nontoxicity, biocompatiblilty, injectability and high-level accumulation in the target tissue or organ. Magnetic nanoparticles modified with organic molecules have been widely used for biotechnological and biomedical applications as their properties can be magnetically controlled by applying an external magnetic field. They offer high potential for numerous biomedical applications, such as cell separation, automated DNA extraction, gene targeting, drug delivery, MRI and hyperthermia. When coated with, for example, an antibody, they can be applied in highly sensitive immunoassays or small substance recoveries. Furthermore, a novel application of magnetic nanoparticles and magnetic forces for tissue engineering, termed ‘magnetic force-based tissue engineering’ has been proposed. Particular attention had been paid to the preparation methods that allow the synthesis of particles of nearly uniform size and shape.
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Affiliation(s)
- Nahla S Barakat
- Department of Pharmaceutics, College of Pharmacy, King Saud University, PO Box 22452, Riyadh 11495, Saudi Arabia
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Polyak B, Friedman G. Magnetic targeting for site-specific drug delivery: applications and clinical potential. Expert Opin Drug Deliv 2009; 6:53-70. [PMID: 19236208 DOI: 10.1517/17425240802662795] [Citation(s) in RCA: 157] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Magnetic vehicles are very attractive for delivery of therapeutic agents as they can be targeted to specific locations in the body through the application of a magnetic field gradient. The magnetic localization of a therapeutic agent results in the concentration of the therapy at the target site consequently reducing or eliminating the systemic drug side effects. OBJECTIVE The aim of this review is to provide an update on the progress made in the development of the magnetic targeting technique addressing characteristics of the magnetic carriers and limitations of the current targeting magnet systems. METHODS This review discusses fundamental requirements for the optimal formulation of the magnetic carrier, current applications and potentially new approaches for the magnetically mediated, site-specific localization of therapeutic agents, including drugs, genes and cells. RESULTS/CONCLUSION More efficient targeting magnetic systems in combination with prolonged circulation lifespan and carriers' surface recognition properties will improve the targeting efficiency of magnetic nanocarriers and enhance therapeutic agent availability at the molecular site of agent action. The main future magnetic targeting applications were categorized emphasizing the most promising directions and possible strategies for improving the magnetic targeting technique.
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Tran N, Webster TJ. Nanotechnology for bone materials. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2009; 1:336-51. [DOI: 10.1002/wnan.23] [Citation(s) in RCA: 100] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Nhiem Tran
- Department of Physics, Division of Engineering and Department of Orthopedics, Brown University, Providence, RI 02917, USA
| | - Thomas J. Webster
- Division of Engineering and Department of Orthopedics, Brown University, Providence, RI 02917, USA
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Literature Alerts. J Microencapsul 2008. [DOI: 10.3109/02652048509033845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Literature Alerts. J Microencapsul 2008. [DOI: 10.3109/02652048509031559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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Kingsley JD, Dou H, Morehead J, Rabinow B, Gendelman HE, Destache CJ. Nanotechnology: a focus on nanoparticles as a drug delivery system. J Neuroimmune Pharmacol 2007; 1:340-50. [PMID: 18040810 DOI: 10.1007/s11481-006-9032-4] [Citation(s) in RCA: 132] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
This review will provide an in-depth discussion on the previous development of nanoparticle-based drug delivery systems (DDS) and discuss original research data that includes the therapeutic enhancement of antiretroviral therapy. The use of nanoparticle DDS will allow practitioners to use drugs to target specific areas of the body. In the treatment of malignancies, the use of nanoparticles as a DDS is making measurable treatment impact. Medical imaging will also utilize DDS to illuminate tumors, the brain, or other cellular functions in the body. The utility of nanoparticle DDS to improve human health is potentially enormous.
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Affiliation(s)
- Jeffrey D Kingsley
- Center for Neurovirology and Neurodegenerative Disorders, University of Nebraska Medical Center, Omaha, NE 68198-5215, USA
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Sugiura K, Ohkawa K, Hirai T, Fujii T. ATPase-coupled release control from polyion complex capsules encapsulating muscle proteins. Macromol Biosci 2007; 7:508-16. [PMID: 17429832 DOI: 10.1002/mabi.200600269] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
In the present study, a muscle contractile protein complex, actomyosin, has been successfully encapsulated into gellan-chitosan polyion complex (PIC) capsules. The recovery of the myosin-ATPase activity is approximately 50% and the Mg2+-ATPase activity is stimulated by the presence of F-actin, which implies the formation of the actomyosin complex inside the capsule. Furthermore, encapsulation could protect the myosin, F-actin, and actomyosin inside from hydrolysis by proteases. Two small proteins, myoglobin and cytochrome c, have been used in the release tests. The release of myoglobin is not affected by the ionic strength of the external solution, while the release of cytochrome c increases with increasing ionic strength. The maximal releases are found in the external pH solution close to the isoelectric points of each protein. The Mg2+-ATP complex itself reduces the release percentages of the small proteins from the PIC capsule. The release amounts further decrease when coexisting with Mg2+-ATP and the encapsulated actomyosin, which indicates the release regulation by actomyosin. The present study suggests that the ATPase-coupled sliding motion of the myosin-F-actin filaments modifies the pore size of the polymer networks in the PIC capsule membranes.
