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Abstract
The term "click chemistry" describes a class of organic transformations that were developed to make chemical synthesis simpler and easier, in essence allowing chemists to combine molecular subunits as if they were puzzle pieces. Over the last 25 years, the click chemistry toolbox has swelled from the canonical copper-catalyzed azide-alkyne cycloaddition to encompass an array of ligations, including bioorthogonal variants, such as the strain-promoted azide-alkyne cycloaddition and the inverse electron-demand Diels-Alder reaction. Without question, the rise of click chemistry has impacted all areas of chemical and biological science. Yet the unique traits of radiopharmaceutical chemistry have made it particularly fertile ground for this technology. In this update, we seek to provide a comprehensive guide to recent developments at the intersection of click chemistry and radiopharmaceutical chemistry and to illuminate several exciting trends in the field, including the use of emergent click transformations in radiosynthesis, the clinical translation of novel probes synthesized using click chemistry, and the advent of click-based in vivo pretargeting.
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Affiliation(s)
- David Bauer
- Department
of Radiology, Memorial Sloan Kettering Cancer
Center, New York, New York 10021, United States
| | - Mike A. Cornejo
- Department
of Radiology, Memorial Sloan Kettering Cancer
Center, New York, New York 10021, United States
- Department
of Chemistry, Hunter College, City University
of New York, New York, New York 10065, United States
- Ph.D.
Program in Chemistry, Graduate Center of
the City University of New York, New York, New York 10016, United States
| | - Tran T. Hoang
- Department
of Radiology, Memorial Sloan Kettering Cancer
Center, New York, New York 10021, United States
- Department
of Pharmacology, Weill Cornell Medical College, New York, New York 10065, United States
| | - Jason S. Lewis
- Department
of Radiology, Memorial Sloan Kettering Cancer
Center, New York, New York 10021, United States
- Department
of Radiology, Weill Cornell Medical College, New York 10021, New York United States
| | - Brian M. Zeglis
- Department
of Radiology, Memorial Sloan Kettering Cancer
Center, New York, New York 10021, United States
- Department
of Chemistry, Hunter College, City University
of New York, New York, New York 10065, United States
- Ph.D.
Program in Chemistry, Graduate Center of
the City University of New York, New York, New York 10016, United States
- Department
of Pharmacology, Weill Cornell Medical College, New York, New York 10065, United States
- Department
of Radiology, Weill Cornell Medical College, New York 10021, New York United States
- Ph.D.
Program
in Biochemistry, Graduate Center of the
City University of New York, New
York, New York 10016, United States
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2
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Gori A, Lodigiani G, Colombarolli SG, Bergamaschi G, Vitali A. Cell Penetrating Peptides: Classification, Mechanisms, Methods of Study, and Applications. ChemMedChem 2023; 18:e202300236. [PMID: 37389978 DOI: 10.1002/cmdc.202300236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 06/28/2023] [Accepted: 06/28/2023] [Indexed: 07/02/2023]
Abstract
Cell-penetrating peptides (CPPs) encompass a class of peptides that possess the remarkable ability to cross cell membranes and deliver various types of cargoes, including drugs, nucleic acids, and proteins, into cells. For this reason, CPPs are largely investigated in drug delivery applications in the context of many diseases, such as cancer, diabetes, and genetic disorders. While sharing this functionality and some common structural features, such as a high content of positively charged amino acids, CPPs represent an extremely diverse group of elements, which can differentiate under many aspects. In this review, we summarize the most common characteristics of CPPs, introduce their main distinctive features, mechanistic aspects that drive their function, and outline the most widely used techniques for their structural and functional studies. We highlight current gaps and future perspectives in this field, which have the potential to significantly impact the future field of drug delivery and therapeutics.
