1
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Yan J, Lu Z, Xu M, Liu J, Zhang Y, Yin J, Pei R, Cao Y. Naturally biocompatible melanin based iron-complex nanoparticles for pH-responsive magnetic resonance imaging. Biomed Mater 2024; 19:045013. [PMID: 38729172 DOI: 10.1088/1748-605x/ad49f5] [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: 12/06/2023] [Accepted: 05/10/2024] [Indexed: 05/12/2024]
Abstract
The sensitivity and diagnostic accuracy of magnetic resonance imaging mainly depend on the relaxation capacity of contrast agents (CAs) and their accumulated amount at the pathological region. Due to the better biocompatibility and high-spin capacity, Fe-complexes have been studied widely as an alternative to replace popular Gd-based CAs associated with potential biotoxicity. Compared with a variety of Fe complex-based CAs, such as small molecular, macrocyclic, multinuclear complexes, the form of nanoparticle exhibits outstanding longitudinal relaxation, but the clinical transformation was still limited by the inconspicuous difference of contrast between tumor and normal tissue. The enhanced effect of contrast is a positive relation as relaxation of CAs and their concentration in desired region. To specifically improve the amount of CAs accumulated in the tumor, pH-responsive polymer poly(2-ethyl-2-oxazoline) (PEOz) was modified on melanin, a ubiquitous natural pigment providing much active sites for chelating with Fe(III). The Fe(III)-Mel-PEOz we prepared could raise the tumor cell endocytosis efficiency via switching surface charge from anion to cation with the stimuli of the decreasing pH of tumor microenvironment. The change of pH has negligible effect on ther1of Fe(III)-Mel-PEOz, which is always maintained at around 1.0 mM-1s-1at 0.5 T. Moreover, Fe(III)-Mel-PEOz exhibited low cytotoxicity, and satisfactory enhancement of positive contrast effectin vivo. The excellent biocompatibility and stable relaxation demonstrate the high potential of Fe(III)-Mel-PEOz in the diagnosis of tumor.
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Affiliation(s)
- Jincong Yan
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, People's Republic of China
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, People's Republic of China
- Department of Polymer Materials, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, People's Republic of China
| | - Zhongzhong Lu
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, People's Republic of China
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, People's Republic of China
| | - Mingsheng Xu
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, People's Republic of China
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, People's Republic of China
| | - Jihuan Liu
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, People's Republic of China
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, People's Republic of China
| | - Ye Zhang
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, People's Republic of China
| | - Jingbo Yin
- Department of Polymer Materials, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, People's Republic of China
| | - Renjun Pei
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, People's Republic of China
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, People's Republic of China
| | - Yi Cao
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, People's Republic of China
- Jiangxi Institute of Nanotechnology, Nanchang 330200, People's Republic of China
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2
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Yen TYC, Abbasi AZ, He C, Lip HY, Park E, Amini MA, Adissu HA, Foltz W, Rauth AM, Henderson J, Wu XY. Biocompatible and bioactivable terpolymer-lipid-MnO 2 Nanoparticle-based MRI contrast agent for improving tumor detection and delineation. Mater Today Bio 2024; 25:100954. [PMID: 38304342 PMCID: PMC10832465 DOI: 10.1016/j.mtbio.2024.100954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 12/22/2023] [Accepted: 01/13/2024] [Indexed: 02/03/2024] Open
Abstract
Early and precise detection of solid tumor cancers is critical for improving therapeutic outcomes. In this regard, magnetic resonance imaging (MRI) has become a useful tool for tumor diagnosis and image-guided therapy. However, its effectiveness is limited by the shortcomings of clinically available gadolinium-based contrast agents (GBCAs), i.e. poor tumor penetration and retention, and safety concerns. Thus, we have developed a novel nanoparticulate contrast agent using a biocompatible terpolymer and lipids to encapsulate manganese dioxide nanoparticles (TPL-MDNP). The TPL-MDNP accumulated in tumor tissue and produced paramagnetic Mn2+ ions, enhancing T1-weight MRI contrast via the reaction with H2O2 rich in the acidic tumor microenvironment. Compared to the clinically used GBCA, Gadovist®1.0, TPL-MDNP generated stronger T1-weighted MR signals by over 2.0-fold at 30 % less of the recommended clinical dose with well-defined tumor delineation in preclinical orthotopic tumor models of brain, breast, prostate, and pancreas. Importantly, the MRI signals were retained for 60 min by TPL-MDNP, much longer than Gadovist®1.0. Biocompatibility of TPL-MDNP was evaluated and found to be safe up to 4-fold of the dose used for MRI. A robust large-scale manufacturing process was developed with batch-to-batch consistency. A lyophilization formulation was designed to maintain the nanostructure and storage stability of the new contrast agent.