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Affiliation(s)
- Kousuke Sugiura
- Department of Kansei Engineering, Faculty of Textile Science and Technology, Shinshu University, Japan
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Plank C, Anton M, Rudolph C, Rosenecker J, Krötz F. Enhancing and targeting nucleic acid delivery by magnetic force. Expert Opin Biol Ther 2003; 3:745-58. [PMID: 12880375 DOI: 10.1517/14712598.3.5.745] [Citation(s) in RCA: 88] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Insufficient contact of inherently highly active nucleic acid delivery systems with target cells is a primary reason for their often observed limited efficacy. Physical methods of targeting can overcome this limitation and reduce the risk of undesired side effects due to non-target site delivery. The authors and others have developed a novel means of physical targeting, exploiting magnetic force acting on nucleic acid vectors associated with magnetic particles in order to mediate the rapid contact of vectors with target cells. Here, the principles of magnetic drug and nucleic acid delivery are reviewed, and the facts and potentials of the technique for research and therapeutic applications are discussed. Magnetically enhanced nucleic acid delivery - magnetofection - is universally applicable to viral and non-viral vectors, is extraordinarily rapid, simple and yields saturation level transfection at low dose in vitro. The method is useful for site-specific vector targeting in vivo. Exploiting the full potential of the technique requires an interdisciplinary research effort in magnetic field physics, magnetic particle chemistry, pharmaceutical formulation and medical application.
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Affiliation(s)
- Christian Plank
- Institute of Experimental Oncology, Technische Universität München, Ismaninger Str. 22, 81675 Munich, Germany.
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Chien YW, Lin S. Optimisation of treatment by applying programmable rate-controlled drug delivery technology. Clin Pharmacokinet 2003; 41:1267-99. [PMID: 12452738 DOI: 10.2165/00003088-200241150-00003] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
A number of programmable rate-controlled drug delivery technologies have been developed during the last two decades with the aim of regulating the rate of drug delivery, sustaining the duration of therapeutic action and/or targeting the delivery of drug to a specific tissue. As a result, several therapeutically beneficial outcomes can be achieved, such as: (i) controlled delivery of a therapeutic dose at a desirable rate of delivery; (ii) maintenance of drug concentrations within an optimal therapeutic range for prolonged duration of treatment; (iii) maximisation of efficacy-dose relationship; (iv) reduction of adverse effects; (v) minimisation of the need for frequent dose intake; and (vi) enhancement of patient compliance. The treatment of illness can thus be optimised. To gain a better understanding of how to optimise the treatment of illnesses by applying programmable rate-controlled drug delivery technologies, this article reviews the scientific concepts and technical principles behind the development of various programmable rate-controlled drug delivery systems that have been marketed or are under active development. Finally, the roles of these technologies in optimising therapeutic outcomes in nine therapeutic areas are discussed.
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Affiliation(s)
- Yie W Chien
- College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
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Weissleder R, Bogdanov A, Neuwelt EA, Papisov M. Long-circulating iron oxides for MR imaging. Adv Drug Deliv Rev 1995. [DOI: 10.1016/0169-409x(95)00033-4] [Citation(s) in RCA: 331] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Use of magnetically controlled microcapsules in combination (Chemothermomagneto-) therapy of experimental tumors. Bull Exp Biol Med 1990. [DOI: 10.1007/bf00839666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Povey AC, Nixon JR, O'Neill IK. Trapping of chemical carcinogens with magnetic polyethyleneimine microcapsules: II. Effect of membrane and reactant structures. J Pharm Sci 1987; 76:194-200. [PMID: 3585734 DOI: 10.1002/jps.2600760303] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Effects of the membrane structure and reactant type on the trapping of carcinogens and other reactive species by semipermeable magnetic polyethyleneimine (PEI) microcapsules are investigated. A series of these microcapsules with poly(hexamethyleneterephthalamide) membranes was prepared by interfacial polymerization with an 8-fold variation of hexamethylenediamine concentration in the aqueous emulsion phase. Although little change was found in the encapsulation of PEI (within the microcapsule core) and magnetite, the microcapsule membrane showed a 6-fold alteration in regard to mass and associated PEI. All the microcapsule types tested were capable of trapping N-methyl-N-nitrosourea and fluorescein isothiocyanate as covalent-binding probes, and eosin and tetrasodium copper phthalocyanine tetrasulfonic acid (CPTS) as ionic-binding probes. Very rapid penetration and reaction of eosin and CPTS with the membranes was demonstrated, with apparent saturation of membrane binding affecting the overall trapping. Differences in the site and quantity of binding were ascribed to the following factors: the core:membrane distribution of incorporated PEI; the probe molecular weight; the reaction or adsorption of the probes with the microcapsule membrane; the probe stability in aqueous solution; and the amount of probe used. These probes represent the chemical-physical features of many known carcinogens or metabolites; together with previous data, these results indicate the potential usefulness of this type of microcapsule for trapping carcinogens (and their metabolites) as covalently or ionically bound products.
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