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In Vitro Studies of Pegylated Magnetite Nanoparticles in a Cellular Model of Viral Oncogenesis: Initial Studies to Evaluate Their Potential as a Future Theranostic Tool. Pharmaceutics 2023; 15:pharmaceutics15020488. [PMID: 36839809 PMCID: PMC9967771 DOI: 10.3390/pharmaceutics15020488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/17/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
Magnetic nanosystems represent promising alternatives to the traditional diagnostic and treatment procedures available for different pathologies. In this work, a series of biological tests are proposed, aiming to validate a magnetic nanoplatform for Kaposi's sarcoma treatment. The selected nanosystems were polyethylene glycol-coated iron oxide nanoparticles (MAG.PEG), which were prepared by the hydrothermal method. Physicochemical characterization was performed to verify their suitable physicochemical properties to be administered in vivo. Exhaustive biological assays were conducted, aiming to validate this platform in a specific biomedical field related to viral oncogenesis diseases. As a first step, the MAG.PEG cytotoxicity was evaluated in a cellular model of Kaposi's sarcoma. By phase contrast microscopy, it was found that cell morphology remained unchanged regardless of the nanoparticles' concentration (1-150 µg mL-1). The results, arising from the crystal violet technique, revealed that the proliferation was also unaffected. In addition, cell viability analysis by MTS and neutral red assays revealed a significant increase in metabolic and lysosomal activity at high concentrations of MAG.PEG (100-150 µg mL-1). Moreover, an increase in ROS levels was observed at the highest concentration of MAG.PEG. Second, the iron quantification assays performed by Prussian blue staining showed that MAG.PEG cellular accumulation is dose dependent. Furthermore, the presence of vesicles containing MAG.PEG inside the cells was confirmed by TEM. Finally, the MAG.PEG steering was achieved using a static magnetic field generated by a moderate power magnet. In conclusion, MAG.PEG at a moderate concentration would be a suitable drug carrier for Kaposi's sarcoma treatment, avoiding adverse effects on normal tissues. The data included in this contribution appear as the first stage in proposing this platform as a suitable future theranostic to improve Kaposi's sarcoma therapy.
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Soleymani-Goloujeh M, Hosseini S, Baghaban Eslaminejad M. Advanced Nanotechnology Approaches as Emerging Tools in Cellular-Based Technologies. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1409:127-144. [PMID: 35816248 DOI: 10.1007/5584_2022_725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Stem cells are valuable tools in regenerative medicine because they can generate a wide variety of cell types and tissues that can be used to treat or replace damaged tissues and organs. However, challenges related to the application of stem cells in the scope of regenerative medicine have urged scientists to utilize nanomedicine as a prerequisite to circumvent some of these hurdles. Nanomedicine plays a crucial role in this process and manipulates surface biology, the fate of stem cells, and biomaterials. Many attempts have been made to modify cellular behavior and improve their regenerative ability using nano-based strategies. Notably, nanotechnology applications in regenerative medicine and cellular therapies are controversial because of ethical and legal considerations. Therefore, this review describes nanotechnology in cell-based applications and focuses on newly proposed nano-based approaches. Cutting-edge strategies to engineer biological tissues and the ethical, legal, and social considerations of nanotechnology in regenerative nanomedicine applications are also discussed.
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Affiliation(s)
- Mehdi Soleymani-Goloujeh
- Department of Applied Cell Sciences, Faculty of Basic Sciences and Advanced Medical Technologies, Royan Institute, ACECR, Tehran, Iran
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Samaneh Hosseini
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
- Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
| | - Mohamadreza Baghaban Eslaminejad
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
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Wang Y, Zou L, Qiang Z, Jiang J, Zhu Z, Ren J. Enhancing Targeted Cancer Treatment by Combining Hyperthermia and Radiotherapy Using Mn–Zn Ferrite Magnetic Nanoparticles. ACS Biomater Sci Eng 2020; 6:3550-3562. [DOI: 10.1021/acsbiomaterials.0c00287] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Yijue Wang
- Institute of Nano and Biopolymeric Materials, School of Materials Science and Engineering, Tongji University, Shanghai 201804, China
| | - Liqing Zou
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Zhe Qiang
- School of Polymer Science and Engineering, The University of Southern Mississippi, Hattiesburg, Mississippi 39406, United States
| | - Jianhai Jiang
- NHC Key Laboratory of Glycoconjugates Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Zhengfei Zhu
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
- Institute of Thoracic Oncology, Fudan University, Shanghai 200032, China
| | - Jie Ren
- Institute of Nano and Biopolymeric Materials, School of Materials Science and Engineering, Tongji University, Shanghai 201804, China
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New Frontiers in Molecular Imaging with Superparamagnetic Iron Oxide Nanoparticles (SPIONs): Efficacy, Toxicity, and Future Applications. Nucl Med Mol Imaging 2020; 54:65-80. [PMID: 32377258 DOI: 10.1007/s13139-020-00635-w] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 12/23/2019] [Accepted: 01/22/2020] [Indexed: 12/29/2022] Open
Abstract
Supermagnetic Iron Oxide Nanoparticles (SPIONs) are nanoparticles that have an iron oxide core and a functionalized shell. SPIONs have recently raised much interest in the scientific community, given their exciting potential diagnostic and theragnostic applications. The possibility to modify their surface and the characteristics of their core make SPIONs a specific contrast agent for magnetic resonance imaging but also an intriguing family of tracer for nuclear medicine. An example is 68Ga-radiolabeled bombesin-conjugated to superparamagnetic nanoparticles coated with trimethyl chitosan that is selective for the gastrin-releasing peptide receptors. These receptors are expressed by several human cancer cells such as breast and prostate neoplasia. Since the coating does not interfere with the properties of the molecules bounded to the shell, it has been proposed to link SPIONs with antibodies. SPIONs can be used also to monitor the biodistribution of mesenchymal stromal cells and take place in various applications. The aim of this review of literature is to analyze the diagnostic aspect of SPIONs in magnetic resonance imaging and in nuclear medicine, with a particular focus on sentinel lymph node applications. Moreover, it is taken into account the possible toxicity and the effects on human physiology to determine the SPIONs' safety.
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5
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Targeted magnetic iron oxide nanoparticles: Preparation, functionalization and biomedical application. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.05.030] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Dynamics of Superparamagnetic Iron Oxide Nanoparticles with Various Polymeric Coatings. MATERIALS 2019; 12:ma12111793. [PMID: 31163583 PMCID: PMC6600702 DOI: 10.3390/ma12111793] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 05/27/2019] [Accepted: 05/28/2019] [Indexed: 12/14/2022]
Abstract
In this article, the results of a study of the magnetic dynamics of superparamagnetic iron oxide nanoparticles (SPIONs) with chitosan and polyethylene glycol (PEG) coatings are reported. The materials were prepared by the co-precipitation method and characterized by X-ray diffraction, dynamic light scattering and scanning transmission electron microscopy. It was shown that the cores contain maghemite, and their hydrodynamic diameters vary from 49 nm for PEG-coated to 200 nm for chitosan-coated particles. The magnetic dynamics of the nanoparticles in terms of the function of temperature was studied with magnetic susceptometry and Mössbauer spectroscopy. Their superparamagnetic fluctuations frequencies, determined from the fits of Mössbauer spectra, range from tens to hundreds of megahertz at room temperature and mostly decrease in the applied magnetic field. For water suspensions of nanoparticles, maxima are observed in the absorption part of magnetic susceptibility and they shift to higher temperatures with increasing excitation frequency. A step-like decrease of the susceptibility occurs at freezing, and from that, the Brown's and Néel's contributions are extracted and compared for nanoparticles differing in core sizes and types of coating. The results are analyzed and discussed with respect to the tailoring of the dynamic properties of these nanoparticle materials for requirements related to the characteristic frequency ranges of MRI and electromagnetic field hyperthermia.