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Affiliation(s)
- Tin-Yo C. Yen
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, Canada
| | - Azhar Z. Abbasi
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, Canada
| | - Chungsheng He
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, Canada
| | - Ho-Yin Lip
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, Canada
| | - Elliya Park
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, Canada
| | - Mohammad A. Amini
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, Canada
| | | | - Warren Foltz
- STTARR Innovation Centre, Department of Radiation Oncology, Princess Margaret Hospital, Toronto, Ontario, M5G 2M9, Canada
| | - Andrew M. Rauth
- Departments of Medical Biophysics and Radiation Oncology, University of Toronto, Toronto, Ontario, Canada
- Princess Margaret Cancer Center, University Health Network, Toronto, Ontario, Canada
| | - Jeffrey Henderson
- Departments of Medical Biophysics and Radiation Oncology, University of Toronto, Toronto, Ontario, Canada
| | - Xiao Yu Wu
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, Canada
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3
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Alhamami M, Daye D. Editorial for "In Vivo MRI Tracking of Polyurethane Hydrogel Degradation In Situ Using a Manganese Porphyrin Contrast Agent". J Magn Reson Imaging 2023; 58:1151-1152. [PMID: 36946990 DOI: 10.1002/jmri.28686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 03/07/2023] [Indexed: 03/23/2023] Open
Affiliation(s)
- Mosa Alhamami
- Department of Medical Physics & Radiation Safety, Hartford HealthCare, Hartford, Connecticut, USA
- Department of Radiology, Hartford Hospital, Hartford, Connecticut, USA
| | - Dania Daye
- Department of Radiology, Massachusetts General Hospital & Harvard Medical School, Boston, Massachusetts, USA
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4
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Vollett KDW, Szulc DA, Cheng HLM. A Manganese Porphyrin Platform for the Design and Synthesis of Molecular and Targeted MRI Contrast Agents. Int J Mol Sci 2023; 24:ijms24119532. [PMID: 37298480 DOI: 10.3390/ijms24119532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/24/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023] Open
Abstract
Magnetic resonance imaging (MRI) contrast agents, in contrast to the plethora of fluorescent agents available to target disease biomarkers or exogenous implants, have remained predominantly non-specific. That is, they do not preferentially accumulate in specific locations in vivo because doing so necessitates longer contrast retention, which is contraindicated for current gadolinium (Gd) agents. This double-edge sword implies that Gd agents can offer either rapid elimination (but lack specificity) or targeted accumulation (but with toxicity risks). For this reason, MRI contrast agent innovation has been severely constrained. Gd-free alternatives based on manganese (Mn) chelates have been largely ineffective, as they are inherently unstable. In this study, we present a Mn(III) porphyrin (MnP) platform for bioconjugation, offering the highest stability and chemical versatility compared to any other T1 contrast agent. We exploit the inherent metal stability conferred by porphyrins and the absence of pendant bases (found in Gd or Mn chelates) that limit versatile functionalization. As proof-of-principle, we demonstrate labeling of human serum albumin, a model protein, and collagen hydrogels for applications in in-vivo targeted imaging and material tracking, respectively. In-vitro and in-vivo results confirm unprecedented metal stability, ease of functionalization, and high T1 relaxivity. This new platform opens the door to ex-vivo validation by fluorescent imaging and multipurpose molecular imaging in vivo.
