1
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Knaack JIH, Meier C. Out of the Dark, into the Light: Metabolic Fluorescent Labeling of Nucleic Acids. ChemMedChem 2024; 19:e202400160. [PMID: 38712684 DOI: 10.1002/cmdc.202400160] [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: 02/29/2024] [Revised: 05/02/2024] [Accepted: 05/06/2024] [Indexed: 05/08/2024]
Abstract
This review outlines recent advances in live-cell imaging techniques for nucleic acids. We describe the evolution of these methods, particularly highlighting the development of metabolic labeling approaches compatible with living systems using fluorescence-based labeling.
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Affiliation(s)
- J Iven H Knaack
- Department of Chemistry, Faculty of Sciences, University of Hamburg, Martin-Luther-King-Platz 6, 20146, Hamburg, Germany
| | - Chris Meier
- Department of Chemistry, Faculty of Sciences, University of Hamburg, Martin-Luther-King-Platz 6, 20146, Hamburg, Germany
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2
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Chandankar SS, Kondhare D, Deshmukh S, Yang H, Leonard P, Seela F. 7-Deazapurine and Pyrimidine Nucleoside and Oligonucleotide Cycloadducts Formed by Inverse Diels-Alder Reactions with 3,6-Di(pyrid-2-yl)-1,2,4,5-tetrazine: Ethynylated and Vinylated Nucleobases for Functionalization and Impact of Pyridazine Adducts on DNA Base Pair Stability and Mismatch Discrimination. J Org Chem 2024. [PMID: 39052894 DOI: 10.1021/acs.joc.4c00982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
The manuscript reports on 7-deazapurine and pyrimidine nucleoside and oligonucleotide cycloadducts formed by the inverse electron demand Diels-Alder (iEDDA) reaction with 3,6-di(pyrid-2-yl)-1,2,4,5-tetrazine. Cycloadducts were constructed from ethynylated and vinylated nucleobases. Oligonucleotides were synthesized containing iEDDA modifications, and the impact on duplex stability was investigated. iEDDA reactions were performed on nucleoside triple bond side chains. Oxidation was not required in these cases as dihydropyridazine intermediates are not formed. In contrast, oxidation is necessary for reactions performed on alkenyl compounds. This was verified on 5-vinyl-2'-deoxyuridine. A diastereomeric mixture of 1,2-dihydropyridazine cycloadduct intermediates was isolated, characterized, and later oxidized. 12-mer oligonucleotides containing 1,2-pyridazine inverse Diels-Alder cycloadducts and their precursors were hybridized to short DNA duplexes. For that, a series of phosphoramidites was prepared. DNA duplexes with 7-functionalized 7-deazaadenines and 5-functionalized pyrimidines display high duplex stability when spacer units are present between nucleobases and pyridazine cycloadducts. A direct connectivity of the pyridazine moiety to nucleobases as reported for metabolic labeling of vinyl nucleosides reduced duplex stability strongly. Oligonucleotides bearing linkers with and without pyridazine cycloadducts attached to the 7-deazaadenine nucleobase significantly reduced mismatch formation with dC and dG.
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Affiliation(s)
- Somnath Shivaji Chandankar
- Laboratory of Bioorganic Chemistry and Chemical Biology, Center for Nanotechnology, Heisenbergstrasse 11, 48149 Münster, Germany
| | - Dasharath Kondhare
- Laboratory of Bioorganic Chemistry and Chemical Biology, Center for Nanotechnology, Heisenbergstrasse 11, 48149 Münster, Germany
| | - Sushma Deshmukh
- Laboratory of Bioorganic Chemistry and Chemical Biology, Center for Nanotechnology, Heisenbergstrasse 11, 48149 Münster, Germany
| | - Haozhe Yang
- Laboratory of Bioorganic Chemistry and Chemical Biology, Center for Nanotechnology, Heisenbergstrasse 11, 48149 Münster, Germany
| | - Peter Leonard
- Laboratory of Bioorganic Chemistry and Chemical Biology, Center for Nanotechnology, Heisenbergstrasse 11, 48149 Münster, Germany
| | - Frank Seela
- Laboratory of Bioorganic Chemistry and Chemical Biology, Center for Nanotechnology, Heisenbergstrasse 11, 48149 Münster, Germany
- Laboratorium für Organische und Bioorganische Chemie, Institut für Chemie neuer Materialien, Universität Osnabrück, Barbarastrasse 7, 49069 Osnabrück, Germany
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3
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Seul N, Lamade D, Stoychev P, Mijic M, Michenfelder RT, Rieger L, Geng P, Wagenknecht HA. Cyclopropenes as Chemical Reporters for Dual Bioorthogonal and Orthogonal Metabolic Labeling of DNA. Angew Chem Int Ed Engl 2024; 63:e202403044. [PMID: 38517205 DOI: 10.1002/anie.202403044] [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: 02/12/2024] [Revised: 03/18/2024] [Accepted: 03/19/2024] [Indexed: 03/23/2024]
Abstract
Dual bioorthogonal labeling enables the investigation and understanding of interactions in the biological environment that are not accessible by a single label. However, applying two bioorthogonal reactions in the same environment remains challenging due to cross-reactivity. We developed a pair of differently modified 2'-deoxynucleosides that solved this issue for dual and orthogonal labeling of DNA. Inverse-electron demand Diels-Alder and photoclick reactions were combined to attach two different fluorogenic labels to genomic DNA in cells. Using a small synthetic library of 1- and 3-methylcyclopropenyl-modified 2'-deoxynucleosides, two 2'-deoxyuridines were identified to be the fastest-reacting ones for each of the two bioorthogonal reactions. Their orthogonal reactivity could be evidenced in vitro. Primer extension experiments were performed with both 2'-deoxyuridines investigating their replication properties as substitutes for thymidine and evaluating subsequent labeling reactions on the DNA level. Finally, dual, orthogonal and metabolic fluorescent labeling of genomic DNA was demonstrated in HeLa cells. An experimental procedure was developed combining intracellular transport and metabolic DNA incorporation of the two 2'-deoxyuridines with the subsequent dual bioorthogonal labeling using a fluorogenic cyanine-styryl tetrazine and a fluorogenic pyrene-tetrazole. These results are fundamental for advanced metabolic labeling strategies for nucleic acids in the future, especially for live cell experiments.
