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Ullah Khan A, Chen L, Ge G. Recent development for biomedical applications of magnetic nanoparticles. INORG CHEM COMMUN 2021; 134:108995. [PMID: 34658663 PMCID: PMC8500685 DOI: 10.1016/j.inoche.2021.108995] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/05/2021] [Accepted: 10/06/2021] [Indexed: 11/20/2022]
Abstract
In recent decades, the use of engineered nanoparticles has been increasing in various sectors, including biomedicine, diagnosis, water treatment, and environmental remediation leading to significant public concerns. Among these nanoparticles, magnetic nanoparticles (MNPs) have gained many attentions in medicine, pharmacology, drug delivery system, molecular imaging, and bio-sensing due to their various properties. In addition, various studies have reviewed MNPs main applications in the biomedical engineering area with intense progress and recent achievements. Nanoparticles, especially the magnetic nanoparticles, have recently been confirmed with excellent antiviral activity against different viruses, including SARS-CoV-2(Covid-19) and their recent development against Covid-19 also has also been discussed. This review aims to highlight the recent development of the magnetic nanoparticles and their biomedical applications such as diagnosis of diseases, molecular imaging, hyperthermia, bio-sensing, gene therapy, drug delivery and the diagnosis of Covid-19.
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Affiliation(s)
- Atta Ullah Khan
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, No. 11 Zhongguancun Beiyitiao, Beijing 100190, China
| | - Lan Chen
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, No. 11 Zhongguancun Beiyitiao, Beijing 100190, China
| | - Guanglu Ge
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, No. 11 Zhongguancun Beiyitiao, Beijing 100190, China
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2
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Crețu BEB, Dodi G, Shavandi A, Gardikiotis I, Șerban IL, Balan V. Imaging Constructs: The Rise of Iron Oxide Nanoparticles. Molecules 2021; 26:3437. [PMID: 34198906 PMCID: PMC8201099 DOI: 10.3390/molecules26113437] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 05/27/2021] [Accepted: 06/01/2021] [Indexed: 12/14/2022] Open
Abstract
Over the last decade, an important challenge in nanomedicine imaging has been the work to design multifunctional agents that can be detected by single and/or multimodal techniques. Among the broad spectrum of nanoscale materials being investigated for imaging use, iron oxide nanoparticles have gained significant attention due to their intrinsic magnetic properties, low toxicity, large magnetic moments, superparamagnetic behaviour and large surface area-the latter being a particular advantage in its conjunction with specific moieties, dye molecules, and imaging probes. Tracers-based nanoparticles are promising candidates, since they combine synergistic advantages for non-invasive, highly sensitive, high-resolution, and quantitative imaging on different modalities. This study represents an overview of current advancements in magnetic materials with clinical potential that will hopefully provide an effective system for diagnosis in the near future. Further exploration is still needed to reveal their potential as promising candidates from simple functionalization of metal oxide nanomaterials up to medical imaging.
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Affiliation(s)
- Bianca Elena-Beatrice Crețu
- Advanced Centre for Research-Development in Experimental Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 700115 Iasi, Romania; (B.E.-B.C.); (I.G.)
| | - Gianina Dodi
- Advanced Centre for Research-Development in Experimental Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 700115 Iasi, Romania; (B.E.-B.C.); (I.G.)
| | - Amin Shavandi
- BioMatter-Biomass Transformation Lab, École Polytechnique de Bruxelles, Université Libre de Bruxelles, 1050 Brussels, Belgium;
| | - Ioannis Gardikiotis
- Advanced Centre for Research-Development in Experimental Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 700115 Iasi, Romania; (B.E.-B.C.); (I.G.)
| | - Ionela Lăcrămioara Șerban
- Physiology Department, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 700115 Iasi, Romania;
| | - Vera Balan
- Faculty of Medical Bioengineering, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 700115 Iasi, Romania;
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García-Merino B, Bringas E, Ortiz I. Synthesis and applications of surface-modified magnetic nanoparticles: progress and future prospects. REV CHEM ENG 2021. [DOI: 10.1515/revce-2020-0072] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Abstract
The growing use of magnetic nanoparticles (MNPs) demands cost-effective methods for their synthesis that allow proper control of particle size and size distribution. The unique properties of MNPs include high specific surface area, ease of functionalization, chemical stability and superparamagnetic behavior, with applications in catalysis, data and energy storage, environmental remediation and biomedicine. This review highlights breakthroughs in the use of MNPs since their initial introduction in biomedicine to the latest challenging applications; special attention is paid to the importance of proper coating and functionalization of the particle surface, which dictates the specific properties for each application. Starting from the first report following LaMer’s theory in 1950, this review discusses and analyzes methods of synthesizing MNPs, with an emphasis on functionality and applications. However, several hurdles, such as the design of reactors with suitable geometries, appropriate control of operating conditions and, in particular, reproducibility and scalability, continue to prevent many applications from reaching the market. The most recent strategy, the use of microfluidics to achieve continuous and controlled synthesis of MNPs, is therefore thoroughly analyzed. This review is the first to survey continuous microfluidic coating or functionalization of particles, including challenging properties and applications.
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Affiliation(s)
- Belén García-Merino
- Department of Chemical and Biomolecular Engineering , ETSIIT, University of Cantabria , Avda. Los Castros s/n , 39005 Santander , Spain
| | - Eugenio Bringas
- Department of Chemical and Biomolecular Engineering , ETSIIT, University of Cantabria , Avda. Los Castros s/n , 39005 Santander , Spain
| | - Inmaculada Ortiz
- Department of Chemical and Biomolecular Engineering , ETSIIT, University of Cantabria , Avda. Los Castros s/n , 39005 Santander , Spain
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Zhang T, Xu Q, Huang T, Ling D, Gao J. New Insights into Biocompatible Iron Oxide Nanoparticles: A Potential Booster of Gene Delivery to Stem Cells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2001588. [PMID: 32725792 DOI: 10.1002/smll.202001588] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 05/10/2020] [Indexed: 06/11/2023]
Abstract
Gene delivery to stem cells is a critical issue of stem cells-based therapies, still facing ongoing challenges regarding efficiency and safety. Recent advances in the controlled synthesis of biocompatible magnetic iron oxide nanoparticles (IONPs) have provided a powerful nanotool for assisting gene delivery to stem cells. However, this field is still at an early stage, with well-designed and scalable IONPs synthesis highly desired. Furthermore, the potential risks or bioeffects of IONPs on stem cells are not completely figured out. Therefore, in this review, the updated researches focused on the gene delivery to stem cells using various designed IONPs are highlighted. Additionally, the impacts of the physicochemical properties of IONPs, as well as the magnetofection systems on the gene delivery performance and biocompatibility are summarized. Finally, challenges attributed to the potential impacts of IONPs on the biologic behaviors of stem cells and the large-scale productions of uniform IONPs are emphasized. The principles and challenges summarized in this review provide a general guidance for the rational design of IONPs-assisted gene delivery to stem cells.
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Affiliation(s)
- Tianyuan Zhang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, Hangzhou, 310058, China
| | - Qianhao Xu
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Ting Huang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Daishun Ling
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Jianqing Gao
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, Hangzhou, 310058, China
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Carvalho AM, Cordeiro RA, Faneca H. Silica-Based Gene Delivery Systems: From Design to Therapeutic Applications. Pharmaceutics 2020; 12:E649. [PMID: 32660110 PMCID: PMC7407166 DOI: 10.3390/pharmaceutics12070649] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 07/07/2020] [Accepted: 07/08/2020] [Indexed: 12/11/2022] Open
Abstract
Advances in gene therapy have been foreshadowing its potential for the treatment of a vast range of diseases involving genetic malfunctioning. However, its therapeutic efficiency and successful outcome are highly dependent on the development of the ideal gene delivery system. On that matter, silica-based vectors have diverted some attention from viral and other types of non-viral vectors due to their increased safety, easily modifiable structure and surface, high stability, and cost-effectiveness. The versatility of silane chemistry and the combination of silica with other materials, such as polymers, lipids, or inorganic particles, has resulted in the development of carriers with great loading capacities, ability to effectively protect and bind genetic material, targeted delivery, and stimuli-responsive release of cargos. Promising results have been obtained both in vitro and in vivo using these nanosystems as multifunctional platforms in different potential therapeutic areas, such as cancer or brain therapies, sometimes combined with imaging functions. Herein, the current advances in silica-based systems designed for gene therapy are reviewed, including their main properties, fabrication methods, surface modifications, and potential therapeutic applications.