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Affiliation(s)
- Kyle D W Vollett
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
- Translational Biology & Engineering Program, Ted Rogers Centre for Heart Research, Toronto, ON M5G 1M1, Canada
| | - Daniel A Szulc
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
- Translational Biology & Engineering Program, Ted Rogers Centre for Heart Research, Toronto, ON M5G 1M1, Canada
| | - Hai-Ling Margaret Cheng
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
- Translational Biology & Engineering Program, Ted Rogers Centre for Heart Research, Toronto, ON M5G 1M1, Canada
- The Edward S. Rogers Sr. Department of Electrical & Computer Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada
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5
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Cheng HLM. A primer on in vivo cell tracking using MRI. Front Med (Lausanne) 2023; 10:1193459. [PMID: 37324153 PMCID: PMC10264782 DOI: 10.3389/fmed.2023.1193459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 05/12/2023] [Indexed: 06/17/2023] Open
Abstract
Cell tracking by in vivo magnetic resonance imaging (MRI) offers a collection of multiple advantages over other imaging modalities, including high spatial resolution, unlimited depth penetration, 3D visualization, lack of ionizing radiation, and the potential for long-term cell monitoring. Three decades of innovation in both contrast agent chemistry and imaging physics have built an expansive array of probes and methods to track cells non-invasively across a diverse range of applications. In this review, we describe both established and emerging MRI cell tracking approaches and the variety of mechanisms available for contrast generation. Emphasis is given to the advantages, practical limitations, and persistent challenges of each approach, incorporating quantitative comparisons where possible. Toward the end of this review, we take a deeper dive into three key application areas - tracking cancer metastasis, immunotherapy for cancer, and stem cell regeneration - and discuss the cell tracking techniques most suitable to each.
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Affiliation(s)
- Hai-Ling Margaret Cheng
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada
- The Edward S. Rogers Sr. Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON, Canada
- Ted Rogers Centre for Heart Research, Translational Biology & Engineering Program, Toronto, ON, Canada
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6
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Frant MP, Trytek M, Deryło K, Kutyła M, Paduch R. Cellular Localization of Selected Porphyrins and Their Effect on the In Vitro Motility of Human Colon Tumors and Normal Cells. Molecules 2023; 28:molecules28072907. [PMID: 37049670 PMCID: PMC10096141 DOI: 10.3390/molecules28072907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/13/2023] [Accepted: 03/22/2023] [Indexed: 04/14/2023] Open
Abstract
Standard therapies for colorectal cancer cannot eliminate or sufficiently reduce the metastasis process. Photodynamic therapy (PDT) may be an alternative to minimizing this problem. Here, we examined the cellular localization of selected porphyrins and determined whether free-base and manganese (III) metallated porphyrins may limit colon cancer cells' (HT29) or normal colon epithelial cells' (CCD 841 CoTr) motility in vitro. White light irradiation was used to initiate the photodynamic effect. Porphyrin uptake by the cells was determined by porphyrin fluorescence measurements through the use of confocal microscopy. Free-base porphyrin was found in cells, where it initially localized at the edge of the cytoplasm and later in the perinuclear area. The concentrations of porphyrins had no effect on cancer cell migration but had a significant effect on normal cell motility. Due to the low concentrations of porphyrins used, no changes in F-actin filaments of the cellular cytoskeleton were detected. Signal transmission via connexons between neighbouring cells was limited to a maximum of 40 µm for HT29 and 30 µm for CCD 841 CoTr cells. The tested porphyrins differed in their activity against the tumor and normal cells' migration capacity. Depending on the porphyrin used and the type of cells, their migration changed in relation to the control sample. The use of white light may change the activity of the porphyrins relative to the migratory capacity of the cells. The aim of the present study was to analyse the intracellular localization of tested porphyrins and their influence on the mobility of cells after irradiation with harmless white light.
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Affiliation(s)
- Maciej P Frant
- Department of Swine Diseases, National Veterinary Research Institute, Al. Partyzantów 57, 24-100 Puławy, Poland
| | - Mariusz Trytek
- Department of Industrial and Environmental Microbiology, Institute of Biological Sciences, Maria Curie-Skłodowska University, 20-033 Lublin, Poland
| | - Kamil Deryło
- Department of Molecular Biology, Institute of Biological Sciences, Maria Curie-Skłodowska University, 20-033 Lublin, Poland
| | - Mateusz Kutyła
- Department of Industrial and Environmental Microbiology, Institute of Biological Sciences, Maria Curie-Skłodowska University, 20-033 Lublin, Poland
| | - Roman Paduch
- Department of Virology and Immunology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland
- Department of General and Pediatric Ophthalmology, Medical University of Lublin, Chmielna 1, 20-079 Lublin, Poland
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7
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Porphyrins as Chelating Agents for Molecular Imaging in Nuclear Medicine. Molecules 2022; 27:molecules27103311. [PMID: 35630788 PMCID: PMC9148099 DOI: 10.3390/molecules27103311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/18/2022] [Accepted: 05/19/2022] [Indexed: 12/04/2022] Open
Abstract
Porphyrin ligands, showing a significant affinity for cancer cells, also have the ability to chelate metallic radioisotopes to form potential diagnostic radiopharmaceuticals. They can be applied in single-photon emission computed tomography (SPECT) and positron emission tomography (PET) to evaluate metabolic changes in the human body for tumor diagnostics. The aim of this paper is to present a short overview of the main metallic radionuclides complexed by porphyrin ligands and used in these techniques. These chelation reactions are discussed in terms of the complexation conditions and kinetics and the complex stability.
