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Qiao R, Fu C, Forgham H, Javed I, Huang X, Zhu J, Whittaker AK, Davis TP. Magnetic Iron Oxide Nanoparticles for Brain Imaging and Drug Delivery. Adv Drug Deliv Rev 2023; 197:114822. [PMID: 37086918 DOI: 10.1016/j.addr.2023.114822] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 03/14/2023] [Accepted: 04/09/2023] [Indexed: 04/24/2023]
Abstract
Central nervous system (CNS) disorders affect as many as 1.5 billion people globally. The limited delivery of most imaging and therapeutic agents into the brain is a major challenge for treatment of CNS disorders. With the advent of nanotechnologies, controlled delivery of drugs with nanoparticles holds great promise in CNS disorders for overcoming the blood-brain barrier (BBB) and improving delivery efficacy. In recent years, magnetic iron oxide nanoparticles (MIONPs) have stood out as a promising theranostic nanoplatform for brain imaging and drug delivery as they possess unique physical properties and biodegradable characteristics. In this review, we summarize the recent advances in MIONP-based platforms as imaging and drug delivery agents for brain diseases. We firstly introduce the methods of synthesis and surface functionalization of MIONPs with emphasis on the inclusion of biocompatible polymers that allow for the addition of tailored physicochemical properties. We then discuss the recent advances in in vivo imaging and drug delivery applications using MIONPs. Finally, we present a perspective on the remaining challenges and possible future directions for MIONP-based brain delivery systems.
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Affiliation(s)
- Ruirui Qiao
- Australian Institute of Bioengineering & Nanotechnology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Changkui Fu
- Australian Institute of Bioengineering & Nanotechnology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Helen Forgham
- Australian Institute of Bioengineering & Nanotechnology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Ibrahim Javed
- Australian Institute of Bioengineering & Nanotechnology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Xumin Huang
- Australian Institute of Bioengineering & Nanotechnology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Jiayuan Zhu
- Australian Institute of Bioengineering & Nanotechnology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Andrew K Whittaker
- Australian Institute of Bioengineering & Nanotechnology, The University of Queensland, Brisbane, Queensland 4072, Australia.
| | - Thomas P Davis
- Australian Institute of Bioengineering & Nanotechnology, The University of Queensland, Brisbane, Queensland 4072, Australia.
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Chen C, Ge J, Gao Y, Chen L, Cui J, Zeng J, Gao M. Ultrasmall superparamagnetic iron oxide nanoparticles: A next generation contrast agent for magnetic resonance imaging. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2021; 14:e1740. [PMID: 34296533 DOI: 10.1002/wnan.1740] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 06/28/2021] [Accepted: 06/29/2021] [Indexed: 12/12/2022]
Abstract
As a research hotspot, the development of magnetic resonance imaging (MRI) contrast agents has attracted great attention over the past decades for improving the accuracy of diagnosis. Ultrasmall superparamagnetic iron oxide (USPIO) nanoparticles with core diameter smaller than 5.0 nm are expected to become a next generation of contrast agents owing to their excellent MRI performance, long blood circulation time upon proper surface modification, renal clearance capacity, and remarkable biosafety profile. On top of these merits, USPIO nanoparticles are used for developing not only T1 contrast agents, but also T2 /T1 switchable contrast agents via assembly/disassembly approaches. In recent years, as a new type of contrast agents, USPIO nanoparticles have shown considerable applications in the diagnosis of various diseases such as vascular pathological changes and inflammations apart from malignant tumors. In this review, we are focusing on the state-of-the-art developments and the latest applications of USPIO nanoparticles as MRI contrast agents to discuss their advantages and future prospects. This article is categorized under: Diagnostic Tools > In Vivo Nanodiagnostics and Imaging.
