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Mali A, Verbeelen M, White PB, Staal AHJ, van Riessen NK, Cadiou C, Chuburu F, Koshkina O, Srinivas M. The internal structure of gadolinium and perfluorocarbon-loaded polymer nanoparticles affects 19F MRI relaxation times. NANOSCALE 2023; 15:18068-18079. [PMID: 37916411 DOI: 10.1039/d3nr04577c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
19F magnetic resonance imaging (19F MRI) is an emerging technique for quantitative imaging in novel therapies, such as cellular therapies and theranostic nanocarriers. Nanocarriers loaded with liquid perfluorocarbon (PFC) typically have a (single) core-shell structure with PFC in the core due to the poor miscibility of PFC with organic and inorganic solvents. Paramagnetic relaxation enhancement acts only at a distance of a few angstroms. Thus, efficient modulation of the 19F signal is possible only with fluorophilic PFC-soluble chelates. However, these chelates cannot interact with the surrounding environment and they might result in image artifacts. Conversely, chelates bound to the nanoparticle shell typically have a minimal effect on the 19F signal and a strong impact on the aqueous environment. We show that the confinement of PFC in biodegradable polymeric nanoparticles (NPs) with a multicore structure enables the modulation of longitudinal (T1) and transverse (T2) 19F relaxation, as well as proton (1H) signals, using non-fluorophilic paramagnetic chelates. We compared multicore NPs versus a conventional single core structure, where the PFC is encapsulated in the core(s) and the chelate in the surrounding polymeric matrix. This modulated relaxation also makes multicore NPs sensitive to various acidic pH environments, while preserving their stability. This effect was not observed with single core nanocapsules (NCs). Importantly, paramagnetic chelates affected both T1 and T219F relaxation in multicore NPs, but not in single core NCs. Both relaxation times of the 19F nucleus were enhanced with an increasing concentration of the paramagnetic chelate. Moreover, as the polymeric matrix remained water permeable, proton enhancement additionally was observed in MRI.
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Affiliation(s)
- Alvja Mali
- Department of Cell Biology and Immunology, Wageningen University and Research, Wageningen, The Netherlands.
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Margot Verbeelen
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Paul B White
- Institute for Molecules and Materials, Radboud University, Nijmegen, The Netherlands
| | - Alexander H J Staal
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - N Koen van Riessen
- Department of Cell Biology and Immunology, Wageningen University and Research, Wageningen, The Netherlands.
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Cyril Cadiou
- Université de Reims Champagne Ardenne, CNRS, ICMR UMR 7312, Reims, France
| | - Françoise Chuburu
- Université de Reims Champagne Ardenne, CNRS, ICMR UMR 7312, Reims, France
| | - Olga Koshkina
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
- Sustainable Polymer Chemistry Group, Department of Molecules and Materials, Mesa+ Institute for Nanotechnology, University of Twente, Enschede, The Netherlands
| | - Mangala Srinivas
- Department of Cell Biology and Immunology, Wageningen University and Research, Wageningen, The Netherlands.
- Cenya Imaging B.V., Amsterdam, The Netherlands
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2
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Konishi Y, Minoshima M, Fujihara K, Uchihashi T, Kikuchi K. Elastic Polymer Coated Nanoparticles with Fast Clearance for 19 F MR Imaging. Angew Chem Int Ed Engl 2023; 62:e202308565. [PMID: 37592736 DOI: 10.1002/anie.202308565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 07/26/2023] [Accepted: 08/16/2023] [Indexed: 08/19/2023]
Abstract
19 F magnetic resonance imaging (MRI) is a powerful molecular imaging technique that enables high-resolution imaging of deep tissues without background signal interference. However, the use of nanoparticles (NPs) as 19 F MRI probes has been limited by the immediate trapping and accumulation of stiff NPs, typically of around 100 nm in size, in the mononuclear phagocyte system, particularly in the liver. To address this issue, elastic nanomaterials have emerged as promising candidates for improving delivery efficacy in vivo. Nevertheless, the impact of elasticity on NP elimination has remained unclear due to the lack of suitable probes for real-time and long-term monitoring. In this study, we present the development of perfluorocarbon-encapsulated polymer NPs as a novel 19 F MRI contrast agent, with the aim of suppressing long-term accumulation. The polymer NPs have high elasticity and exhibit robust sensitivity in 19 F MRI imaging. Importantly, our 19 F MRI data demonstrate a gradual decline in the signal intensity of the polymer NPs after administration, which contrasts starkly with the behavior observed for stiff silica NPs. This innovative polymer-coated NP system represents a groundbreaking nanomaterial that successfully overcomes the challenges associated with long-term accumulation, while enabling tracking of biodistribution over extended periods.