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8
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Wang H, Wang S, Zhu X, Ding W, Shen T, Fan H, Zhang Y, Peng L, Yuan H, Liu X, Ling J, Sun J. Development of a Novel MR Colonography via Iron-Based Solid Lipid Nanoparticles. Int J Nanomedicine 2022; 17:821-836. [PMID: 35228799 PMCID: PMC8881925 DOI: 10.2147/ijn.s347498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 02/04/2022] [Indexed: 12/24/2022] Open
Affiliation(s)
- Huiyang Wang
- Department of Radiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, People’s Republic of China
| | - Siqi Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, People’s Republic of China
| | - Xisong Zhu
- Department of Radiology, Quzhou Central Hospital Affiliated to Zhejiang Chinese Medical University, Quzhou, 324002, People’s Republic of China
| | - Wenxiu Ding
- Department of Ultrasound Medicine, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310003, People’s Republic of China
| | - Tianlun Shen
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, People’s Republic of China
| | - Hongjie Fan
- Department of Radiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, People’s Republic of China
| | - Yanhua Zhang
- Department of Pathology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, People’s Republic of China
| | - Lijun Peng
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310030, People’s Republic of China
| | - Hong Yuan
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310030, People’s Republic of China
| | - Xiangrui Liu
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, People’s Republic of China
| | - Jun Ling
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, People’s Republic of China
- Jun Ling, MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, People’s Republic of China, Tel +13645717301, Fax +571-87953739, Email
| | - Jihong Sun
- Department of Radiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, People’s Republic of China
- Correspondence: Jihong Sun, Department of Radiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, People’s Republic of China, Tel +13857176538, Fax +571-86006762, Email
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9
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Geraldes CF, Castro MMC, Peters JA. Mn(III) porphyrins as potential MRI contrast agents for diagnosis and MRI-guided therapy. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214069] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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10
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Tran HP, Jiang Y, Nguyen PH, Kim JJ, Yang SG. Retinoic acid-conjugated chitosan/manganese porphyrin ionic-complex nanoparticles for improved T 1 contrast MR imaging of hepatic fibrosis. J Biomed Mater Res B Appl Biomater 2021; 110:382-391. [PMID: 34309195 DOI: 10.1002/jbm.b.34914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 05/21/2021] [Accepted: 06/27/2021] [Indexed: 11/09/2022]
Abstract
Noninvasive and precise diagnosis of hepatic fibrosis is very important for the preventive therapeutic regimen of hepatic cirrhosis and cancer. In this study, we fabricated T1 contrast Mn-porphyrin (MnTPPS4 )/retinoic acid-chitosan ionic-complex nanoparticles (MRC NPs). The functional properties of MRC NPs were evaluated via transmission electron microscopy (TEM) imaging, release study, cytotoxicity assay, hepatocyte-specific uptake assay, and magnetic resonance (MR) imaging study. TEM images confirmed the typical structure of an ionic-complex NPs with around 100-200 nm of diameter. MnTPPS4 is released from MRC NPs for up to 24 hr in controlled pattern which implies that more reliable and convenient hepatic MR imaging is possible using of MRC NPs in clinical practice. Hepatocytes uptake assay proved retinoic acid-specific targeting of MRC NPs. The same results were observed in animal pharmacokinetic studies. In vitro MR phantom study, MRC NPs showed an increased T1 relaxivity (r1 = 6.772 mM-1 s-1 ) in comparison with 3.242 mM-1 s-1 of MnTPPS4 . The result was confirmed again in vivo MR imaging studies. Taken together, MRC NPs displayed a potential for noninvasive diagnostic T1 MR imaging of hepatic fibrosis with improved target specificity and prolonged MR imaging time window.