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Affiliation(s)
- Nicola Seul
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
| | - Dennis Lamade
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
| | - Petko Stoychev
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
| | - Michaela Mijic
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
| | - Rita T Michenfelder
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
| | - Lisa Rieger
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
| | - Philipp Geng
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
| | - Hans-Achim Wagenknecht
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
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4
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Kufleitner M, Haiber LM, Li S, Surendran H, Mayer TU, Zumbusch A, Wittmann V. Next-Generation Metabolic Glycosylation Reporters Enable Detection of Protein O-GlcNAcylation in Living Cells without S-Glyco Modification. Angew Chem Int Ed Engl 2024; 63:e202320247. [PMID: 38501674 DOI: 10.1002/anie.202320247] [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: 12/30/2023] [Revised: 03/08/2024] [Accepted: 03/18/2024] [Indexed: 03/20/2024]
Abstract
Protein O-GlcNAcylation is a ubiquitous posttranslational modification of cytosolic and nuclear proteins involved in numerous fundamental regulation processes. Investigation of O-GlcNAcylation by metabolic glycoengineering (MGE) has been carried out for two decades with peracetylated N-acetylglucosamine (GlcNAc) and N-acetylgalactosamine derivatives modified with varying reporter groups. Recently, it has been shown that these derivatives can result in non-specific protein labeling termed S-glyco modification. Here, we report norbornene-modified GlcNAc derivatives with a protected phosphate at the anomeric position and their application in MGE. These derivatives overcome two limitations of previously used O-GlcNAc reporters. They do not lead to detectable S-glyco modification, and they efficiently react in the inverse-electron-demand Diels-Alder (IEDDA) reaction, which can be carried out even within living cells. Using a derivative with an S-acetyl-2-thioethyl-protected phosphate, we demonstrate the protein-specific detection of O-GlcNAcylation of several proteins and the protein-specific imaging of O-GlcNAcylation inside living cells by Förster resonance energy transfer (FRET) visualized by confocal fluorescence lifetime imaging microscopy (FLIM).
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Affiliation(s)
- Markus Kufleitner
- Department of Chemistry, University of Konstanz, Universitätsstraße 10, 78464, Konstanz, Germany
| | - Lisa Maria Haiber
- Department of Chemistry, University of Konstanz, Universitätsstraße 10, 78464, Konstanz, Germany
| | - Shuang Li
- Department of Chemistry, University of Konstanz, Universitätsstraße 10, 78464, Konstanz, Germany
| | - Harsha Surendran
- Department of Chemistry, University of Konstanz, Universitätsstraße 10, 78464, Konstanz, Germany
| | - Thomas U Mayer
- Department of Biology, University of Konstanz, Universitätsstraße 10, 78464, Konstanz, Germany
| | - Andreas Zumbusch
- Department of Chemistry, University of Konstanz, Universitätsstraße 10, 78464, Konstanz, Germany
| | - Valentin Wittmann
- Department of Chemistry, University of Konstanz, Universitätsstraße 10, 78464, Konstanz, Germany
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5
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Svatunek D. Computational Organic Chemistry: The Frontier for Understanding and Designing Bioorthogonal Cycloadditions. Top Curr Chem (Cham) 2024; 382:17. [PMID: 38727989 PMCID: PMC11087259 DOI: 10.1007/s41061-024-00461-0] [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: 11/08/2023] [Accepted: 04/06/2024] [Indexed: 05/13/2024]
Abstract
Computational organic chemistry has become a valuable tool in the field of bioorthogonal chemistry, offering insights and aiding in the progression of this branch of chemistry. In this review, I present an overview of computational work in this field, including an exploration of both the primary computational analysis methods used and their application in the main areas of bioorthogonal chemistry: (3 + 2) and [4 + 2] cycloadditions. In the context of (3 + 2) cycloadditions, detailed studies of electronic effects have informed the evolution of cycloalkyne/1,3-dipole cycloadditions. Through computational techniques, researchers have found ways to adjust the electronic structure via hyperconjugation to enhance reactions without compromising stability. For [4 + 2] cycloadditions, methods such as distortion/interaction analysis and energy decomposition analysis have been beneficial, leading to the development of bioorthogonal reactants with improved reactivity and the creation of orthogonal reaction pairs. To conclude, I touch upon the emerging fields of cheminformatics and machine learning, which promise to play a role in future reaction discovery and optimization.
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Affiliation(s)
- Dennis Svatunek
- Institute of Applied Synthetic Chemistry, Technische Universität Wien (TU Wien), Getreidemarkt 9, 1060, Vienna, Austria.
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6
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Fang Y, Hillman AS, Fox JM. Advances in the Synthesis of Bioorthogonal Reagents: s-Tetrazines, 1,2,4-Triazines, Cyclooctynes, Heterocycloheptynes, and trans-Cyclooctenes. Top Curr Chem (Cham) 2024; 382:15. [PMID: 38703255 DOI: 10.1007/s41061-024-00455-y] [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: 09/30/2023] [Accepted: 02/01/2024] [Indexed: 05/06/2024]
Abstract
Aligned with the increasing importance of bioorthogonal chemistry has been an increasing demand for more potent, affordable, multifunctional, and programmable bioorthogonal reagents. More advanced synthetic chemistry techniques, including transition-metal-catalyzed cross-coupling reactions, C-H activation, photoinduced chemistry, and continuous flow chemistry, have been employed in synthesizing novel bioorthogonal reagents for universal purposes. We discuss herein recent developments regarding the synthesis of popular bioorthogonal reagents, with a focus on s-tetrazines, 1,2,4-triazines, trans-cyclooctenes, cyclooctynes, hetero-cycloheptynes, and -trans-cycloheptenes. This review aims to summarize and discuss the most representative synthetic approaches of these reagents and their derivatives that are useful in bioorthogonal chemistry. The preparation of these molecules and their derivatives utilizes both classical approaches as well as the latest organic chemistry methodologies.
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Affiliation(s)
- Yinzhi Fang
- Department of Chemistry and Biochemistry, University of Delaware, 590 Avenue 1743, Newark, DE, 19713, USA.
| | - Ashlyn S Hillman
- Department of Chemistry and Biochemistry, University of Delaware, 590 Avenue 1743, Newark, DE, 19713, USA
| | - Joseph M Fox
- Department of Chemistry and Biochemistry, University of Delaware, 590 Avenue 1743, Newark, DE, 19713, USA.
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7
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Sminia TJ, Aalvink S, de Jong H, Tempelaars MH, Zuilhof H, Abee T, de Vos WM, Tytgat HLP, Wennekes T. Probing Peptidoglycan Synthesis in the Gut Commensal Akkermansia Muciniphila with Bioorthogonal Chemical Reporters. Chembiochem 2024:e202400037. [PMID: 38688858 DOI: 10.1002/cbic.202400037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 04/29/2024] [Accepted: 04/30/2024] [Indexed: 05/02/2024]
Abstract
Our gut microbiota directly influences human physiology in health and disease. The myriad of surface glycoconjugates in both the bacterial cell envelope and our gut cells dominate the microbiota-host interface and play a critical role in host response and microbiota homeostasis. Among these, peptidoglycan is the basic glycan polymer offering the cell rigidity and a basis on which many other glycoconjugates are anchored. To directly study peptidoglycan in gut commensals and obtain the molecular insight required to understand their functional activities we need effective techniques like chemical probes to label peptidoglycan in live bacteria. Here we report a chemically guided approach to study peptidoglycan in a key mucin-degrading gut microbiota member of the Verrucomicrobia phylum, Akkermansia muciniphila. Two novel non-toxic tetrazine click-compatible peptidoglycan probes with either a cyclopropene or isonitrile handle allowed for the detection and imaging of peptidoglycan synthesis in this intestinal species.