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Dulińska-Litewka J, Łazarczyk A, Hałubiec P, Szafrański O, Karnas K, Karewicz A. Superparamagnetic Iron Oxide Nanoparticles-Current and Prospective Medical Applications. MATERIALS 2019; 12:ma12040617. [PMID: 30791358 PMCID: PMC6416629 DOI: 10.3390/ma12040617] [Citation(s) in RCA: 241] [Impact Index Per Article: 48.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Revised: 02/02/2019] [Accepted: 02/13/2019] [Indexed: 02/07/2023]
Abstract
The recent, fast development of nanotechnology is reflected in the medical sciences. Superparamagnetic Iron Oxide Nanoparticles (SPIONs) are an excellent example. Thanks to their superparamagnetic properties, SPIONs have found application in Magnetic Resonance Imaging (MRI) and magnetic hyperthermia. Unlike bulk iron, SPIONs do not have remnant magnetization in the absence of the external magnetic field; therefore, a precise remote control over their action is possible. This makes them also useful as a component of the advanced drug delivery systems. Due to their easy synthesis, biocompatibility, multifunctionality, and possibility of further surface modification with various chemical agents, SPIONs could support many fields of medicine. SPIONs have also some disadvantages, such as their high uptake by macrophages. Nevertheless, based on the ongoing studies, they seem to be very promising in oncological therapy (especially in the brain, breast, prostate, and pancreatic tumors). The main goal of our paper is, therefore, to present the basic properties of SPIONs, to discuss their current role in medicine, and to review their applications in order to inspire future developments of new, improved SPION systems.
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Affiliation(s)
- Joanna Dulińska-Litewka
- Chair of Medical Biochemistry, Jagiellonian University Medical College, 7 Kopernika St., 31-034 Kraków, Poland.
| | - Agnieszka Łazarczyk
- Chair of Medical Biochemistry, Jagiellonian University Medical College, 7 Kopernika St., 31-034 Kraków, Poland.
| | - Przemysław Hałubiec
- Chair of Medical Biochemistry, Jagiellonian University Medical College, 7 Kopernika St., 31-034 Kraków, Poland.
| | - Oskar Szafrański
- Chair of Medical Biochemistry, Jagiellonian University Medical College, 7 Kopernika St., 31-034 Kraków, Poland.
| | - Karolina Karnas
- Department of Chemistry, Jagiellonian University, 2 Gronostajowa St., 30-387 Kraków, Poland.
| | - Anna Karewicz
- Department of Chemistry, Jagiellonian University, 2 Gronostajowa St., 30-387 Kraków, Poland.
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8
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Victor SP, Selvam S, Sharma CP. Recent Advances in Biomaterials Science and Engineering Research in India: A Minireview. ACS Biomater Sci Eng 2019; 5:3-18. [PMID: 33405853 DOI: 10.1021/acsbiomaterials.8b00233] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Biomedical research in health innovation and product development encompasses convergent technologies that primarily integrate biomaterials science and engineering at its core. Particularly, research in this area is instrumental for the implementation of biomedical devices (BMDs) that offer innovative solutions to help maintain and improve quality of life of patients worldwide. Despite achieving extraordinary success, implantable BMDs are still confronted with complex engineering and biological challenges that need to addressed for augmenting device performance and prolonging lifetime in vivo. Biofabrication of tissue constructs, designing novel biomaterials and employing rational biomaterial design approaches, surface engineering of implants, point of care diagnostics and micro/nano-based biosensors, smart drug delivery systems, and noninvasive imaging methodologies are among strategies exploited for improving clinical performance of implantable BMDs. In India, advances in biomedical technologies have dramatically advanced health care over the last few decades and the country is well-positioned to identify opportunities and translate emerging solutions. In this article, we attempt to capture the recent advances in biomedical research and development progressing across the country and highlight the significant research work accomplished in the areas of biomaterials science and engineering.
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Affiliation(s)
- Sunita P Victor
- Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Satelmond Palace Campus, Poojappura, Trivandrum 695012, India
| | - Shivaram Selvam
- Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Satelmond Palace Campus, Poojappura, Trivandrum 695012, India
| | - Chandra P Sharma
- Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Satelmond Palace Campus, Poojappura, Trivandrum 695012, India
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9
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Che C, Li Y, Liang X, Gong Z, Liu J, Yang G. A Novel Biodegradable Hollow Nanocarrier Consisting Superparamagnetic Fe 3O 4-loaded poly-γ- glutamic Acid and Chitosan Oligosaccharide for Targeted Delivery of Sulforaphane from Broccoli Seed Extracts. J HARD TISSUE BIOL 2019. [DOI: 10.2485/jhtb.28.297] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
| | - Yuan Li
- Collage of Life Sciences, Qufu Normal University
| | - Xinxin Liang
- Collage of Life Sciences, Qufu Normal University
| | - Zhijin Gong
- Collage of Life Sciences, Qufu Normal University
| | - Jinfeng Liu
- Collage of Life Sciences, Qufu Normal University
| | - Ge Yang
- Collage of Life Sciences, Qufu Normal University
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10
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Dadfar SM, Roemhild K, Drude NI, von Stillfried S, Knüchel R, Kiessling F, Lammers T. Iron oxide nanoparticles: Diagnostic, therapeutic and theranostic applications. Adv Drug Deliv Rev 2019; 138:302-325. [PMID: 30639256 PMCID: PMC7115878 DOI: 10.1016/j.addr.2019.01.005] [Citation(s) in RCA: 577] [Impact Index Per Article: 115.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 12/19/2018] [Accepted: 01/04/2019] [Indexed: 12/27/2022]
Abstract
Many different iron oxide nanoparticles have been evaluated over the years, for a wide variety of biomedical applications. We here summarize the synthesis, surface functionalization and characterization of iron oxide nanoparticles, as well as their (pre-) clinical use in diagnostic, therapeutic and theranostic settings. Diagnostic applications include liver, lymph node, inflammation and vascular imaging, employing mostly magnetic resonance imaging but recently also magnetic particle imaging. Therapeutic applications encompass iron supplementation in anemia and advanced cancer treatments, such as modulation of macrophage polarization, magnetic fluid hyperthermia and magnetic drug targeting. Because of their properties, iron oxide nanoparticles are particularly useful for theranostic purposes. Examples of such setups, in which diagnosis and therapy are intimately combined and in which iron oxide nanoparticles are used, are image-guided drug delivery, image-guided and microbubble-mediated opening of the blood-brain barrier, and theranostic tissue engineering. Together, these directions highlight the versatility and the broad applicability of iron oxide nanoparticles, and indicate the integration in future medical practice of multiple iron oxide nanoparticle-based materials.
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Affiliation(s)
- Seyed Mohammadali Dadfar
- Department of Nanomedicine and Theranostics, Institute for Experimental Molecular Imaging, RWTH Aachen University Clinic, Aachen, Germany
| | - Karolin Roemhild
- Department of Nanomedicine and Theranostics, Institute for Experimental Molecular Imaging, RWTH Aachen University Clinic, Aachen, Germany; Institute of Pathology, Medical Faculty, RWTH Aachen University Clinic, Aachen, Germany
| | - Natascha I Drude
- Department of Nanomedicine and Theranostics, Institute for Experimental Molecular Imaging, RWTH Aachen University Clinic, Aachen, Germany; Department of Nuclear Medicine, RWTH Aachen University Clinic, Aachen, Germany; Leibniz Institute for Interactive Materials - DWI, RWTH Aachen University, Aachen, Germany
| | - Saskia von Stillfried
- Institute of Pathology, Medical Faculty, RWTH Aachen University Clinic, Aachen, Germany
| | - Ruth Knüchel
- Institute of Pathology, Medical Faculty, RWTH Aachen University Clinic, Aachen, Germany
| | - Fabian Kiessling
- Department of Nanomedicine and Theranostics, Institute for Experimental Molecular Imaging, RWTH Aachen University Clinic, Aachen, Germany
| | - Twan Lammers
- Department of Nanomedicine and Theranostics, Institute for Experimental Molecular Imaging, RWTH Aachen University Clinic, Aachen, Germany; Department of Pharmaceutics, Utrecht University, Utrecht, The Netherlands; Department of Targeted Therapeutics, University of Twente, Enschede, The Netherlands.