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Affiliation(s)
| | | | - Henrique Faneca
- Center for Neuroscience and Cell Biology, University of Coimbra, 3004-504 Coimbra, Portugal; (A.M.C.); (R.A.C.)
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Gao J, Xia B, Li S, Huang L, Ma T, Shi X, Luo K, Yang Y, Zhao L, Zhang H, Luo B, Huang J. Magnetic Field Promotes Migration of Schwann Cells with Chondroitinase ABC (ChABC)-Loaded Superparamagnetic Nanoparticles Across Astrocyte Boundary in vitro. Int J Nanomedicine 2020; 15:315-332. [PMID: 32021182 PMCID: PMC6980842 DOI: 10.2147/ijn.s227328] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Accepted: 12/17/2019] [Indexed: 12/12/2022] Open
Abstract
PURPOSE The clinical outcome of spinal cord injury is usually poor due to the lack of axonal regeneration and glia scar formation. As one of the most classical supporting cells in neural regeneration, Schwann cells (SCs) provide bioactive substrates for axonal migration and release molecules that regulate axonal growth. However, the effect of SC transplantation is limited by their poor migration capacity in the astrocyte-rich central nervous system. METHODS In this study, we first magnetofected SCs with chondroitinase ABC-polyethylenimine functionalized superparamagnetic iron oxide nanoparticles (ChABC/PEI-SPIONs) to induce overexpression of ChABC for the removal of chondroitin sulfate proteoglycans. These are inhibitory factors and forming a dense scar that acts as a barrier to the regenerating axons. In vitro, we observed the migration of SCs in the region of astrocytes after the application of a stable external magnetic field. RESULTS We found that magnetofection with ChABC/PEI-SPIONs significantly up-regulated the expression of ChABC in SCs. Under the driven effect of the directional magnetic field (MF), the migration of magnetofected SCs was enhanced in the direction of the magnetic force. The number of SCs with ChABC/PEI-SPIONs migrated and the distance of migration into the astrocyte region was significantly increased. The number of SCs with ChABC/PEI-SPIONs that migrated into the astrocyte region was 11.6- and 4.6-fold higher than those observed for the intact control and non-MF groups, respectively. Furthermore, it was found that SCs with ChABC/PEI-SPIONs were in close contact with astrocytes and no longer formed boundaries in the presence of MF. CONCLUSION The mobility of the SCs with ChABC/PEI-SPIONs was enhanced along the axis of MF, holding the potential to promote nerve regeneration by providing a bioactive microenvironment and relieving glial obstruction to axonal regeneration in the treatment of spinal cord injury.
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Affiliation(s)
- Jianbo Gao
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, People’s Republic of China
| | - Bing Xia
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, People’s Republic of China
| | - Shengyou Li
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, People’s Republic of China
| | - Liangliang Huang
- Department of Orthopaedics, The General Hospital of Central Theater Command of People’s Liberation Army, Wuhan, People’s Republic of China
| | - Teng Ma
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, People’s Republic of China
| | - Xiaowei Shi
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, People’s Republic of China
| | - Kai Luo
- Department of Orthopaedics, The 985th Hospital of the PLA Joint Logistics Support Force, Taiyuan, People’s Republic of China
| | - Yujie Yang
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, People’s Republic of China
| | - Laihe Zhao
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, People’s Republic of China
| | - Hao Zhang
- Department of Spinal Surgery, People’s Hospital of Longhua District, Shenzhen, People’s Republic of China
| | - Beier Luo
- Department of Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, People’s Republic of China
| | - Jinghui Huang
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, People’s Republic of China
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Local anti-angiogenic therapy by magnet-assisted downregulation of SHP2 phosphatase. J Control Release 2019; 305:155-164. [PMID: 31121282 DOI: 10.1016/j.jconrel.2019.05.031] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 05/03/2019] [Accepted: 05/19/2019] [Indexed: 12/22/2022]
Abstract
Anti-angiogenic therapies are promising options for diseases with enhanced vessel formation such as tumors or retinopathies. In most cases, a site-specific local effect on vessel growth is required, while the current focus on systemic distribution of angiogenesis inhibitors may cause severe unwanted side-effects. Therefore, in the current study we have developed an approach for the local inhibition of vascularization, using complexes of lentivirus and magnetic nanoparticles in combination with magnetic fields. Using this strategy in the murine embryonic stem cell (ESC) system, we were able to site-specifically downregulate the protein tyrosine phosphatase SHP2 by RNAi technology in areas with active vessel formation. This resulted in a reduction of vessel development, as shown by reduced vascular tube length, branching points and vascular loops. The anti-angiogenic effect could also be recapitulated in the dorsal skinfold chamber of mice in vivo. Here, site-specific downregulation of SHP2 reduced re-vascularization after wound induction. Thus, we have developed a magnet-assisted, RNAi-based strategy for the efficient local inhibition of angiogenesis in ESCs in vitro and also in vivo.
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8
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Zhu N, Ji H, Yu P, Niu J, Farooq MU, Akram MW, Udego IO, Li H, Niu X. Surface Modification of Magnetic Iron Oxide Nanoparticles. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E810. [PMID: 30304823 PMCID: PMC6215286 DOI: 10.3390/nano8100810] [Citation(s) in RCA: 214] [Impact Index Per Article: 35.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 09/26/2018] [Accepted: 10/05/2018] [Indexed: 12/11/2022]
Abstract
Functionalized iron oxide nanoparticles (IONPs) are of great interest due to wide range applications, especially in nanomedicine. However, they face challenges preventing their further applications such as rapid agglomeration, oxidation, etc. Appropriate surface modification of IONPs can conquer these barriers with improved physicochemical properties. This review summarizes recent advances in the surface modification of IONPs with small organic molecules, polymers and inorganic materials. The preparation methods, mechanisms and applications of surface-modified IONPs with different materials are discussed. Finally, the technical barriers of IONPs and their limitations in practical applications are pointed out, and the development trends and prospects are discussed.
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Affiliation(s)
- Nan Zhu
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China.
| | - Haining Ji
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China.
| | - Peng Yu
- Institute of Fundamental and Frontier Science, University of Electronic Science and Technology, Chengdu 610054, China.
| | - Jiaqi Niu
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China.
| | - M U Farooq
- Institute of Fundamental and Frontier Science, University of Electronic Science and Technology, Chengdu 610054, China.
| | - M Waseem Akram
- Institute of Fundamental and Frontier Science, University of Electronic Science and Technology, Chengdu 610054, China.
| | - I O Udego
- Institute of Fundamental and Frontier Science, University of Electronic Science and Technology, Chengdu 610054, China.
| | - Handong Li
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China.
| | - Xiaobin Niu
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China.
