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Lian Y, Zeng S, Wen S, Zhao X, Fang C, Zeng N. Review and Application of Integrin Alpha v Beta 6 in the Diagnosis and Treatment of Cholangiocarcinoma and Pancreatic Ductal Adenocarcinoma. Technol Cancer Res Treat 2023; 22:15330338231189399. [PMID: 37525872 PMCID: PMC10395192 DOI: 10.1177/15330338231189399] [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: 02/14/2023] [Revised: 06/13/2023] [Accepted: 06/28/2023] [Indexed: 08/02/2023] Open
Abstract
Integrin Alpha v Beta 6 is expressed primarily in solid epithelial tumors, such as cholangiocarcinoma, pancreatic cancer, and colorectal cancer. It has been considered a potential and promising molecular marker for the early diagnosis and treatment of cancer. Cholangiocarcinoma and pancreatic ductal adenocarcinoma share genetic, histological, and pathophysiological similarities due to the shared embryonic origin of the bile duct and pancreas. These cancers share numerous clinicopathological characteristics, including growth pattern, poor response to conventional radiotherapy and chemotherapy, and poor prognosis. This review focuses on the role of integrin Alpha v Beta 6 in cancer progression. It addition, it reviews how the marker can be used in molecular imaging and therapeutic targets. We propose further research explorations and questions that need to be addressed. We conclude that integrin Alpha v Beta 6 may serve as a potential biomarker for cancer disease progression and prognosis.
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Affiliation(s)
- Yunyu Lian
- Zhujiang Hospital, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
- First Department of Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Silue Zeng
- First Department of Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Clinical and Engineering Technology Center of Digital Medicine, Guangzhou, China
| | - Sai Wen
- First Department of Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Clinical and Engineering Technology Center of Digital Medicine, Guangzhou, China
| | - Xingyang Zhao
- First Department of Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Clinical and Engineering Technology Center of Digital Medicine, Guangzhou, China
| | - Chihua Fang
- Zhujiang Hospital, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
- First Department of Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Clinical and Engineering Technology Center of Digital Medicine, Guangzhou, China
| | - Ning Zeng
- Zhujiang Hospital, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
- First Department of Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Clinical and Engineering Technology Center of Digital Medicine, Guangzhou, China
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2
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Ramos-Soriano J, Illescas BM, Pérez-Sánchez A, Sánchez-Bento R, Lasala F, Rojo J, Delgado R, Martín N. Topological and Multivalent Effects in Glycofullerene Oligomers as EBOLA Virus Inhibitors. Int J Mol Sci 2022; 23:ijms23095083. [PMID: 35563489 PMCID: PMC9131134 DOI: 10.3390/ijms23095083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/27/2022] [Accepted: 04/29/2022] [Indexed: 11/25/2022] Open
Abstract
The synthesis of new biocompatible antiviral materials to fight against the development of multidrug resistance is being widely explored. Due to their unique globular structure and excellent properties, [60]fullerene-based antivirals are very promising bioconjugates. In this work, fullerene derivatives with different topologies and number of glycofullerene units were synthesized by using a SPAAC copper free strategy. This procedure allowed the synthesis of compounds 1–3, containing from 20 to 40 mannose units, in a very efficient manner and in short reaction times under MW irradiation. The glycoderivatives were studied in an infection assay by a pseudotyped viral particle with Ebola virus GP1. The results obtained show that these glycofullerene oligomers are efficient inhibitors of EBOV infection with IC50s in the nanomolar range. In particular, compound 3, with four glycofullerene moieties, presents an outstanding relative inhibitory potency (RIP). We propose that this high RIP value stems from the appropriate topological features that efficiently interact with DC-SIGN.
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Affiliation(s)
- Javier Ramos-Soriano
- Departamento de Química Orgánica, Facultad de Química, Universidad Complutense, 28040 Madrid, Spain; (J.R.-S.); (A.P.-S.); (R.S.-B.); (N.M.)
| | - Beatriz M. Illescas
- Departamento de Química Orgánica, Facultad de Química, Universidad Complutense, 28040 Madrid, Spain; (J.R.-S.); (A.P.-S.); (R.S.-B.); (N.M.)
- Correspondence: (B.M.I.); (R.D.)
| | - Alfonso Pérez-Sánchez
- Departamento de Química Orgánica, Facultad de Química, Universidad Complutense, 28040 Madrid, Spain; (J.R.-S.); (A.P.-S.); (R.S.-B.); (N.M.)
| | - Raquel Sánchez-Bento
- Departamento de Química Orgánica, Facultad de Química, Universidad Complutense, 28040 Madrid, Spain; (J.R.-S.); (A.P.-S.); (R.S.-B.); (N.M.)
| | - Fátima Lasala
- Laboratorio de Microbiología Molecular, Instituto de Investigación Hospital 12 de Octubre (imas12), 28041 Madrid, Spain;
| | - Javier Rojo
- Glycosystems Laboratory, Instituto de Investigaciones Químicas (IIQ), CSIC–Universidad de Sevilla, Av. Américo Vespucio 49, 41092 Seville, Spain;
| | - Rafael Delgado
- Laboratorio de Microbiología Molecular, Instituto de Investigación Hospital 12 de Octubre (imas12), 28041 Madrid, Spain;
- Correspondence: (B.M.I.); (R.D.)
| | - Nazario Martín
- Departamento de Química Orgánica, Facultad de Química, Universidad Complutense, 28040 Madrid, Spain; (J.R.-S.); (A.P.-S.); (R.S.-B.); (N.M.)
- IMDEA-Nanoscience, C/Faraday, 9, Campus de Cantoblanco, 28049 Madrid, Spain
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3
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Fu Y, Helbert H, Simeth NA, Crespi S, Spoelstra GB, van Dijl JM, van Oosten M, Nazario LR, van der Born D, Luurtsema G, Szymanski W, Elsinga PH, Feringa BL. Ultrafast Photoclick Reaction for Selective 18F-Positron Emission Tomography Tracer Synthesis in Flow. J Am Chem Soc 2021; 143:10041-10047. [PMID: 34181410 PMCID: PMC8283755 DOI: 10.1021/jacs.1c02229] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
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The development of
very fast, clean, and selective methods for
indirect labeling in PET tracer synthesis is an ongoing challenge.
Here we present the development of an ultrafast photoclick method
for the synthesis of short-lived 18F-PET tracers based
on the photocycloaddition reaction of 9,10-phenanthrenequinones
with electron-rich alkenes. The respective precursors are synthetically
easily accessible and can be functionalized with various target groups.
Using a flow photo-microreactor, the photoclick reaction can be performed
in 60 s, and clinically relevant tracers for prostate cancer and bacterial
infection imaging were prepared to demonstrate practicality of the
method.