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Affiliation(s)
- Hoa Phuong Tran
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon, South Korea.,Inha Institute of Aerospace Medicine, Inha University College of Medicine, Incheon, South Korea
| | - Yixin Jiang
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon, South Korea.,Inha Institute of Aerospace Medicine, Inha University College of Medicine, Incheon, South Korea
| | - Phuong Hong Nguyen
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon, South Korea.,Inha Institute of Aerospace Medicine, Inha University College of Medicine, Incheon, South Korea.,Institute of Research and Development, Duy Tan University, Da Nang, Vietnam
| | - Jung Joo Kim
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon, South Korea
| | - Su-Geun Yang
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon, South Korea.,Inha Institute of Aerospace Medicine, Inha University College of Medicine, Incheon, South Korea
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11
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Devreux M, Henoumont C, Dioury F, Boutry S, Vacher O, Elst LV, Port M, Muller RN, Sandre O, Laurent S. Mn 2+ Complexes with Pyclen-Based Derivatives as Contrast Agents for Magnetic Resonance Imaging: Synthesis and Relaxometry Characterization. Inorg Chem 2021; 60:3604-3619. [PMID: 33625836 DOI: 10.1021/acs.inorgchem.0c03120] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Magnetic resonance imaging (MRI) has a leading place in medicine as an imaging tool of high resolution for anatomical studies and diagnosis of diseases, in particular for soft tissues that cannot be accessible by other modalities. Many research works are thus focused on improving the images obtained with MRI. This technique has indeed poor sensitivity, which can be compensated by using a contrast agent (CA). Today, the clinically approved CAs on market are solely based on gadolinium complexes that may induce nephrogenic systemic fibrosis for patients with kidney failure, whereas more recent studies on healthy rats also showed Gd retention in the brain. Consequently, researchers try to elaborate other types of safer MRI CAs like manganese-based complexes. In this context, the synthesis of Mn2+ complexes of four 12-membered pyridine-containing macrocyclic ligands based on the pyclen core was accomplished and described herein. Then, the properties of these Mn(II) complexes were studied by two relaxometric methods, 17O NMR spectroscopy and 1H NMR dispersion profiles. The time of residence (τM) and the number of water molecules (q) present in the inner sphere of coordination were determined by these two experiments. The efficacy of the pyclen-based Mn(II) complexes as MRI CAs was evaluated by proton relaxometry at a magnetic field intensity of 1.41 T near those of most medical MRI scanners (1.5 T). Both the 17O NMR and the nuclear magnetic relaxation dispersion profiles indicated that the four hexadentate ligands prepared herein left one vacant coordination site to accommodate one water molecule, rapidly exchanging, in around 6 ns. Furthermore, it has been shown that the presence of an additional amide bond formed when the paramagnetic complex is conjugated to a molecule of interest does not alter the inner sphere of coordination of Mn, which remains monohydrated. These complexes exhibit r1 relaxivities, large enough to be used as clinical MRI CAs (1.7-3.4 mM-1·s-1, at 1.41 T and 37 °C).
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Affiliation(s)
- Marie Devreux
- General, Organic and Biomedical Chemistry, NMR and Molecular Imaging Laboratory, University of Mons, 7000 Mons, Belgium.,University of Bordeaux, CNRS, Bordeaux INP, ENSCBP, Laboratory of Organic Polymer Chemistry (LCPO), 33607 Pessac, France
| | - Céline Henoumont
- General, Organic and Biomedical Chemistry, NMR and Molecular Imaging Laboratory, University of Mons, 7000 Mons, Belgium
| | - Fabienne Dioury
- Conservatoire National des Arts et Métiers (CNAM), GBCM Laboratory, HESAM Université, EA 7528, 2 rue Conté, 75003 Paris,France
| | - Sébastien Boutry
- Center for Microscopy and Molecular Imaging (CMMI), 8 rue Adrienne Bolland, 6041 Charleroi, Belgium
| | - Olivier Vacher
- Conservatoire National des Arts et Métiers (CNAM), GBCM Laboratory, HESAM Université, EA 7528, 2 rue Conté, 75003 Paris,France
| | - Luce Vander Elst
- General, Organic and Biomedical Chemistry, NMR and Molecular Imaging Laboratory, University of Mons, 7000 Mons, Belgium
| | - Marc Port
- Conservatoire National des Arts et Métiers (CNAM), GBCM Laboratory, HESAM Université, EA 7528, 2 rue Conté, 75003 Paris,France