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Sobisch T, Lerche D. Separation behaviour of particles in biopolymer solutions in dependence on centrifugal acceleration: Investigation of slow structuring processes in formulations. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2017.07.038] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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10
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Ottersbach A, Mykhaylyk O, Heidsieck A, Eberbeck D, Rieck S, Zimmermann K, Breitbach M, Engelbrecht B, Brügmann T, Hesse M, Welz A, Sasse P, Wenzel D, Plank C, Gleich B, Hölzel M, Bloch W, Pfeifer A, Fleischmann BK, Roell W. Improved heart repair upon myocardial infarction: Combination of magnetic nanoparticles and tailored magnets strongly increases engraftment of myocytes. Biomaterials 2017; 155:176-190. [PMID: 29179133 DOI: 10.1016/j.biomaterials.2017.11.012] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 11/05/2017] [Accepted: 11/11/2017] [Indexed: 01/02/2023]
Abstract
Cell replacement in the heart is considered a promising strategy for the treatment of post-infarct heart failure. Direct intramyocardial injection of cells proved to be the most effective application route, however, engraftment rates are very low (<5%) strongly hampering its efficacy. Herein we combine magnetic nanoparticle (MNP) loading of EGFP labeled embryonic cardiomyocytes (eCM) and embryonic stem cell-derived cardiomyocytes (ES-CM) with application of custom designed magnets to enhance their short and long-term engraftment. To optimize cellular MNP uptake and magnetic force within the infarct area, first numerical simulations and experiments were performed in vitro. All tested cell types could be loaded efficiently with SOMag5-MNP (200 pg/cell) without toxic side effects. Application of a 1.3 T magnet at 5 mm distance from the heart for 10 min enhanced engraftment of both eCM and ES-CM by approximately 7 fold at 2 weeks and 3.4 fold (eCM) at 8 weeks after treatment respectively and also strongly improved left ventricular function at all time points. As underlying mechanisms we found that application of the magnetic field prevented the initial dramatic loss of cells via the injection channel. In addition, grafted eCM displayed higher proliferation and lower apoptosis rates. Electron microscopy revealed better differentiation of engrafted eCM, formation of cell to cell contacts and more physiological matrix formation in magnet-treated grafts. These results were corroborated by gene expression data. Thus, combination of MNP-loaded cells and magnet-application strongly increases long-term engraftment of cells addressing a major shortcoming of cardiomyoplasty.
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Affiliation(s)
- Annika Ottersbach
- Department of Cardiac Surgery, Medical Faculty, University of Bonn, Sigmund Freud Str. 25, 53105 Bonn, Germany; Institute of Physiology I, Life&Brain Center, Medical Faculty, University of Bonn, Sigmund Freud Str. 25, 53105 Bonn, Germany
| | - Olga Mykhaylyk
- Institute of Molecular Immunology/ Experimental Oncology, Klinikum München rechts der Isar, Technische Universität München, Ismaningerstr. 22, 81675 München, Germany
| | - Alexandra Heidsieck
- Institute of Medical Engineering (IME.TUM), Boltzmannstr. 11, 85748 Garching b. München, Germany
| | - Dietmar Eberbeck
- Physikalisch-Technische Bundesanstalt (PTB), Abbestraße 2-12, 10587 Berlin, Germany
| | - Sarah Rieck
- Institute of Physiology I, Life&Brain Center, Medical Faculty, University of Bonn, Sigmund Freud Str. 25, 53105 Bonn, Germany
| | - Katrin Zimmermann
- Institute of Pharmacology and Toxicology, Medical Faculty, University of Bonn, Sigmund Freud Str. 25, 53105 Bonn, Germany
| | - Martin Breitbach
- Institute of Physiology I, Life&Brain Center, Medical Faculty, University of Bonn, Sigmund Freud Str. 25, 53105 Bonn, Germany
| | - Britta Engelbrecht
- Department of Cardiac Surgery, Medical Faculty, University of Bonn, Sigmund Freud Str. 25, 53105 Bonn, Germany
| | - Tobias Brügmann
- Institute of Physiology I, Life&Brain Center, Medical Faculty, University of Bonn, Sigmund Freud Str. 25, 53105 Bonn, Germany
| | - Michael Hesse
- Institute of Physiology I, Life&Brain Center, Medical Faculty, University of Bonn, Sigmund Freud Str. 25, 53105 Bonn, Germany
| | - Armin Welz
- Department of Cardiac Surgery, Medical Faculty, University of Bonn, Sigmund Freud Str. 25, 53105 Bonn, Germany
| | - Philipp Sasse
- Institute of Physiology I, Life&Brain Center, Medical Faculty, University of Bonn, Sigmund Freud Str. 25, 53105 Bonn, Germany
| | - Daniela Wenzel
- Institute of Physiology I, Life&Brain Center, Medical Faculty, University of Bonn, Sigmund Freud Str. 25, 53105 Bonn, Germany
| | - Christian Plank
- Institute of Molecular Immunology/ Experimental Oncology, Klinikum München rechts der Isar, Technische Universität München, Ismaningerstr. 22, 81675 München, Germany
| | - Bernhard Gleich
- Institute of Medical Engineering (IME.TUM), Boltzmannstr. 11, 85748 Garching b. München, Germany
| | - Michael Hölzel
- Unit for RNA Biology, Department of Clinical Chemistry and Clinical Pharmacology, University of Bonn, Sigmund Freud Str. 25, 53105 Bonn, Germany
| | - Wilhelm Bloch
- Institute of Cardiovascular Research and Sport Medicine, Department of Molecular and Cellular Sport Medicine, German Sport University Cologne, 50933 Cologne, Germany
| | - Alexander Pfeifer
- Institute of Pharmacology and Toxicology, Medical Faculty, University of Bonn, Sigmund Freud Str. 25, 53105 Bonn, Germany
| | - Bernd K Fleischmann
- Institute of Physiology I, Life&Brain Center, Medical Faculty, University of Bonn, Sigmund Freud Str. 25, 53105 Bonn, Germany.
| | - Wilhelm Roell
- Department of Cardiac Surgery, Medical Faculty, University of Bonn, Sigmund Freud Str. 25, 53105 Bonn, Germany.
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Lapp H, Bruegmann T, Malan D, Friedrichs S, Kilgus C, Heidsieck A, Sasse P. Frequency-dependent drug screening using optogenetic stimulation of human iPSC-derived cardiomyocytes. Sci Rep 2017; 7:9629. [PMID: 28851973 PMCID: PMC5575076 DOI: 10.1038/s41598-017-09760-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Accepted: 07/31/2017] [Indexed: 11/29/2022] Open
Abstract
Side effects on cardiac ion channels are one major reason for new drugs to fail during preclinical evaluation. Herein we propose a simple optogenetic screening tool measuring extracellular field potentials (FP) from paced cardiomyocytes to identify drug effects over the whole physiological heart range, which is essential given the rate-dependency of ion channel function and drug action. Human induced pluripotent stem cell-derived cardiomyocytes were transduced with an adeno-associated virus to express Channelrhodopsin2 and plated on micro-electrode arrays. Global pulsed illumination (470 nm, 1 ms, 0.9 mW/mm2) was applied at frequencies from 1 to 2.5 Hz, which evoked FP simultaneously in all cardiomyocytes. This synchronized activation allowed averaging of FP from all electrodes resulting in one robust FP signal for analysis. Field potential duration (FPD) was ~25% shorter at 2.5 Hz compared to 1 Hz. Inhibition of hERG channels prolonged FPD only at low heart rates whereas Ca2+ channel block shortened FPD at all heart rates. Optogenetic pacing also allowed analysis of the maximum downstroke velocity of the FP to detect drug effects on Na+ channel availability. In principle, the presented method is well scalable for high content cardiac toxicity screening or personalized medicine for inherited cardiac channelopathies.
