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Ariztia J, Solmont K, Moïse NP, Specklin S, Heck MP, Lamandé-Langle S, Kuhnast B. PET/Fluorescence Imaging: An Overview of the Chemical Strategies to Build Dual Imaging Tools. Bioconjug Chem 2022; 33:24-52. [PMID: 34994545 DOI: 10.1021/acs.bioconjchem.1c00503] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Molecular imaging is a biomedical research discipline that has quickly emerged to afford the observation, characterization, monitoring, and quantification of biomarkers and biological processes in living organism. It covers a large array of imaging techniques, each of which provides anatomical, functional, or metabolic information. Multimodality, as the combination of two or more of these techniques, has proven to be one of the best options to boost their individual properties, hence offering unprecedented tools for human health. In this review, we will focus on the combination of positron emission tomography and fluorescence imaging from the specific perspective of the chemical synthesis of dual imaging agents. Based on a detailed analysis of the literature, this review aims at giving a comprehensive overview of the chemical strategies implemented to build adequate imaging tools considering radiohalogens and radiometals as positron emitters, fluorescent dyes mostly emitting in the NIR window and all types of targeting vectors.
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Affiliation(s)
- Julen Ariztia
- Université Paris-Saclay, Inserm, CNRS, CEA, Laboratoire d'Imagerie Biomédicale Multimodale Paris-Saclay, 91401, Orsay, France
| | - Kathleen Solmont
- Université Paris-Saclay, Inserm, CNRS, CEA, Laboratoire d'Imagerie Biomédicale Multimodale Paris-Saclay, 91401, Orsay, France
| | | | - Simon Specklin
- Université Paris-Saclay, Inserm, CNRS, CEA, Laboratoire d'Imagerie Biomédicale Multimodale Paris-Saclay, 91401, Orsay, France
| | - Marie Pierre Heck
- Université Paris-Saclay, INRAE, Département Médicaments et Technologies pour la santé (DMTS), SCBM, 91191, Gif-sur-Yvette cedex, France
| | | | - Bertrand Kuhnast
- Université Paris-Saclay, Inserm, CNRS, CEA, Laboratoire d'Imagerie Biomédicale Multimodale Paris-Saclay, 91401, Orsay, France
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Simões JCS, Sarpaki S, Papadimitroulas P, Therrien B, Loudos G. Conjugated Photosensitizers for Imaging and PDT in Cancer Research. J Med Chem 2020; 63:14119-14150. [PMID: 32990442 DOI: 10.1021/acs.jmedchem.0c00047] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Early cancer detection and perfect understanding of the disease are imperative toward efficient treatments. It is straightforward that, for choosing a specific cancer treatment methodology, diagnostic agents undertake a critical role. Imaging is an extremely intriguing tool since it assumes a follow up to treatments to survey the accomplishment of the treatment and to recognize any conceivable repeating injuries. It also permits analysis of the disease, as well as to pursue treatment and monitor the possible changes that happen on the tumor. Likewise, it allows screening the adequacy of treatment and visualizing the state of the tumor. Additionally, when the treatment is finished, observing the patient is imperative to evaluate the treatment methodology and adjust the treatment if necessary. The goal of this review is to present an overview of conjugated photosensitizers for imaging and therapy.