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11
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Kayyali MN, Ramsey AJ, Higbee-Dempsey EM, Yan L, O'Malley BW, Tsourkas A, Li D. The Development of a Nano-based Approach to Alleviate Cisplatin-Induced Ototoxicity. J Assoc Res Otolaryngol 2018; 19:123-132. [PMID: 29349595 DOI: 10.1007/s10162-017-0648-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Accepted: 11/28/2017] [Indexed: 11/30/2022] Open
Abstract
Cisplatin-induced hearing loss is experienced by a high percentage of patients with squamous cell carcinoma undergoing cisplatin chemotherapy. A novel nano-construct capable of sequestering extracellular cisplatin was developed to combat this problem. The nano-construct consisted of superparamagnetic iron oxide nanoparticles (SPIONs) entrapped within polymeric micelles, which were formed from a glutathione diethyl ester-conjugated amphiphilic diblock copolymer. The glutathione-micelles were analyzed at the cellular level and in an organotypic study for safety evaluation. All utilized methods indicated that the micelles do not cause cellular toxicity or organ damage. The micelles' ability to reduce cisplatin-induced cytotoxicity was then probed in an in vitro model. Cisplatin was pre-treated with the novel nano-construct before being added to growing cells. When compared to cells that were exposed to untreated cisplatin, cells in the pre-treated cisplatin group showed a significant increase in cell viability. This clearly demonstrates that the construct is able to protect the cells from cisplatin cytotoxicity and makes it highly likely that the novel nano-construct will be able to play a role in the protection of the inner ear from cisplatin-induced ototoxicity.
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Affiliation(s)
- Mohammad N Kayyali
- Department of Otolaryngology - Head & Neck Surgery, University of Pennsylvania Health System, BRB 1220, 421 Curie Blvd, Philadelphia, PA, 19104, USA
| | - Andrew J Ramsey
- Department of Otolaryngology - Head & Neck Surgery, University of Pennsylvania Health System, BRB 1220, 421 Curie Blvd, Philadelphia, PA, 19104, USA
| | - Elizabeth M Higbee-Dempsey
- Department of Bioengineering, University of Pennsylvania, 210 S. 33rd Street, 240 Skirkanich Hall, Philadelphia, PA, 19104, USA
| | - Lesan Yan
- Department of Bioengineering, University of Pennsylvania, 210 S. 33rd Street, 240 Skirkanich Hall, Philadelphia, PA, 19104, USA
| | - Bert W O'Malley
- Department of Otolaryngology - Head & Neck Surgery, University of Pennsylvania Health System, BRB 1220, 421 Curie Blvd, Philadelphia, PA, 19104, USA
| | - Andrew Tsourkas
- Department of Bioengineering, University of Pennsylvania, 210 S. 33rd Street, 240 Skirkanich Hall, Philadelphia, PA, 19104, USA
| | - Daqing Li
- Department of Otolaryngology - Head & Neck Surgery, University of Pennsylvania Health System, BRB 1220, 421 Curie Blvd, Philadelphia, PA, 19104, USA.
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12
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Mazur J, Roy K, Kanwar JR. Recent advances in nanomedicine and survivin targeting in brain cancers. Nanomedicine (Lond) 2017; 13:105-137. [PMID: 29161215 DOI: 10.2217/nnm-2017-0286] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Brain cancer is a highly lethal disease, especially devastating toward both the elderly and children. This cancer has no therapeutics available to combat it, predominately due to the blood-brain barrier (BBB) preventing treatments from maintaining therapeutic levels within the brain. Recently, nanoparticle technology has entered the forefront of cancer therapy due to its ability to deliver therapeutic effects while potentially passing physiological barriers. Key nanoparticles for brain cancer treatment include glutathione targeted PEGylated liposomes, gold nanoparticles, superparamagnetic iron oxide nanoparticles and nanoparticle-albumin bound drugs, with these being discussed throughout this review. Recently, the survivin protein has gained attention as it is over-expressed in a majority of tumors. This review will briefly discuss the properties of survivin, while focusing on how both nanoparticles and survivin-targeting treatments hold potential as brain cancer therapies. This review may provide useful insight into new brain cancer treatment options, particularly survivin inhibition and nanomedicine.
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Affiliation(s)
- Jake Mazur
- Nanomedicine-Laboratory of Immunology & Molecular Biomedical Research, Centre for Molecular and Medical Research (CMMR), School of Medicine, Faculty of Health, Deakin University, Waurn Ponds, Geelong VIC 3217, Australia
| | - Kislay Roy
- Nanomedicine-Laboratory of Immunology & Molecular Biomedical Research, Centre for Molecular and Medical Research (CMMR), School of Medicine, Faculty of Health, Deakin University, Waurn Ponds, Geelong VIC 3217, Australia
| | - Jagat R Kanwar
- Nanomedicine-Laboratory of Immunology & Molecular Biomedical Research, Centre for Molecular and Medical Research (CMMR), School of Medicine, Faculty of Health, Deakin University, Waurn Ponds, Geelong VIC 3217, Australia
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Truzzi E, Bongio C, Sacchetti F, Maretti E, Montanari M, Iannuccelli V, Vismara E, Leo E. Self-Assembled Lipid Nanoparticles for Oral Delivery of Heparin-Coated Iron Oxide Nanoparticles for Theranostic Purposes. Molecules 2017; 22:molecules22060963. [PMID: 28598368 PMCID: PMC6152759 DOI: 10.3390/molecules22060963] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 06/01/2017] [Accepted: 06/05/2017] [Indexed: 12/22/2022] Open
Abstract
Recently, solid lipid nanoparticles (SLNs) have attracted increasing attention owing to their potential as an oral delivery system, promoting intestinal absorption in the lymphatic circulation which plays a role in disseminating metastatic cancer cells and infectious agents throughout the body. SLN features can be exploited for the oral delivery of theranostics. Therefore, the aim of this work was to design and characterise self-assembled lipid nanoparticles (SALNs) to encapsulate and stabilise iron oxide nanoparticles non-covalently coated with heparin (Fe@hepa) as a model of a theranostic tool. SALNs were characterised for physico-chemical properties (particle size, surface charge, encapsulation efficiency, in vitro stability, and heparin leakage), as well as in vitro cytotoxicity by methyl thiazole tetrazolium (MTT) assay and cell internalisation in CaCo-2, a cell line model used as an indirect indication of intestinal lymphatic absorption. SALNs of about 180 nm, which are stable in suspension and have a high encapsulation efficiency (>90%) were obtained. SALNs were able to stabilise the heparin coating of Fe@hepa, which are typically unstable in physiological environments. Moreover, SALNs–Fe@hepa showed no cytotoxicity, although their ability to be internalised into CaCo-2 cells was highlighted by confocal microscopy analysis. Therefore, the results indicated that SALNs can be considered as a promising tool to orally deliver theranostic Fe@hepa into the lymphatic circulation, although further in vivo studies are needed to comprehend further potential applications.