| | - Robert N Muller
- General, Organic and Biomedical Chemistry, NMR and Molecular Imaging Laboratory, University of Mons, 7000 Mons, Belgium.,Center for Microscopy and Molecular Imaging (CMMI), 8 rue Adrienne Bolland, 6041 Charleroi, Belgium
| | - Olivier Sandre
- University of Bordeaux, CNRS, Bordeaux INP, ENSCBP, Laboratory of Organic Polymer Chemistry (LCPO), 33607 Pessac, France
| | - Sophie Laurent
- General, Organic and Biomedical Chemistry, NMR and Molecular Imaging Laboratory, University of Mons, 7000 Mons, Belgium.,Center for Microscopy and Molecular Imaging (CMMI), 8 rue Adrienne Bolland, 6041 Charleroi, Belgium
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12
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Naz Z, Moin ST, Hofer TS. Hydration of Closely Related Manganese and Magnesium Porphyrins in Aqueous Solutions: Ab Initio Quantum Mechanical Charge Field Molecular Dynamics Simulation Study. J Phys Chem B 2019; 123:10769-10779. [PMID: 31738566 DOI: 10.1021/acs.jpcb.9b07639] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
To the best of our knowledge, the current study based on ab initio quantum mechanical charge field molecular dynamics (QMCF-MD) is the first to explore the difference in the hydration behavior between Mn(II)- and Mg(II)-associated porphyrins (Mn(II)-POR and Mg(II)-POR) in aqueous solution. The simulation study highlights similar and dissimilar characteristics of the structural, dynamical, and thermodynamical properties of these closely related metals bound to porphyrins in aqueous solution. The structural analysis is based on radial and angular distribution functions, coordination number distributions, and angular-radial distributions. Both hydrated systems demonstrate similar pentacoordinated structures formed via the axial coordination of one water molecule to the metal ion in addition to the four nitrogen atoms of the porphyrin ring. However, in the case of Mn(II)-POR, the formation of a distorted square pyramidal geometry was observed. It was envisaged as a weak coordination of the water molecule to the Mn(II) atom and thus higher atomic fluctuation for all atoms in contrast to that for the hydrated Mg(II)-POR. The dynamical data in terms of the mean residence times, velocity autocorrelation function, free energy, and other parameters revealed the difference in the metal binding effect because the Mn(II) atom was observed to inhibit H-bond formation more than the presence of Mg(II) atoms in the core of the porphyrin. The current study thus highlights the significant differences in the structural and dynamical properties of Mn(II)- and Mg(II)-associated porphyrin systems.
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Affiliation(s)
- Zobia Naz
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences , University of Karachi , Karachi 75270 , Pakistan
| | - Syed Tarique Moin
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences , University of Karachi , Karachi 75270 , Pakistan
| | - Thomas S Hofer
- Theoretical Chemistry Division, Institute of General, Inorganic and Theoretical Chemistry , University of Innsbruck , Innrain 80-82 , A-6020 Innsbruck , Austria
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Tsolekile N, Nelana S, Oluwafemi OS. Porphyrin as Diagnostic and Therapeutic Agent. Molecules 2019; 24:E2669. [PMID: 31340553 PMCID: PMC6680575 DOI: 10.3390/molecules24142669] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 07/02/2019] [Accepted: 07/08/2019] [Indexed: 11/16/2022] Open
Abstract
The synthesis and application of porphyrins has seen a huge shift towards research in porphyrin bio-molecular based systems in the past decade. The preferential localization of porphyrins in tumors, as well as their ability to generate reactive singlet oxygen and low dark toxicities has resulted in their use in therapeutic applications such as photodynamic therapy. However, their inherent lack of bio-distribution due to water insolubility has shifted research into porphyrin-nanomaterial conjugated systems to address this challenge. This has broadened their bio-applications, viz. bio-sensors, fluorescence tracking, in vivo magnetic resonance imaging (MRI), and positron emission tomography (PET)/CT imaging to photo-immuno-therapy just to highlight a few. This paper reviews the unique theranostic role of porphyrins in disease diagnosis and therapy. The review highlights porphyrin conjugated systems and their applications. The review ends by bringing current challenges and future perspectives of porphyrin based conjugated systems and their respective applications into light.