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Affiliation(s)
- João C S Simões
- Institute of Chemistry, University of Neuchatel, Avenue de Bellevaux 51, CH-2000 Neuchatel, Switzerland.,BioEmission Technology Solutions, Alexandras Avenue 116, 11472 Athens, Greece
| | - Sophia Sarpaki
- BioEmission Technology Solutions, Alexandras Avenue 116, 11472 Athens, Greece
| | | | - Bruno Therrien
- Institute of Chemistry, University of Neuchatel, Avenue de Bellevaux 51, CH-2000 Neuchatel, Switzerland
| | - George Loudos
- BioEmission Technology Solutions, Alexandras Avenue 116, 11472 Athens, Greece
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99mTc- 68Ga-ICG-Labelled Macroaggregates and Nanocolloids of Human Serum Albumin: Synthesis Procedures of a Trimodal Imaging Agent Using Commercial Kits. CONTRAST MEDIA & MOLECULAR IMAGING 2020; 2020:3629705. [PMID: 32410921 PMCID: PMC7204380 DOI: 10.1155/2020/3629705] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 10/28/2019] [Accepted: 12/21/2019] [Indexed: 01/06/2023]
Abstract
Recent developments in sentinel lymph node (SLN) and radio occult lesion localization (ROLL) highlight the need for a multimodal contrast agent, providing better presurgical PET imaging and improved intraoperative mapping thanks to fluorescence detection. For this reason, we have studied a trimodal SLN/ROLL targeting agent (99mTc-68Ga-ICG) with commercially available kits of macroaggregated or nanocolloidal albumin (MA/NC-HSA). 68Ga PET imaging does provide better spatial resolution and makes it possible to predict signal intensity during surgery. The presence of 99mTc assesses the efficacy of these compounds in vitro and also during the surgery procedure. The aim of this study was to optimise the labelling and tagging of these two radiopharmaceuticals and assess their yields and stability. Kits of MA/NC-HSA particles (Pulmocis® and NanoAlbumon®) were used for sequential radiolabelling with 99mTc and 68Ga. Fluorescent tagging was performed using indocyanine green, a tricarbocyanine dye. The ITLC radiochemical purity of the trilabelled MA/NC-HSA was >95%. Fluorescent purity was measured by scanning the strips with a PhotoDynamicEye probe. Finally, in vitro stability tests, performed with DTPA and human serum solutions, assessed the efficacy of fluorescent tagging and radiolabelling.
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Vaneckova T, Bezdekova J, Han G, Adam V, Vaculovicova M. Application of molecularly imprinted polymers as artificial receptors for imaging. Acta Biomater 2020; 101:444-458. [PMID: 31706042 DOI: 10.1016/j.actbio.2019.11.007] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 10/21/2019] [Accepted: 11/04/2019] [Indexed: 12/19/2022]
Abstract
Medical diagnostics aims at specific localization of molecular targets as well as detection of abnormalities associated with numerous diseases. Molecularly imprinted polymers (MIPs) represent an approach of creating a synthetic material exhibiting selective recognition properties toward the desired template. The fabricated target-specific MIPs are usually well reproducible, economically efficient, and stable under critical conditions as compared to routinely used biorecognition elements such as fluorescent proteins, antibodies, enzymes, or aptamers and can even be created to those targets for which no antibodies are available. In this review, we summarize the methods of polymer fabrication. Further, we provide key for selection of the core material with imaging function depending on the imaging modality used. Finally, MIP-based imaging applications are highlighted and presented in a comprehensive form from different aspects. STATEMENT OF SIGNIFICANCE: In this review, we summarize the methods of polymer fabrication. Key applications of Molecularly imprinted polymers (MIPs) in imaging are highlighted and discussed with regard to the selection of the core material for imaging as well as commonly used imaging targets. MIPs represent an approach of creating a synthetic material exhibiting selective recognition properties toward the desired template. The fabricated target-specific MIPs are usually well reproducible, economically efficient, and stable under critical conditions as compared to routinely used biorecognition elements, e.g., antibodies, fluorescent proteins, enzymes, or aptamers, and can even be created to those targets for which no antibodies are available.
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Samra GK, Intskirveli I, Govind AP, Liang C, Lazar R, Green WN, Metherate R, Mukherjee J. Development of fluorescence imaging probes for nicotinic acetylcholine α4β2 ∗ receptors. Bioorg Med Chem Lett 2018; 28:371-377. [PMID: 29277457 DOI: 10.1016/j.bmcl.2017.12.036] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 12/13/2017] [Accepted: 12/16/2017] [Indexed: 11/29/2022]
Abstract
Nicotinic acetylcholine α4β2∗ receptors (nAChRs) are implicated in various neurodegenerative diseases and smoking addiction. Imaging of brain high-affinity α4β2∗ nAChRs at the cellular and subcellular levels would greatly enhance our understanding of their functional role. Since better resolution could be achieved with fluorescent probes, using our previously developed positron emission tomography (PET) imaging agent [18F]nifrolidine, we report here design, synthesis and evaluation of two fluorescent probes, nifrodansyl and nifrofam for imaging α4β2∗ nAChRs. The nifrodansyl and nifrofam exhibited nanomolar affinities for the α4β2∗ nAChRs in [3H]cytisine-radiolabeled rat brain slices. Nifrofam labeling was observed in α4β2∗ nAChR-expressing HEK cells and was upregulated by nicotine exposure. Nifrofam co-labeled cell-surface α4β2∗ nAChRs, labeled with antibodies specific for a β2 subunit extracellular epitope indicating that nifrofam labels α4β2∗ nAChR high-affinity binding sites. Mouse brain slices exhibited discrete binding of nifrofam in the auditory cortex showing promise for examining cellular distribution of α4β2∗ nAChRs in brain regions.