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Affiliation(s)
- Youxin Fu
- Centre for Systems Chemistry, Stratingh Institute for Chemistry, Faculty for Science and Engineering, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Hugo Helbert
- Centre for Systems Chemistry, Stratingh Institute for Chemistry, Faculty for Science and Engineering, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.,Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Nadja A Simeth
- Centre for Systems Chemistry, Stratingh Institute for Chemistry, Faculty for Science and Engineering, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Stefano Crespi
- Centre for Systems Chemistry, Stratingh Institute for Chemistry, Faculty for Science and Engineering, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Gerbren B Spoelstra
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Jan Maarten van Dijl
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Marleen van Oosten
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Luiza Reali Nazario
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Dion van der Born
- FutureChemistry, Agro Business Park 10, 6708 PW Wageningen, The Netherlands
| | - Gert Luurtsema
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Wiktor Szymanski
- Centre for Systems Chemistry, Stratingh Institute for Chemistry, Faculty for Science and Engineering, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.,Department of Radiology, Medical Imaging Center, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Philip H Elsinga
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Ben L Feringa
- Centre for Systems Chemistry, Stratingh Institute for Chemistry, Faculty for Science and Engineering, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
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4
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Jiang T, Laughlin ST. Enzyme- or light-triggered cyclopropenes for bioorthogonal ligation. Methods Enzymol 2020; 641:1-34. [PMID: 32713519 DOI: 10.1016/bs.mie.2020.04.034] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Since first reported at the beginning of the 21st century, bioorthogonal reactions have become powerful tools for investigating biological systems. Here, we review several classic and current bioorthogonal reactions, including the Staudinger-Bertozzi ligation, strain-promoted azide-alkyne cycloaddition (SPAAC), 1,3-dipolar cycloaddition, and tetrazine-alkene ligation. We discuss the capabilities and limitations of the subset of current bioorthogonal reactions that can be "turned on" by exposure to light or an enzyme. Finally, we focus on our recently developed turn-on cyclopropenes, which can be activated for reaction with tetrazines by exposure to light or enzymes, like nitroreductase, depending on the modular reaction caging group appended to the cyclopropene. We discuss the caged cyclopropene's molecular design and synthesis, and we discuss experiments to evaluate and verify reactivity both in vitro and in vivo.
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Affiliation(s)
- Ting Jiang
- Department of Chemistry, Stony Brook University, Stony Brook, NY, United States
| | - Scott T Laughlin
- Department of Chemistry, Stony Brook University, Stony Brook, NY, United States; Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, NY, United States.
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5
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Ghiassian S, Yu L, Gobbo P, Nazemi A, Romagnoli T, Luo W, Luyt LG, Workentin MS. Nitrone-Modified Gold Nanoparticles: Synthesis, Characterization, and Their Potential as 18F-Labeled Positron Emission Tomography Probes via I-SPANC. ACS OMEGA 2019; 4:19106-19115. [PMID: 31763533 PMCID: PMC6868604 DOI: 10.1021/acsomega.9b02322] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 10/28/2019] [Indexed: 05/11/2023]
Abstract
A novel bioorthogonal gold nanoparticle (AuNP) template displaying interfacial nitrone functional groups for bioorthogonal interfacial strain-promoted alkyne-nitrone cycloaddition reactions has been synthesized. These nitrone-AuNPs were characterized in detail using 1H nuclear magnetic resonance spectroscopy, transmission electron microscopy, thermogravimetric analysis, and X-ray photoelectron spectroscopy, and a nanoparticle raw formula was calculated. The ability to control the conjugation of molecules of interest at the molecular level onto the nitrone-AuNP template allowed us to create a novel methodology for the synthesis of AuNP-based radiolabeled probes.
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Affiliation(s)
- Sara Ghiassian
- Department
of Chemistry and the Center for Materials and Biomaterials
Research and Department of Oncology, The University
of Western Ontario, London N6A 5B7, Ontario, Canada
| | - Lihai Yu
- London
Regional Cancer Program, 800 Commissioners Rd. E., London N6A 5W9, Ontario, Canada
| | - Pierangelo Gobbo
- Department
of Chemistry and the Center for Materials and Biomaterials
Research and Department of Oncology, The University
of Western Ontario, London N6A 5B7, Ontario, Canada
| | - Ali Nazemi
- Department
of Chemistry and the Center for Materials and Biomaterials
Research and Department of Oncology, The University
of Western Ontario, London N6A 5B7, Ontario, Canada
| | - Tommaso Romagnoli
- Department
of Chemistry and the Center for Materials and Biomaterials
Research and Department of Oncology, The University
of Western Ontario, London N6A 5B7, Ontario, Canada
| | - Wilson Luo
- Department
of Chemistry and the Center for Materials and Biomaterials
Research and Department of Oncology, The University
of Western Ontario, London N6A 5B7, Ontario, Canada
| | - Leonard G. Luyt
- Department
of Chemistry and the Center for Materials and Biomaterials
Research and Department of Oncology, The University
of Western Ontario, London N6A 5B7, Ontario, Canada
- London
Regional Cancer Program, 800 Commissioners Rd. E., London N6A 5W9, Ontario, Canada
| | - Mark S. Workentin
- Department
of Chemistry and the Center for Materials and Biomaterials
Research and Department of Oncology, The University
of Western Ontario, London N6A 5B7, Ontario, Canada
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6
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Recent Advances in Bioorthogonal Click Chemistry for Efficient Synthesis of Radiotracers and Radiopharmaceuticals. Molecules 2019; 24:molecules24193567. [PMID: 31581645 PMCID: PMC6803924 DOI: 10.3390/molecules24193567] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 09/23/2019] [Accepted: 09/27/2019] [Indexed: 12/17/2022] Open
Abstract
In recent years, several catalyst-free site-specific reactions have been investigated for the efficient conjugation of biomolecules, nanomaterials, and living cells. Representative functional group pairs for these reactions include the following: (1) azide and cyclooctyne for strain-promoted cycloaddition reaction, (2) tetrazine and trans-alkene for inverse-electron-demand-Diels–Alder reaction, and (3) electrophilic heterocycles and cysteine for rapid condensation/addition reaction. Due to their excellent specificities and high reaction rates, these conjugation methods have been utilized for the labeling of radioisotopes (e.g., radiohalogens, radiometals) to various target molecules. The radiolabeled products prepared by these methods have been applied to preclinical research, such as in vivo molecular imaging, pharmacokinetic studies, and radiation therapy of cancer cells. In this review, we explain the basics of these chemical reactions and introduce their recent applications in the field of radiopharmacy and chemical biology. In addition, we discuss the significance, current challenges, and prospects of using bioorthogonal conjugation reactions.
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7
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Jacobson O, Wang Z, Yu G, Ma Y, Chen X, Kiesewetter DO. 3- 18F-fluoropropane-1-thiol and 18F-PEG 4-1-thiol: Versatile prosthetic groups for radiolabeling maleimide functionalized peptides. Bioorg Med Chem 2019; 27:115041. [PMID: 31402203 DOI: 10.1016/j.bmc.2019.08.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 08/02/2019] [Accepted: 08/04/2019] [Indexed: 11/17/2022]
Abstract
The efficient radiosynthesis of biomolecules utilizing minute quantities of maleimide substrate is important for availability of novel peptide molecular imaging agents. We evaluated both 3-18F-fluoropropane-1-thiol and 2-(2-(2-(2-18F-fluoroethoxy)ethoxy)ethoxy)ethane-1-thiol (18F-fluoro-PEG4 thiol) as prosthetic groups for radiolabeling under physiological conditions. The precursor employed a benzoate for protection of the thiol and an arylsulfonate leaving group. The radiofluorination was fully automated on an Eckert & Ziegler synthesis system using standard Kryptofix222/K2CO3 conditions. In order to minimize the amount of biological molecule required for subsequent conjugation, the intermediates, S-(3-18F-fluoropropyl) benzothioate and 18F-fluoro-PEG4 benzothioate, were purified by HPLC. The intermediates were isolated from the HPLC in yields of 37-47% and 28-35%, respectively, and retrieved from eluate using solid phase extraction. Treatment of the benzothioates with sodium methoxide followed by acetic acid provided the free thiols. The desired maleimide substrate in acetonitrile or phosphate buffer was then added and incubated at room temperature for 15 min. The final radiolabeled bioconjugate was purified on a separate HPLC or NAP-5 column. Maleimides utilized for the coupling reaction included phenyl maleimide, an Evans Blue maleimide derivative, a dimeric RGDfK maleimide (E[c(RGDfK)]2), two aptamer maleimides, and PSMA maleimide derivative. Isolated radiochemical yields (non-decay corrected) of maleimide addition products based on starting 18F-fluoride ranged from 6 to 22% in a synthesis time of about 90 min. 18F-thiol prosthetic groups were further tested in vivo by conjugation to E[c(RGDfK)]2 maleimide in a U87MG xenograft model. PET studies demonstrated similar tumor accumulation of both prosthetic groups. 18F-fluoro-PEG4-S-E[c(RGDfK)]2 displayed a somewhat favorable pharmacokinetics compared to 18F-fluoropropyl-S-E[c(RGDfK)]2. Bone uptake was low for both indicating in vivo stability.