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Affiliation(s)
- Tjerk J Sminia
- Laboratory of Organic Chemistry, Wageningen University and Research, Wageningen, The, Netherlands
| | - Steven Aalvink
- Laboratory of Microbiology, Wageningen University and Research, Wageningen, The, Netherlands
| | - Hanna de Jong
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences and Bijvoet Center for Biomolecular Research, Utrecht University, Utrecht, The, Netherlands
| | - Marcel H Tempelaars
- Laboratory of Food Microbiology, Wageningen University and Research, Wageningen, The, Netherlands
| | - Han Zuilhof
- Laboratory of Organic Chemistry, Wageningen University and Research, Wageningen, The, Netherlands
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, P.R. China
| | - Tjakko Abee
- Laboratory of Food Microbiology, Wageningen University and Research, Wageningen, The, Netherlands
| | - Willem M de Vos
- Laboratory of Microbiology, Wageningen University and Research, Wageningen, The, Netherlands
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Hanne L P Tytgat
- Laboratory of Microbiology, Wageningen University and Research, Wageningen, The, Netherlands
- Current address: Nestlé Institute of Health Sciences, Nestlé Research, Lausanne, Switzerland
| | - Tom Wennekes
- Laboratory of Organic Chemistry, Wageningen University and Research, Wageningen, The, Netherlands
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences and Bijvoet Center for Biomolecular Research, Utrecht University, Utrecht, The, Netherlands
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8
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Huang W, Laughlin ST. Cell-selective bioorthogonal labeling. Cell Chem Biol 2024; 31:409-427. [PMID: 37837964 DOI: 10.1016/j.chembiol.2023.09.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 08/25/2023] [Accepted: 09/19/2023] [Indexed: 10/16/2023]
Abstract
In classic bioorthogonal labeling experiments, the cell's biosynthetic machinery incorporates bioorthogonal tags, creating tagged biomolecules that are subsequently reacted with a corresponding bioorthogonal partner. This two-step approach labels biomolecules throughout the organism indiscriminate of cell type, which can produce background in applications focused on specific cell populations. In this review, we cover advances in bioorthogonal chemistry that enable targeting of bioorthogonal labeling to a desired cell type. Such cell-selective bioorthogonal labeling is achieved in one of three ways. The first approach restricts labeling to specific cells by cell-selective expression of engineered enzymes that enable the bioorthogonal tag's incorporation. The second approach preferentially localizes the bioorthogonal reagents to the desired cell types to restrict their uptake to the desired cells. Finally, the third approach cages the reactivity of the bioorthogonal reagents, allowing activation of the reaction in specific cells by uncaging the reagents selectively in those cell populations.
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Affiliation(s)
- Wei Huang
- Department of Chemistry and Institute for Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, NY 11794, USA
| | - Scott T Laughlin
- Department of Chemistry and Institute for Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, NY 11794, USA.
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9
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Hillman A, Hyland SN, Wodzanowski KA, Moore DL, Ratna S, Jemas A, Sandles LMD, Chaya T, Ghosh A, Fox JM, Grimes CL. Minimalist Tetrazine N-Acetyl Muramic Acid Probes for Rapid and Efficient Labeling of Commensal and Pathogenic Peptidoglycans in Living Bacterial Culture and During Macrophage Invasion. J Am Chem Soc 2024; 146:6817-6829. [PMID: 38427023 PMCID: PMC10941766 DOI: 10.1021/jacs.3c13644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 02/13/2024] [Accepted: 02/14/2024] [Indexed: 03/02/2024]
Abstract
N-Acetyl muramic acid (NAM) probes containing alkyne or azide groups are commonly used to investigate aspects of cell wall synthesis because of their small size and ability to incorporate into bacterial peptidoglycan (PG). However, copper-catalyzed alkyne-azide cycloaddition (CuAAC) reactions are not compatible with live cells, and strain-promoted alkyne-azide cycloaddition (SPAAC) reaction rates are modest and, therefore, not as desirable for tracking the temporal alterations of bacterial cell growth, remodeling, and division. Alternatively, the tetrazine-trans-cyclooctene ligation (Tz-TCO), which is the fastest known bioorthogonal reaction and not cytotoxic, allows for rapid live-cell labeling of PG at biologically relevant time scales and concentrations. Previous work to increase reaction kinetics on the PG surface by using tetrazine probes was limited because of low incorporation of the probe. Described here are new approaches to construct a minimalist tetrazine (Tz)-NAM probe utilizing recent advancements in asymmetric tetrazine synthesis. This minimalist Tz-NAM probe was successfully incorporated into pathogenic and commensal bacterial PG where fixed and rapid live-cell, no-wash labeling was successful in both free bacterial cultures and in coculture with human macrophages. Overall, this probe allows for expeditious labeling of bacterial PG, thereby making it an exceptional tool for monitoring PG biosynthesis for the development of new antibiotic screens. The versatility and selectivity of this probe will allow for real-time interrogation of the interactions of bacterial pathogens in a human host and will serve a broader utility for studying glycans in multiple complex biological systems.
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Affiliation(s)
- Ashlyn
S. Hillman
- Department
of Chemistry and Biochemistry, University
of Delaware, Newark, Delaware 19716, United States
| | - Stephen N. Hyland
- Department
of Chemistry and Biochemistry, University
of Delaware, Newark, Delaware 19716, United States
| | - Kimberly A. Wodzanowski
- Department
of Chemistry and Biochemistry, University
of Delaware, Newark, Delaware 19716, United States
| | - DeVonte L. Moore
- Department
of Chemistry and Biochemistry, University
of Delaware, Newark, Delaware 19716, United States
| | - Sushanta Ratna
- Department
of Chemistry and Biochemistry, University
of Delaware, Newark, Delaware 19716, United States
| | - Andrew Jemas
- Department
of Chemistry and Biochemistry, University
of Delaware, Newark, Delaware 19716, United States
| | - Liam-Michael D. Sandles
- Department
of Chemistry and Biochemistry, University
of Delaware, Newark, Delaware 19716, United States
| | - Timothy Chaya
- Department
of Plant and Soil Sciences, University of
Delaware, Newark, Delaware 19716, United States
| | - Arit Ghosh
- Delaware
Biotechnology Institute, UDEL Flow Cytometry Core, University of Delaware, Newark, Delaware 19716, United States
| | - Joseph M. Fox
- Department
of Chemistry and Biochemistry, University
of Delaware, Newark, Delaware 19716, United States
- Department
of Materials Science and Engineering, University
of Delaware, Newark, Delaware 19716, United States
| | - Catherine L. Grimes
- Department
of Chemistry and Biochemistry, University
of Delaware, Newark, Delaware 19716, United States
- Department
of Biological Sciences, University of Delaware, Newark, Delaware 19716, United States
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10
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Kozma E, Kele P. Bioorthogonal Reactions in Bioimaging. Top Curr Chem (Cham) 2024; 382:7. [PMID: 38400853 PMCID: PMC10894152 DOI: 10.1007/s41061-024-00452-1] [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: 10/27/2023] [Accepted: 01/22/2024] [Indexed: 02/26/2024]
Abstract
Visualization of biomolecules in their native environment or imaging-aided understanding of more complex biomolecular processes are one of the focus areas of chemical biology research, which requires selective, often site-specific labeling of targets. This challenging task is effectively addressed by bioorthogonal chemistry tools in combination with advanced synthetic biology methods. Today, the smart combination of the elements of the bioorthogonal toolbox allows selective installation of multiple markers to selected targets, enabling multicolor or multimodal imaging of biomolecules. Furthermore, recent developments in bioorthogonally applicable probe design that meet the growing demands of superresolution microscopy enable more complex questions to be addressed. These novel, advanced probes enable highly sensitive, low-background, single- or multiphoton imaging of biological species and events in live organisms at resolutions comparable to the size of the biomolecule of interest. Herein, the latest developments in bioorthogonal fluorescent probe design and labeling schemes will be discussed in the context of in cellulo/in vivo (multicolor and/or superresolved) imaging schemes. The second part focuses on the importance of genetically engineered minimal bioorthogonal tags, with a particular interest in site-specific protein tagging applications to answer biological questions.