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Affiliation(s)
- Gurleen K Samra
- Preclinical Imaging, Department of Radiological Sciences, University of California-Irvine, Irvine, CA 92697, United States
| | - Irakli Intskirveli
- Department of Neurobiology and Behavior, University of California-Irvine, Irvine, CA 92697, United States
| | - Anitha P Govind
- Department of Neurobiology, University of Chicago, IL 60637, United States
| | - Christopher Liang
- Preclinical Imaging, Department of Radiological Sciences, University of California-Irvine, Irvine, CA 92697, United States
| | - Ronit Lazar
- Department of Neurobiology and Behavior, University of California-Irvine, Irvine, CA 92697, United States
| | - William N Green
- Department of Neurobiology, University of Chicago, IL 60637, United States
| | - Raju Metherate
- Department of Neurobiology and Behavior, University of California-Irvine, Irvine, CA 92697, United States
| | - Jogeshwar Mukherjee
- Preclinical Imaging, Department of Radiological Sciences, University of California-Irvine, Irvine, CA 92697, United States; Department of Biomedical Engineering, University of California-Irvine, Irvine, CA 92697, United States.
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Okuda-Shinagawa NM, Moskalenko YE, Junqueira HC, Baptista M, Marques CM, Machini MT. Fluorescent and Photosensitizing Conjugates of Cell-Penetrating Peptide TAT(47-57): Design, Microwave-Assisted Synthesis at 60 °C, and Properties. ACS OMEGA 2017; 2:8156-8166. [PMID: 30023576 PMCID: PMC6044864 DOI: 10.1021/acsomega.7b01127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 10/30/2017] [Indexed: 05/04/2023]
Abstract
Conjugates based on cell-penetrating peptides (CPPs) are scientifically relevant owing to their structural complexity; their ability to enter cells and deliver drugs, labels, antioxidants, bioactive compounds, or DNA fragments; and, consequently, their potential for application in research and biomedicine. In this study, carboxyamidated fluorescently labeled conjugates FAM-GG-TAT(47-57)-NH2 and FAM-PEG6-TAT(47-57)-NH2 and photosensitizer-labeled conjugate Chk-PEG6-TAT(47-57)-NH2 [where TAT(47-57) is the CPP, 5(6)-carboxyfluorescein is the (FAM) fluorophore, chlorin k (Chk) is the photosensitizer, and the dipeptide glycyl-glycine (GG) or hexaethylene glycol (PEG6) is the spacer] were originally designed, prepared, and fully characterized. Practically, all chemical reactions of the synthetic steps (peptide synthesis, spacer incorporation, and conjugation) were microwave-assisted at 60 °C using optimized protocols to give satisfying yields and high-quality products. Detailed analyses of the conjugates using spectrofluorimetry and singlet oxygen detection showed that they display photophysical properties typical of FAM or Chk. Anticandidal activity assays showed that not only this basic property of TAT(47-57) was preserved in the conjugates but also that the minimal inhibitory concentration was slightly reduced for cells incubated with PS-bearing conjugate Chk-PEG6-TAT(47-57)-NH2. Overall, these results indicated that the synthetic approach on-resin assisted by microwaves at 60 °C is simple, straightforward, selective, metal-free, sufficiently fast, cleaner, and more cost-effective than those previously used for preparing this type of macromolecule. Furthermore, such new data show that microwaves at 60 °C and/or conjugation did not harm the integrity of the conjugates' constituents. Therefore, FAM-GG-TAT(47-57)-NH2, FAM-PEG6-TAT(47-57)-NH2, and Chk-PEG6-TAT(47-57)-NH2 have high potential for practical applications in biochemistry, biophysics, and therapeutics.