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Affiliation(s)
- Orit Jacobson
- Molecular Tracer and Imaging Core Facility, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
| | - Zhantong Wang
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
| | - Guocan Yu
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
| | - Ying Ma
- Molecular Tracer and Imaging Core Facility, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
| | - Dale O Kiesewetter
- Molecular Tracer and Imaging Core Facility, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA.
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8
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Boudjemeline M, McNitt CD, Singleton TA, Popik VV, Kostikov AP. [ 18F]ODIBO: a prosthetic group for bioorthogonal radiolabeling of macromolecules via strain-promoted alkyne-azide cycloaddition. Org Biomol Chem 2019; 16:363-366. [PMID: 29170778 DOI: 10.1039/c7ob02532g] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel prosthetic group for the efficient radiolabeling of macromolecules has been developed. [18F]oxadibenzocyclooctyne ([18F]ODIBO) is synthesized in high radiochemical yield and applied for nearly quantitative conjugation to azide-tagged peptides and proteins at room temperature and low substrate concentrations. The resulting bioconjugates are chemically and radiochemically pure and free of toxic solvents and catalysts.
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Affiliation(s)
- Mehdi Boudjemeline
- McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Canada.
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9
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Krüll J, Heinrich MR. [
18
F]Fluorine‐Labeled Pharmaceuticals: Direct Aromatic Fluorination Compared to Multi‐Step Strategies. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800494] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Jasmin Krüll
- Department of Chemistry and Pharmacy, Pharmaceutical ChemistryFriedrich-Alexander Universität Erlangen-Nürnberg Nikolaus-Fiebiger-Str. 10 91058 Erlangen
| | - Markus R. Heinrich
- Department of Chemistry and Pharmacy, Pharmaceutical ChemistryFriedrich-Alexander Universität Erlangen-Nürnberg Nikolaus-Fiebiger-Str. 10 91058 Erlangen
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10
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Murrell E, Kovacs MS, Luyt LG. A Compact and Synthetically Accessible Fluorine-18 Labelled Cyclooctyne Prosthetic Group for Labelling of Biomolecules by Copper-Free Click Chemistry. ChemMedChem 2018; 13:1625-1628. [DOI: 10.1002/cmdc.201800334] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Indexed: 12/26/2022]
Affiliation(s)
- Emily Murrell
- Department of Chemistry; University of Western Ontario; 1151 Richmond Street London ON N6A 5B7 Canada
| | - Michael S. Kovacs
- Lawson Health Research Institute; 268 Grosvenor Street London ON N6A 4V2 Canada
- Departments of Medical Imaging and Medical Biophysics; University of Western Ontario; 1151 Richmond Street London ON N6A 5B7 Canada
| | - Leonard G. Luyt
- Department of Chemistry; University of Western Ontario; 1151 Richmond Street London ON N6A 5B7 Canada
- Department of Oncology; University of Western Ontario; 1151 Richmond Street London ON N6A 5B7 Canada
- London Regional Cancer Program; Lawson Health Research Institute; 790 Commissioners Road East London ON N6A 4L6 Canada
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11
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Poty S, Membreno R, Glaser JM, Ragupathi A, Scholz WW, Zeglis BM, Lewis JS. The inverse electron-demand Diels-Alder reaction as a new methodology for the synthesis of 225Ac-labelled radioimmunoconjugates. Chem Commun (Camb) 2018; 54:2599-2602. [PMID: 29388990 DOI: 10.1039/c7cc09129j] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The inverse electron-demand Diels-Alder reaction between tetrazine (Tz) and trans-cyclooctene (TCO) facilitates the efficient radiosynthesis of 225Ac-labelled radioimmunoconjugates in a two-step method, outperforming conventional approaches based on isothiocyanate couplings.
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Affiliation(s)
- S Poty
- Department of Radiology, Memorial Sloan Kettering Cancer Center, USA.
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12
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Oliveira BL, Guo Z, Bernardes GJL. Inverse electron demand Diels-Alder reactions in chemical biology. Chem Soc Rev 2018; 46:4895-4950. [PMID: 28660957 DOI: 10.1039/c7cs00184c] [Citation(s) in RCA: 634] [Impact Index Per Article: 105.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The emerging inverse electron demand Diels-Alder (IEDDA) reaction stands out from other bioorthogonal reactions by virtue of its unmatchable kinetics, excellent orthogonality and biocompatibility. With the recent discovery of novel dienophiles and optimal tetrazine coupling partners, attention has now been turned to the use of IEDDA approaches in basic biology, imaging and therapeutics. Here we review this bioorthogonal reaction and its promising applications for live cell and animal studies. We first discuss the key factors that contribute to the fast IEDDA kinetics and describe the most recent advances in the synthesis of tetrazine and dienophile coupling partners. Both coupling partners have been incorporated into proteins for tracking and imaging by use of fluorogenic tetrazines that become strongly fluorescent upon reaction. Selected notable examples of such applications are presented. The exceptional fast kinetics of this catalyst-free reaction, even using low concentrations of coupling partners, make it amenable for in vivo radiolabelling using pretargeting methodologies, which are also discussed. Finally, IEDDA reactions have recently found use in bioorthogonal decaging to activate proteins or drugs in gain-of-function strategies. We conclude by showing applications of the IEDDA reaction in the construction of biomaterials that are used for drug delivery and multimodal imaging, among others. The use and utility of the IEDDA reaction is interdisciplinary and promises to revolutionize chemical biology, radiochemistry and materials science.
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Affiliation(s)
- B L Oliveira
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.
| | - Z Guo
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.
| | - G J L Bernardes
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK. and Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Avenida Professor Egas Moniz, Lisboa, 1649-028, Portugal.
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13
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Davis RA, Rippner DA, Hausner SH, Parikh SJ, McElrone AJ, Sutcliffe JL. In Vivo Tracking of Copper-64 Radiolabeled Nanoparticles in Lactuca sativa. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:12537-12546. [PMID: 28954194 DOI: 10.1021/acs.est.7b03333] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Engineered nanoparticles (NPs) are increasingly used in commercial products including automotive lubricants, clothing, deodorants, sunscreens, and cosmetics and can potentially accumulate in our food supply. Given their size it is difficult to detect and visualize the presence of NPs in environmental samples, including crop plants. New analytical tools are needed to fill the void for detection and visualization of NPs in complex biological and environmental matrices. We aimed to determine whether radiolabeled NPs could be used as a noninvasive, highly sensitive analytical tool to quantitatively track and visualize NP transport and accumulation in vivo in lettuce (Lactuca sativa) and to investigate the effect of NP size on transport and distribution over time using a combination of autoradiography, positron emission tomography (PET)/computed tomography (CT), scanning electron microscopy (SEM), and transition electron microscopy (TEM). Azide functionalized NPs were radiolabeled via a "click" reaction with copper-64 (64Cu)-1,4,7-triazacyclononane triacetic acid (NOTA) azadibenzocyclooctyne (ADIBO) conjugate ([64Cu]-ADIBO-NOTA) via copper-free Huisgen-1,3-dipolar cycloaddition reaction. This yielded radiolabeled [64Cu]-NPs of uniform shape and size with a high radiochemical purity (>99%), specific activity of 2.2 mCi/mg of NP, and high stability (i.e., no detectable dissolution) over 24 h across a pH range of 5-9. Both PET/CT and autoradiography showed that [64Cu]-NPs entered the lettuce seedling roots and were rapidly transported to the cotyledons with the majority of the accumulation inside the roots. Uptake and transport of intact NPs was size-dependent, and in combination with the accumulation within the roots suggests a filtering effect of the plant cell walls at various points along the water transport pathway.