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Affiliation(s)
- Eleonora Truzzi
- Department of Life Sciences, University of Modena and Reggio Emilia, via Campi 103, 41125 Modena, Italy.
| | - Chiara Bongio
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", via Mancinelli 7, Politecnico di Milano, 20131 Milano, Italy.
| | - Francesca Sacchetti
- Department of Life Sciences, University of Modena and Reggio Emilia, via Campi 103, 41125 Modena, Italy.
| | - Eleonora Maretti
- Department of Life Sciences, University of Modena and Reggio Emilia, via Campi 103, 41125 Modena, Italy.
| | - Monica Montanari
- Department of Life Sciences, University of Modena and Reggio Emilia, via Campi 287, 41125 Modena, Italy.
| | - Valentina Iannuccelli
- Department of Life Sciences, University of Modena and Reggio Emilia, via Campi 103, 41125 Modena, Italy.
| | - Elena Vismara
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", via Mancinelli 7, Politecnico di Milano, 20131 Milano, Italy.
| | - Eliana Leo
- Department of Life Sciences, University of Modena and Reggio Emilia, via Campi 103, 41125 Modena, Italy.
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14
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Huang Y, Mao K, Zhang B, Zhao Y. Superparamagnetic iron oxide nanoparticles conjugated with folic acid for dual target-specific drug delivery and MRI in cancer theranostics. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 70:763-771. [DOI: 10.1016/j.msec.2016.09.052] [Citation(s) in RCA: 135] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Revised: 09/08/2016] [Accepted: 09/23/2016] [Indexed: 01/13/2023]
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15
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Iatridi Z, Vamvakidis K, Tsougos I, Vassiou K, Dendrinou-Samara C, Bokias G. Multifunctional Polymeric Platform of Magnetic Ferrite Colloidal Superparticles for Luminescence, Imaging, and Hyperthermia Applications. ACS APPLIED MATERIALS & INTERFACES 2016; 8:35059-35070. [PMID: 27966875 DOI: 10.1021/acsami.6b13161] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Adequately designed multiresponsive water-soluble graft copolymers were used to serve as a multifunctional polymeric platform for the encapsulation and transfer in aqueous media of hydrophobic magnetic nanoparticles (MNPs). The backbone of the graft copolymers was composed of hydrophilic sodium methacrylate units, hydrophobic dodecyl methacrylate units, and luminescent quinoline-based units, while either the homopolymer poly(N-isopropylacrylamide) or a poly(N,N-dimethylacrylamide-co-N-isopropylacrylamide) copolymer was used as thermosensitive pendent side chains. The polymeric platform forms micellar-type assemblies in aqueous solution, and exhibits pH-responsive luminescent properties and a lower critical solution temperature behavior in water. Depending on the design of the side chains, the cloud point temperatures were determined at 38 and 42 °C, close or slightly above body temperature (37 °C). Above the critical micelle concentration (CMC), both graft copolymers can effectively stabilize in aqueous media as magnetic colloidal superparticles (MSPs), oleylamine-coated MnFe2O4 MNPs, as well as 1:1 mixture of oleylamine-coated MnFe2O4 and CoFe2O4 MNPs. When CoFe2O4 particles were mixed with MnFeO4 in equal amounts, the specific loss power increased significantly, while an opposite trend was observed in the magnetic resonance imaging (MRI) studies, probably due to the anisotropy of cobalt. As a consequence, fine-tuning of the chemical structure of the copolymers and the composition of the MSPs can lead to materials that are able to act simultaneously as luminescent, hyperthermia, and contrast MRI agents.
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Affiliation(s)
| | - Kosmas Vamvakidis
- Department of Chemistry, Aristotle University of Thessaloniki , GR-54124 Thessaloniki, Greece
| | - Ioannis Tsougos
- Department of Medical Physics, University Hospital of Larissa, University of Thessaly, Biopolis , GR-41110 Larisa, Greece
| | - Katerina Vassiou
- Department of Radiology, University Hospital of Larissa, University of Thessaly, Biopolis , GR-41110 Larisa, Greece
| | | | - Georgios Bokias
- Department of Chemistry, University of Patras , GR-26504 Patras, Greece
- FORTH/ICE-HT , Stadiou Street, P.O. Box 1414, GR-26504 Rio-Patras, Greece
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Situ JQ, Wang XJ, Zhu XL, Xu XL, Kang XQ, Hu JB, Lu CY, Ying XY, Yu RS, You J, Du YZ. Multifunctional SPIO/DOX-loaded A54 Homing Peptide Functionalized Dextran-g-PLGA Micelles for Tumor Therapy and MR Imaging. Sci Rep 2016; 6:35910. [PMID: 27775017 PMCID: PMC5075939 DOI: 10.1038/srep35910] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Accepted: 10/04/2016] [Indexed: 12/12/2022] Open
Abstract
Specific delivery of chemotherapy drugs and magnetic resonance imaging (MRI) contrast agent into tumor cells is one of the issues to highly efficient tumor targeting therapy and magnetic resonance imaging. Here, A54 peptide-functionalized poly(lactic-co-glycolic acid)-grafted dextran (A54-Dex-PLGA) was synthesized. The synthesized A54-Dex-PLGA could self-assemble to form micelles with a low critical micelle concentration of 22.51 μg. mL−1 and diameter of about 50 nm. The synthetic A54-Dex-PLGA micelles can encapsulate doxorubicin (DOX) as a model anti-tumor drug and superparamagnetic iron oxide (SPIO) as a contrast agent for MRI. The drug-encapsulation efficiency was about 80% and the in vitro DOX release was prolonged to 72 hours. The DOX/SPIO-loaded micelles could specifically target BEL-7402 cell line. In vitro MRI results also proved the specific binding ability of A54-Dex-PLGA/DOX/SPIO micelles to hepatoma cell BEL-7402. The in vivo MR imaging experiments using a BEL-7402 orthotopic implantation model further validated the targeting effect of DOX/SPIO-loaded micelles. In vitro and in vivo anti-tumor activities results showed that A54-Dex-PLGA/DOX/SPIO micelles revealed better therapeutic effects compared with Dex-PLGA/DOX/SPIO micelles and reduced toxicity compared with commercial adriamycin injection.
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Affiliation(s)
- Jun-Qing Situ
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Xiao-Juan Wang
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Xiu-Liang Zhu
- Department of Radiology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Xiao-Ling Xu
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Xu-Qi Kang
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Jing-Bo Hu
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Chen-Ying Lu
- Department of Radiology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Xiao-Ying Ying
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Ri-Sheng Yu
- Department of Radiology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Jian You
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Yong-Zhong Du
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
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17
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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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18
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Shi D, Wang F, Wang Y. Janus Nanostructures for Biomedical Applications: Dual-Surfaces of Single Particle for Multifunctionality. SPRINGER SERIES IN BIOMATERIALS SCIENCE AND ENGINEERING 2016. [DOI: 10.1007/978-3-319-22861-7_13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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19
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Dendrimer-Based Nanodevices as Contrast Agents for MR Imaging Applications. SPRINGER SERIES IN BIOMATERIALS SCIENCE AND ENGINEERING 2016. [DOI: 10.1007/978-3-662-48544-6_8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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20
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Yang BY, Moon SH, Seelam SR, Jeon MJ, Lee YS, Lee DS, Chung JK, Kim YI, Jeong JM. Development of a multimodal imaging probe by encapsulating iron oxide nanoparticles with functionalized amphiphiles for lymph node imaging. Nanomedicine (Lond) 2015; 10:1899-910. [DOI: 10.2217/nnm.15.41] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Aim: We tried to develop a multimodal iron oxide nanoparticles (IO NP) imaging probe by an encapsulation method using specific amphiphiles for 68Ga-labeling and lymph node-targeting. Materials & methods: Nanoparticles (NPs) were encapsulated with a solution containing polysorbate 60 and the amphiphiles. The prepared NPs were labeled with 68Ga and tested in vitro and in vivo. Results: Prepared 1,4,7-triazacyclononane-1,4,7-triacetic acid-IO-Mannose (NOTA-IO-Man) showed a narrow size distribution, and no significant aggregation or degradation under harsh conditions. The relaxivity coefficient of 68Ga-NOTA-IO-Man was higher than that of ferumoxide. The accumulation of 68Ga-NOTA-IO-Man in the lymph node after injection into rat's footpad was confirmed by both positron emission tomography and MRI. Conclusion: We successfully developed PET/MRI dual-modality imaging probe targeting lymph nodes by using the facile encapsulation method.