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Affiliation(s)
- Ncediwe Tsolekile
- Department of Chemical Sciences (formerly Applied Chemistry), University of Johannesburg, P. O. Box 17011, Doornfontein 2028, Johannesburg, South Africa
- Department of Applied Chemistry, University of Johannesburg, P. O. Box 17011, Doornfontein 2028, Johannesburg, South Africa
- Department of Chemistry, Cape Peninsula University of Technology, P.O. Box 652, Cape Town 2000, South Africa
| | - Simphiwe Nelana
- Department of Chemistry, Vaal University of Technology, Private Bag X021, Vanderbijlpark 1900, South Africa.
| | - Oluwatobi Samuel Oluwafemi
- Department of Chemical Sciences (formerly Applied Chemistry), University of Johannesburg, P. O. Box 17011, Doornfontein 2028, Johannesburg, South Africa.
- Department of Applied Chemistry, University of Johannesburg, P. O. Box 17011, Doornfontein 2028, Johannesburg, South Africa.
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Nascimento BFO, Pereira NAM, Valente AJM, Pinho E Melo TMVD, Pineiro M. A Review on (Hydro)Porphyrin-Loaded Polymer Micelles: Interesting and Valuable Platforms for Enhanced Cancer Nanotheranostics. Pharmaceutics 2019; 11:E81. [PMID: 30769938 PMCID: PMC6410025 DOI: 10.3390/pharmaceutics11020081] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 02/07/2019] [Accepted: 02/12/2019] [Indexed: 12/24/2022] Open
Abstract
Porphyrins are known therapeutic agents for photodynamic therapy of cancer and also imaging agents for NIR fluorescence imaging, MRI, or PET. A combination of interesting features makes tetrapyrrolic macrocycles suitable for use as theranostic agents whose full potential can be achieved using nanocarriers. This review provides an overview on nanotheranostic agents based on polymeric micelles and porphyrins developed so far.
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Affiliation(s)
- Bruno F O Nascimento
- CQC and Department of Chemistry, University of Coimbra, Rua Larga, 3004-535 Coimbra, Portugal.
| | - Nelson A M Pereira
- CQC and Department of Chemistry, University of Coimbra, Rua Larga, 3004-535 Coimbra, Portugal.
| | - Artur J M Valente
- CQC and Department of Chemistry, University of Coimbra, Rua Larga, 3004-535 Coimbra, Portugal.
| | | | - Marta Pineiro
- CQC and Department of Chemistry, University of Coimbra, Rua Larga, 3004-535 Coimbra, Portugal.
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Correction: Manganese-porphyrin-enhanced MRI for the detection of cancer cells: A quantitative in vitro investigation with multiple clinical subtypes of breast cancer. PLoS One 2018; 13:e0206720. [PMID: 30418979 PMCID: PMC6231608 DOI: 10.1371/journal.pone.0206720] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
[This corrects the article DOI: 10.1371/journal.pone.0196998.].
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A manganese porphyrin-based T1 contrast agent for cellular MR imaging of human embryonic stem cells. Sci Rep 2018; 8:12129. [PMID: 30108285 PMCID: PMC6092441 DOI: 10.1038/s41598-018-30661-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 08/01/2018] [Indexed: 01/02/2023] Open
Abstract
MRI for non-invasive cell tracking is recognized for enabling pre-clinical research on stem cell therapy. Yet, adoption of cellular imaging in stem cell research has been restricted to sites with experience in MR contrast agent synthesis and to small animal models that do not require scaled-up synthesis. In this study, we demonstrate the use of a gadolinium-free T1 contrast agent for tracking human embryonic stem cells. The agent, MnPNH2, is an easily synthesized manganese porphyrin that can be scaled for large cell numbers. MRI was performed on a 3 T clinical scanner. Cell pellets labeled at different MnPNH2 concentrations for 24 hours demonstrated a decrease in T1 relaxation time of nearly two-fold (P < 0.05), and cellular contrast was maintained for 24 hours (P < 0.05). Cell viability (Trypan blue) and differentiation (embryoid body formation) were unaffected. Cell uptake of Mn on inductively coupled plasma atomic emission spectroscopy corroborated MRI findings, and fluorescence microscopy revealed the agent localized mainly in cell-cell boundaries and cell nuclei. Labeled cells transplanted in rats demonstrated the superior sensitivity of MnPNH2 for in-vivo cell tracking.
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