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Affiliation(s)
- Ryan A Davis
- Department of Internal Medicine, Division of Hematology & Oncology, ‡Radiochemistry Research and Training Facility, §Department of Land, Air and Water Resources, ∥USDA-ARS, Department of Viticulture and Enology, ⊥Department of Biomedical Engineering, and #Center for Molecular and Genomic Imaging, University of California-Davis , 2921 Stockton Blvd, Sacramento, California 95817, United States
| | - Devin A Rippner
- Department of Internal Medicine, Division of Hematology & Oncology, ‡Radiochemistry Research and Training Facility, §Department of Land, Air and Water Resources, ∥USDA-ARS, Department of Viticulture and Enology, ⊥Department of Biomedical Engineering, and #Center for Molecular and Genomic Imaging, University of California-Davis , 2921 Stockton Blvd, Sacramento, California 95817, United States
| | - Sven H Hausner
- Department of Internal Medicine, Division of Hematology & Oncology, ‡Radiochemistry Research and Training Facility, §Department of Land, Air and Water Resources, ∥USDA-ARS, Department of Viticulture and Enology, ⊥Department of Biomedical Engineering, and #Center for Molecular and Genomic Imaging, University of California-Davis , 2921 Stockton Blvd, Sacramento, California 95817, United States
| | - Sanjai J Parikh
- Department of Internal Medicine, Division of Hematology & Oncology, ‡Radiochemistry Research and Training Facility, §Department of Land, Air and Water Resources, ∥USDA-ARS, Department of Viticulture and Enology, ⊥Department of Biomedical Engineering, and #Center for Molecular and Genomic Imaging, University of California-Davis , 2921 Stockton Blvd, Sacramento, California 95817, United States
| | - Andrew J McElrone
- Department of Internal Medicine, Division of Hematology & Oncology, ‡Radiochemistry Research and Training Facility, §Department of Land, Air and Water Resources, ∥USDA-ARS, Department of Viticulture and Enology, ⊥Department of Biomedical Engineering, and #Center for Molecular and Genomic Imaging, University of California-Davis , 2921 Stockton Blvd, Sacramento, California 95817, United States
| | - Julie L Sutcliffe
- Department of Internal Medicine, Division of Hematology & Oncology, ‡Radiochemistry Research and Training Facility, §Department of Land, Air and Water Resources, ∥USDA-ARS, Department of Viticulture and Enology, ⊥Department of Biomedical Engineering, and #Center for Molecular and Genomic Imaging, University of California-Davis , 2921 Stockton Blvd, Sacramento, California 95817, United States
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14
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Meyer JP, Adumeau P, Lewis JS, Zeglis BM. Click Chemistry and Radiochemistry: The First 10 Years. Bioconjug Chem 2016; 27:2791-2807. [PMID: 27787983 DOI: 10.1021/acs.bioconjchem.6b00561] [Citation(s) in RCA: 159] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The advent of click chemistry has had a profound influence on almost all branches of chemical science. This is particularly true of radiochemistry and the synthesis of agents for positron emission tomography (PET), single photon emission computed tomography (SPECT), and targeted radiotherapy. The selectivity, ease, rapidity, and modularity of click ligations make them nearly ideally suited for the construction of radiotracers, a process that often involves working with biomolecules in aqueous conditions with inexorably decaying radioisotopes. In the following pages, our goal is to provide a broad overview of the first 10 years of research at the intersection of click chemistry and radiochemistry. The discussion will focus on four areas that we believe underscore the critical advantages provided by click chemistry: (i) the use of prosthetic groups for radiolabeling reactions, (ii) the creation of coordination scaffolds for radiometals, (iii) the site-specific radiolabeling of proteins and peptides, and (iv) the development of strategies for in vivo pretargeting. Particular emphasis will be placed on the four most prevalent click reactions-the Cu-catalyzed azide-alkyne cycloaddition (CuAAC), the strain-promoted azide-alkyne cycloaddition (SPAAC), the inverse electron demand Diels-Alder reaction (IEDDA), and the Staudinger ligation-although less well-known click ligations will be discussed as well. Ultimately, it is our hope that this review will not only serve to educate readers but will also act as a springboard, inspiring synthetic chemists and radiochemists alike to harness click chemistry in even more innovative and ambitious ways as we embark upon the second decade of this fruitful collaboration.
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Affiliation(s)
| | - Pierre Adumeau
- Department of Chemistry, Hunter College of the City University of New York , 413 East 69th Street, New York, New York 10028, United States
| | - Jason S Lewis
- Department of Radiology, Weill Cornell Medical College , 520 East 70th Street, New York, New York 10065, United States
| | - Brian M Zeglis
- Department of Chemistry, Hunter College of the City University of New York , 413 East 69th Street, New York, New York 10028, United States.,Department of Radiology, Weill Cornell Medical College , 520 East 70th Street, New York, New York 10065, United States.,Ph.D. Program in Chemistry, The Graduate Center of the City University of New York , 365 5th Avenue, New York, New York 10016, United States
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15
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Davis RA, Lau K, Hausner SH, Sutcliffe JL. Solid-phase synthesis and fluorine-18 radiolabeling of cycloRGDyK. Org Biomol Chem 2016; 14:8659-8663. [PMID: 27714190 PMCID: PMC5111556 DOI: 10.1039/c6ob01636g] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Solid-phase peptide synthesis, head-to-tail cyclization, and subsequent radiolabeling provided a reproducible, simple, rapid synthetic method to generate the cyclic peptide radiotracer cRGDyK([18F]FBA). Herein is reported the first on-resin cyclization and 18F-radiolabeling of a cyclic peptide (cRGDyK) in an overall peptide synthesis yield of 88% (cRGDyK(NH2)) and subsequent radiolabeling yield of 14 ± 2% (decay corrected, n = 4). This approach is generally applicable to the development of an automated process for the synthesis of cyclic radiolabeled peptides for positron emission tomography (PET).