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Affiliation(s)
- Bo Yeun Yang
- Department of Nuclear Medicine & Institute of Radiation Medicine, Seoul National University College of Medicine, 110–799, Seoul, South Korea
| | - Sung-Hyun Moon
- Department of Nuclear Medicine & Institute of Radiation Medicine, Seoul National University College of Medicine, 110–799, Seoul, South Korea
| | - Sudhakara Reddy Seelam
- Department of Nuclear Medicine & Institute of Radiation Medicine, Seoul National University College of Medicine, 110–799, Seoul, South Korea
| | - Min Jeong Jeon
- Department of Radiology, Seoul National University Hospital, 110–744, Seoul, South Korea
| | - Yun-Sang Lee
- Department of Nuclear Medicine & Institute of Radiation Medicine, Seoul National University College of Medicine, 110–799, Seoul, South Korea
| | - Dong Soo Lee
- Department of Nuclear Medicine & Institute of Radiation Medicine, Seoul National University College of Medicine, 110–799, Seoul, South Korea
| | - June-Key Chung
- Department of Nuclear Medicine & Institute of Radiation Medicine, Seoul National University College of Medicine, 110–799, Seoul, South Korea
- Cancer Research Institute, Seoul National University College of Medicine, 110–799, Seoul, South Korea
| | - Young Il Kim
- Department of Radiology, Seoul National University Hospital, 110–744, Seoul, South Korea
| | - Jae Min Jeong
- Department of Nuclear Medicine & Institute of Radiation Medicine, Seoul National University College of Medicine, 110–799, Seoul, South Korea
- Cancer Research Institute, Seoul National University College of Medicine, 110–799, Seoul, South Korea
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21
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Kumar A, Lale SV, Mahajan S, Choudhary V, Koul V. ROP and ATRP Fabricated Dual Targeted Redox Sensitive Polymersomes Based on pPEGMA-PCL-ss-PCL-pPEGMA Triblock Copolymers for Breast Cancer Therapeutics. ACS APPLIED MATERIALS & INTERFACES 2015; 7:9211-9227. [PMID: 25838044 DOI: 10.1021/acsami.5b01731] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
To minimize cardiotoxicity and to increase the bioavailability of doxorubicin, polymersomes based on redox sensitive amphiphilic triblock copolymer poly(polyethylene glycol methacrylate)-poly(caprolactone)-s-s-poly(caprolactone)-poly(polyethylene glycol methacrylate) (pPEGMA-PCL-ss-PCL-pPEGMA) with disulfide linkage were designed and developed. The polymers were synthesized by ring opening polymerization (ROP) of ε-caprolactone followed by atom transfer radical polymerization (ATRP) of PEGMA. The triblock copolymers demonstrated various types of nanoparticle morphologies by varying hydrophobic/hydrophilic content of polymer blocks, with PEGMA content of ∼18% in the triblock copolymer leading to the formation of polymersomes in the size range ∼150 nm. High doxorubicin loading content of ∼21% was achieved in the polymersomes. Disulfide linkages were incorporated in the polymeric backbone to facilitate degradation of the nanoparticles by the intracellular tripeptide glutathione (GSH), leading to intracellular drug release. Release studies showed ∼59% drug release in pH 5.5 in the presence of 10 mM GSH, whereas only ∼19% was released in pH 7.4. In cellular uptake studies, dual targeted polymersomes showed ∼22-fold increase in cellular uptake efficiency in breast cancer cell lines (BT474 and MCF-7) as compared to nontargeted polymersomes with higher apoptosis rates. In vivo studies on Ehrlich's ascites tumor (EAT) bearing Swiss albino mouse model showed ∼85% tumor regression as compared to free doxorubicin (∼42%) without any significant cardiotoxicity associated with doxorubicin. The results indicate enhanced antitumor efficacy of the redox sensitive biocompatible nanosystem and shows promise as a potential drug nanocarrier in cancer therapeutics.
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Affiliation(s)
- Arun Kumar
- §Biomedical Engineering Unit, All India Institute of Medical Sciences, AIIMS, New Delhi 110029, India
| | - Shantanu V Lale
- §Biomedical Engineering Unit, All India Institute of Medical Sciences, AIIMS, New Delhi 110029, India
| | - Shveta Mahajan
- §Biomedical Engineering Unit, All India Institute of Medical Sciences, AIIMS, New Delhi 110029, India
| | | | - Veena Koul
- §Biomedical Engineering Unit, All India Institute of Medical Sciences, AIIMS, New Delhi 110029, India
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22
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Synthesis of folic acid functionalized redox-responsive magnetic proteinous microcapsules for targeted drug delivery. J Colloid Interface Sci 2015; 450:325-331. [PMID: 25840270 DOI: 10.1016/j.jcis.2015.03.036] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 03/17/2015] [Accepted: 03/17/2015] [Indexed: 11/23/2022]
Abstract
Folic acid (FA) functionalized magnetic bovine serum albumin (BSA) microcapsules (FA-MBMCs) were prepared by a facile sonochemical method, in which FA molecule was immobilized onto the outer walls of microcapsules as a targeting ligand and oleic acid (OA) modifying Fe3O4 magnetic nanoparticles (OA-Fe3O4 MNPs) were wrapped into the microcapsules. The obtained FA-MBMCs possessed a nice spherical morphology with the mean size of 1.4 μm. FA-MBMCs also showed an excellent magnetic and molecular dual-targeted property. Besides, the reductant-triggered diffusion of coumarin 6 suggested superior drug controlled release of FA-MBMCs.
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23
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Li H, Yan K, Shang Y, Shrestha L, Liao R, Liu F, Li P, Xu H, Xu Z, Chu PK. Folate-bovine serum albumin functionalized polymeric micelles loaded with superparamagnetic iron oxide nanoparticles for tumor targeting and magnetic resonance imaging. Acta Biomater 2015; 15:117-26. [PMID: 25595473 DOI: 10.1016/j.actbio.2015.01.006] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Revised: 11/28/2014] [Accepted: 01/07/2015] [Indexed: 01/08/2023]
Abstract
Polymeric micelles functionalized with folate conjugated bovine serum albumin (FA-BSA) and loaded with superparamagnetic iron oxide nanoparticles (SPIONs) are investigated as a specific contrast agent for tumor targeting and magnetic resonance imaging (MRI) in vitro and in vivo. The SPIONs-loaded polymeric micelles are produced by self-assembly of amphiphilic poly(HFMA-co-MOTAC)-g-PEGMA copolymers and oleic acid modified Fe3O4 nanoparticles and functionalized with FA-BSA by electrostatic interaction. The FA-BSA modified magnetic micelles have a hydrodynamic diameter of 196.1 nm, saturation magnetization of 5.5 emu/g, and transverse relaxivity of 167.0 mM(-1) S(-1). In vitro MR imaging, Prussian blue staining, and intracellular iron determination studies demonstrate that the folate-functionalized magnetic micelles have larger cellular uptake against the folate-receptor positive hepatoma cells Bel-7402 than the unmodified magnetic micelles. In vivo MR imaging conducted on nude mice bearing the Bel-7402 xenografts after bolus intravenous administration reveals excellent tumor targeting and MR imaging capabilities, especially at 24h post-injection. These findings suggest the potential of FA-BSA modified magnetic micelles as targeting MRI probe in tumor detection.