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Affiliation(s)
- Can Chen
- Center for Molecular Imaging and Nuclear Medicine, State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University, Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Suzhou, China
| | - Jianxian Ge
- Center for Molecular Imaging and Nuclear Medicine, State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University, Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Suzhou, China
| | - Yun Gao
- Center for Molecular Imaging and Nuclear Medicine, State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University, Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Suzhou, China
| | - Lei Chen
- Center for Molecular Imaging and Nuclear Medicine, State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University, Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Suzhou, China
| | - Jiabin Cui
- Center for Molecular Imaging and Nuclear Medicine, State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University, Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Suzhou, China
| | - Jianfeng Zeng
- Center for Molecular Imaging and Nuclear Medicine, State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University, Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Suzhou, China
| | - Mingyuan Gao
- Center for Molecular Imaging and Nuclear Medicine, State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University, Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Suzhou, China.,Shanghai University of Medicine and Health Sciences (SUMHS), Shanghai, China
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Engineering heterogeneity of precision nanoparticles for biomedical delivery and therapy. VIEW 2021. [DOI: 10.1002/viw.20200067] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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Skalickova S, Horky P, Mlejnkova V, Skladanka J, Hosnedlova B, Ruttkay‐Nedecky B, Fernandez C, Kizek R. Theranostic Approach for the Protein Corona of Polysaccharide Nanoparticles. CHEM REC 2020; 21:17-28. [DOI: 10.1002/tcr.202000042] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 10/22/2020] [Indexed: 01/06/2023]
Affiliation(s)
- Sylvie Skalickova
- Department of Pharmacology and Toxicology, Faculty of Pharmacy Masaryk University Palackeho 1946/1 612 00 Brno Czech Republic
- Department of Animal Nutrition and Forage Production Mendel University in Brno Zemedelska 1 613 00 Brno Czech Republic
| | - Pavel Horky
- Department of Animal Nutrition and Forage Production Mendel University in Brno Zemedelska 1 613 00 Brno Czech Republic
| | - Veronika Mlejnkova
- Department of Animal Nutrition and Forage Production Mendel University in Brno Zemedelska 1 613 00 Brno Czech Republic
| | - Jiri Skladanka
- Department of Animal Nutrition and Forage Production Mendel University in Brno Zemedelska 1 613 00 Brno Czech Republic
| | - Bozena Hosnedlova
- Department of Research and Development Prevention Medicals Tovarni 342 742 13 Studenka-Butovice Czech Republic
- Department of Viticulture and Enology, Faculty of Horticulture Mendel University in Brno Valticka 337 CZ-691 44 Lednice Czech Republic
| | - Branislav Ruttkay‐Nedecky
- Department of Research and Development Prevention Medicals Tovarni 342 742 13 Studenka-Butovice Czech Republic
- Department of Viticulture and Enology, Faculty of Horticulture Mendel University in Brno Valticka 337 CZ-691 44 Lednice Czech Republic
- Department of Molecular Pharmacy, Faculty of Pharmacy Masaryk University Palackeho 1946/1 612 00 Brno Czech Republic
| | - Carlos Fernandez
- School of Pharmacy and Life Sciences Robert Gordon University Garthdee Road AB10 7QB Aberdeen UK
| | - Rene Kizek
- Department of Pharmacology and Toxicology, Faculty of Pharmacy Masaryk University Palackeho 1946/1 612 00 Brno Czech Republic
- Department of Research and Development Prevention Medicals Tovarni 342 742 13 Studenka-Butovice Czech Republic
- Department of Viticulture and Enology, Faculty of Horticulture Mendel University in Brno Valticka 337 CZ-691 44 Lednice Czech Republic
- Department of Biomedical and Environmental Analyses, Faculty of Pharmacy with Division of Laboratory Medicine Wroclaw Medical University Borowska 211 50-556 Wroclaw Poland
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The Intrinsic Biological Identities of Iron Oxide Nanoparticles and Their Coatings: Unexplored Territory for Combinatorial Therapies. NANOMATERIALS 2020; 10:nano10050837. [PMID: 32349362 PMCID: PMC7712800 DOI: 10.3390/nano10050837] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 04/23/2020] [Accepted: 04/24/2020] [Indexed: 12/11/2022]
Abstract
Over the last 20 years, iron oxide nanoparticles (IONPs) have been the subject of increasing investigation due to their potential use as theranostic agents. Their unique physical properties (physical identity), ample possibilities for surface modifications (synthetic identity), and the complex dynamics of their interaction with biological systems (biological identity) make IONPs a unique and fruitful resource for developing magnetic field-based therapeutic and diagnostic approaches to the treatment of diseases such as cancer. Like all nanomaterials, IONPs also interact with different cell types in vivo, a characteristic that ultimately determines their activity over the short and long term. Cells of the mononuclear phagocytic system (macrophages), dendritic cells (DCs), and endothelial cells (ECs) are engaged in the bulk of IONP encounters in the organism, and also determine IONP biodistribution. Therefore, the biological effects that IONPs trigger in these cells (biological identity) are of utmost importance to better understand and refine the efficacy of IONP-based theranostics. In the present review, which is focused on anti-cancer therapy, we discuss recent findings on the biological identities of IONPs, particularly as concerns their interactions with myeloid, endothelial, and tumor cells. Furthermore, we thoroughly discuss current understandings of the basic molecular mechanisms and complex interactions that govern IONP biological identity, and how these traits could be used as a stepping stone for future research.