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Affiliation(s)
- Ryan A Davis
- Radiochemistry Research and Training Facility, USA. and Department of Biomedical Engineering, USA and Department of Internal Medicine, Division of Hematology and Oncology, USA
| | - Kevin Lau
- Radiochemistry Research and Training Facility, USA. and Department of Biomedical Engineering, USA
| | - Sven H Hausner
- Radiochemistry Research and Training Facility, USA. and Department of Biomedical Engineering, USA and Department of Internal Medicine, Division of Hematology and Oncology, USA
| | - Julie L Sutcliffe
- Radiochemistry Research and Training Facility, USA. and Department of Biomedical Engineering, USA and Department of Internal Medicine, Division of Hematology and Oncology, USA and Center for Molecular and Genomic Imaging, University of California, Davis, 2921 Stockton Blvd., Sacramento, CA 95817, USA
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16
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Oum YH, Desai TM, Marin M, Melikyan GB. Click labeling of unnatural sugars metabolically incorporated into viral envelope glycoproteins enables visualization of single particle fusion. J Virol Methods 2016; 233:62-71. [PMID: 27033181 DOI: 10.1016/j.jviromet.2016.02.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2016] [Accepted: 02/11/2016] [Indexed: 10/22/2022]
Abstract
Enveloped viruses infect target cells by fusing their membrane with cellular membrane through a process that is mediated by specialized viral glycoproteins. The inefficient and highly asynchronous nature of viral fusion complicates studies of virus entry on a population level. Single virus imaging in living cells has become an important tool for delineating the entry pathways and for mechanistic studies of viral fusion. We have previously demonstrated that incorporation of fluorescent labels into the viral membrane and trapping fluorescent proteins in the virus interior enables the visualization of single virus fusion in living cells. Here, we implement a new approach to non-invasively label the viral membrane glycoproteins through metabolic incorporation of unnatural sugars followed by click-reaction with organic fluorescent dyes. This approach allows for efficient labeling of diverse viral fusion glycoproteins on the surface of HIV pseudoviruses. Incorporation of a content marker into surface-labeled viral particles enables sensitive detection of single virus fusion with live cells.
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Affiliation(s)
- Yoon Hyeun Oum
- Division of Pediatric Infectious Diseases, Emory University School of Medicine, USA
| | - Tanay M Desai
- Division of Pediatric Infectious Diseases, Emory University School of Medicine, USA
| | - Mariana Marin
- Division of Pediatric Infectious Diseases, Emory University School of Medicine, USA
| | - Gregory B Melikyan
- Division of Pediatric Infectious Diseases, Emory University School of Medicine, USA; Children's Healthcare of Atlanta, Atlanta, GA, USA.
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17
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Jedináková P, Šebej P, Slanina T, Klán P, Hlaváč J. Study and application of noncatalyzed photoinduced conjugation of azides and cycloocta-1,2,3-selenadiazoles. Chem Commun (Camb) 2016; 52:4792-5. [DOI: 10.1039/c6cc01789d] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The non-catalyzed cycloaddition of eight structurally different azides with cyclooctyne generated in situ by the photolysis of cycloocta-1,2,3-selenadiazole gives 1,2,3-triazole derivatives as the main products.
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Affiliation(s)
- P. Jedináková
- Institute of Molecular and Translation Medicine
- 779 00 Olomouc
- Czech Republic
| | - P. Šebej
- Department of Chemistry and RECETOX
- Faculty of Science
- Masaryk University
- 625 00 Brno
- Czech Republic
| | - T. Slanina
- Department of Chemistry and RECETOX
- Faculty of Science
- Masaryk University
- 625 00 Brno
- Czech Republic
| | - P. Klán
- Department of Chemistry and RECETOX
- Faculty of Science
- Masaryk University
- 625 00 Brno
- Czech Republic
| | - J. Hlaváč
- Institute of Molecular and Translation Medicine
- 779 00 Olomouc
- Czech Republic
- Department of Organic Chemistry
- Faculty of Science
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18
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Smyslova P, Popa I, Lyčka A, Tejral G, Hlavac J. Non-Catalyzed Click Reactions of ADIBO Derivatives with 5-Methyluridine Azides and Conformational Study of the Resulting Triazoles. PLoS One 2015; 10:e0144613. [PMID: 26673606 PMCID: PMC4690608 DOI: 10.1371/journal.pone.0144613] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Accepted: 11/20/2015] [Indexed: 12/25/2022] Open
Abstract
Copper-free click reactions between a dibenzoazocine derivative and azides derived from 5-methyluridine were investigated. The non-catalyzed reaction yielded both regioisomers in an approximately equivalent ratio. The NMR spectra of each regioisomer revealed conformational isomery. The ratio of isomers was dependent on the type of regioisomer and the type of solvent. The synthesis of various analogs, a detailed NMR study and computational modeling provided evidence that the isomery was dependent on the interaction of the azocine and pyrimidine parts.
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Affiliation(s)
- Petra Smyslova
- Institute of Molecular and Translation Medicine, Olomouc, Czech Republic
- Department of Organic Chemistry, Faculty of Science, Palacký University, Olomouc, Czech Republic
| | - Igor Popa
- Institute of Molecular and Translation Medicine, Olomouc, Czech Republic
| | - Antonín Lyčka
- University of Hradec Kralove, Faculty of Science, Hradec Kralove, Czech Republic
| | - Gracian Tejral
- Institute of Biophysics, Second Faculty of Medicine, Charles University, Praha 5, Czech Republic
- Laboratory of Tissue Engineering, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Praha 4, Czech Republic
| | - Jan Hlavac
- Institute of Molecular and Translation Medicine, Olomouc, Czech Republic
- Department of Organic Chemistry, Faculty of Science, Palacký University, Olomouc, Czech Republic
- * E-mail:
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19
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Sun L, Gai Y, Anderson CJ, Zeng D. Highly-efficient and versatile fluorous-tagged Cu(I)-catalyzed azide-alkyne cycloaddition ligand for preparing bioconjugates. Chem Commun (Camb) 2015; 51:17072-5. [PMID: 26426419 PMCID: PMC4654650 DOI: 10.1039/c5cc06858d] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A novel ligand (FBTTBE) for Cu(i)-catalyzed azide-alkyne cycloaddition (CuAAC) has been developed, which demonstrates not only superior catalytic efficiency but also the ease of removing toxic copper species. FBTTBE has also been successfully applied in the synthesis of radiometal-labeled peptide and antibody without observable transchelation with the non-radioactive Cu(i) catalyst.
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Affiliation(s)
- Lingyi Sun
- Department of Radiology, University of Pittsburgh, 100 Technology Drive, Pittsburgh, PA 15219, USA.
| | - Yongkang Gai
- Department of Radiology, University of Pittsburgh, 100 Technology Drive, Pittsburgh, PA 15219, USA.
| | - Carolyn J Anderson
- Department of Radiology, University of Pittsburgh, 100 Technology Drive, Pittsburgh, PA 15219, USA.
| | - Dexing Zeng
- Department of Radiology, University of Pittsburgh, 100 Technology Drive, Pittsburgh, PA 15219, USA.
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20
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Choi JY, Lee BC. Click Reaction: An Applicable Radiolabeling Method for Molecular Imaging. Nucl Med Mol Imaging 2015; 49:258-67. [PMID: 26550044 DOI: 10.1007/s13139-015-0377-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Revised: 10/01/2015] [Accepted: 10/02/2015] [Indexed: 12/29/2022] Open
Abstract
In recent years, the click reaction has found rapidly growing applications in the field of radiochemistry, ranging from a practical labeling method to molecular imaging of biomacromolecules. This present review details the development of highly reliable, powerful and selective click chemistry reactions for the rapid synthesis of new radiotracers for molecular imaging.