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Affiliation(s)
- Huan Li
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Kai Yan
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Hubei University, Wuhan, Hubei 430062, China
| | - Yalei Shang
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Lochan Shrestha
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Rufang Liao
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Fang Liu
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Penghui Li
- Department of Physics & Materials Science, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Haibo Xu
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China.
| | - Zushun Xu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Hubei University, Wuhan, Hubei 430062, China; Department of Physics & Materials Science, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China.
| | - Paul K Chu
- Department of Physics & Materials Science, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China.
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24
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Calero M, Chiappi M, Lazaro-Carrillo A, Rodríguez MJ, Chichón FJ, Crosbie-Staunton K, Prina-Mello A, Volkov Y, Villanueva A, Carrascosa JL. Characterization of interaction of magnetic nanoparticles with breast cancer cells. J Nanobiotechnology 2015; 13:16. [PMID: 25880445 PMCID: PMC4403785 DOI: 10.1186/s12951-015-0073-9] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Accepted: 01/28/2015] [Indexed: 01/02/2023] Open
Abstract
Background Different superparamagnetic iron oxide nanoparticles have been tested for their potential use in cancer treatment, as they enter into cells with high effectiveness, do not induce cytotoxicity, and are retained for relatively long periods of time inside the cells. We have analyzed the interaction, internalization and biocompatibility of dimercaptosuccinic acid-coated superparamagnetic iron oxide nanoparticles with an average diameter of 15 nm and negative surface charge in MCF-7 breast cancer cells. Results Cells were incubated with dimercaptosuccinic acid-coated superparamagnetic iron oxide nanoparticles for different time intervals, ranging from 0.5 to 72 h. These nanoparticles showed efficient internalization and relatively slow clearance. Time-dependent uptake studies demonstrated the maximum accumulation of dimercaptosuccinic acid-coated superparamagnetic iron oxide nanoparticles after 24 h of incubation, and afterwards they were slowly removed from cells. Superparamagnetic iron oxide nanoparticles were internalized by energy dependent endocytosis and localized in endosomes. Transmission electron microscopy studies showed macropinocytosis uptake and clathrin-mediated internalization depending on the nanoparticles aggregate size. MCF-7 cells accumulated these nanoparticles without any significant effect on cell morphology, cytoskeleton organization, cell cycle distribution, reactive oxygen species generation and cell viability, showing a similar behavior to untreated control cells. Conclusions All these findings indicate that dimercaptosuccinic acid-coated superparamagnetic iron oxide nanoparticles have excellent properties in terms of efficiency and biocompatibility for application to target breast cancer cells. Electronic supplementary material The online version of this article (doi:10.1186/s12951-015-0073-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Macarena Calero
- Departamento de Biología, Universidad Autónoma de Madrid, Cantoblanco, 28049, Madrid, Spain. .,Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Cantoblanco, 28049, Madrid, Spain.
| | - Michele Chiappi
- Department of Macromolecular Structure, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049, Madrid, Spain.
| | - Ana Lazaro-Carrillo
- Departamento de Biología, Universidad Autónoma de Madrid, Cantoblanco, 28049, Madrid, Spain. .,Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Cantoblanco, 28049, Madrid, Spain.
| | - María José Rodríguez
- Department of Macromolecular Structure, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049, Madrid, Spain.
| | - Francisco Javier Chichón
- Department of Macromolecular Structure, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049, Madrid, Spain.
| | - Kieran Crosbie-Staunton
- Department of Clinical Medicine, Trinity Centre for Health Science, James's Street, Dublin, 8, Ireland.
| | - Adriele Prina-Mello
- Department of Clinical Medicine, Trinity Centre for Health Science, James's Street, Dublin, 8, Ireland. .,Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), and AMBER Centre, Trinity College Dublin, College Green, Dublin, 2, Ireland.
| | - Yuri Volkov
- Department of Clinical Medicine, Trinity Centre for Health Science, James's Street, Dublin, 8, Ireland. .,Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), and AMBER Centre, Trinity College Dublin, College Green, Dublin, 2, Ireland.
| | - Angeles Villanueva
- Departamento de Biología, Universidad Autónoma de Madrid, Cantoblanco, 28049, Madrid, Spain. .,Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Cantoblanco, 28049, Madrid, Spain.
| | - José L Carrascosa
- Department of Macromolecular Structure, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049, Madrid, Spain. .,Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Cantoblanco, 28049, Madrid, Spain.
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25
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Menelaou M, Iatridi Z, Tsougos I, Vasiou K, Dendrinou-Samara C, Bokias G. Magnetic colloidal superparticles of Co, Mn and Ni ferrite featured with comb-type and/or linear amphiphilic polyelectrolytes; NMR and MRI relaxometry. Dalton Trans 2015; 44:10980-90. [DOI: 10.1039/c5dt00372e] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Hydrophobically-modified magnetic superparticles (MSPs) of MFe2O4 NPs were synthesized in the presence of amphiphilic polymers with different architectures and evaluated through NMR and MRI relaxivity measurements.
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Affiliation(s)
- Melita Menelaou
- Department of Chemistry
- Aristotle University of Thessaloniki
- GR-54124 Thessaloniki
- Greece
| | | | - Ioannis Tsougos
- Department of Medical Physics
- University Hospital of Larissa
- University of Thessaly
- GR-41110 Larisa
- Greece
| | - Katerina Vasiou
- Department of Radiology
- University Hospital of Larissa
- University of Thessaly
- GR-41110 Larisa
- Greece
| | | | - Georgios Bokias
- Department of Chemistry
- University of Patras
- GR-26504 Patras
- Greece
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26
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Li Z, Zhang C, Wang B, Wang H, Chen X, Möhwald H, Cui X. Sonochemical fabrication of dual-targeted redox-responsive smart microcarriers. ACS APPLIED MATERIALS & INTERFACES 2014; 6:22166-22173. [PMID: 25478992 DOI: 10.1021/am5057097] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
In the present study, the molecular and magnetic dual-targeted redox-responsive folic acid-cysteine-Fe3O4 microcapsules (FA-Cys-Fe3O4 MCs) have been synthesized via the sonochemical technique, and targeting molecule (folic acid) and Fe3O4 magnetic nanoparticles are introduced into the microcapsule shells successfully. The obtained FA-Cys-Fe3O4 MCs show excellent magnetic responsive ability by the oriented motion under an external magnetic field. The hydrophobic fluorescent dye (Coumarin 6) is successfully loaded into the FA-Cys-Fe3O4 MCs, demonstrating that it could be also easily realized to encapsulate hydrophobic drugs into the FA-Cys-Fe3O4 MCs when the drugs are dispersed into the oil phase before sonication. Cellular uptake demonstrates that FA-Cys-Fe3O4 MCs could target selectively the cells via folate-receptor-mediated endocytosis. Moreover, the FA-Cys-Fe3O4 MCs show their potential ability to be an attractive carrier for drug controlled release owing to the redox responsiveness of the disulfide in the microcapsule shells.