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Affiliation(s)
- Eszter Kozma
- Chemical Biology Research Group, Institute of Organic Chemistry, HUN-REN Research Centre for Natural Sciences, Magyar Tudósok Krt. 2, Budapest, 1117, Hungary
| | - Péter Kele
- Chemical Biology Research Group, Institute of Organic Chemistry, HUN-REN Research Centre for Natural Sciences, Magyar Tudósok Krt. 2, Budapest, 1117, Hungary.
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11
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Segawa S, He X, Tang BZ. Metal-free click and bioorthogonal reactions of aggregation-induced emission probes for lighting up living systems. LUMINESCENCE 2024; 39:e4619. [PMID: 37987236 DOI: 10.1002/bio.4619] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 10/10/2023] [Accepted: 10/16/2023] [Indexed: 11/22/2023]
Abstract
In 2002, two transformative research paradigms emerged: 'click chemistry' and 'aggregation-induced emission (AIE),' both leaving significant impacts on early 21st-century academia. Click chemistry, which describes the straightforward and reliable reactions for linking two building blocks, has simplified complex molecular syntheses and functionalization, propelling advancements in polymer, material, and life science. In particular, nontoxic, metal-free click reactions involving abiotic functional groups have matured into bioorthogonal reactions. These are organic ligations capable of selective and efficient operations even in congested living systems, therefore enabling in vitro to in vivo biomolecular labelling. Concurrently, AIE, a fluorogenic phenomenon of twisted π-conjugated compounds upon aggregation, has offered profound insight into solid-state photophysics and promoted the creation of aggregate materials. The inherent fluorogenicity and aggregate-emission properties of AIE luminogens have found extensive application in biological imaging, characterized by their high-contrast and photostable fluorescent signals. As such, the convergence of these two domains to yield efficient labelling with excellent fluorescence images is an anticipated progression in recent life science research. In this review, we intend to showcase the synergetic applications of AIE probes and metal-free click or bioorthogonal reactions, highlighting both the achievements and the unexplored avenues in this promising field.
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Affiliation(s)
- Shinsuke Segawa
- Department of Chemical and Biological Engineering, School of Engineering, The Hong Kong University of Science and Technology, Kowloon, Hong Kong, China
| | - Xuewen He
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, China
| | - Ben Zhong Tang
- School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen, Guangdong, China
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction and Institute for Advanced Study, The Hong Kong University of Science and Technology, Kowloon, Hong Kong, China
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12
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Finkelstein DS, Du Bois J. Trifunctional Saxitoxin Conjugates for Covalent Labeling of Voltage-Gated Sodium Channels. Chembiochem 2023; 24:e202300493. [PMID: 37746898 PMCID: PMC10863845 DOI: 10.1002/cbic.202300493] [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: 07/04/2023] [Revised: 08/24/2023] [Indexed: 09/26/2023]
Abstract
Voltage-gated sodium ion channels (NaV s) are integral membrane protein complexes responsible for electrical signal conduction in excitable cells. Methods that enable selective labeling of NaV s hold potential value for understanding how channel regulation and post-translational modification are influenced during development and in response to diseases and disorders of the nervous system. We have developed chemical reagents patterned after (+)-saxitoxin (STX) - a potent and reversible inhibitor of multiple NaV isoforms - and affixed with a reactive electrophile and either a biotin cofactor, fluorophore, or 'click' functional group for labeling wild-type channels. Our studies reveal enigmatic structural effects of the probes on the potency and efficiency of covalent protein modification. Among the compounds analyzed, a STX-maleimide-coumarin derivative is most effective at irreversibly blocking Na+ conductance when applied to recombinant NaV s and endogenous channels expressed in hippocampal neurons. Mechanistic analysis supports the conclusion that high-affinity toxin binding is a prerequisite for covalent protein modification. Results from these studies are guiding the development of next-generation tool compounds for selective modification of NaV s expressed in the plasma membranes of cells.
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Affiliation(s)
- Darren S Finkelstein
- Department of Chemistry, Stanford University, 337 Campus Dr., Stanford, CA 94305, USA
- Present address: Pliant Therapeutics, 260 Littlefield Avenue, South San Francisco, CA 94080, USA
| | - J Du Bois
- Department of Chemistry, Stanford University, 337 Campus Dr., Stanford, CA 94305, USA
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13
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Albitz E, Németh K, Knorr G, Kele P. Evaluation of bioorthogonally applicable tetrazine-Cy3 probes for fluorogenic labeling schemes. Org Biomol Chem 2023; 21:7358-7366. [PMID: 37646224 DOI: 10.1039/d3ob01204b] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
The fluorogenic features of three sets of tetrazine-Cy3 probes were evaluated in bioorthogonal tetrazine-cyclooctyne ligation schemes. These studies revealed that the more efficient, internal conversion-based quenching of fluorescence by the tetrazine modul is translated to improved fluorogenicity compared to the more conventional, energy transfer-enabled design. Furthermore, a comparison of directly conjugated probes and vinylene-linked tetrazine-Cy3 probes revealed that more intimate conjugation of the tetrazine and the chromophore results in more efficient IC-based quenching even in spectral ranges where tetrazine exhibits diminished modulation efficiency. The applicability of these tetrazine-quenched fluorogenic Cy3 probes was demonstrated in the fluorogenic labeling schemes of the extra- and intracellular proteins of live cells.
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Affiliation(s)
- Evelin Albitz
- Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Magyar tudósok krt. 2, H-1117, Budapest, Hungary.
- Hevesy György PhD School of Chemistry, Eötvös Loránd University, Pázmány Péter sétány 1/a, H-1117, Budapest, Hungary
| | - Krisztina Németh
- Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Magyar tudósok krt. 2, H-1117, Budapest, Hungary.
| | - Gergely Knorr
- Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Magyar tudósok krt. 2, H-1117, Budapest, Hungary.
| | - Péter Kele
- Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Magyar tudósok krt. 2, H-1117, Budapest, Hungary.