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Affiliation(s)
- Ji Young Choi
- Department of Nuclear Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 300 Gumidong, Bundanggu, Seongnam, 13620 Republic of Korea ; Department of Transdisciplinary Studies, Graduate School of Convergence Science and Technology, Seoul National University, Suwon, 16229 Republic of Korea
| | - Byung Chul Lee
- Department of Nuclear Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 300 Gumidong, Bundanggu, Seongnam, 13620 Republic of Korea ; Advanced Institutes of Convergence Technology, Center for Nanomolecular Imaging and Innovative Drug Development, Suwon, 16229 Republic of Korea
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21
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Sun W, Chu T. In vivo click reaction between Tc-99m-labeled azadibenzocyclooctyne-MAMA and 2-nitroimidazole-azide for tumor hypoxia targeting. Bioorg Med Chem Lett 2015; 25:4453-6. [PMID: 26358160 DOI: 10.1016/j.bmcl.2015.09.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Revised: 08/21/2015] [Accepted: 09/04/2015] [Indexed: 12/27/2022]
Abstract
The bioactivity of nitroimidazole in Tc-99m-labeled 2-nitroimidazole, a traditional solid tumor hypoxia-imaging agent for single photon emission computed tomography (SPECT), is reduced by the presence of large ligand and metallic radionuclide, exhibiting lower tumor-to-nontumor ratios. In an effort to solve this general problem, a pretargeting strategy based on click chemistry (strain-promoted cyclooctyne-azide cycloaddition) was applied. The functional click synthons were synthesized as pretargeting components: an azide group linked to 2-nitroimidazole (2NIM-Az) serves for tumor hypoxia-targeting and azadibenzocyclooctyne conjugated with monoamine monoamide dithiol ligand (AM) functions as radiolabeling and binding group to azides in vivo. 2NIM-triazole-MAMA was obtained from in vitro click reaction with a reaction rate constant of 0.98M(-1)s(-1). AM and 2NIM-triazole-MAMA were radiolabeled with Tc-99m. The hypoxia-pretargeting biodistribution was studied in Kunming mice bearing S180 tumor; (99m)Tc-AM and (99m)Tc-triazole-2NIM were used as blank control and conventional control. Compared to the control groups, the pretargeting experiment exhibits the best radio-uptake and retention in tumor, with higher tumor-to-muscle and tumor-to-blood ratios (up to 8.55 and 1.44 at 8h post-(99m)Tc-complex-injection, respectively). To some extent, the pretargeting strategy protects the bioactivity of nitroimidazole and therefore provides an innovative approach for the development of tumor hypoxia-SPECT imaging agents.
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Affiliation(s)
- Wenjing Sun
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Taiwei Chu
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.
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22
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Bioorthogonal click chemistry for fluorine-18 labeling protocols under physiologically friendly reaction condition. J Fluor Chem 2015. [DOI: 10.1016/j.jfluchem.2014.11.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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23
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Kim HL, Sachin K, Jeong HJ, Choi W, Lee HS, Kim DW. F-18 Labeled RGD Probes Based on Bioorthogonal Strain-Promoted Click Reaction for PET Imaging. ACS Med Chem Lett 2015; 6:402-7. [PMID: 25893040 DOI: 10.1021/ml500464f] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Accepted: 02/06/2015] [Indexed: 01/19/2023] Open
Abstract
A series of fluorine-substituted monomeric and dimeric cRGD peptide derivatives, such as cRGD-ADIBOT-F (ADIBOT = azadibenzocyclooctatriazole), di-cRGD-ADIBOT-F, cRGD-PEG5-ADIBOT-F, and di-cRGD-PEG5-ADIBOT-F, were prepared by strain-promoted alkyne azide cycloaddition (SPAAC) reaction of the corresponding aza-dibenzocyclooctyne (ADIBO) substituted peptides with a fluorinated azide 3. Among these cRGD derivatives, di-cRGD-PEG5-ADIBOT-F had the highest binding affinity in a competitive binding assay compared to other derivatives and even the original cRGDyk. On the basis of the in vitro study results, di-cRGD-PEG5-ADIBOT-(18)F was prepared from a SPAAC reaction with (18)F-labeled azide and subsequent chemo-orthogonal scavenger-assisted separation without high performance liquid chromatography (HPLC) purification in 92% decay-corrected radiochemical yield (dcRCY) with high specific activity for further in vivo positron emission tomography (PET) imaging study. In vivo PET imaging study and biodistribution data showed that this radiotracer allowed successful visualization of tumors with good tumor-to-background contrast and significantly higher tumor uptake compared to other major organs.
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Affiliation(s)
- Hye Lan Kim
- Department of Nuclear
Medicine, Chonbuk National University Medical School, Jeonju, Jeonbuk 561-712, Korea
| | - Kalme Sachin
- Department of Nuclear
Medicine, Chonbuk National University Medical School, Jeonju, Jeonbuk 561-712, Korea
| | - Hyeon Jin Jeong
- Department of Chemistry and Chemical Engineering, Inha University, 100 Inha-ro, Nam-gu, Incheon 402-751, Korea
| | - Wonsil Choi
- Department of Chemistry and Chemical Engineering, Inha University, 100 Inha-ro, Nam-gu, Incheon 402-751, Korea
| | - Hyun Soo Lee
- Department
of Chemistry, Sogang University, Seoul 121-742, Korea
| | - Dong Wook Kim
- Department of Chemistry and Chemical Engineering, Inha University, 100 Inha-ro, Nam-gu, Incheon 402-751, Korea
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24
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Jacobson O, Kiesewetter DO, Chen X. Fluorine-18 radiochemistry, labeling strategies and synthetic routes. Bioconjug Chem 2014; 26:1-18. [PMID: 25473848 PMCID: PMC4306521 DOI: 10.1021/bc500475e] [Citation(s) in RCA: 313] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Fluorine-18 is the most frequently used radioisotope in positron emission tomography (PET) radiopharmaceuticals in both clinical and preclinical research. Its physical and nuclear characteristics (97% β(+) decay, 109.7 min half-life, 635 keV positron energy), along with high specific activity and ease of large scale production, make it an attractive nuclide for radiochemical labeling and molecular imaging. Versatile chemistry including nucleophilic and electrophilic substitutions allows direct or indirect introduction of (18)F into molecules of interest. The significant increase in (18)F radiotracers for PET imaging accentuates the need for simple and efficient (18)F-labeling procedures. In this review, we will describe the current radiosynthesis routes and strategies for (18)F labeling of small molecules and biomolecules.
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Affiliation(s)
- Orit Jacobson
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health , Bethesda, Maryland 20892, United States
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25
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Airoldi C, Mourtas S, Cardona F, Zona C, Sironi E, D'Orazio G, Markoutsa E, Nicotra F, Antimisiaris SG, La Ferla B. Nanoliposomes presenting on surface a cis-glycofused benzopyran compound display binding affinity and aggregation inhibition ability towards Amyloid β1-42 peptide. Eur J Med Chem 2014; 85:43-50. [DOI: 10.1016/j.ejmech.2014.07.085] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Revised: 07/04/2014] [Accepted: 07/23/2014] [Indexed: 11/17/2022]
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26
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18F-labeling using click cycloadditions. BIOMED RESEARCH INTERNATIONAL 2014; 2014:361329. [PMID: 25003110 PMCID: PMC4070495 DOI: 10.1155/2014/361329] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2014] [Revised: 04/29/2014] [Accepted: 05/01/2014] [Indexed: 12/14/2022]
Abstract
Due to expanding applications of positron emission tomography (PET) there is a demand for developing new techniques to introduce fluorine-18 (t1/2 = 109.8 min). Considering that most novel PET tracers are sensitive biomolecules and that direct introduction of fluorine-18 often needs harsh conditions, the insertion of 18F in those molecules poses an exceeding challenge. Two major challenges during 18F-labeling are a regioselective introduction and a fast and high yielding way under mild conditions. Furthermore, attention has to be paid to functionalities, which are usually present in complex structures of the target molecule. The Cu-catalyzed azide-alkyne cycloaddition (CuAAC) and several copper-free click reactions represent such methods for radiolabeling of sensitive molecules under the above-mentioned criteria. This minireview will provide a quick overview about the development of novel 18F-labeled prosthetic groups for click cycloadditions and will summarize recent trends in copper-catalyzed and copper-free click 18F-cycloadditions.
