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Cong GZ, Ghosh KK, Mishra S, Gulyás M, Kovács T, Máthé D, Padmanabhan P, Gulyás B. Targeted pancreatic beta cell imaging for early diagnosis. Eur J Cell Biol 2020; 99:151110. [PMID: 33070042 DOI: 10.1016/j.ejcb.2020.151110] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 06/29/2020] [Accepted: 07/22/2020] [Indexed: 12/12/2022] Open
Abstract
Pancreatic beta cells are important in blood glucose level regulation. As type 1 and 2 diabetes are getting prevalent worldwide, we need to explore new methods for early detection of beta cell-related afflictions. Using bioimaging techniques to measure beta cell mass is crucial because a decrease in beta cell density is seen in diseases such as diabetes and thus can be a new way of diagnosis for such diseases. We also need to appraise beta cell purity in transplanted islets for type 1 diabetes patients. Sufficient amount of functional beta cells must also be determined before being transplanted to the patients. In this review, indirect imaging of beta cells will be discussed. This includes membrane protein on pancreatic beta cells whereby specific probes are designed for different imaging modalities mainly magnetic resonance imaging, positron emission tomography and fluorescence imaging. Direct imaging of insulin is also explored though probes synthesized for such function are relatively fewer. The path for successful pancreatic beta cell imaging is fraught with challenges like non-specific binding, lack of beta cell-restricted targets, the requirement of probes to cross multiple lipid layers to bind to intracellular insulin. Hence, there is an urgent need to develop new imaging techniques and innovative probing constructs in the entire imaging chain of bioengineering to provide early detection of beta cell-related pathology.
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Affiliation(s)
- Goh Zheng Cong
- Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921, Singapore
| | - Krishna Kanta Ghosh
- Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921, Singapore
| | - Sachin Mishra
- Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921, Singapore
| | - Miklós Gulyás
- Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University, Dag Hammarskölds väg 20, Uppsala Se-751 85, Sweden
| | - Tibor Kovács
- Institute of Radiochemistry and Radioecology, University of Pannonia, Egyetem u. 10, H-8200 Veszprém, Hungary
| | - Domokos Máthé
- Department of Biophysics and Radiation Biology, Semmelweis University Faculty of Medicine, Tűzoltó u. 37-47, Budapest H-1094, Hungary
| | - Parasuraman Padmanabhan
- Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921, Singapore.
| | - Balázs Gulyás
- Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921, Singapore.
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Pauton M, Aubert C, Bluet G, Gruss-Leleu F, Roy S, Perrio C. Development, Optimization, and Scope of the Radiosynthesis of 3/5-[18F]Fluoropyridines from Readily Prepared Aryl(pyridinyl) Iodonium Salts: The Importance of TEMPO and K2CO3. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.9b00021] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Mathilde Pauton
- Normandie Univ, UNICAEN, CEA, CNRS, ISTCT UMR 6030, LDM-TEP, Cyceron, Boulevard Henri Becquerel, 14000 Caen, France
- Sanofi R&D, 13 Quai Jules Guesde, 94403 Vitry sur Seine Cedex, France
| | - Catherine Aubert
- Sanofi R&D, 13 Quai Jules Guesde, 94403 Vitry sur Seine Cedex, France
| | - Guillaume Bluet
- Sanofi R&D, 13 Quai Jules Guesde, 94403 Vitry sur Seine Cedex, France
| | | | - Sébastien Roy
- Sanofi R&D, 13 Quai Jules Guesde, 94403 Vitry sur Seine Cedex, France
| | - Cécile Perrio
- Normandie Univ, UNICAEN, CEA, CNRS, ISTCT UMR 6030, LDM-TEP, Cyceron, Boulevard Henri Becquerel, 14000 Caen, France
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Löser R, Bader M, Kuchar M, Wodtke R, Lenk J, Wodtke J, Kuhne K, Bergmann R, Haase-Kohn C, Urbanová M, Steinbach J, Pietzsch J. Synthesis, 18F-labelling and radiopharmacological characterisation of the C-terminal 30mer of Clostridium perfringens enterotoxin as a potential claudin-targeting peptide. Amino Acids 2018; 51:219-244. [PMID: 30264172 DOI: 10.1007/s00726-018-2657-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 09/17/2018] [Indexed: 12/26/2022]
Abstract
The cell surface receptor claudin-4 (Cld-4) is upregulated in various tumours and represents an important emerging target for both diagnosis and treatment of solid tumours of epithelial origin. The C-terminal fragment of the Clostridium perfringens enterotoxin cCPE290-319 appears as a suitable ligand for targeting Cld-4. The synthesis of this 30mer peptide was attempted via several approaches, which has revealed sequential SPPS using three pseudoproline dipeptide building blocks to be the most efficient one. Labelling with fluorine-18 was achieved on solid phase using N-succinimidyl 4-[18F]fluorobenzoate ([18F]SFB) and 4-[18F]fluorobenzoyl chloride as 18F-acylating agents, which was the most advantageous when [18F]SFB was reacted with the resin-bound 30mer containing an N-terminal 6-aminohexanoic spacer. Binding to Cld-4 was demonstrated via surface plasmon resonance using a protein construct containing both extracellular loops of Cld-4. In addition, cell binding experiments were performed for 18F-labelled cCPE290-319 with the Cld-4 expressing tumour cell lines HT-29 and A431 that were complemented by fluorescence microscopy studies using the corresponding fluorescein isothiocyanate-conjugated peptide. The 30mer peptide proved to be sufficiently stable in blood plasma. Studying the in vivo behaviour of 18F-labelled cCPE290-319 in healthy mice and rats by dynamic PET imaging and radiometabolite analyses has revealed that the peptide is subject to substantial liver uptake and rapid metabolic degradation in vivo, which limits its suitability as imaging probe for tumour-associated Cld-4.