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Affiliation(s)
- Zhanfeng Li
- College of Chemistry, Jilin University , Changchun, 130012, P. R. China
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27
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Hu Y, Ma B, Zhang Y, Wang M. Small molecule-folic acid modification on nanopatterned PDMS and investigation on its surface property. Biomed Microdevices 2014; 16:487-97. [PMID: 24627217 DOI: 10.1007/s10544-014-9851-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Folic acid (or folate, FA) has attracted considerable attention for cancer therapy. As one small molecule, its receptor (folate receptor, FR) is significantly overexpressed on the surface of many human tumor cells compared with normal cells. In this work, physical and chemical coupled modification method, that is the combination of nanoimprinting technique and graft polymerization, was adopted to modify FA on nanopatterned polydimethylsiloxane (PDMS) surface for possible application in micro-nanofluidic cytology. The surface property of differently treated PDMS was characterized by FTIR, AFM and contact angle measurement. AO/PI double staining, cell counting and MTT method were performed to examine the potential influence of FA modified nanopatterned PDMS on human cervical carcinoma (HeLa) cell behavior. Both FA modification and nanostructure have positive effect on the growth and viability of HeLa cells. It is the first time that the small molecule-folic acid was used to immobilize on the surface of PDMS in order to improve its surface property.
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Affiliation(s)
- Yuanyuan Hu
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
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28
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Folate/NIR 797-conjugated albumin magnetic nanospheres: synthesis, characterisation, and in vitro and in vivo targeting evaluation. PLoS One 2014; 9:e106483. [PMID: 25188308 PMCID: PMC4154716 DOI: 10.1371/journal.pone.0106483] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Accepted: 07/30/2014] [Indexed: 12/24/2022] Open
Abstract
A practical and effective strategy for synthesis of Folate-NIR 797-conjugated Magnetic Albumin Nanospheres (FA-NIR 797-MAN) was developed. For this strategy, Magnetic Albumin Nanospheres (MAN), composed of superparamagnetic iron oxide nanoparticles (SPIONs) and bovine serum albumin (BSA), were covalently conjugated with folic acid (FA) ligands to enhance the targeting capability of the particles to folate receptor (FR) over-expressing tumours. Subsequently, a near-infrared (NIR) fluorescent dye NIR 797 was conjugated with FA-conjugated MAN for in vivo fluorescence imaging. The FA-NIR 797-MAN exhibited low toxicity to a human nasopharyngeal epidermal carcinoma cell line (KB cells). Additionally, in vitro and in vivo evaluation of the dynamic behaviour and targeting ability of FA-NIR 797-MAN to KB tumours validated the highly selective affinity of FA-NIR 797-MAN for FR-positive tumours. In summary, the FA-NIR 797-MAN prepared here exhibited great potential for tumour imaging, since the near-infrared fluorescence contrast agents target cells via FR-mediated endocytosis. The high fluorescence intensity together with the targeting effect makes FA-NIR 797-MAN a promising candidate for imaging, monitoring, and early diagnosis of cancer at the molecular and cellular levels.
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29
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Ding M, Zeng X, He X, Li J, Tan H, Fu Q. Cell Internalizable and Intracellularly Degradable Cationic Polyurethane Micelles as a Potential Platform for Efficient Imaging and Drug Delivery. Biomacromolecules 2014; 15:2896-906. [DOI: 10.1021/bm500506v] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Mingming Ding
- College of Polymer Science and Engineering,
State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Xin Zeng
- College of Polymer Science and Engineering,
State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Xueling He
- Laboratory Animal Center, Sichuan University, Chengdu 610041, China
| | - Jiehua Li
- College of Polymer Science and Engineering,
State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Hong Tan
- College of Polymer Science and Engineering,
State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Qiang Fu
- College of Polymer Science and Engineering,
State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
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30
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Laurent S, Saei AA, Behzadi S, Panahifar A, Mahmoudi M. Superparamagnetic iron oxide nanoparticles for delivery of therapeutic agents: opportunities and challenges. Expert Opin Drug Deliv 2014; 11:1449-70. [PMID: 24870351 DOI: 10.1517/17425247.2014.924501] [Citation(s) in RCA: 258] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Bearing in mind that many promising drug candidates have the problem of reaching their target site, the concept of advanced drug delivery can play a significant complementary role in shaping modern medicine. Among other nanoscale drug carriers, superparamagnetic iron oxide nanoparticles (SPIONs) have shown great potential in nanomedicine. The intrinsic properties of SPIONs, such as inherent magnetism, broad safety margin and the availability of methods for fabrication and surface engineering, pave the way for diverse biomedical applications. SPIONs can achieve the highest drug targeting efficiency among carriers, since an external magnetic field locally applied to the target organ enhances the accumulation of magnetic nanoparticles in the drug site of action. Moreover, theranostic multifunctional SPIONs make simultaneous delivery and imaging possible. In spite of these favorable qualities, there are some toxicological concerns, such as oxidative stress, unpredictable cellular responses and induction of signaling pathways, alteration in gene expression profiles and potential disturbance in iron homeostasis, that need to be carefully considered. Besides, the protein corona at the surface of the SPIONs may induce few shortcomings such as reduction of SPIONs targeting efficacy. AREAS COVERED In this review, we will present recent developments of SPIONs as theranostic agents. The article will further address some barriers on drug delivery using SPIONs. EXPERT OPINION One of the major success determinants in targeted in vivo drug delivery using SPIONs is the adequacy of magnetic gradient. This can be partially achieved by using superconducting magnets, local implantation of magnets and application of magnetic stents. Other issues that must be considered include the pharmacokinetics and in vivo fate of SPIONs, their biodegradability, biocompatibility, potential side effects and the crucial impact of protein corona on either drug release profile or mistargeting. Surface modification of SPIONs can open up the possibility of drug delivery to intracellular organelles, drug delivery across the blood-brain barrier, modifying metabolic diseases and a variety of other multimodal and/or theranostic applications.
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Affiliation(s)
- Sophie Laurent
- University of Mons, Avenue Maistriau, NMR and Molecular Imaging Laboratory, Department of General, Organic, and Biomedical Chemistry , 19, B-7000 Mons , Belgium
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Jiao Q, Li L, Mu Q, Zhang Q. Immunomodulation of nanoparticles in nanomedicine applications. BIOMED RESEARCH INTERNATIONAL 2014; 2014:426028. [PMID: 24949448 PMCID: PMC4052466 DOI: 10.1155/2014/426028] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2013] [Accepted: 01/07/2014] [Indexed: 12/27/2022]
Abstract
Nanoparticles (NPs) have promising applications in medicine. Immune system is an important protective system to defend organisms from non-self matters. NPs interact with the immune system and modulate its function, leading to immunosuppression or immunostimulation. These modulating effects may bring benefits or danger. Compositions, sizes, and surface chemistry, and so forth, affect these immunomodulations. Here we give an overview of the relationship between the physicochemical properties of NPs, which are candidates to be applied in medicine, and their immunomodulation properties.
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Affiliation(s)
- Qing Jiao
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Liwen Li
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Qingxin Mu
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
- Department of Materials Science & Engineering, University of Washington, Seattle, WA 98125, USA
| | - Qiu Zhang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
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Iatridi Z, Georgiadou V, Menelaou M, Dendrinou-Samara C, Bokias G. Application of hydrophobically modified water-soluble polymers for the dispersion of hydrophobic magnetic nanoparticles in aqueous media. Dalton Trans 2014; 43:8633-43. [DOI: 10.1039/c4dt00393d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Oleylamine-coated CoFe2O4 magnetic nanoparticles were successfully encapsulated into hydrophobically modified water-soluble polymers. The resulting hydrophilic nanohybrids exhibit promising r2-relaxivity properties.