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27
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Synthesis of [64Cu]DOTA-ADIBON3-Ala-PEG28-A20FMDV2 via copper-free click chemistry for PET imaging of integrin αvβ6. J Radioanal Nucl Chem 2014. [DOI: 10.1007/s10967-014-3197-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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28
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Knight JC, Cornelissen B. Bioorthogonal chemistry: implications for pretargeted nuclear (PET/SPECT) imaging and therapy. AMERICAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING 2014; 4:96-113. [PMID: 24753979 PMCID: PMC3992206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 09/23/2013] [Accepted: 12/06/2013] [Indexed: 06/03/2023]
Abstract
Due to their rapid and highly selective nature, bioorthogonal chemistry reactions are attracting a significant amount of recent interest in the radiopharmaceutical community. Over the last few years, reactions of this type have found tremendous utility in the construction of new radiopharmaceuticals and as a method of bioconjugation. Furthermore, reports are beginning to emerge in which these reactions are also being applied in vivo to facilitate a novel pretargeting strategy for the imaging and therapy of cancer. The successful implementation of such an approach could lead to dramatic improvements in image quality, therapeutic index, and reduced radiation dose to non-target organs and tissues. This review will focus on the potential of various bioorthogonal chemistry reactions to be used successfully in such an approach.
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Affiliation(s)
- James C Knight
- CR-UK/MRC Gray Institute for Radiation Oncology and Biology, University of OxfordOxford, OX3 7LJ, United Kingdom
- Radiobiology Research Institute, Churchill HospitalOxford, OX3 7LJ, United Kingdom
| | - Bart Cornelissen
- CR-UK/MRC Gray Institute for Radiation Oncology and Biology, University of OxfordOxford, OX3 7LJ, United Kingdom
- Radiobiology Research Institute, Churchill HospitalOxford, OX3 7LJ, United Kingdom
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29
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Liu Z, Hundal-Jabal N, Wong M, Yapp D, Lin KS, Bénard F, Perrin DM. A new18F-heteroaryltrifluoroborate radio-prosthetic with greatly enhanced stability that is labelled by18F–19F-isotope exchange in good yield at high specific activity. MEDCHEMCOMM 2014. [DOI: 10.1039/c3md00328k] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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30
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Hagendorn T, Bräse S. A new route to dithia- and thiaoxacyclooctynes via Nicholas reaction. RSC Adv 2014. [DOI: 10.1039/c4ra01345j] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
By using the Nicholas reaction we managed to design a concise synthesis that only uses three steps to build the eight-membered ring. It was also possible to functionalize said alkyne with a fluorophore.
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Affiliation(s)
- Tobias Hagendorn
- Institute of Organic Chemistry
- Karlsruhe Institute of Technology
- 76131 Karlsruhe, Germany
| | - Stefan Bräse
- Institute of Organic Chemistry
- Karlsruhe Institute of Technology
- 76131 Karlsruhe, Germany
- Institute of Toxicology and Genetics
- KIT
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31
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Single step 18F-labeling of dimeric cycloRGD for functional PET imaging of tumors in mice. Nucl Med Biol 2013; 40:959-66. [PMID: 24090672 DOI: 10.1016/j.nucmedbio.2013.08.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2013] [Revised: 07/31/2013] [Accepted: 08/01/2013] [Indexed: 12/20/2022]
Abstract
INTRODUCTION Arylboronates afford rapid aqueous (18)F-labeling via the creation of a highly polar (18)F-aryltrifluoroborate anion ((18)F-ArBF3(-)). HYPOTHESIS Radiosynthesis of an (18)F-ArBF3(-) can be successfully applied to a clinically relevant peptide. To test this hypothesis, we labeled dimeric-cylcoRGD, [c(RGDfK)]2E because a) it is molecularly complex and provides a challenging substrate to test the application of this technique, and b) [c(RGDfK)]2E has already been labeled via several (18)F-labeling methods which provide for a preliminary comparison. GOAL To validate this labeling method in the context of a complex and clinically relevant tracer to show tumor-specific uptake ex vivo with representative PET images in vivo. METHODS An arylborimidine was conjugated to [c(RGDfK)]2E to give the precursor [c(RGDfK)]2E-ArB(dan), which was aliquoted and stored at -20 °C. Aliquots of 10 or 25 nmol, containing only micrograms of precursor, were labeled using relatively low levels of (18)F-activity. Following purification eight mice (pre-blocked/unblocked) with U87M xenograft tumors were injected with [c(RGDfK)]2E-(18)F-ArBF3(-) (n = 4) for ex vivo tissue dissection. Two sets of mice (pre-blocked/unblocked) were also imaged with PET-CT (n = 2). RESULTS The [c(RGDfK)]2E-ArB(dan) is converted within 15 min to [c(RGDfK)]2E-(18)F-ArBF3(-) in isolated radiochemical yields of ~10% (n = 3) at a minimum effective specific activity of 0.3 Ci/μmol. Biodistribution shows rapid clearance to the bladder via the kidney resulting in high tumor-to-blood and tumor-to-muscle ratios of >9 and >6 respectively while pre-blocking with [c(RGDfK)]2E showed high tumor specificity. PET imaging showed good contrast between tumor and non-target tissues confirming the biodistribution data. CONCLUSION An arylborimidine-RGD peptide is rapidly (18)F-labeled in one step, in good yield, at useful specific activity. Biodistribution studies with blocking controls show tumor specificity, which is corroborated by PET images. Advances in Knowledge and Implications for patient Care: Despite many antecedent examples of labeled RGD tracers, this work is the first to show direct aqueous labeling of bisRGD with an (18)F-ArBF3(-). Labeling occurs in near record rapidity (45 min) at useful effective specific activities and competitive yields for high contrast tumor specific images. As bisRGD has been imaged in humans with several prosthetics, this work suggests potential clinical applications of tracers appended with an (18)F-ArBF3(-). More generally, the ability to label a molecularly complex tracer suggests that this method could be useful to label many other peptides. Furthermore, these results portend the development of kits that use only microgram quantities of lyophilized precursor for on demand labeling. The ability to perform one-step aqueous labeling in under an hour to provide tracers with high T:NT ratios has important implications for developing radiotracers for use in fundamental research and in preclinical tracer studies.
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Recent trends in bioorthogonal click-radiolabeling reactions using fluorine-18. Molecules 2013; 18:8618-65. [PMID: 23881051 PMCID: PMC6270032 DOI: 10.3390/molecules18078618] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Revised: 07/11/2013] [Accepted: 07/15/2013] [Indexed: 12/18/2022] Open
Abstract
The increasing application of positron emission tomography (PET) in nuclear medicine has stimulated the extensive development of a multitude of novel and versatile bioorthogonal conjugation techniques especially for the radiolabeling of biologically active high molecular weight compounds like peptides, proteins or antibodies. Taking into consideration that the introduction of fluorine-18 (t(1/2) = 109.8 min) proceeds under harsh conditions, radiolabeling of these biologically active molecules represents an outstanding challenge and is of enormous interest. Special attention has to be paid to the method of 18F-introduction. It should proceed in a regioselective manner under mild physiological conditions, in an acceptable time span, with high yields and high specific activities. For these reasons and due to the high number of functional groups found in these compounds, a specific labeling procedure has to be developed for every bioactive macromolecule. Bioorthogonal strategies including the Cu-assisted Huisgen cycloaddition and its copper-free click variant, both Staudinger Ligations or the tetrazine-click reaction have been successfully applied and represent valuable alternatives for the selective introduction of fluorine-18 to overcome the afore mentioned obstacles. This comprehensive review deals with the progress and illustrates the latest developments in the field of bioorthogonal labeling with the focus on the preparation of radiofluorinated building blocks and tracers for molecular imaging.