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Affiliation(s)
- Nancy M. Okuda-Shinagawa
- Department
of Biochemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes, 748, Cidade Universitária, Butantã, 05508-000 São
Paulo, SP, Brazil
| | - Yulia E. Moskalenko
- Department
of Biochemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes, 748, Cidade Universitária, Butantã, 05508-000 São
Paulo, SP, Brazil
| | - Helena C. Junqueira
- Department
of Biochemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes, 748, Cidade Universitária, Butantã, 05508-000 São
Paulo, SP, Brazil
| | - Maurício
S. Baptista
- Department
of Biochemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes, 748, Cidade Universitária, Butantã, 05508-000 São
Paulo, SP, Brazil
| | - Carlos M. Marques
- Department
of Biochemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes, 748, Cidade Universitária, Butantã, 05508-000 São
Paulo, SP, Brazil
- Institut
Charles Sadron, Université de Strasbourg,
UPR22-CNRS, 23, rue du
Loess, BP 84047, 67034 Strasbourg Cedex 2, Strasbourg, France
| | - M. Terêsa Machini
- Department
of Biochemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes, 748, Cidade Universitária, Butantã, 05508-000 São
Paulo, SP, Brazil
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Yuzhakova DV, Lermontova SA, Grigoryev IS, Muravieva MS, Gavrina AI, Shirmanova MV, Balalaeva IV, Klapshina LG, Zagaynova EV. In vivo multimodal tumor imaging and photodynamic therapy with novel theranostic agents based on the porphyrazine framework-chelated gadolinium (III) cation. Biochim Biophys Acta Gen Subj 2017; 1861:3120-3130. [PMID: 28916141 DOI: 10.1016/j.bbagen.2017.09.004] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 09/01/2017] [Accepted: 09/11/2017] [Indexed: 12/29/2022]
Abstract
BACKGROUND A promising strategy for cancer diagnosis and therapy is the development of an agent for multimodal imaging and treatment. In the present paper we report on two novel multifunctional agents prepared on the porphyrazine pigment platform using a gadolinium (III) cation chelated by red-fluorescent tetrapyrrole macrocycles (GdPz1 and GdPz2). METHODS Spectral and magnetic properties of the compounds were analyzed. Monitoring of GdPz1 and GdPz2 accumulation in the murine colon carcinoma CT26 was performed in vivo using fluorescence imaging and MRI. The photobleaching of GdPz1 or GdPz2 and tumor growth rate after photodynamic therapy (PDT) were assessed. RESULTS GdPz1 and GdPz2 demonstrated the selective accumulation in tumor that was indicated by higher fluorescence intensity in the tumor area in comparison with the normal tissues. The results of MRI in vivo showed that GdPz1 or GdPz2 provided significant contrast enhancement of the tumor in T1 MR images. PDT with GdPz2 resulted in ~20% decrease in fluorescence intensity of the compound and the inhibition of tumor growth. CONCLUSIONS We assessed the efficiency of two innovative Gd(III) cation-porphyrazine chelates as bimodal MR and fluorescent probes and photosensitizers for PDT and showed their potentials for tumor diagnostics and treatment. GENERAL SIGNIFICANCE Water-soluble structures simple in preparation and administration into the body represent special interest for theranostics of tumors. Novel porphyrazine macrocycles chelating a central gadolinium cation demonstrated a good prospect as effective multimodal agents, representing a new approach to MRI and fluorescence imaging guided PDT.