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Affiliation(s)
| | - Violetta Georgiadou
- Department of Chemistry
- Aristotle University of Thessaloniki
- GR-54124 Thessaloniki, Greece
| | - Melita Menelaou
- Department of Chemistry
- Aristotle University of Thessaloniki
- GR-54124 Thessaloniki, Greece
| | | | - Georgios Bokias
- Department of Chemistry
- University of Patras
- GR-26504 Patras, Greece
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Turcheniuk K, Tarasevych AV, Kukhar VP, Boukherroub R, Szunerits S. Recent advances in surface chemistry strategies for the fabrication of functional iron oxide based magnetic nanoparticles. NANOSCALE 2013; 5:10729-52. [PMID: 24091568 DOI: 10.1039/c3nr04131j] [Citation(s) in RCA: 102] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
The synthesis of superparamagnetic nanostructures, especially iron-oxide based nanoparticles (IONPs), with appropriate surface functional groups has been intensively researched for many high-technological applications, including high density data storage, biosensing and biomedicine. In medicine, IONPs are nowadays widely used as contrast agents for magnetic resonance imaging (MRI), in hyperthermia therapy, but are also exploited for drug and gene delivery, detoxification of biological fluids or immunoassays, as they are relatively non-toxic. The use of magnetic particles in vivo requires IONPs to have high magnetization values, diameters below 100 nm with overall narrow size distribution and long time stability in biological fluids. Due to the high surface energies of IONPs agglomeration over time is often encountered. It is thus of prime importance to modify their surface to prevent aggregation and to limit non-specific adsorption of biomolecules onto their surface. Such chemical modifications result in IONPs being well-dispersed and biocompatible, and allow for targeted delivery and specific interactions. The chemical nature of IONPs thus determines not only the overall size of the colloid, but also plays a significant role for in vivo and in vitro applications. This review discusses the different concepts currently used for the surface functionalization and coating of iron oxide nanoparticles. The diverse strategies for the covalent linking of drugs, proteins, enzymes, antibodies, and nucleotides will be discussed and the chemically relevant steps will be explained in detail.
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Affiliation(s)
- Kostiantyn Turcheniuk
- Institut de Recherche Interdisciplinaire (IRI, USR 3078 CNRS), Université Lille 1, Parc de la Haute Borne, 50 Avenue de Halley, BP 70478, 59658 Villeneuve d'Ascq, France.
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Li J, Zhao Z, Feng J, Gao J, Chen Z. Understanding the metabolic fate and assessing the biosafety of MnO nanoparticles by metabonomic analysis. NANOTECHNOLOGY 2013; 24:455102. [PMID: 24145610 DOI: 10.1088/0957-4484/24/45/455102] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Recently, some types of MnO nanoparticle (Mn-NP) with favorable imaging capacity have been developed to improve the biocompatible profile of the existing Mn-based MRI contrast agent Mn-DPDP; however, the overall bio-effects and potential toxicity remain largely unknown. In this study, (1)H NMR-based metabolic profiling, integrated with traditional biochemical analysis and histopathological examinations, was used to investigate the absorption, distribution, metabolism, excretion and toxicity of Mn-NPs as candidates for MRI contrast agent. The metabolic responses in biofluids (plasma and urine) and tissues (liver, spleen, kidney, lung and brain) from rats could be divided into four classes following Mn-NP administration: Mn biodistribution-dependent, time-dependent, dose-dependent and complicated metabolic variations. The variations of these metabolites involved in lipid, energy, amino acid and other nutrient metabolism, which disclosed the metabolic fate and biological effects of Mn-NPs in rats. The changes of metabolic profile implied that the disturbance and impairment of biological functions induced by Mn-NP exposure were correlated with the particle size and the surface chemistry of nanoparticles. Integration of metabonomic technology with traditional methods provides a promising tool to understand the toxicological behavior of biomedical nanomaterials and will result in informed decision-making during drug development.
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Affiliation(s)
- Jinquan Li
- Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Electronic Science, Xiamen University, Xiamen 361005, People's Republic of China
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Kozissnik B, Bohorquez AC, Dobson J, Rinaldi C. Magnetic fluid hyperthermia: Advances, challenges, and opportunity. Int J Hyperthermia 2013; 29:706-14. [DOI: 10.3109/02656736.2013.837200] [Citation(s) in RCA: 194] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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Torres-Lugo M, Rinaldi C. Thermal potentiation of chemotherapy by magnetic nanoparticles. Nanomedicine (Lond) 2013; 8:1689-707. [PMID: 24074390 PMCID: PMC4001113 DOI: 10.2217/nnm.13.146] [Citation(s) in RCA: 98] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Clinical studies have demonstrated the effectiveness of hyperthermia as an adjuvant for chemotherapy and radiotherapy. However, significant clinical challenges have been encountered, such as a broader spectrum of toxicity, lack of patient tolerance, temperature control and significant invasiveness. Hyperthermia induced by magnetic nanoparticles in high-frequency oscillating magnetic fields, commonly termed magnetic fluid hyperthermia, is a promising form of heat delivery in which thermal energy is supplied at the nanoscale to the tumor. This review discusses the mechanisms of heat dissipation of iron oxide-based magnetic nanoparticles, current methods and challenges to deliver heat in the clinic, and the current work related to the use of magnetic nanoparticles for the thermal-chemopotentiation of therapeutic drugs.
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Affiliation(s)
- Madeline Torres-Lugo
- Department of Chemical Engineering, University of Puerto Rico, Mayaguez Campus, PO BOX 9000, Mayaguez, PR 00681, Puerto Rico.
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A superparamagnetic Fe3O4-loaded polymeric nanocarrier for targeted delivery of evodiamine with enhanced antitumor efficacy. Colloids Surf B Biointerfaces 2013; 110:411-8. [DOI: 10.1016/j.colsurfb.2013.04.038] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2013] [Revised: 04/12/2013] [Accepted: 04/17/2013] [Indexed: 12/14/2022]
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Basuki JS, Esser L, Zetterlund PB, Whittaker MR, Boyer C, Davis TP. Grafting of P(OEGA) Onto Magnetic Nanoparticles Using Cu(0) Mediated Polymerization: Comparing Grafting “from” and “to” Approaches in the Search for the Optimal Material Design of Nanoparticle MRI Contrast Agents. Macromolecules 2013. [DOI: 10.1021/ma401250f] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
| | - Lars Esser
- Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052, Australia
| | | | - Michael R. Whittaker
- Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052, Australia
| | | | - Thomas P. Davis
- Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052, Australia
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Wang F, Pauletti GM, Wang J, Zhang J, Ewing RC, Wang Y, Shi D. Dual surface-functionalized Janus nanocomposites of polystyrene/Fe₃O₄@SiO₂ for simultaneous tumor cell targeting and stimulus-induced drug release. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2013; 25:3485-3489. [PMID: 23681969 DOI: 10.1002/adma.201301376] [Citation(s) in RCA: 148] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Indexed: 05/27/2023]
Abstract
Folic acid (FA) and doxorubicin (DOX) are coupled separately onto Fe3 O4 @SiO2 and polystyrene surfaces of a unique polystyrene/Fe3 O4 @SiO2 Janus structure. This super-paramagnetic, dual-functionalized Janus nanocomposite enables effective tumor cell targeting and internalization via the folate receptor, and induces significant cancer cell death by controlled, stimulus-induced drug release under acidic conditions in endosomal compartments.
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Affiliation(s)
- Feng Wang
- Materials Science and Engineering Program, University of Cincinnati, Cincinnati, OH 45221, USA
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Zhang Q, Zhu J, Song L, Zhang J, Kong D, Zhao Y, Wang Z. Engineering magnetic-molecular sequential targeting nanoparticles for anti-cancer therapy. J Mater Chem B 2013; 1:6402-6410. [DOI: 10.1039/c3tb20715c] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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