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Affiliation(s)
- Reik Löser
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden Rossendorf, Bautzner Landstraße 400, 01328, Dresden, Germany.
- Faculty of Chemistry and Food Chemistry, School of Science, Technische Universität Dresden, Mommsenstraße 4, 01062, Dresden, Germany.
| | - Miriam Bader
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden Rossendorf, Bautzner Landstraße 400, 01328, Dresden, Germany
- Faculty of Chemistry and Food Chemistry, School of Science, Technische Universität Dresden, Mommsenstraße 4, 01062, Dresden, Germany
| | - Manuela Kuchar
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden Rossendorf, Bautzner Landstraße 400, 01328, Dresden, Germany
- Faculty of Chemistry and Food Chemistry, School of Science, Technische Universität Dresden, Mommsenstraße 4, 01062, Dresden, Germany
| | - Robert Wodtke
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden Rossendorf, Bautzner Landstraße 400, 01328, Dresden, Germany
- Faculty of Chemistry and Food Chemistry, School of Science, Technische Universität Dresden, Mommsenstraße 4, 01062, Dresden, Germany
| | - Jens Lenk
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden Rossendorf, Bautzner Landstraße 400, 01328, Dresden, Germany
- Faculty of Chemistry and Food Chemistry, School of Science, Technische Universität Dresden, Mommsenstraße 4, 01062, Dresden, Germany
| | - Johanna Wodtke
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden Rossendorf, Bautzner Landstraße 400, 01328, Dresden, Germany
| | - Konstantin Kuhne
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden Rossendorf, Bautzner Landstraße 400, 01328, Dresden, Germany
- Faculty of Chemistry and Food Chemistry, School of Science, Technische Universität Dresden, Mommsenstraße 4, 01062, Dresden, Germany
| | - Ralf Bergmann
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden Rossendorf, Bautzner Landstraße 400, 01328, Dresden, Germany
| | - Cathleen Haase-Kohn
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden Rossendorf, Bautzner Landstraße 400, 01328, Dresden, Germany
| | - Marie Urbanová
- Department of Physics and Measurements, University of Chemistry and Technology, 166 28, Prague, Czech Republic
| | - Jörg Steinbach
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden Rossendorf, Bautzner Landstraße 400, 01328, Dresden, Germany
- Faculty of Chemistry and Food Chemistry, School of Science, Technische Universität Dresden, Mommsenstraße 4, 01062, Dresden, Germany
| | - Jens Pietzsch
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden Rossendorf, Bautzner Landstraße 400, 01328, Dresden, Germany
- Faculty of Chemistry and Food Chemistry, School of Science, Technische Universität Dresden, Mommsenstraße 4, 01062, Dresden, Germany
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Albu SA, Al-Karmi SA, Vito A, Dzandzi JPK, Zlitni A, Beckford-Vera D, Blacker M, Janzen N, Patel RM, Capretta A, Valliant JF. (125)I-Tetrazines and Inverse-Electron-Demand Diels-Alder Chemistry: A Convenient Radioiodination Strategy for Biomolecule Labeling, Screening, and Biodistribution Studies. Bioconjug Chem 2016; 27:207-16. [PMID: 26699913 DOI: 10.1021/acs.bioconjchem.5b00609] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A convenient method to prepare radioiodinated tetrazines was developed, such that a bioorthogonal inverse electron demand Diels-Alder reaction can be used to label biomolecules with iodine-125 for in vitro screening and in vivo biodistribution studies. The tetrazine was prepared by employing a high-yielding oxidative halo destannylation reaction that concomitantly oxidized the dihydrotetrazine precursor. The product reacts quickly and efficiently with trans-cyclooctene derivatives. Utility was demonstrated through antibody and hormone labeling experiments and by evaluating products using standard analytical methods, in vitro assays, and quantitative biodistribution studies where the latter was performed in direct comparison to Bolton-Hunter and direct iodination methods. The approach described provides a convenient and advantageous alternative to conventional protein iodination methods that can expedite preclinical development and evaluation of biotherapeutics.
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Affiliation(s)
- Silvia A Albu
- Department of Chemistry and Chemical Biology and ‡Centre for Probe Development and Commercialization, McMaster University , 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
| | - Salma A Al-Karmi
- Department of Chemistry and Chemical Biology and ‡Centre for Probe Development and Commercialization, McMaster University , 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
| | - Alyssa Vito
- Department of Chemistry and Chemical Biology and ‡Centre for Probe Development and Commercialization, McMaster University , 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
| | - James P K Dzandzi
- Department of Chemistry and Chemical Biology and ‡Centre for Probe Development and Commercialization, McMaster University , 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
| | - Aimen Zlitni
- Department of Chemistry and Chemical Biology and ‡Centre for Probe Development and Commercialization, McMaster University , 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
| | - Denis Beckford-Vera
- Department of Chemistry and Chemical Biology and ‡Centre for Probe Development and Commercialization, McMaster University , 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
| | - Megan Blacker
- Department of Chemistry and Chemical Biology and ‡Centre for Probe Development and Commercialization, McMaster University , 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
| | - Nancy Janzen
- Department of Chemistry and Chemical Biology and ‡Centre for Probe Development and Commercialization, McMaster University , 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
| | - Ramesh M Patel
- Department of Chemistry and Chemical Biology and ‡Centre for Probe Development and Commercialization, McMaster University , 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
| | - Alfredo Capretta
- Department of Chemistry and Chemical Biology and ‡Centre for Probe Development and Commercialization, McMaster University , 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
| | - John F Valliant
- Department of Chemistry and Chemical Biology and ‡Centre for Probe Development and Commercialization, McMaster University , 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
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