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Olenin AY, Lisichkin GV. Surface-Modified Oxide Nanoparticles: Synthesis and Application. RUSS J GEN CHEM+ 2019. [DOI: 10.1134/s1070363219070168] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Mohammadi MR, Corbo C, Molinaro R, Lakey JRT. Biohybrid Nanoparticles to Negotiate with Biological Barriers. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1902333. [PMID: 31250985 DOI: 10.1002/smll.201902333] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 05/30/2019] [Indexed: 06/09/2023]
Abstract
Incapability of effective cross-talk with biological environments has partly impaired the in vivo functionality of nanoparticles (NPs). Homing, biodistribution, and function of NPs could be engineered through regulating their interactions with in vivo niches. Inspired by communications in biological systems, endowing a "biological identity" to synthetic NPs is one approach to control their biodistribution, and immunonegotiation profiles. This synthetic-biological combination is referred to as biohybrid NPs, which comprise both i) engineerable, readily producible, and trackable synthetic NPs as well as ii) biological moieties with the capability to cross-talk with immunological barriers. Here, the latest understanding on the in vivo interactions of NPs, biological barriers they face, and emerging methods for quantitative measurements of NPs' biodistribution are reviewed. Some key biomolecules that have emerged as negotiators with the immune system in the context of cancer and autoimmunity, and their inspirations on biohybrid NPs are introduced. Critical design considerations for efficient cross-talk between NPs and innate and adaptive immunity followed by hybridization methods are also discussed. Finally, clinical translation challenges and future perspectives regarding biohybrid NPs are discussed.
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Affiliation(s)
- M Rezaa Mohammadi
- Department of Chemical Engineering and Materials Science, University of California, Irvine, Sue and Bill Gross Stem Cell Research Center, Irvine, CA, 92697, USA
- Department of Surgery and Biomedical Engineering, University of California, Irvine, CA, 92697, USA
| | - Claudia Corbo
- School of Medicine and Surgery, University of Milano-Bicocca, Milan, MI, 20126, Italy
| | - Roberto Molinaro
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, Urbino, PU, 61029, Italy
- Department of Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Jonathan R T Lakey
- Department of Surgery and Biomedical Engineering, University of California, Irvine, CA, 92697, USA
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Sloan-Dennison S, Schultz ZD. Label-free plasmonic nanostar probes to illuminate in vitro membrane receptor recognition. Chem Sci 2019; 10:1807-1815. [PMID: 30842849 PMCID: PMC6369441 DOI: 10.1039/c8sc05035j] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 11/30/2018] [Indexed: 01/24/2023] Open
Abstract
Protein-ligand recognition is a key activity where chemical signals are communicated to cells to activate various biochemical pathways, which are important for understanding membrane signaling and drug interactions. Gold nanostars are highly attractive for biological applications due to their readily modified surface chemistry, facile synthesis and optical properties. The increase in electromagnetic field at their branches increases the surface enhanced Raman scattering (SERS) making them ideal candidates as label free in vitro probes that can be used to detect a variety of cellular activities. However, the use of particles in vitro is complicated by the adsorption of proteins, which forms the protein corona. In this paper we demonstrate gold nanostars as label free in vitro probes to study the interaction between αvβ3 integrin and RGD. Nanostars functionalized with cyclic-RDGFC reduced the formation of the protein corona, due to its zwitterionic nature, indicating a small peptide approach to minimizing protein absorption. Additionally, the functionalized nanostars evince a SERS response from their interaction with αvβ3 integrin representative of the amino acids present at the binding site which is also retained in a complex biological matrix. The nanostars were used in vitro to selectively detect αvβ3 integrin on the membrane of human metastatic colon cancer cells. By exploiting the intense SERS and tunable plasmon resonance properties of gold nanostars functionalized with cyclic RGDFC, we have demonstrated a label free approach to investigate the chemical interactions associated with protein-ligand binding from both purified proteins and membrane bound receptors in cells.
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Affiliation(s)
- Sian Sloan-Dennison
- Department of Chemistry and Biochemistry , The Ohio State University , Columbus , OH 43210 , USA .
| | - Zachary D Schultz
- Department of Chemistry and Biochemistry , The Ohio State University , Columbus , OH 43210 , USA .