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14
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Mishra PK, Sharma N, Kim H, Lee C, Rhee HW. GEN-Click: Genetically Encodable Click Reactions for Spatially Restricted Metabolite Labeling. ACS CENTRAL SCIENCE 2023; 9:1650-1657. [PMID: 37637744 PMCID: PMC10450880 DOI: 10.1021/acscentsci.3c00511] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Indexed: 08/29/2023]
Abstract
Chemical reactions for the in situ modification of biomolecules within living cells are under development. Among these reactions, bio-orthogonal reactions such as click chemistry using copper(I) and Staudinger ligation are widely used for specific biomolecule tracking in live systems. However, currently available live cell copper(I)-catalyzed azide/alkyne cycloaddition reactions are not designed in a spatially resolved manner. Therefore, we developed the "GEN-Click" system, which can target the copper(I)-catalyzed azide/alkyne cycloaddition reaction catalysts proximal to the protein of interest and can be genetically expressed in a live cell. The genetically controlled, spatially restricted, metal-catalyzed biorthogonal reaction can be used for proximity biotin labeling of various azido-bearing biomolecules (e.g., protein, phospholipid, oligosaccharides) in living cell systems. Using GEN-Click, we successfully detected local metabolite-transferring events at cell-cell contact sites.
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Affiliation(s)
| | - Nirmali Sharma
- Department
of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Hyunwoo Kim
- Department
of Biological Sciences, Ulsan National Institute
of Science and Technology, Ulsan 44919, Republic
of Korea
| | - Changwook Lee
- Department
of Biological Sciences, Ulsan National Institute
of Science and Technology, Ulsan 44919, Republic
of Korea
| | - Hyun-Woo Rhee
- Department
of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
- School
of Biological Sciences, Seoul National University, Seoul 08826, Republic of Korea
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15
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Auvray M, Naud-Martin D, Fontaine G, Bolze F, Clavier G, Mahuteau-Betzer F. Ultrabright two-photon excitable red-emissive fluorogenic probes for fast and wash-free bioorthogonal labelling in live cells. Chem Sci 2023; 14:8119-8128. [PMID: 37538830 PMCID: PMC10395273 DOI: 10.1039/d3sc01754k] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 07/03/2023] [Indexed: 08/05/2023] Open
Abstract
Fluorogenic bioorthogonal reactions are promising tools for tracking small molecules or biomolecules in living organisms. Two-photon excitation, by shifting absorption towards the red, significantly increases the signal-to-noise ratio and decreases photodamage, while allowing imaging about 10 times deeper than with a confocal microscope. However, efficient two-photon excitable fluorogenic probes are currently lacking. We report here the design and synthesis of fluorogenic probes based on a two-photon excitable fluorophore and a tetrazine quenching moiety. These probes react with bicyclo[6.1.0]no-4-yn-9ylmethanol (BCN) with a good to impressive kinetic rate constant (up to 1.1 × 103 M-1 s-1) and emit in the red window with moderate to high turn-on ratios. TDDFT allowed the rationalization of both the kinetic and fluorogenic performance of the different probes. The best candidate displays a 13.8-fold turn-on measured by quantifying fluorescence intensities in live cells under one-photon excitation, whereas a value of 3 is sufficient for high contrast live-cell imaging. In addition, live-cell imaging under two-photon excitation confirmed that there was no need for washing to monitor the reaction between BCN and this probe since an 8.0-fold turn-on was measured under two-photon excitation. Finally, the high two-photon brightness of the clicked adduct (>300 GM) allows the use of a weak laser power compatible with in vivo imaging.
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Affiliation(s)
- Marie Auvray
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer Institut Curie, Université PSL 91400 Orsay France
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer, Université Paris-Saclay 91400 Orsay France
| | - Delphine Naud-Martin
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer Institut Curie, Université PSL 91400 Orsay France
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer, Université Paris-Saclay 91400 Orsay France
| | - Gaëlle Fontaine
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer Institut Curie, Université PSL 91400 Orsay France
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer, Université Paris-Saclay 91400 Orsay France
| | - Frédéric Bolze
- UMR7199, Faculté de Pharmacie 67401 Illkirch-Graffenstaden France
| | | | - Florence Mahuteau-Betzer
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer Institut Curie, Université PSL 91400 Orsay France
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer, Université Paris-Saclay 91400 Orsay France
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16
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Ma B, Niu W, Guo J. Proximity-enhanced protein crosslinking through an alkene-tetrazine reaction. Bioorg Chem 2023; 132:106359. [PMID: 36642019 PMCID: PMC9957846 DOI: 10.1016/j.bioorg.2023.106359] [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: 10/20/2022] [Revised: 11/21/2022] [Accepted: 12/01/2022] [Indexed: 01/13/2023]
Abstract
The inverse electron demand Diels-Alder (iEDDA) reaction between a tetrazine and a strained alkene has been widely explored as useful bioorthogonal chemistry for selective labeling of biomolecules. In this work, we exploit the slow reaction between a non-conjugated terminal alkene and a tetrazine, and apply this reaction to achieving a proximity-enhanced protein crosslinking. In one protein subunit, a terminal alkene-containing amino acid was site-specifically incorporated in response to an amber nonsense codon. In another protein subunit, a tetrazine moiety was introduced through the attachment to a cysteine residue. Fast protein crosslinking was achieved due to a large increase in effective molarity of the two reactants that were brought to close proximity by the two interacting protein subunits. Such a proximity-enhanced protein crosslinking is useful for the study of protein-protein interactions.
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Affiliation(s)
- Bin Ma
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588, United States
| | - Wei Niu
- Department of Chemical & Biomolecular Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, United States
| | - Jiantao Guo
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588, United States; The Nebraska Center for Integrated Biomolecular Communication (NCIBC), University of Nebraska-Lincoln, Lincoln, NE 68588, United States.
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17
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Kufleitner M, Haiber LM, Wittmann V. Metabolic glycoengineering - exploring glycosylation with bioorthogonal chemistry. Chem Soc Rev 2023; 52:510-535. [PMID: 36537135 DOI: 10.1039/d2cs00764a] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Glycans are involved in numerous biological recognition events. Being secondary gene products, their labeling by genetic methods - comparable to GFP labeling of proteins - is not possible. To overcome this limitation, metabolic glycoengineering (MGE, also known as metabolic oligosaccharide engineering, MOE) has been developed. In this approach, cells or organisms are treated with synthetic carbohydrate derivatives that are modified with a chemical reporter group. In the cytosol, the compounds are metabolized and incorporated into newly synthesized glycoconjugates. Subsequently, the reporter groups can be further derivatized in a bioorthogonal ligation reaction. In this way, glycans can be visualized or isolated. Furthermore, diverse targeting strategies have been developed to direct drugs, nanoparticles, or whole cells to a desired location. This review summarizes research in the field of MGE carried out in recent years. After an introduction to the bioorthogonal ligation reactions that have been used in in connection with MGE, an overview on carbohydrate derivatives for MGE is given. The last part of the review focuses on the many applications of MGE starting from mammalian cells to experiments with animals and other organisms.
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Affiliation(s)
- Markus Kufleitner
- Department of Chemistry and Konstanz Research School Chemical Biology (KoRS-CB), University of Konstanz, Universitätsstraße 10, 78457 Konstanz, Germany.
| | - Lisa Maria Haiber
- Department of Chemistry and Konstanz Research School Chemical Biology (KoRS-CB), University of Konstanz, Universitätsstraße 10, 78457 Konstanz, Germany.
| | - Valentin Wittmann
- Department of Chemistry and Konstanz Research School Chemical Biology (KoRS-CB), University of Konstanz, Universitätsstraße 10, 78457 Konstanz, Germany.