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Affiliation(s)
- Diana V Yuzhakova
- Nizhny Novgorod State Medical Academy, 10/1 Minin and Pozharsky Sq., 603005 Nizhny Novgorod, Russia; Lobachevsky State University of Nizhny Novgorod, 23 Gagarin Ave., 603950 Nizhny Novgorod, Russia.
| | - Svetlana A Lermontova
- Razuvaev Institute of Organometallic, Chemistry of the Russian, Academy of Sciences, 49 Tropinina St., 603950 Nizhny Novgorod, Russia; Lobachevsky State University of Nizhny Novgorod, 23 Gagarin Ave., 603950 Nizhny Novgorod, Russia
| | - Ilya S Grigoryev
- Razuvaev Institute of Organometallic, Chemistry of the Russian, Academy of Sciences, 49 Tropinina St., 603950 Nizhny Novgorod, Russia
| | - Maria S Muravieva
- Lobachevsky State University of Nizhny Novgorod, 23 Gagarin Ave., 603950 Nizhny Novgorod, Russia
| | - Alena I Gavrina
- Nizhny Novgorod State Medical Academy, 10/1 Minin and Pozharsky Sq., 603005 Nizhny Novgorod, Russia; Lobachevsky State University of Nizhny Novgorod, 23 Gagarin Ave., 603950 Nizhny Novgorod, Russia
| | - Marina V Shirmanova
- Nizhny Novgorod State Medical Academy, 10/1 Minin and Pozharsky Sq., 603005 Nizhny Novgorod, Russia
| | - Irina V Balalaeva
- Lobachevsky State University of Nizhny Novgorod, 23 Gagarin Ave., 603950 Nizhny Novgorod, Russia
| | - Larisa G Klapshina
- Razuvaev Institute of Organometallic, Chemistry of the Russian, Academy of Sciences, 49 Tropinina St., 603950 Nizhny Novgorod, Russia; Lobachevsky State University of Nizhny Novgorod, 23 Gagarin Ave., 603950 Nizhny Novgorod, Russia
| | - Elena V Zagaynova
- Nizhny Novgorod State Medical Academy, 10/1 Minin and Pozharsky Sq., 603005 Nizhny Novgorod, Russia
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Cao X, Chen X, Kang F, Zhan Y, Cao X, Wang J, Liang J, Tian J. Intensity Enhanced Cerenkov Luminescence Imaging Using Terbium-Doped Gd2O2S Microparticles. ACS APPLIED MATERIALS & INTERFACES 2015; 7:11775-11782. [PMID: 25992597 DOI: 10.1021/acsami.5b00432] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Weak intensity and poor penetration depth are two big obstacles toward clinical use of Cerenkov luminescence imaging (CLI). In this proof-of-concept study, we overcame these limitations by using lanthanides-based radioluminescent microparticles (RLMPs), called terbium doped Gd2O2S. The characterization experiment showed that the emission excited by Cerenkov luminescence can be neglected whereas the spectrum experiment demonstrated that the RLMPs can actually be excited by γ-rays. A series of in vitro experiments demonstrated that RLMPs significantly improve the intensity and the penetration capacity of CLI, which has been extended to as deep as 15 mm. In vivo pseudotumor study further prove the huge potential of this enhancement strategy for Cerenkov luminescence imaging in living animal studies.
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Affiliation(s)
| | | | - Fei Kang
- ‡Department of Nuclear Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, China
| | | | | | - Jing Wang
- ‡Department of Nuclear Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, China
| | | | - Jie Tian
- §Institute of Automation, Chinese Academy of Sciences, Beijing 100190, China
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Velikyan I. Continued rapid growth in68Ga applications: update 2013 to June 2014. J Labelled Comp Radiopharm 2015; 58:99-121. [DOI: 10.1002/jlcr.3250] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 11/13/2014] [Accepted: 11/21/2014] [Indexed: 12/21/2022]
Affiliation(s)
- Irina Velikyan
- Preclinical PET Platform, Department of Medicinal Chemistry; Uppsala University; SE-75183 Uppsala Sweden
- Department of Radiology, Oncology and Radiation Science; Uppsala University; SE-75285 Uppsala Sweden
- PET-Centre, Centre for Medical Imaging; Uppsala University Hospital; SE-75185 Uppsala Sweden
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NEMA NU 4-Optimized Reconstructions for Therapy Assessment in Cancer Research with the Inveon Small Animal PET/CT System. Mol Imaging Biol 2014; 17:403-12. [DOI: 10.1007/s11307-014-0805-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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