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Affiliation(s)
- Yuki Konishi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, 5650871, Suita, Osaka, Japan
| | - Masafumi Minoshima
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, 5650871, Suita, Osaka, Japan
- JST, PRESTO, 2-1, Yamadaoka, 5650871, Suita, Osaka, Japan
| | - Kohei Fujihara
- Department of Physics, Graduate School of Science, Nagoya University, Nagoya, Furocho, Chikusa, 4648602, Nagoya, Japan
| | - Takayuki Uchihashi
- Department of Physics, Graduate School of Science, Nagoya University, Nagoya, Furocho, Chikusa, 4648602, Nagoya, Japan
- Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Higashiyama 5-1, Myodaiji, 4440864, Okazaki, Japan
| | - Kazuya Kikuchi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, 5650871, Suita, Osaka, Japan
- Immunology Frontier Research Center (IFReC), Osaka University, 2-1, Yamadaoka, 5650871, Suita, Osaka, Japan
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Mo Y, Huang C, Liu C, Duan Z, Liu J, Wu D. Recent Research Progress of 19 F Magnetic Resonance Imaging Probes: Principle, Design, and Their Application. Macromol Rapid Commun 2023; 44:e2200744. [PMID: 36512446 DOI: 10.1002/marc.202200744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 11/28/2022] [Indexed: 12/15/2022]
Abstract
Visualization of biomolecules, cells, and tissues, as well as metabolic processes in vivo is significant for studying the associated biological activities. Fluorine magnetic resonance imaging (19 F MRI) holds potential among various imaging technologies thanks to its negligible background signal and deep tissue penetration in vivo. To achieve detection on the targets with high resolution and accuracy, requirements of high-performance 19 F MRI probes are demanding. An ideal 19 F MRI probe is thought to have, first, fluorine tags with magnetically equivalent 19 F nuclei, second, high fluorine content, third, adequate fluorine nuclei mobility, as well as excellent water solubility or dispersity, but not limited to. This review summarizes the research progresses of 19 F MRI probes and mainly discusses the impacts of structures on in vitro and in vivo imaging performances. Additionally, the applications of 19 F MRI probes in ions sensing, molecular structures analysis, cells tracking, and in vivo diagnosis of disease lesions are also covered in this article. From authors' perspectives, this review is able to provide inspirations for relevant researchers on designing and synthesizing advanced 19 F MRI probes.
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Affiliation(s)
- Yongyi Mo
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Gongchang Road 66, Guangming, Shenzhen, Guangdong, 518107, China
| | - Chixiang Huang
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Gongchang Road 66, Guangming, Shenzhen, Guangdong, 518107, China
| | - Changjiang Liu
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Gongchang Road 66, Guangming, Shenzhen, Guangdong, 518107, China
| | - Ziwei Duan
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Gongchang Road 66, Guangming, Shenzhen, Guangdong, 518107, China
| | - Juan Liu
- School of Pharmaceutical Sciences, Shenzhen Campus of Sun Yat-sen University, Gongchang Road 66, Guangming, Shenzhen, Guangdong, 518107, China
| | - Dalin Wu
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Gongchang Road 66, Guangming, Shenzhen, Guangdong, 518107, China
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Meng Q, Wu M, Shang Z, Zhang Z, Zhang R. Responsive gadolinium(III) complex-based small molecule magnetic resonance imaging probes: Design, mechanism and application. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214398] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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5
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Li Y, Cui J, Li C, Zhou H, Chang J, Aras O, An F. 19 F MRI Nanotheranostics for Cancer Management: Progress and Prospects. ChemMedChem 2022; 17:e202100701. [PMID: 34951121 PMCID: PMC9432482 DOI: 10.1002/cmdc.202100701] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 12/23/2021] [Indexed: 12/24/2022]
Abstract
Fluorine magnetic resonance imaging (19 F MRI) is a promising imaging technique for cancer diagnosis because of its excellent soft tissue resolution and deep tissue penetration, as well as the inherent high natural abundance, almost no endogenous interference, quantitative analysis, and wide chemical shift range of the 19 F nucleus. In recent years, scientists have synthesized various 19 F MRI contrast agents. By further integrating a wide variety of nanomaterials and cutting-edge construction strategies, magnetically equivalent 19 F atoms are super-loaded and maintain satisfactory relaxation efficiency to obtain high-intensity 19 F MRI signals. In this review, the nuclear magnetic resonance principle underlying 19 F MRI is first described. Then, the construction and performance of various fluorinated contrast agents are summarized. Finally, challenges and future prospects regarding the clinical translation of 19 F MRI nanoprobes are considered. This review will provide strategic guidance and panoramic expectations for designing new cancer theranostic regimens and realizing their clinical translation.