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Song C, Sun W, Xiao Y, Shi X. Ultrasmall iron oxide nanoparticles: synthesis, surface modification, assembly, and biomedical applications. Drug Discov Today 2019; 24:835-844. [PMID: 30639557 DOI: 10.1016/j.drudis.2019.01.001] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 12/05/2018] [Accepted: 01/07/2019] [Indexed: 12/18/2022]
Abstract
Ultrasmall iron oxide nanoparticles (USIO NPs) with a size <5nm are a class of emerging nanomaterials. As a result of their intrinsic drawbacks related to poor colloidal stability, low r1 relaxivity, and lack of functionality, various strategies have been adopted to synthesize USIO NPs with controllable sizes, to surface modify the particles with polymers, and to assemble them in combination with other nanoscale platforms. Here, we review recent progresses in the synthesis, surface modification, and self-assembly of USIO NPs to address key issues in their biomedical application in the field of cancer diagnosis and therapy, in particular magnetic resonance (MR) imaging, dual-modal or multimodal imaging, drug delivery, and theranostics.
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Affiliation(s)
- Cong Song
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People's Republic of China
| | - Wenjie Sun
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People's Republic of China
| | - Yunchao Xiao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People's Republic of China
| | - Xiangyang Shi
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People's Republic of China.
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Nsubuga A, Zarschler K, Sgarzi M, Graham B, Stephan H, Joshi T. Towards Utilising Photocrosslinking of Polydiacetylenes for the Preparation of “Stealth” Upconverting Nanoparticles. Angew Chem Int Ed Engl 2018; 57:16036-16040. [DOI: 10.1002/anie.201811003] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Indexed: 11/09/2022]
Affiliation(s)
- Anne Nsubuga
- Institute of Radiopharmaceutical Cancer ResearchHelmholtz-Zentrum Dresden-Rossendorf Bautzner Landstraße 400 01328 Dresden Germany
| | - Kristof Zarschler
- Institute of Radiopharmaceutical Cancer ResearchHelmholtz-Zentrum Dresden-Rossendorf Bautzner Landstraße 400 01328 Dresden Germany
| | - Massimo Sgarzi
- Institute of Radiopharmaceutical Cancer ResearchHelmholtz-Zentrum Dresden-Rossendorf Bautzner Landstraße 400 01328 Dresden Germany
| | - Bim Graham
- Monash Institute of Pharmaceutical SciencesMonash University Parkville VIC 3052 Australia
| | - Holger Stephan
- Institute of Radiopharmaceutical Cancer ResearchHelmholtz-Zentrum Dresden-Rossendorf Bautzner Landstraße 400 01328 Dresden Germany
| | - Tanmaya Joshi
- Institute of Radiopharmaceutical Cancer ResearchHelmholtz-Zentrum Dresden-Rossendorf Bautzner Landstraße 400 01328 Dresden Germany
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Towards Utilising Photocrosslinking of Polydiacetylenes for the Preparation of “Stealth” Upconverting Nanoparticles. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201811003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Joshi T, Kubeil M, Nsubuga A, Singh G, Gasser G, Stephan H. Harnessing the Coordination Chemistry of 1,4,7-Triazacyclononane for Biomimicry and Radiopharmaceutical Applications. Chempluschem 2018; 83:554-564. [DOI: 10.1002/cplu.201800103] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Indexed: 12/16/2022]
Affiliation(s)
- Tanmaya Joshi
- Institute of Radiopharmaceutical Cancer Research; Helmholtz-Zentrum Dresden-Rossendorf; Bautzner Landstrasse 400 01328 Dresden Germany
| | - Manja Kubeil
- Institute of Radiopharmaceutical Cancer Research; Helmholtz-Zentrum Dresden-Rossendorf; Bautzner Landstrasse 400 01328 Dresden Germany
| | - Anne Nsubuga
- Institute of Radiopharmaceutical Cancer Research; Helmholtz-Zentrum Dresden-Rossendorf; Bautzner Landstrasse 400 01328 Dresden Germany
| | - Garima Singh
- Institute of Radiopharmaceutical Cancer Research; Helmholtz-Zentrum Dresden-Rossendorf; Bautzner Landstrasse 400 01328 Dresden Germany
| | - Gilles Gasser
- Chimie ParisTech; PSL University; Laboratory for Inorganic Chemical Biology; 75005 Paris France
| | - Holger Stephan
- Institute of Radiopharmaceutical Cancer Research; Helmholtz-Zentrum Dresden-Rossendorf; Bautzner Landstrasse 400 01328 Dresden Germany
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Nsubuga A, Sgarzi M, Zarschler K, Kubeil M, Hübner R, Steudtner R, Graham B, Joshi T, Stephan H. Facile preparation of multifunctionalisable ‘stealth’ upconverting nanoparticles for biomedical applications. Dalton Trans 2018; 47:8595-8604. [DOI: 10.1039/c8dt00241j] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Hide and Seek. Alendronate-modified upconverting nanoparticles display high colloidal stability, protein corona resistance, bright upconversion luminescence (800 nm excitation), and contain multifunctionalisation sites.