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Affiliation(s)
- Hendrik Lapp
- Institute of Physiology I, Life and Brain Center, Medical Faculty, University of Bonn, Sigmund-Freud-Str. 25, 53127, Bonn, Germany
| | - Tobias Bruegmann
- Institute of Physiology I, Life and Brain Center, Medical Faculty, University of Bonn, Sigmund-Freud-Str. 25, 53127, Bonn, Germany
- Research Training Group 1873, University of Bonn, 53127, Bonn, Germany
| | - Daniela Malan
- Institute of Physiology I, Life and Brain Center, Medical Faculty, University of Bonn, Sigmund-Freud-Str. 25, 53127, Bonn, Germany
| | - Stephanie Friedrichs
- Institute of Physiology I, Life and Brain Center, Medical Faculty, University of Bonn, Sigmund-Freud-Str. 25, 53127, Bonn, Germany
| | - Carsten Kilgus
- Institute of Physiology I, Life and Brain Center, Medical Faculty, University of Bonn, Sigmund-Freud-Str. 25, 53127, Bonn, Germany
| | - Alexandra Heidsieck
- Zentralinstitut für Medizintechnik, Technische Universität München, München, Germany
| | - Philipp Sasse
- Institute of Physiology I, Life and Brain Center, Medical Faculty, University of Bonn, Sigmund-Freud-Str. 25, 53127, Bonn, Germany.
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12
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Heun Y, Hildebrand S, Heidsieck A, Gleich B, Anton M, Pircher J, Ribeiro A, Mykhaylyk O, Eberbeck D, Wenzel D, Pfeifer A, Woernle M, Krötz F, Pohl U, Mannell H. Targeting of Magnetic Nanoparticle-coated Microbubbles to the Vascular Wall Empowers Site-specific Lentiviral Gene Delivery in vivo. Theranostics 2017; 7:295-307. [PMID: 28042335 PMCID: PMC5197065 DOI: 10.7150/thno.16192] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Accepted: 09/13/2016] [Indexed: 12/13/2022] Open
Abstract
In the field of vascular gene therapy, targeting systems are promising advancements to improve site-specificity of gene delivery. Here, we studied whether incorporation of magnetic nanoparticles (MNP) with different magnetic properties into ultrasound sensitive microbubbles may represent an efficient way to enable gene targeting in the vascular system after systemic application. Thus, we associated novel silicon oxide-coated magnetic nanoparticle containing microbubbles (SO-Mag MMB) with lentiviral particles carrying therapeutic genes and determined their physico-chemical as well as biological properties compared to MMB coated with polyethylenimine-coated magnetic nanoparticles (PEI-Mag MMB). While there were no differences between both MMB types concerning size and lentivirus binding, SO-Mag MMB exhibited superior characteristics regarding magnetic moment, magnetizability as well as transduction efficiency under static and flow conditions in vitro. Focal disruption of lentiviral SO-Mag MMB by ultrasound within isolated vessels exposed to an external magnetic field decisively improved localized VEGF expression in aortic endothelium ex vivo and enhanced the angiogenic response. Using the same system in vivo, we achieved a highly effective, site-specific lentiviral transgene expression in microvessels of the mouse dorsal skin after arterial injection. Thus, we established a novel lentiviral MMB technique, which has great potential towards site-directed vascular gene therapy.
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13
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Ferizi M, Aneja MK, Balmayor ER, Badieyan ZS, Mykhaylyk O, Rudolph C, Plank C. Human cellular CYBA UTR sequences increase mRNA translation without affecting the half-life of recombinant RNA transcripts. Sci Rep 2016; 6:39149. [PMID: 27974853 PMCID: PMC5156912 DOI: 10.1038/srep39149] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Accepted: 11/18/2016] [Indexed: 12/24/2022] Open
Abstract
Modified nucleotide chemistries that increase the half-life (T1/2) of transfected recombinant mRNA and the use of non-native 5'- and 3'-untranslated region (UTR) sequences that enhance protein translation are advancing the prospects of transcript therapy. To this end, a set of UTR sequences that are present in mRNAs with long cellular T1/2 were synthesized and cloned as five different recombinant sequence set combinations as upstream 5'-UTR and/or downstream 3'-UTR regions flanking a reporter gene. Initial screening in two different cell systems in vitro revealed that cytochrome b-245 alpha chain (CYBA) combinations performed the best among all other UTR combinations and were characterized in detail. The presence or absence of CYBA UTRs had no impact on the mRNA stability of transfected mRNAs, but appeared to enhance the productivity of transfected transcripts based on the measurement of mRNA and protein levels in cells. When CYBA UTRs were fused to human bone morphogenetic protein 2 (hBMP2) coding sequence, the recombinant mRNA transcripts upon transfection produced higher levels of protein as compared to control transcripts. Moreover, transfection of human adipose mesenchymal stem cells with recombinant hBMP2-CYBA UTR transcripts induced bone differentiation demonstrating the osteogenic and therapeutic potential for transcript therapy based on hybrid UTR designs.
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Affiliation(s)
- Mehrije Ferizi
- Institute of Molecular Immunology- Experimental Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, 81675, Germany
- Ethris GmbH, Planegg, 82152, Germany
| | | | - Elizabeth R. Balmayor
- Experimental Trauma Surgery, Klinikum rechts der Isar, Technische Universität München, Munich, 81675, Germany
| | - Zohreh Sadat Badieyan
- Institute of Molecular Immunology- Experimental Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, 81675, Germany
| | - Olga Mykhaylyk
- Institute of Molecular Immunology- Experimental Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, 81675, Germany
- Ethris GmbH, Planegg, 82152, Germany
| | | | - Christian Plank
- Institute of Molecular Immunology- Experimental Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, 81675, Germany
- Ethris GmbH, Planegg, 82152, Germany
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14
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Xia B, Huang L, Zhu L, Liu Z, Ma T, Zhu S, Huang J, Luo Z. Manipulation of Schwann cell migration across the astrocyte boundary by polysialyltransferase-loaded superparamagnetic nanoparticles under magnetic field. Int J Nanomedicine 2016; 11:6727-6741. [PMID: 28003748 PMCID: PMC5161335 DOI: 10.2147/ijn.s122358] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Schwann cell (SC) transplantation is an attractive strategy for spinal cord injury (SCI). However, the efficacy of SC transplantation has been limited by the poor migratory ability of SCs in the astrocyte-rich central nervous system (CNS) environment and the inability to intermingle with the host astrocyte. In this study, we first magnetofected SCs by polysialyltransferase-functionalized superparamagnetic iron oxide nanoparticles (PST/SPIONs) to induce overexpression of polysialylation of neural cell adhesion molecule (PSA-NCAM) to enhance SC migration ability, before manipulating the direction of SC migration with the assistance of an applied magnetic field (MF). It was found that magnetofection with PST/SPIONs significantly upregulated the expression of PSA-NCAM in SCs, which significantly enhanced the migration ability of SCs, but without preferential direction in the absence of MF. The number and averaged maximum distance of SCs with PST/SPIONs migrating into the astrocyte domain were significantly enhanced by an applied MF. In a 300 μm row along the astrocyte boundary, the number of SCs with PST/SPIONs migrating into the astrocyte domain under an MF was 2.95 and 6.71 times higher than that in the absence of MF and the intact control SCs, respectively. More interestingly, a confrontation assay demonstrated that SCs with PST/SPIONs were in close contact with astrocytes and no longer formed boundaries in the presence of MF. In conclusion, SCs with PST/SPIONs showed enhanced preferential migration along the axis of a magnetic force, which might be beneficial for the formation of Büngner bands in the CNS. These findings raise the possibilities of enhancing the migration of transplanted SCs in astrocyte-rich CNS regions in a specific direction and creating an SC bridge in the CNS environment to guide regenerated axons to their distal destination in the treatment of SCI.