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Affiliation(s)
- Yanan Li
- College of Medical Imaging, Shanxi Medical University, Taiyuan 030001, Shanxi, People’s Republic of China
| | - Jing Cui
- College of Medical Imaging, Shanxi Medical University, Taiyuan 030001, Shanxi, People’s Republic of China
| | - Chenlong Li
- College of Medical Imaging, Shanxi Medical University, Taiyuan 030001, Shanxi, People’s Republic of China
| | - Huimin Zhou
- College of Basic Medicine, Shanxi Medical University, Taiyuan 030001, Shanxi, People’s Republic of China
| | - Jun Chang
- College of Basic Medicine, Shanxi Medical University, Taiyuan 030001, Shanxi, People’s Republic of China
| | - Omer Aras
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
| | - Feifei An
- School of Public Health, Health Science Center, Xi’an Jiaotong University, No.76 Yanta West Road, Xi’an 710061, Shaanxi, People’s Republic of China
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Nanotechnology as a Versatile Tool for 19F-MRI Agent’s Formulation: A Glimpse into the Use of Perfluorinated and Fluorinated Compounds in Nanoparticles. Pharmaceutics 2022; 14:pharmaceutics14020382. [PMID: 35214114 PMCID: PMC8874484 DOI: 10.3390/pharmaceutics14020382] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/28/2022] [Accepted: 02/02/2022] [Indexed: 02/04/2023] Open
Abstract
Simultaneously being a non-radiative and non-invasive technique makes magnetic resonance imaging (MRI) one of the highly sought imaging techniques for the early diagnosis and treatment of diseases. Despite more than four decades of research on finding a suitable imaging agent from fluorine for clinical applications, it still lingers as a challenge to get the regulatory approval compared to its hydrogen counterpart. The pertinent hurdle is the simultaneous intrinsic hydrophobicity and lipophobicity of fluorine and its derivatives that make them insoluble in any liquids, strongly limiting their application in areas such as targeted delivery. A blossoming technique to circumvent the unfavorable physicochemical characteristics of perfluorocarbon compounds (PFCs) and guarantee a high local concentration of fluorine in the desired body part is to encapsulate them in nanosystems. In this review, we will be emphasizing different types of nanocarrier systems studied to encapsulate various PFCs and fluorinated compounds, headway to be applied as a contrast agent (CA) in fluorine-19 MRI (19F MRI). We would also scrutinize, especially from studies over the last decade, the different types of PFCs and their specific applications and limitations concerning the nanoparticle (NP) system used to encapsulate them. A critical evaluation for future opportunities would be speculated.
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Abstract
Magnetic resonance imaging (MRI) is one of the most powerful imaging tools today, capable of displaying superior soft-tissue contrast. This review discusses developments in the field of 19 F MRI multimodal probes in combination with optical fluorescence imaging (OFI), 1 H MRI, chemical exchange saturation transfer (CEST) MRI, ultrasonography (USG), X-ray computed tomography (CT), single photon emission tomography (SPECT), positron emission tomography (PET), and photoacoustic imaging (PAI). In each case, multimodal 19 F MRI probes compensate for the deficiency of individual techniques and offer improved sensitivity or accuracy of detection over unimodal counterparts. Strategies for designing 19 F MRI multimodal probes are described with respect to their structure, physicochemical properties, biocompatibility, and the quality of images.