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18
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Zhao G, Li Z, Zhang R, Zhou L, Zhao H, Jiang H. Tetrazine bioorthogonal chemistry derived in vivo imaging. Front Mol Biosci 2022; 9:1055823. [PMID: 36465558 PMCID: PMC9709424 DOI: 10.3389/fmolb.2022.1055823] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 10/26/2022] [Indexed: 09/02/2023] Open
Abstract
Bioorthogonal chemistry represents plenty of highly efficient and biocompatible reactions that proceed selectively and rapidly in biological situations without unexpected side reactions towards miscellaneous endogenous functional groups. Arise from the strict demands of physiological reactions, bioorthogonal chemical reactions are natively selective transformations that are rarely found in biological environments. Bioorthogonal chemistry has long been applied to tracking and real-time imaging of biomolecules in their physiological environments. Thereinto, tetrazine bioorthogonal reactions are particularly important and have increasing applications in these fields owing to their unique properties of easily controlled fluorescence or radiation off-on mechanism, which greatly facilitate the tracking of real signals without been disturbed by background. In this mini review, tetrazine bioorthogonal chemistry for in vivo imaging applications will be attentively appraised to raise some guidelines for prior tetrazine bioorthogonal chemical studies.
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Affiliation(s)
- Gaoxiang Zhao
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Cancer Institute, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Zhutie Li
- China United Test and Evaluation (Qingdao) Co. Ltd., Qingdao, China
| | - Renshuai Zhang
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Cancer Institute, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Liman Zhou
- Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, China
| | - Haibo Zhao
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Department of Sports Medicine, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Hongfei Jiang
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
- Cancer Institute, Affiliated Hospital of Qingdao University, Qingdao, China
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19
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Knittel CH, Devaraj NK. Bioconjugation Strategies for Revealing the Roles of Lipids in Living Cells. Acc Chem Res 2022; 55:3099-3109. [PMID: 36215688 DOI: 10.1021/acs.accounts.2c00511] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The structural boundaries of living cells are composed of numerous membrane-forming lipids. Lipids not only are crucial for the cellular compartmentalization but also are involved in cell signaling as well as energy storage. Abnormal lipid levels have been linked to severe human diseases such as cancer, multiple sclerosis, neurodegenerative diseases, as well as lysosomal storage disorders. Given their biological significance, there is immense interest in studying lipids and their effect on cells. However, limiting factors include the low solubility of lipids, their structural complexity, and the challenge of using genetic techniques to directly manipulate lipid structure. Current methods to study lipids rely mostly on lipidomics, which analyzes the composition of lipid extracts using mass spectrometry. Although, these efforts have successfully catalogued and profiled a great number of lipids in cells, many aspects about their exact functional role and subcellular distribution remain enigmatic.In this Account, we outline how our laboratory developed and applied different bioconjugation strategies to study the role of lipids and lipid modifications in cells. Inspired by our ongoing work on developing lipid bioconjugation strategies to generate artificial cell membranes, we developed a ceramide synthesis method in live cells using a salicylaldehyde ester that readily reacts with sphingosine in form of a traceless ceramide ligation. Our study not only confirmed existing knowledge about the association of ceramides with cell death, but also gave interesting new findings about the structure-function relationship of ceramides in apoptosis. Our initial efforts led us to investigate probes that detect endogenous sphingolipids using live cell imaging. We describe the development of a fluorogenic probe that reacts chemoselectively with sphingosine in living cells, enabling the detection of elevated endogenous levels of this biomarker in human disease. Building on our interest in the fluorescence labeling of lipids, we have also explored the use of bioorthogonal reactions to label chemically synthesized lipid probes. We discuss the development of photocaged dihydrotetrazine lipids, where the initiation of the bioorthogonal reaction can be triggered by visible light, allowing for live cell modification of membranes with spatiotemporal control.Finally, proteins are often post-translationally modified by lipids, which have important effects on protein subcellular localization and function. Controlling lipid modifications with small molecule probes could help reveal the function of lipid post-translational modifications and could potentially inspire novel therapeutic strategies. We describe how our previous studies on synthetic membrane formation inspired us to develop an amphiphilic cysteine derivative that depalmitoylates membrane-bound S-acylated proteins in live cells. Ultimately, we applied this amphiphile mediated depalmitoylation (AMD) in studies investigating the palmitoylation of cancer relevant palmitoylated proteins in healthy and diseased cells.
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Affiliation(s)
- Caroline H Knittel
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
| | - Neal K Devaraj
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
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20
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Bertheussen K, van de Plassche M, Bakkum T, Gagestein B, Ttofi I, Sarris AJC, Overkleeft HS, van der Stelt M, van Kasteren SI. Live‐Cell Imaging of Sterculic Acid—a Naturally Occurring 1,2‐Cyclopropene Fatty Acid—by Bioorthogonal Reaction with Turn‐On Tetrazine‐Fluorophore Conjugates**. Angew Chem Int Ed Engl 2022; 61:e202207640. [PMID: 35838324 PMCID: PMC9546306 DOI: 10.1002/anie.202207640] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Indexed: 12/25/2022]
Abstract
In the field of lipid research, bioorthogonal chemistry has made the study of lipid uptake and processing in living systems possible, whilst minimising biological properties arising from detectable pendant groups. To allow the study of unsaturated free fatty acids in live cells, we here report the use of sterculic acid, a 1,2‐cyclopropene‐containing oleic acid analogue, as a bioorthogonal probe. We show that this lipid can be readily taken up by dendritic cells without toxic side effects, and that it can subsequently be visualised using an inverse electron‐demand Diels–Alder reaction with quenched tetrazine‐fluorophore conjugates. In addition, the lipid can be used to identify changes in protein oleoylation after immune cell activation. Finally, this reaction can be integrated into a multiplexed bioorthogonal reaction workflow by combining it with two sequential copper‐catalysed Huisgen ligation reactions. This allows for the study of multiple biomolecules in the cell simultaneously by multimodal confocal imaging.