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Affiliation(s)
- Bing Xia
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China
| | - Liangliang Huang
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China
| | - Lei Zhu
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China
| | - Zhongyang Liu
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China
| | - Teng Ma
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China
| | - Shu Zhu
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China
| | - Jinghui Huang
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China
| | - Zhuojing Luo
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China
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15
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Badieyan ZS, Pasewald T, Mykhaylyk O, Rudolph C, Plank C. Efficient ex vivo delivery of chemically modified messenger RNA using lipofection and magnetofection. Biochem Biophys Res Commun 2016; 482:796-801. [PMID: 27888105 DOI: 10.1016/j.bbrc.2016.11.113] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Accepted: 11/21/2016] [Indexed: 12/17/2022]
Abstract
Recently, chemically modified mRNA (cmRNA) therapeutics have been the subject of extensive application-oriented research in both academia and industry as a safer alternative for gene and recombinant protein therapies. However, the lack of an efficient delivery system hinders widespread application. Here we used ∼100-nm lipoplexes and magnetic lipoplexes that can protect cmRNA from RNases and efficiently deliver it into muscle and fat tissues as well as to the endothelium of the carotid artery. Establishing magnetofection for ex vivo cmRNA delivery for the first time, we suggest this method for potential enhanced and targeted delivery of cmRNA. This study introduces optimal cmRNA complexes with high ex vivo efficiency as good candidates for further in vivo cmRNA delivery.
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Affiliation(s)
- Zohreh Sadat Badieyan
- Institute of Molecular Immunology-Experimental Oncology, Technische Universität München, Munich, Germany.
| | | | | | | | - Christian Plank
- Institute of Molecular Immunology-Experimental Oncology, Technische Universität München, Munich, Germany; Ethris GmbH, Planegg, Germany
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16
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Vosen S, Rieck S, Heidsieck A, Mykhaylyk O, Zimmermann K, Plank C, Gleich B, Pfeifer A, Fleischmann BK, Wenzel D. Improvement of vascular function by magnetic nanoparticle-assisted circumferential gene transfer into the native endothelium. J Control Release 2016; 241:164-173. [PMID: 27667178 DOI: 10.1016/j.jconrel.2016.09.024] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 09/20/2016] [Accepted: 09/21/2016] [Indexed: 12/22/2022]
Abstract
Gene therapy is a promising approach for chronic disorders that require continuous treatment such as cardiovascular disease. Overexpression of vasoprotective genes has generated encouraging results in animal models, but not in clinical trials. One major problem in humans is the delivery of sufficient amounts of genetic vectors to the endothelium which is impeded by blood flow, whereas prolonged stop-flow conditions impose the risk of ischemia. In the current study we have therefore developed a strategy for the efficient circumferential lentiviral gene transfer in the native endothelium under constant flow conditions. For that purpose we perfused vessels that were exposed to specially designed magnetic fields with complexes of lentivirus and magnetic nanoparticles thereby enabling overexpression of therapeutic genes such as endothelial nitric oxide synthase (eNOS) and vascular endothelial growth factor (VEGF). This treatment enhanced NO and VEGF production in the transduced endothelium and resulted in a reduction of vascular tone and increased angiogenesis. Thus, the combination of MNPs with magnetic fields is an innovative strategy for site-specific and efficient vascular gene therapy.
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Affiliation(s)
- Sarah Vosen
- Institute of Physiology I, Life & Brain Center, University Clinic of Bonn, Germany
| | - Sarah Rieck
- Institute of Physiology I, Life & Brain Center, University Clinic of Bonn, Germany
| | | | - Olga Mykhaylyk
- Institute of Experimental Oncology and Therapy Research, TU München, Germany
| | - Katrin Zimmermann
- Institute of Pharmacology and Toxicology, University Clinic of Bonn, Germany
| | - Christian Plank
- Institute of Experimental Oncology and Therapy Research, TU München, Germany
| | - Bernhard Gleich
- Zentralinstitut für Medizintechnik (IMETUM), TU München, Germany
| | - Alexander Pfeifer
- Institute of Pharmacology and Toxicology, University Clinic of Bonn, Germany
| | - Bernd K Fleischmann
- Institute of Physiology I, Life & Brain Center, University Clinic of Bonn, Germany
| | - Daniela Wenzel
- Institute of Physiology I, Life & Brain Center, University Clinic of Bonn, Germany.
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17
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Czugala M, Mykhaylyk O, Böhler P, Onderka J, Stork B, Wesselborg S, Kruse FE, Plank C, Singer BB, Fuchsluger TA. Efficient and safe gene delivery to human corneal endothelium using magnetic nanoparticles. Nanomedicine (Lond) 2016; 11:1787-800. [DOI: 10.2217/nnm-2016-0144] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Aim: To develop a safe and efficient method for targeted, anti-apoptotic gene therapy of corneal endothelial cells (CECs). Materials & methods: Magnetofection (MF), a combination of lipofection with magnetic nanoparticles (MNPs; PEI-Mag2, SO-Mag5, PalD1-Mag1), was tested in human CECs and in explanted human corneas. Effects on cell viability and function were investigated. Immunocompatibility was assessed in human peripheral blood mononuclear cells. Results: Silica iron-oxide MNPs (SO-Mag5) combined with X-tremeGENE-HP achieved high transfection efficiency in human CECs and explanted human corneas, without altering cell viability or function. Magnetofection caused no immunomodulatory effects in human peripheral blood mononuclear cells. Magnetofection with anti-apoptotic P35 gene effectively blocked apoptosis in CECs. Conclusion: Magnetofection is a promising tool for gene therapy of corneal endothelial cells with potential for targeted on-site delivery.
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Affiliation(s)
- Marta Czugala
- Department of Ophthalmology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Institute of Anatomy, University Duisburg-Essen, Essen, Germany
| | - Olga Mykhaylyk
- Institute of Immunology & Experimental Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Philip Böhler
- Institute of Molecular Medicine I, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Jasmine Onderka
- Department of Ophthalmology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Björn Stork
- Institute of Molecular Medicine I, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Sebastian Wesselborg
- Institute of Molecular Medicine I, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Friedrich E Kruse
- Department of Ophthalmology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Christian Plank
- Institute of Immunology & Experimental Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | | | - Thomas A Fuchsluger
- Department of Ophthalmology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
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18
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Balmayor ER, Geiger JP, Aneja MK, Berezhanskyy T, Utzinger M, Mykhaylyk O, Rudolph C, Plank C. Chemically modified RNA induces osteogenesis of stem cells and human tissue explants as well as accelerates bone healing in rats. Biomaterials 2016; 87:131-146. [PMID: 26923361 DOI: 10.1016/j.biomaterials.2016.02.018] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 02/10/2016] [Accepted: 02/16/2016] [Indexed: 01/24/2023]
Abstract
Limitations associated to the use of growth factors represent a major hurdle to musculoskeletal regeneration. On the one hand, they are needed to induce neo-tissue formation for the substitution of a necrotic or missing tissue. On the other hand, these factors are used in supraphysiological concentrations, are short lived and expensive and result in many side effects. Here we develop a gene transfer strategy based on the use of chemically modified mRNA (cmRNA) coding for human bone morphogenetic protein 2 (hBMP-2) that is non-immunogenic and highly stable when compared to unmodified mRNA. Transfected stem cells secrete hBMP-2, show elevated alkaline phosphatase levels and upregulated expression of RunX2, ALP, Osterix, Osteocalcin, Osteopontin and Collagen Type I genes. Mineralization was induced as seen by positive Alizarin red staining. hBMP-2 cmRNA transfected human fat tissue also yielded an osteogenic response in vitro as indicated by expression of hBMP-2, RunX2, ALP and Collagen Type I. Delivering hBMP-2 cmRNA to a femur defect in a rat model results in new bone tissue formation as early as 2 weeks after application of very low doses. Overall, our studies demonstrate the feasibility and therapeutic potential of a new cmRNA-based gene therapy strategy that is safe and efficient. When applied clinically, this approach could overcome BMP-2 growth factor associated limitations in bone regeneration.