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Affiliation(s)
- Alessandro Gori
- SCITEC - Istituto di Scienze e Tecnologie Chimiche "Giulio Natta", National Research Council of Italy, Via Mario Bianco 9, 20131, Milano, Italy
| | - Giulia Lodigiani
- SCITEC - Istituto di Scienze e Tecnologie Chimiche "Giulio Natta", National Research Council of Italy, Via Mario Bianco 9, 20131, Milano, Italy
| | - Stella G Colombarolli
- Istituto di Scienze e Tecnologie Chimiche "Giulio Natta", National Research Council of Italy, L.go F. Vito 1, 00168, Roma, Italy
| | - Greta Bergamaschi
- SCITEC - Istituto di Scienze e Tecnologie Chimiche "Giulio Natta", National Research Council of Italy, Via Mario Bianco 9, 20131, Milano, Italy
| | - Alberto Vitali
- Istituto di Scienze e Tecnologie Chimiche "Giulio Natta", National Research Council of Italy, L.go F. Vito 1, 00168, Roma, Italy
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3
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Furukawa T, Kimura H, Sasaki M, Yamada T, Iwasawa T, Yagi Y, Kato K, Yasui H. Novel [ 111 In]In-BnDTPA-EphA2-230-1 Antibody for Single-Photon Emission Computed Tomography Imaging Tracer Targeting of EphA2. ACS Omega 2023; 8:7030-7035. [PMID: 36844571 PMCID: PMC9948553 DOI: 10.1021/acsomega.2c07849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 01/26/2023] [Indexed: 06/18/2023]
Abstract
Erythropoietin-producing hepatocellular receptor A2 (EphA2) is overexpressed in cancer cells and causes abnormal cell proliferation. Therefore, it has attracted attention as a target for diagnostic agents. In this study, the EphA2-230-1 monoclonal antibody (EphA2-230-1) was labeled with [111In]In and evaluated as an imaging tracer for single-photon emission computed tomography (SPECT) of EphA2. EphA2-230-1 was conjugated with 2-(4-isothiocyanatobenzyl)-diethylenetriaminepentaacetic acid (p-SCN-BnDTPA) and then labeled with [111In]In. [111In]In-BnDTPA-EphA2-230-1 was evaluated in cell-binding, biodistribution, and SPECT/computed tomography (CT) studies. The cellular uptake ratio of [111In]In-BnDTPA-EphA2-230-1 was 14.0 ± 2.1%/mg protein at 4 h in the cell-binding study. In the biodistribution study, a high uptake of [111In]In-BnDTPA-EphA2-230-1 was observed in tumor tissue (14.6 ± 3.2% injected dose/g at 72 h). The superior accumulation of [111In]In-BnDTPA-EphA2-230-1 in tumors was also confirmed using SPECT/CT. Therefore, [111In]In-BnDTPA-EphA2-230-1 has potential as a SPECT imaging tracer for EphA2.
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Affiliation(s)
- Takenori Furukawa
- Department
of Analytical and Bioinorganic Chemistry, Division of Analytical and
Physical Science, Kyoto Pharmaceutical University, 5 Nakauchi-cho, Misasagi, Yamashina-ku, Kyoto 607-8414, Japan
| | - Hiroyuki Kimura
- Department
of Analytical and Bioinorganic Chemistry, Division of Analytical and
Physical Science, Kyoto Pharmaceutical University, 5 Nakauchi-cho, Misasagi, Yamashina-ku, Kyoto 607-8414, Japan
| | - Minon Sasaki
- Department
of Analytical and Bioinorganic Chemistry, Division of Analytical and
Physical Science, Kyoto Pharmaceutical University, 5 Nakauchi-cho, Misasagi, Yamashina-ku, Kyoto 607-8414, Japan
| | - Takumu Yamada
- Department
of Biomedical Engineering, Faculty of Science and Engineering, Toyo University, 2100 Nakanodai, Kujirai, Kawagoe, Saitama 350-0815, Japan
| | - Takumi Iwasawa
- Department
of Biomedical Engineering, Faculty of Science and Engineering, Toyo University, 2100 Nakanodai, Kujirai, Kawagoe, Saitama 350-0815, Japan
| | - Yusuke Yagi
- Department
of Analytical and Bioinorganic Chemistry, Division of Analytical and
Physical Science, Kyoto Pharmaceutical University, 5 Nakauchi-cho, Misasagi, Yamashina-ku, Kyoto 607-8414, Japan
- Department
of Radiological Technology, Faculty of Medicinal Science, Kyoto College of Medical Science, 1-3 Imakita, Oyama-higashi, Sonobe,
Nantan, Kyoto 622-0022, Japan
| | - Kazunori Kato
- Department
of Biomedical Engineering, Faculty of Science and Engineering, Toyo University, 2100 Nakanodai, Kujirai, Kawagoe, Saitama 350-0815, Japan
| | - Hiroyuki Yasui
- Department
of Analytical and Bioinorganic Chemistry, Division of Analytical and
Physical Science, Kyoto Pharmaceutical University, 5 Nakauchi-cho, Misasagi, Yamashina-ku, Kyoto 607-8414, Japan
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Bottens RA, Yamada T. Cell-Penetrating Peptides (CPPs) as Therapeutic and Diagnostic Agents for Cancer. Cancers (Basel) 2022; 14:cancers14225546. [PMID: 36428639 PMCID: PMC9688740 DOI: 10.3390/cancers14225546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 11/03/2022] [Accepted: 11/08/2022] [Indexed: 11/15/2022] Open
Abstract
Cell-Penetrating Peptides (CPPs) are short peptides consisting of <30 amino acids. Their ability to translocate through the cell membrane while carrying large cargo biomolecules has been the topic of pre-clinical and clinical trials. The ability to deliver cargo complexes through membranes yields potential for therapeutics and diagnostics for diseases such as cancer. Upon cellular entry, some CPPs have the ability to target specific organelles. CPP-based intracellular targeting strategies hold tremendous potential as they can improve efficacy and reduce toxicities and side effects. Further, recent clinical trials show a significant potential for future CPP-based cancer treatment. In this review, we summarize recent advances in CPPs based on systematic searches in PubMed, Embase, Web of Science, and Scopus databases until 30 September 2022. We highlight targeted delivery and explore the potential uses for CPPs as diagnostics, drug delivery, and intrinsic anti-cancer agents.