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Affiliation(s)
- Kristine Bertheussen
- Department of Bio-Organic Synthesis Leiden Institute of Chemistry Leiden University Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Merel van de Plassche
- Department of Bio-Organic Synthesis Leiden Institute of Chemistry Leiden University Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Thomas Bakkum
- Department of Bio-Organic Synthesis Leiden Institute of Chemistry Leiden University Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Berend Gagestein
- Department of Molecular Physiology Leiden Institute of Chemistry Leiden University Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Iakovia Ttofi
- Department of Molecular Physiology Leiden Institute of Chemistry Leiden University Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Alexi J. C. Sarris
- Department of Bio-Organic Synthesis Leiden Institute of Chemistry Leiden University Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Herman S. Overkleeft
- Department of Bio-Organic Synthesis Leiden Institute of Chemistry Leiden University Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Mario van der Stelt
- Department of Molecular Physiology Leiden Institute of Chemistry Leiden University Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Sander I. van Kasteren
- Department of Bio-Organic Synthesis Leiden Institute of Chemistry Leiden University Einsteinweg 55 2333 CC Leiden The Netherlands
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21
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Parle D, Bulat F, Fouad S, Zecchini H, Brindle KM, Neves AA, Leeper FJ. Metabolic Glycan Labeling of Cancer Cells Using Variably Acetylated Monosaccharides. Bioconjug Chem 2022; 33:1467-1473. [PMID: 35876696 PMCID: PMC9389531 DOI: 10.1021/acs.bioconjchem.2c00169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 07/06/2022] [Indexed: 11/30/2022]
Abstract
Methylcyclopropene (Cyoc)-tagged tetra-acetylated monosaccharides, and in particular mannosamine derivatives, are promising tools for medical imaging of cancer using metabolic oligosaccharide engineering and the extremely fast inverse electron-demand Diels-Alder bioorthogonal reaction. However, the in vivo potential of these monosaccharide derivatives has yet to be fully explored due to their low aqueous solubility. To address this issue, we sought to vary the extent of acetylation of Cyoc-tagged monosaccharides and probe its effect on the extent of glycan labeling in various cancer cell lines. We demonstrate that, in the case of AcxManNCyoc, tri- and diacetylated derivatives generated significantly enhanced cell labeling compared to the tetra-acetylated monosaccharide. In contrast, for the more readily soluble azide-tagged sugars, a decrease in acetylation led to decreased glycan labeling. Ac3ManNCyoc gave better labeling than the azido-tagged Ac4ManNAz and has significant potential for in vitro and in vivo imaging of glycosylated cancer biomarkers.
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Affiliation(s)
- Daniel
R. Parle
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Flaviu Bulat
- Cancer
Research UK Cambridge Institute, University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, United Kingdom
| | - Shahd Fouad
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Heather Zecchini
- Cancer
Research UK Cambridge Institute, University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, United Kingdom
| | - Kevin M. Brindle
- Cancer
Research UK Cambridge Institute, University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, United Kingdom
| | - André A. Neves
- Cancer
Research UK Cambridge Institute, University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, United Kingdom
| | - Finian J. Leeper
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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22
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Bertheussen K, van de Plassche M, Bakkum T, Gagestein B, Ttofi I, Sarris AJ, Overkleeft HS, van der Stelt M, van Kasteren SI. Live‐Cell Imaging of Sterculic Acid – a Naturally Occurring 1,2‐Cyclopropene Fatty Acid – by Bioorthogonal Reaction with Turn‐On Tetrazine‐Fluorophore Conjugates. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202207640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kristine Bertheussen
- Leiden University: Universiteit Leiden Leiden Institute of Chemistry NETHERLANDS
| | | | - Thomas Bakkum
- Leiden University: Universiteit Leiden Leiden Institute of Chemistry NETHERLANDS
| | - Berend Gagestein
- Leiden University: Universiteit Leiden Leiden Institute of Chemistry NETHERLANDS
| | - Iakovia Ttofi
- Leiden University: Universiteit Leiden Leiden Institute of Chemistry NETHERLANDS
| | - Alexi J.C. Sarris
- Leiden University: Universiteit Leiden Leiden Institute of Chemistry NETHERLANDS
| | - Herman S. Overkleeft
- Leiden University: Universiteit Leiden Leiden Institute of Chemistry NETHERLANDS
| | - Mario van der Stelt
- Leiden University: Universiteit Leiden Leiden Institute of Chemistry NETHERLANDS
| | - Sander Izaak van Kasteren
- Leiden University Leiden Institute of Chemistry Gorlaeus LaboratoryEinsteinweg 55 2333 CC Leiden NETHERLANDS
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23
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Svatunek D, Wilkovitsch M, Hartmann L, Houk KN, Mikula H. Uncovering the Key Role of Distortion in Bioorthogonal Tetrazine Tools That Defy the Reactivity/Stability Trade-Off. J Am Chem Soc 2022; 144:8171-8177. [PMID: 35500228 PMCID: PMC9100665 DOI: 10.1021/jacs.2c01056] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
![]()
The tetrazine/trans-cyclooctene ligation stands
out from the bioorthogonal toolbox due to its exceptional reaction
kinetics, enabling multiple molecular technologies in vitro and in
living systems. Highly reactive 2-pyridyl-substituted tetrazines have
become state of the art for time-critical processes and selective
reactions at very low concentrations. It is widely accepted that the
enhanced reactivity of these chemical tools is attributed to the electron-withdrawing
effect of the heteroaryl substituent. In contrast, we show that the
observed reaction rates are way too high to be explained on this basis.
Computational investigation of this phenomenon revealed that distortion
of the tetrazine caused by intramolecular repulsive N–N interaction
plays a key role in accelerating the cycloaddition step. We show that
the limited stability of tetrazines in biological media strongly correlates
with the electron-withdrawing effect of the substituent, while intramolecular
repulsion increases the reactivity without reducing the stability.
These fundamental insights reveal thus far overlooked mechanistic
aspects that govern the reactivity/stability trade-off for tetrazines
in physiologically relevant environments, thereby providing a new
strategy that may facilitate the rational design of these bioorthogonal
tools.
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Affiliation(s)
- Dennis Svatunek
- Institute of Applied Synthetic Chemistry, TU Wien 1060 Vienna, Austria
| | | | - Lea Hartmann
- Institute of Applied Synthetic Chemistry, TU Wien 1060 Vienna, Austria
| | - K N Houk
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles 90095, United States
| | - Hannes Mikula
- Institute of Applied Synthetic Chemistry, TU Wien 1060 Vienna, Austria
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24
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Heiss TK, Dorn RS, Ferreira AJ, Love AC, Prescher JA. Fluorogenic Cyclopropenones for Multicomponent, Real-Time Imaging. J Am Chem Soc 2022; 144:7871-7880. [PMID: 35442034 PMCID: PMC9377832 DOI: 10.1021/jacs.2c02058] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Fluorogenic bioorthogonal reactions enable biomolecule visualization in real time. These reactions comprise reporters that "light up" upon reaction with complementary partners. While the spectrum of fluorogenic chemistries is expanding, few transformations are compatible with live cells due to cross-reactivities or insufficient signal turn-on. To address the need for more suitable chemistries for cellular imaging, we developed a fluorogenic reaction featuring cyclopropenone reporters and phosphines. The transformation involves regioselective activation and cyclization of cyclopropenones to form coumarin products. With optimal probes, the reaction provides >1600-fold signal turn-on, one of the highest fluorescence enhancements reported to date. The bioorthogonal motifs were evaluated in vitro and in cells. The reaction was also found to be compatible with other common fluorogenic transformations, enabling multicomponent, real-time imaging. Collectively, these data suggest that the cyclopropenone-phosphine reaction will bolster efforts to track biomolecule targets in their native settings.
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Affiliation(s)
- Tyler K Heiss
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Robert S Dorn
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Andrew J Ferreira
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Anna C Love
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Jennifer A Prescher
- Department of Chemistry, University of California, Irvine, California 92697, United States.,Molecular Biology & Biochemistry, University of California, Irvine, California 92697, United States.,Pharmaceutical Sciences, University of California, Irvine, California 92697, United States
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25
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Xu W, Shao Z, Tang C, Zhang C, Chen Y, Liang Y. Fluorogenic sydnonimine probes for orthogonal labeling. Org Biomol Chem 2022; 20:5953-5957. [PMID: 35311845 DOI: 10.1039/d2ob00159d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A FRET-based fluorescence turn-on probe is designed, which employs a sydnonimine as the linker to match specific fluorophore and quencher pairs and releases the fluorescence after the "click-and-release" reaction. Furthermore, we realized selective fluorescence labeling by exploiting the mutual orthogonality between sydnonimine-DIBAC and tetrazine-1,3-Cp cycloaddition pairs.