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Affiliation(s)
- Elizabeth R Balmayor
- Institute of Molecular Immunology and Experimental Oncology, Technical University Munich, Ismaninger Str. 22, 81675 Munich, Germany; Ethris GmbH, Semmelweisstr. 3, 82152 Planegg, Germany; Experimental Trauma Surgery, Klinikum rechts der Isar, Technical University Munich, Ismaninger Str. 22, 81675 Munich, Germany.
| | | | | | - Taras Berezhanskyy
- Institute of Molecular Immunology and Experimental Oncology, Technical University Munich, Ismaninger Str. 22, 81675 Munich, Germany; Ethris GmbH, Semmelweisstr. 3, 82152 Planegg, Germany
| | | | - Olga Mykhaylyk
- Institute of Molecular Immunology and Experimental Oncology, Technical University Munich, Ismaninger Str. 22, 81675 Munich, Germany; Ethris GmbH, Semmelweisstr. 3, 82152 Planegg, Germany
| | | | - Christian Plank
- Institute of Molecular Immunology and Experimental Oncology, Technical University Munich, Ismaninger Str. 22, 81675 Munich, Germany; Ethris GmbH, Semmelweisstr. 3, 82152 Planegg, Germany.
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19
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Vosen S, Rieck S, Heidsieck A, Mykhaylyk O, Zimmermann K, Bloch W, Eberbeck D, Plank C, Gleich B, Pfeifer A, Fleischmann BK, Wenzel D. Vascular Repair by Circumferential Cell Therapy Using Magnetic Nanoparticles and Tailored Magnets. ACS NANO 2016; 10:369-376. [PMID: 26736067 DOI: 10.1021/acsnano.5b04996] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Cardiovascular disease is often caused by endothelial cell (EC) dysfunction and atherosclerotic plaque formation at predilection sites. Also surgical procedures of plaque removal cause irreversible damage to the EC layer, inducing impairment of vascular function and restenosis. In the current study we have examined a potentially curative approach by radially symmetric re-endothelialization of vessels after their mechanical denudation. For this purpose a combination of nanotechnology with gene and cell therapy was applied to site-specifically re-endothelialize and restore vascular function. We have used complexes of lentiviral vectors and magnetic nanoparticles (MNPs) to overexpress the vasoprotective gene endothelial nitric oxide synthase (eNOS) in ECs. The MNP-loaded and eNOS-overexpressing cells were magnetic, and by magnetic fields they could be positioned at the vascular wall in a radially symmetric fashion even under flow conditions. We demonstrate that the treated vessels displayed enhanced eNOS expression and activity. Moreover, isometric force measurements revealed that EC replacement with eNOS-overexpressing cells restored endothelial function after vascular injury in eNOS(-/-) mice ex and in vivo. Thus, the combination of MNP-based gene and cell therapy with custom-made magnetic fields enables circumferential re-endothelialization of vessels and improvement of vascular function.
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Affiliation(s)
| | | | - Alexandra Heidsieck
- Zentralinstitut für Medizintechnik (IMETUM), TU München , München 85748, Germany
| | - Olga Mykhaylyk
- Institute of Experimental Oncology and Therapy Research, TU München , München 81675, Germany
| | | | - Wilhelm Bloch
- Institute of Cardiovascular Research and Sport Medicine, German Sport University Cologne , Cologne 50735, Germany
| | - Dietmar Eberbeck
- Physikalisch-Technische Bundesanstalt Berlin , Berlin 10587, Germany
| | - Christian Plank
- Institute of Experimental Oncology and Therapy Research, TU München , München 81675, Germany
| | - Bernhard Gleich
- Zentralinstitut für Medizintechnik (IMETUM), TU München , München 85748, Germany
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20
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Almstätter I, Mykhaylyk O, Settles M, Altomonte J, Aichler M, Walch A, Rummeny EJ, Ebert O, Plank C, Braren R. Characterization of magnetic viral complexes for targeted delivery in oncology. Theranostics 2015; 5:667-85. [PMID: 25897333 PMCID: PMC4402492 DOI: 10.7150/thno.10438] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2014] [Accepted: 01/07/2015] [Indexed: 12/15/2022] Open
Abstract
Oncolytic viruses are promising new agents in cancer therapy. Success of tumor lysis is often hampered by low intra-tumoral titers due to a strong anti-viral host immune response and insufficient tumor targeting. Previous work on the co-assembly of oncolytic virus particles (VPs) with magnetic nanoparticles (MNPs) was shown to provide shielding from inactivating immune response and improve targeting by external field gradients. In addition, MNPs are detected by magnet resonance imaging (MRI) enabling non-invasive therapy monitoring. In this study two selected core-shell type iron oxide MNPs were assembled with adenovirus (Ad) or vesicular stomatitis virus (VSV). The selected MNPs were characterized by high r2 and r2* relaxivities and thus could be quantified non-invasively by 1.5 and 3.0 tesla MRI with a detection limit below 0.001 mM iron in tissue-mimicking phantoms. Assembly and cell internalization of MNP-VP complexes resulted in 81 - 97 % reduction of r2 and 35 - 82 % increase of r2* compared to free MNPs. The relaxivity changes could be attributed to the clusterization of particles and complexes shown by transmission electron microscopy (TEM). In a proof-of-principle study the non-invasive detection of MNP-VPs by MRI was shown in vivo in an orthotopic rat hepatocellular carcinoma model. In conclusion, MNP assembly and compartmentalization have a major impact on relaxivities, therefore calibration measurements are required for the correct quantification in biodistribution studies. Furthermore, our study provides first evidence of the in vivo applicability of selected MNP-VPs in cancer therapy.
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21
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Cerda MB, Batalla M, Anton M, Cafferata E, Podhajcer O, Plank C, Mykhaylyk O, Policastro L. Enhancement of nucleic acid delivery to hard-to-transfect human colorectal cancer cells by magnetofection at laminin coated substrates and promotion of the endosomal/lysosomal escape. RSC Adv 2015. [DOI: 10.1039/c5ra06562c] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Optimization of nucleic acid delivery in hard-to-transfect colorectal cancer cells by magnetofection at coated laminin substrates and by the endosomal escape enhancement of magnetic complexes using INF-7 peptide.