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Affiliation(s)
- Ryan A. Bottens
- Department of Surgery, Division of Surgical Oncology, College of Medicine, University of Illinois, Chicago, IL 60612, USA
| | - Tohru Yamada
- Department of Surgery, Division of Surgical Oncology, College of Medicine, University of Illinois, Chicago, IL 60612, USA
- Richard & Loan Hill Department of Biomedical Engineering, College of Medicine and Engineering, University of Illinois, Chicago, IL 60607, USA
- Correspondence:
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Pringle TA, Coleman O, Kawamura A, Knight JC. The influence of degree of labelling upon cellular internalisation of antibody-cell penetrating peptide conjugates. RSC Adv 2022; 12:27716-27722. [PMID: 36320284 PMCID: PMC9517169 DOI: 10.1039/d2ra05274a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 09/20/2022] [Indexed: 11/21/2022] Open
Abstract
Antibody-based agents are increasingly used as therapeutics and imaging agents, yet are generally restricted to cell surface targets due to inefficient cellular internalisation and endosomal entrapment. Enhanced cell membrane translocation of antibodies can be achieved by the covalent attachment of cell-penetrating peptides, including the HIV-1-derived transactivator of transcription (TAT) peptide. This study evaluated the cellular internalisation properties of five anti-HER2 Herceptin–TAT conjugates with degrees of TAT labelling (DOLTAT) ranging from one to five. Herceptin–TAT conjugates were synthesised via a strain-promoted alkyne–azide cycloaddition reaction, characterised by UV-vis spectroscopy, MALDI-TOF, and gel electrophoresis, then radiolabelled with zirconium-89 to permit measurement of cellular internalisation by gamma counting. [89Zr]Zr–DFO–Her–TAT(0–5) conjugates were isolated in high radiochemical purity (>99%) and exhibited high stability in murine and human serum over 7 days at 37 °C. Significant increases in cellular internalisation were observed for [89Zr]Zr–DFO–Her–TAT conjugates with DOLTAT values of 2 and above in SKBR3 (high HER2) cells over 48 h, in contrast to low-level non-specific uptake in MDA-MB-468 (low HER2) cells that did not increase over time. Notably, [89Zr]Zr–DFO–Her–TAT conjugates with DOLTAT of 3, 4, and 5 reached uptake values in SKBR3 cells of 5, 6, and 8% of the applied dose at 48 h respectively, representing 9, 10, 14-fold increases relative to the TAT-free control conjugate, [89Zr]Zr–DFO–Her–TAT(0). A systematic investigation into the influence of degree of labelling of antibody-cell penetrating peptide conjugates upon cellular internalisation.![]()
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Affiliation(s)
- Toni A. Pringle
- School of Natural and Environmental Sciences, Newcastle University, Newcastle Upon Tyne, UK
| | - Oliver Coleman
- School of Natural and Environmental Sciences, Newcastle University, Newcastle Upon Tyne, UK
| | - Akane Kawamura
- School of Natural and Environmental Sciences, Newcastle University, Newcastle Upon Tyne, UK
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford, UK
| | - James C. Knight
- School of Natural and Environmental Sciences, Newcastle University, Newcastle Upon Tyne, UK
- Newcastle University Centre for Cancer, Newcastle University, Newcastle Upon Tyne, UK
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