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Affiliation(s)
- Dawid Janasik
- Department of Chemical Organic Technology and Petrochemistry, Silesian University of Technology, Krzywoustego, 4, 44-100, Gliwice, Poland
| | - Tomasz Krawczyk
- Department of Chemical Organic Technology and Petrochemistry, Silesian University of Technology, Krzywoustego, 4, 44-100, Gliwice, Poland
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Bonnet CS, Tóth É. Metal-based environment-sensitive MRI contrast agents. Curr Opin Chem Biol 2021; 61:154-169. [PMID: 33706246 DOI: 10.1016/j.cbpa.2021.01.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 01/07/2021] [Accepted: 01/31/2021] [Indexed: 12/30/2022]
Abstract
Interactions of paramagnetic metal complexes with their biological environment can modulate their magnetic resonance imaging (MRI) contrast-enhancing properties in different ways, and this has been widely exploited to create responsive probes that can provide biochemical information. We survey progress in two rapidly growing areas: the MRI detection of biologically important metal ions, such as calcium, zinc, and copper, and the use of transition metal complexes as smart MRI agents. In both fields, new imaging technologies, which take advantage of other nuclei (19F) and/or paramagnetic contact shift effects, emerge beyond classical, relaxation-based applications. Most importantly, in vivo imaging is gaining ground, and the promise of molecular MRI is becoming reality, at least for preclinical research.
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Affiliation(s)
- Célia S Bonnet
- Centre de Biophysique Moléculaire, CNRS UPR 4301, Rue Charles Sadron, Orléans, 45071, France
| | - Éva Tóth
- Centre de Biophysique Moléculaire, CNRS UPR 4301, Rue Charles Sadron, Orléans, 45071, France.
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Malikidogo KP, Martin H, Bonnet CS. From Zn(II) to Cu(II) Detection by MRI Using Metal-Based Probes: Current Progress and Challenges. Pharmaceuticals (Basel) 2020; 13:E436. [PMID: 33266014 PMCID: PMC7760112 DOI: 10.3390/ph13120436] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 11/24/2020] [Accepted: 11/27/2020] [Indexed: 01/02/2023] Open
Abstract
Zinc and copper are essential cations involved in numerous biological processes, and variations in their concentrations can cause diseases such as neurodegenerative diseases, diabetes and cancers. Hence, detection and quantification of these cations are of utmost importance for the early diagnosis of disease. Magnetic resonance imaging (MRI) responsive contrast agents (mainly Lanthanide(+III) complexes), relying on a change in the state of the MRI active part upon interaction with the cation of interest, e.g., switch ON/OFF or vice versa, have been successfully utilized to detect Zn2+ and are now being developed to detect Cu2+. These paramagnetic probes mainly exploit the relaxation-based properties (T1-based contrast agents), but also the paramagnetic induced hyperfine shift properties (paraCEST and parashift probes) of the contrast agents. The challenges encountered going from Zn2+ to Cu2+ detection will be stressed and discussed herein, mainly involving the selectivity of the probes for the cation to detect and their responsivity at physiologically relevant concentrations. Depending on the response mechanism, the use of fast-field cycling MRI seems promising to increase the detection field while keeping a good response. In vivo applications of cation responsive MRI probes are only in their infancy and the recent developments will be described, along with the associated quantification problems. In the case of relaxation agents, the presence of another method of local quantification, e.g., synchrotron X-Ray fluorescence, single-photon emission computed tomography (SPECT) or positron emission tomography (PET) techniques, or 19F MRI is required, each of which has its own advantages and disadvantages.
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Affiliation(s)
| | | | - Célia S. Bonnet
- Centre de Biophysique Moléculaire, Université d’Orléans, Rue Charles Sadron, F-45071 Orléans 2, France; (K.P.M.); (H.M.)
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