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Affiliation(s)
- María Belén Cerda
- Laboratory of Nanomedicine
- National Atomic Energy Commission
- Buenos Aires
- Argentina
- Consejo Nacional Investigación Científicas y Técnicas (CONICET)
| | - Milena Batalla
- Laboratory of Nanomedicine
- National Atomic Energy Commission
- Buenos Aires
- Argentina
- Institute of Nanoscience and Nanotechnology
| | - Martina Anton
- Institute of Experimental Oncology and Therapy Research
- Technische Universität München
- Munich
- Germany
| | - Eduardo Cafferata
- Consejo Nacional Investigación Científicas y Técnicas (CONICET)
- Argentina
- Laboratory of Molecular and Cellular Therapy
- Leloir Institute Foundation
- Ciudad Autónoma de Buenos Aires
| | - Osvaldo Podhajcer
- Consejo Nacional Investigación Científicas y Técnicas (CONICET)
- Argentina
- Laboratory of Molecular and Cellular Therapy
- Leloir Institute Foundation
- Ciudad Autónoma de Buenos Aires
| | - Christian Plank
- Institute of Experimental Oncology and Therapy Research
- Technische Universität München
- Munich
- Germany
| | - Olga Mykhaylyk
- Institute of Experimental Oncology and Therapy Research
- Technische Universität München
- Munich
- Germany
| | - Lucia Policastro
- Laboratory of Nanomedicine
- National Atomic Energy Commission
- Buenos Aires
- Argentina
- Consejo Nacional Investigación Científicas y Técnicas (CONICET)
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22
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Mykhaylyk O, Sanchez-Antequera Y, Vlaskou D, Cerda MB, Bokharaei M, Hammerschmid E, Anton M, Plank C. Magnetic nanoparticle and magnetic field assisted siRNA delivery in vitro. Methods Mol Biol 2015; 1218:53-106. [PMID: 25319646 DOI: 10.1007/978-1-4939-1538-5_5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
This chapter describes how to design and conduct experiments to deliver siRNA to adherent cell cultures in vitro by magnetic force-assisted transfection using self-assembled complexes of small interfering RNA (siRNA) and cationic lipids or polymers that are associated with magnetic nanoparticles (MNPs). These magnetic complexes are targeted to the cell surface by the application of a gradient magnetic field. A further development of the magnetic drug-targeting concept is combining it with an ultrasound-triggered delivery using magnetic microbubbles as a carrier for gene or drug delivery. For this purpose, selected MNPs, phospholipids, and siRNAs are assembled in the presence of perfluorocarbon gas into flexible formulations of magnetic lipospheres (microbubbles). Methods are described how to accomplish the synthesis of magnetic nanoparticles for magnetofection and how to test the association of siRNA with the magnetic components of the transfection vector. A simple method is described to evaluate magnetic responsiveness of the magnetic siRNA transfection complexes and estimate the complex loading with magnetic nanoparticles. Procedures are provided for the preparation of magnetic lipoplexes and polyplexes of siRNA as well as magnetic microbubbles for magnetofection and downregulation of the target gene expression analysis with account for the toxicity determined using an MTT-based respiration activity test. A modification of the magnetic transfection triplexes with INF-7, fusogenic peptide, is described resulting in reporter gene silencing improvement in HeLa, Caco-2, and ARPE-19 cells. The methods described can also be useful for screening vector compositions and novel magnetic nanoparticle preparations for optimized siRNA transfection by magnetofection in any cell type.
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Affiliation(s)
- Olga Mykhaylyk
- Institute of Experimental Oncology, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Strasse 22, Munich, 81675, Germany,
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23
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Conde AJ, Batalla M, Cerda B, Mykhaylyk O, Plank C, Podhajcer O, Cabaleiro JM, Madrid RE, Policastro L. Continuous flow generation of magnetoliposomes in a low-cost portable microfluidic platform. LAB ON A CHIP 2014; 14:4506-4512. [PMID: 25257193 DOI: 10.1039/c4lc00839a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
We present a low-cost, portable microfluidic platform that uses laminated polymethylmethacrylate chips, peristaltic micropumps and LEGO® Mindstorms components for the generation of magnetoliposomes that does not require extrusion steps. Mixtures of lipids reconstituted in ethanol and an aqueous phase were injected independently in order to generate a combination of laminar flows in such a way that we could effectively achieve four hydrodynamic focused nanovesicle generation streams. Monodisperse magnetoliposomes with characteristics comparable to those obtained by traditional methods have been obtained. The magnetoliposomes are responsive to external magnetic field gradients, a result that suggests that the nanovesicles can be used in research and applications in nanomedicine.
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Affiliation(s)
- Alvaro J Conde
- LAMEIN, Departamento de Bioingeniería, Facultad de Ciencias Exactas y Tecnología, Universidad Nacional de Tucumán/Instituto Superior de Investigaciones Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Independencia 1800, Tucumán, Argentina.
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24
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Grześkowiak BF, Sánchez-Antequera Y, Hammerschmid E, Döblinger M, Eberbeck D, Woźniak A, Słomski R, Plank C, Mykhaylyk O. Nanomagnetic Activation as a Way to Control the Efficacy of Nucleic Acid Delivery. Pharm Res 2014; 32:103-21. [DOI: 10.1007/s11095-014-1448-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Accepted: 07/02/2014] [Indexed: 01/01/2023]
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Mahmoudi M, Meng J, Xue X, Liang XJ, Rahman M, Pfeiffer C, Hartmann R, Gil PR, Pelaz B, Parak WJ, del Pino P, Carregal-Romero S, Kanaras AG, Tamil Selvan S. Interaction of stable colloidal nanoparticles with cellular membranes. Biotechnol Adv 2014; 32:679-92. [DOI: 10.1016/j.biotechadv.2013.11.012] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Revised: 11/04/2013] [Accepted: 11/12/2013] [Indexed: 11/25/2022]
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Kaur R, Hasan A, Iqbal N, Alam S, Saini MK, Raza SK. Synthesis and surface engineering of magnetic nanoparticles for environmental cleanup and pesticide residue analysis: A review. J Sep Sci 2014; 37:1805-25. [DOI: 10.1002/jssc.201400256] [Citation(s) in RCA: 143] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Revised: 04/09/2014] [Accepted: 04/10/2014] [Indexed: 01/04/2023]
Affiliation(s)
- Ranjeet Kaur
- Analytical Division; Institute of Pesticide Formulation Technology (IPFT); Gurgaon Haryana India
| | - Abshar Hasan
- Analytical Division; Institute of Pesticide Formulation Technology (IPFT); Gurgaon Haryana India
| | - Nusrat Iqbal
- Analytical Division; Institute of Pesticide Formulation Technology (IPFT); Gurgaon Haryana India
| | - Samsul Alam
- Analytical Division; Institute of Pesticide Formulation Technology (IPFT); Gurgaon Haryana India
| | - Mahesh Kr Saini
- Analytical Division; Institute of Pesticide Formulation Technology (IPFT); Gurgaon Haryana India
| | - Syed Kalbe Raza
- Analytical Division; Institute of Pesticide Formulation Technology (IPFT); Gurgaon Haryana India
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Rieck S, Zimmermann K, Wenzel D. Transduction of murine embryonic stem cells by magnetic nanoparticle-assisted lentiviral gene transfer. Methods Mol Biol 2014; 1058:89-96. [PMID: 23592033 DOI: 10.1007/7651_2013_6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
Genetic modification of embryonic stem (ES) cells is a valuable technique when combined with cell replacement strategies. Obtaining stable transgene expression and low-cytotoxicity lentiviral transduction of ES cells is advantageous. It has been shown that the efficiency of transfection and transduction approaches can be increased by magnetic nanoparticles (MNPs). Here, we present a protocol for MNP-assisted lentiviral transduction of adherent mouse ES cells. The application of MNPs increased transduction efficiency and provided the opportunity of cell positioning by a magnetic field.
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Affiliation(s)
- Sarah Rieck
- Institute of Pharmacology and Toxicology, University of Bonn, Bonn, Germany
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28
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Canfarotta F, Piletsky SA. Engineered magnetic nanoparticles for biomedical applications. Adv Healthc Mater 2014; 3:160-75. [PMID: 24497448 DOI: 10.1002/adhm.201300141] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2013] [Indexed: 12/11/2022]
Abstract
In the past decades, magnetic nanoparticles (MNPs) have been used in wide range of diverse applications, ranging from separation to sensing. Here, synthesis and applications of functionalized MNPs in the biomedical field are discussed, in particular in drug delivery, imaging, and cancer therapy, highlighting also recent progresses in the development of multifunctional and stimuli-responsive MNPs. The role of their size, composition, and surface functionalization is analyzed, together with their biocompatibility issues.