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Smith G, Carroll L, Aboagye EO. New frontiers in the design and synthesis of imaging probes for PET oncology: current challenges and future directions. Mol Imaging Biol 2013; 14:653-66. [PMID: 22948535 DOI: 10.1007/s11307-012-0590-y] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Despite being developed over 30 years ago, 2-deoxy-2-[(18)F]fluoro-D-glucose remains the most frequently used radiotracer in PET oncology. In the last decade, interest in new and more specific radiotracers for imaging biological processes of oncologic interest has increased exponentially. This review summarizes the strategies underlying the development of those probes together with their validation and status of clinical translation; a brief summary of new radiochemistry strategies applicable to PET imaging is also included. The article finishes with a consideration of the challenges imaging scientists must overcome to bring about increased adoption of PET as a diagnostic or pharmacologic tool.
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Affiliation(s)
- Graham Smith
- Post-Graduate Medical Institute, University of Hull, Cottingham Road, Hull, HU6 7RX, UK
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Herth MM, Andersen VL, Lehel S, Madsen J, Knudsen GM, Kristensen JL. Development of a (11)C-labeled tetrazine for rapid tetrazine-trans-cyclooctene ligation. Chem Commun (Camb) 2013; 49:3805-7. [PMID: 23535705 DOI: 10.1039/c3cc41027g] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Tetrazine-trans-cyclooctene ligations are remarkably fast and selective reactions even at low micro-molar concentrations. In bioorthogonal radiochemistry, tools that enable conjugation of radioactive probes to pre-targeted vectors are of great interest. Herein, we describe the successful development of the first (11)C-labelled tetrazine and its reaction with trans-cyclooctenol.
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Affiliation(s)
- Matthias M Herth
- Center for Integrated Molecular Brain Imaging, Rigshospitalet and University of Copenhagen, Blegdamsvej 9, DK-2100 Copenhagen, Denmark.
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1-Thiacyclooct-4-yne (=5,6-Didehydro-3,4,7,8-tetrahydro-2H-thiocin), and Its Sulfoxide and Its Sulfone. Helv Chim Acta 2013. [DOI: 10.1002/hlca.201200260] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Hausner SH, Carpenter RD, Bauer N, Sutcliffe JL. Evaluation of an integrin αvβ6-specific peptide labeled with [18F]fluorine by copper-free, strain-promoted click chemistry. Nucl Med Biol 2013; 40:233-9. [DOI: 10.1016/j.nucmedbio.2012.10.007] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Accepted: 10/10/2012] [Indexed: 01/20/2023]
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Li Y, Liu Z, Harwig CW, Pourghiasian M, Lau J, Lin KS, Schaffer P, Benard F, Perrin DM. (18)F-click labeling of a bombesin antagonist with an alkyne-(18)F-ArBF(3) (-): in vivo PET imaging of tumors expressing the GRP-receptor. AMERICAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING 2013; 3:57-70. [PMID: 23342301 PMCID: PMC3545365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Accepted: 12/10/2012] [Indexed: 06/01/2023]
Abstract
A clickable alkyne-modified arylborimidine is rapidly converted in 15 minutes to a highly polar (18)F-aryltrifluoroborate anion ((18)F-ArBF(3) (-)) at high specific activity. Following labeling, the alkyne-(18)F-ArBF(3) (-) was conjugated to the peptide bombesin (BBN) within 25 minutes in a second step without need for prior work-up making this one-pot-two-step method easy, user-friendly, and generally applicable. Bombesin was chosen to provide functional PET images of prostate cancer xenografts in mice of which there are few. Whereas BBN is labeled to provide some of the first in vivo tumor images based on this technique, click-labeling is recognized for its generality and broad substrate scope. Hence these results are likely to be useful for click labeling most peptides and other biomolecules.
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Affiliation(s)
- Ying Li
- Chemistry Department, 2036 Main Mall, University of British ColumbiaVancouver, B.C., Canada V6T-1Z1
| | - Zhibo Liu
- Chemistry Department, 2036 Main Mall, University of British ColumbiaVancouver, B.C., Canada V6T-1Z1
| | - Curtis W Harwig
- Chemistry Department, 2036 Main Mall, University of British ColumbiaVancouver, B.C., Canada V6T-1Z1
| | - Maral Pourghiasian
- BC Cancer Agency - Vancouver Centre, Centre for Functional Imaging600 West 10th Avenue, Vancouver, B.C. Canada V5Z-4E6
| | - Joseph Lau
- BC Cancer Agency - Vancouver Centre, Centre for Functional Imaging600 West 10th Avenue, Vancouver, B.C. Canada V5Z-4E6
| | - Kuo-Shyan Lin
- BC Cancer Agency - Vancouver Centre, Centre for Functional Imaging600 West 10th Avenue, Vancouver, B.C. Canada V5Z-4E6
| | - Paul Schaffer
- Triumf4004 Wesbrook Mall, Vancouver, B.C. Canada V6T-2A3
| | - Francois Benard
- BC Cancer Agency - Vancouver Centre, Centre for Functional Imaging600 West 10th Avenue, Vancouver, B.C. Canada V5Z-4E6
| | - David M Perrin
- Chemistry Department, 2036 Main Mall, University of British ColumbiaVancouver, B.C., Canada V6T-1Z1
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Sachin K, Jadhav VH, Kim EM, Kim HL, Lee SB, Jeong HJ, Lim ST, Sohn MH, Kim DW. F-18 labeling protocol of peptides based on chemically orthogonal strain-promoted cycloaddition under physiologically friendly reaction conditions. Bioconjug Chem 2012; 23:1680-6. [PMID: 22770524 DOI: 10.1021/bc3002425] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We introduce the high-throughput synthesis of various (18)F-labeled peptide tracers by a straightforward (18)F-labeling protocol based on a chemo-orthogonal strain-promoted alkyne azide cycloaddition (SPAAC) using aza-dibenzocyclootyne-substituted peptides as precursors with (18)F-azide synthon to develop peptide based positron emission tomography (PET) molecular imaging probes. The SPAAC reaction and subsequent chemo-orthogonal purification reaction with azide resin proceeded quickly and selectively under physiologically friendly reaction conditions (i.e., toxic chemical reagents-free, aqueous medium, room temperature, and pH ≈7), and provided four (18)F-labeled tumor targetable bioactive peptides such as cyclic Arg-Gly-Asp (cRGD) peptide, bombesin (BBN), c-Met binding peptide (cMBP), and apoptosis targeting peptide (ApoPep) in high radiochemical yields as direct injectable solutions without any HPLC purification and/or formulation processes. In vitro binding assay and in vivo PET molecular imaging study using the (18)F-labeled cRGD peptide also demonstrated a successful application of our (18)F-labeling protocol.
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Affiliation(s)
- Kalme Sachin
- Department of Nuclear Medicine, Cyclotron Research Center, Research Institute of Clinical Medicine, Chonbuk National University Medical School, Jeonju, Jeonbuk 561-712, Korea
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