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Affiliation(s)
- Anne Nsubuga
- Institute of Radiopharmaceutical Cancer Research
- Helmholtz-Zentrum Dresden–Rossendorf
- 01328 Dresden
- Germany
| | - Massimo Sgarzi
- Institute of Radiopharmaceutical Cancer Research
- Helmholtz-Zentrum Dresden–Rossendorf
- 01328 Dresden
- Germany
| | - Kristof Zarschler
- Institute of Radiopharmaceutical Cancer Research
- Helmholtz-Zentrum Dresden–Rossendorf
- 01328 Dresden
- Germany
| | - Manja Kubeil
- Institute of Radiopharmaceutical Cancer Research
- Helmholtz-Zentrum Dresden–Rossendorf
- 01328 Dresden
- Germany
| | - René Hübner
- Institute of Ion Beam Physics and Materials Research
- Helmholtz-Zentrum Dresden–Rossendorf
- 01328 Dresden
- Germany
| | - Robin Steudtner
- Institute of Resource Ecology
- Helmholtz-Zentrum Dresden–Rossendorf
- 01328 Dresden
- Germany
| | - Bim Graham
- Monash Institute of Pharmaceutical Sciences
- Monash University
- Parkville
- Australia
| | - Tanmaya Joshi
- Institute of Radiopharmaceutical Cancer Research
- Helmholtz-Zentrum Dresden–Rossendorf
- 01328 Dresden
- Germany
| | - Holger Stephan
- Institute of Radiopharmaceutical Cancer Research
- Helmholtz-Zentrum Dresden–Rossendorf
- 01328 Dresden
- Germany
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Pernia Leal M, Caro C, García-Martín ML. Shedding light on zwitterionic magnetic nanoparticles: limitations for in vivo applications. NANOSCALE 2017; 9:8176-8184. [PMID: 28581000 DOI: 10.1039/c7nr01607g] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Over the last few years several studies have dealt with the importance of the surface charge of nanoparticles in prolonging their blood circulation and minimizing their interaction with plasma proteins. These investigations claimed that zwitterionic nanoparticles exhibited a minimal macrophage response and long blood circulation times compared to nanoparticles with other surface charges. These differences in their in vivo behavior are mainly attributed to the interaction of nanoparticles with plasma proteins. Interestingly, most of these studies considered the total surface charge, instead of the outermost layer of the nanomaterial, as being mainly responsible for these undesirable interactions. However, the first contact with plasma proteins is most likely due to the outermost layer on the nanomaterials. Therefore, here we report a detailed study on the effect of the outermost surface charge of magnetic nanoparticles with regard to biodistribution, pharmacokinetics and bioavailability. Magnetic nanoparticles, coated with PEG chains functionalized with neutral, positive or zwitterionic groups, were intravenously injected into mice, followed in vivo by MRI and then quantified by ICP-MS in blood and the main organs. We found that neutral nanoparticles exhibited long blood circulation times, very good stealth properties and the highest bioavailability, whereas zwitterionic nanoparticles were readily recognized by the mononuclear phagocyte system and avidly taken up by the liver. Also, zwitterionic nanoparticles showed high non-specific cell internalization, whereas neutral nanoparticles showed the lowest cellular uptake, indicating that they require active transport to cross the plasma membrane, which is the desirable situation for therapeutic vehicles with low side effects. Thus, neutral nanoparticles exhibit very favorable characteristics for in vivo applications, whereas zwitterionic nanoparticles show important limitations.
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Affiliation(s)
- Manuel Pernia Leal
- BIONAND, Andalusian Centre for Nanomedicine and Biotechnology, Universidad de Málaga, 29590 Málaga, Spain.
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