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29
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Lerche D, Sobisch T. Evaluation of particle interactions by in situ visualization of separation behaviour. Colloids Surf A Physicochem Eng Asp 2014. [DOI: 10.1016/j.colsurfa.2012.10.015] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Yan J, Horák D, Lenfeld J, Hammond M, Kamali-Moghaddam M. A tosyl-activated magnetic bead cellulose as solid support for sensitive protein detection. J Biotechnol 2013; 167:235-40. [DOI: 10.1016/j.jbiotec.2013.06.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Revised: 06/12/2013] [Accepted: 06/18/2013] [Indexed: 11/25/2022]
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Wadajkar AS, Menon JU, Kadapure T, Tran RT, Yang J, Nguyen KT. Design and Application of Magnetic-based Theranostic Nanoparticle Systems. ACTA ACUST UNITED AC 2013; 6:47-57. [PMID: 23795343 DOI: 10.2174/1874764711306010007] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Recently, magnetic-based theranostic nanoparticle (MBTN) systems have been studied, researched, and applied extensively to detect and treat various diseases including cancer. Theranostic nanoparticles are advantageous in that the diagnosis and treatment of a disease can be performed in a single setting using combinational strategies of targeting, imaging, and/or therapy. Of these theranostic strategies, magnetic-based systems containing magnetic nanoparticles (MNPs) have gained popularity because of their unique ability to be used in magnetic resonance imaging, magnetic targeting, hyperthermia, and controlled drug release. To increase their effectiveness, MNPs have been decorated with a wide variety of materials to improve their biocompatibility, carry therapeutic payloads, encapsulate/bind imaging agents, and provide functional groups for conjugation of biomolecules that provide receptor-mediated targeting of the disease. This review summarizes recent patents involving various polymer coatings, imaging agents, therapeutic agents, targeting mechanisms, and applications along with the major requirements and challenges faced in using MBTN for disease management.
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Affiliation(s)
- Aniket S Wadajkar
- Department of Bioengineering, The University of Texas at Arlington, Arlington, TX 76019 ; Joint Biomedical Engineering Program between The University of Texas at Arlington and The University of Texas Southwestern Medical Center, Dallas, TX 75390
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32
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Goldberg JS, Vadakkan TJ, Hirschi KK, Dickinson ME. A computational approach to detect gap junction plaques and associate them with cells in fluorescent images. J Histochem Cytochem 2013; 61:283-93. [PMID: 23324867 DOI: 10.1369/0022155413477114] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Intercellular signaling is a fundamental requirement for complex biological system function and survival. Communication between adjoining cells is largely achieved via gap junction channels made up of multiple subunits of connexin proteins, each with unique selectivity and regulatory properties. Intercellular communication via gap junction channels facilitates transmission of an array of cellular signals, including ions, macromolecules, and metabolites that coordinate physiological processes throughout tissues and entire organisms. Although current methods used to quantify connexin expression rely on number or area density measurements in a field of view, they lack cellular assignment, distance measurement capabilities (both within the cell and to extracellular structures), and complete automation. We devised an automated computational approach built on a contour expansion algorithm platform that allows connexin protein detection and assignment to specific cells within complex tissues. In addition, parallel implementation of the contour expansion algorithm allows for high-throughput analysis as the complexity of the biological sample increases. This method does not depend specifically on connexin identification and can be applied more widely to the analysis of numerous immunocytochemical markers as well as to identify particles within tissues such as nanoparticles, gene delivery vehicles, or even cellular fragments such as exosomes or microparticles.
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Affiliation(s)
- Joshua S Goldberg
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, USA
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33
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Calatayud MP, Riggio C, Raffa V, Sanz B, Torres TE, Ibarra MR, Hoskins C, Cuschieri A, Wang L, Pinkernelle J, Keilhoff G, Goya GF. Neuronal cells loaded with PEI-coated Fe3O4 nanoparticles for magnetically guided nerve regeneration. J Mater Chem B 2013; 1:3607-3616. [DOI: 10.1039/c3tb20336k] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Heidsieck A, Vosen S, Zimmermann K, Wenzel D, Gleich B. Analysis of Trajectories for Targeting of Magnetic Nanoparticles in Blood Vessels. Mol Pharm 2012; 9:2029-38. [DOI: 10.1021/mp3001155] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Alexandra Heidsieck
- Zentralinstitut für Medizintechnik
(IMETUM), Technische Universität München, Garching,
Germany
| | - Sarah Vosen
- Institute of Physiology I, University of Bonn, Life & Brain Center, Bonn, Germany
| | - Katrin Zimmermann
- Institute of Pharmacology and
Toxicology, University of Bonn, Bonn, Germany
| | - Daniela Wenzel
- Institute of Physiology I, University of Bonn, Life & Brain Center, Bonn, Germany
| | - Bernhard Gleich
- Zentralinstitut für Medizintechnik
(IMETUM), Technische Universität München, Garching,
Germany
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35
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Anton M, Wolf A, Mykhaylyk O, Koch C, Gansbacher B, Plank C. Optimizing adenoviral transduction of endothelial cells under flow conditions. Pharm Res 2011; 29:1219-31. [PMID: 22207207 DOI: 10.1007/s11095-011-0631-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2011] [Accepted: 11/16/2011] [Indexed: 11/24/2022]
Abstract
PURPOSE To target adenoviral vectors to cells of the vasculature and shielding vectors from inactivation by the immune system. METHODS Complexes of reporter gene expressing adenoviral vectors with positively charged magnetic nanoparticles were formed by electrostatic interaction in presence or absence of additional negatively charged poly(ethylene glycol)-based polymer. Transduction of HUVEC was analyzed in vitro under flow. Protection from inactivation by the immune system was analyzed by pre-incubation of AdV and complexes with neutralizing antibodies and subsequent reporter protein analysis of infected cells. RESULTS Physical association of AdV with MNP and polymers was demonstrated by radioactive labelling of components and co-sedimentation in a magnetic field. Ad-MNP+/-polymer resulted in efficient transduction of HUVEC, depending on MOI and flow rate in presence of magnetic field, whereas no transduction was observed without complex formation with MNP or in absence of magnetic field. Association with MNP did result in protection from neutralizing antibodies, with slightly increased protection provided by the polymer. CONCLUSIONS Complex formation of AdV with MNP is a viable means for targeting of vectors to areas of magnetic field gradient. Additional coating with polymer might proof useful in protection from inactivation by the immune system.
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Affiliation(s)
- Martina Anton
- Institute of Experimental Oncology and Therapy Research, Klinikum rechts der Isar der Technischen Universität München, Munich, Germany.
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Kilgus C, Heidsieck A, Ottersbach A, Roell W, Trueck C, Fleischmann BK, Gleich B, Sasse P. Local gene targeting and cell positioning using magnetic nanoparticles and magnetic tips: comparison of mathematical simulations with experiments. Pharm Res 2011; 29:1380-91. [PMID: 22207208 DOI: 10.1007/s11095-011-0647-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2011] [Accepted: 12/05/2011] [Indexed: 12/23/2022]
Abstract
PURPOSE Magnetic nanoparticles (MNPs) and magnets can be used to enhance gene transfer or cell attachment but gene or cell delivery to confined areas has not been addressed. We therefore searched for an optimal method to simulate and perform local gene targeting and cell delivery in vitro. METHODS Localized gene transfer or cell positioning was achieved using permanent magnets with newly designed soft iron tips and MNP/lentivirus complexes or MNP-loaded cells, respectively. Their distribution was simulated with a mathematical model calculating magnetic flux density gradients and particle trajectories. RESULTS Soft iron tips generated strong confined magnetic fields and could be reliably used for local (~500 μm diameter) gene targeting and positioning of bone marrow cells or cardiomyocytes. The calculated distribution of MNP/lentivirus complexes and MNP-loaded cells concurred very well with the experimental results of local gene expression and cell attachment, respectively. CONCLUSION MNP-based gene targeting and cell positioning can be reliably performed in vitro using magnetic soft iron tips, and computer simulations are effective methods to predict and optimize experimental results.
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Affiliation(s)
- Carsten Kilgus
- Institute of Physiology I, Life and Brain Center, University of Bonn, Sigmund-Freud-Str 25, 53127 Bonn, Germany
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