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Affiliation(s)
- Wenyuan Xu
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
| | - Zhuzhou Shao
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
| | - Cheng Tang
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
| | - Chun Zhang
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China.
| | - Yinghan Chen
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
| | - Yong Liang
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
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26
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Banahene N, Kavunja HW, Swarts BM. Chemical Reporters for Bacterial Glycans: Development and Applications. Chem Rev 2022; 122:3336-3413. [PMID: 34905344 PMCID: PMC8958928 DOI: 10.1021/acs.chemrev.1c00729] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Bacteria possess an extraordinary repertoire of cell envelope glycans that have critical physiological functions. Pathogenic bacteria have glycans that are essential for growth and virulence but are absent from humans, making them high-priority targets for antibiotic, vaccine, and diagnostic development. The advent of metabolic labeling with bioorthogonal chemical reporters and small-molecule fluorescent reporters has enabled the investigation and targeting of specific bacterial glycans in their native environments. These tools have opened the door to imaging glycan dynamics, assaying and inhibiting glycan biosynthesis, profiling glycoproteins and glycan-binding proteins, and targeting pathogens with diagnostic and therapeutic payload. These capabilities have been wielded in diverse commensal and pathogenic Gram-positive, Gram-negative, and mycobacterial species─including within live host organisms. Here, we review the development and applications of chemical reporters for bacterial glycans, including peptidoglycan, lipopolysaccharide, glycoproteins, teichoic acids, and capsular polysaccharides, as well as mycobacterial glycans, including trehalose glycolipids and arabinan-containing glycoconjugates. We cover in detail how bacteria-targeting chemical reporters are designed, synthesized, and evaluated, how they operate from a mechanistic standpoint, and how this information informs their judicious and innovative application. We also provide a perspective on the current state and future directions of the field, underscoring the need for interdisciplinary teams to create novel tools and extend existing tools to support fundamental and translational research on bacterial glycans.
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27
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Bioorthogonal Ligation‐Activated Fluorogenic FRET Dyads. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202111855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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28
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Qi G, Liu X, Shi L, Wu M, Liu J, Liu B. Enzyme-Mediated Intracellular Polymerization of AIEgens for Light-Up Tumor Localization and Theranostics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2106885. [PMID: 34798686 DOI: 10.1002/adma.202106885] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/11/2021] [Indexed: 06/13/2023]
Abstract
Improving the enrichment of drugs or theranostic agents within tumors is vital to achieve effective cancer diagnosis and therapy with reduced dosage and damage to normal tissues. In this work, an enzyme-mediated aggregation-induced emission fluorogen (AIEgen) intracellular polymerization strategy that can simultaneously promote the accumulation and retention of the AIEgen in the tumor for prolonged imaging and enhanced tumor growth inhibition is described. An AIEgen-peptide conjugate (D2P1) and cyanobenzothiazole-cysteine (3CBT) that can undergo rapid condensation reaction to form nanoaggregates in tumor cells are rationally designed. Upon tumor-specific cathepsin protease reaction, the cleavage of peptides induces condensate polymerization between the exposed cysteine and 2-cyanobenzothiazole on 3CBT, triggering accumulation of D2P1 into the tumor site, leading to fluorescence light-up. Such enzyme-mediated polymerization of D2P1 and 3CBT alters cellular motility via disrupting actin organization and in turn inhibiting cell proliferation. In addition, due to the built-in intrinsic photosensitization property of the AIEgen, the accumulation of D2P1 can remarkably promote the tumor photodynamic therapy effect in vivo under light irradiation. This study thus represents the enzyme-mediated intracellular polymerization system with high potential to improve the diagnostic and therapeutic outcomes of tumors in vivo.
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Affiliation(s)
- Guobin Qi
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Xingang Liu
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Leilei Shi
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Min Wu
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Jingjing Liu
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Bin Liu
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, China
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29
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Kumar GS, Racioppi S, Zurek E, Lin Q. Superfast Tetrazole-BCN Cycloaddition Reaction for Bioorthogonal Protein Labeling on Live Cells. J Am Chem Soc 2022; 144:57-62. [PMID: 34964645 PMCID: PMC8982153 DOI: 10.1021/jacs.1c10354] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Here we report the design of a superfast bioorthogonal ligation reactant pair comprising a sterically shielded, sulfonated tetrazole and bicyclo[6.1.0]non-4-yn-9-ylmethanol (BCN). The design involves placing a pair of water-soluble N-sulfonylpyrrole substituents at the C-phenyl ring of diphenyltetrazoles to favor the photoinduced cycloaddition reaction over the competing nucleophilic additions. First-principles computations provide vital insights into the origin of the tetrazole-BCN cycloaddition's superior kinetics compared to the tetrazole-spirohexene cycloaddition. The tetrazole-BCN cycloaddition also enabled rapid bioorthogonal labeling of glucagon receptors on live cells in as little as 15 s.
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Affiliation(s)
- Gangam Srikanth Kumar
- Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260-3000, United States
| | - Stefano Racioppi
- Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260-3000, United States
| | - Eva Zurek
- Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260-3000, United States
| | - Qing Lin
- Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260-3000, United States
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30
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Albitz E, Kern D, Kormos A, Bojtár M, Török G, Biró A, Szatmári Á, Németh K, Kele P. Bioorthogonal Ligation-Activated Fluorogenic FRET Dyads. Angew Chem Int Ed Engl 2021; 61:e202111855. [PMID: 34861094 PMCID: PMC9305863 DOI: 10.1002/anie.202111855] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Indexed: 12/04/2022]
Abstract
An energy transfer‐based signal amplification relay concept enabling transmission of bioorthogonally activatable fluorogenicity of blue‐excitable coumarins to yellow/red emitting cyanine frames is presented. Such relay mechanism resulted in improved cyanine fluorogenicities together with increased photostabilities and large apparent Stokes‐shifts allowing lower background fluorescence even in no‐wash bioorthogonal fluorogenic labeling schemes of intracellular structures in live cells. These energy transfer dyads sharing the same donor moiety together with their parent donor molecule allowed three‐color imaging of intracellular targets using one single excitation source with separate emission windows. Sub‐diffraction imaging of intracellular structures using the bioorthogonally activatable FRET dyads by STED microscopy is also presented.
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Affiliation(s)
- Evelin Albitz
- Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar tudósok krt. 2, 1117, Budapest, Hungary.,Hevesy György PhD School of Chemistry, Eötvös Loránd University, Pázmány Péter sétány 1/a, 1117, Budapest, Hungary
| | - Dóra Kern
- Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar tudósok krt. 2, 1117, Budapest, Hungary.,Hevesy György PhD School of Chemistry, Eötvös Loránd University, Pázmány Péter sétány 1/a, 1117, Budapest, Hungary
| | - Attila Kormos
- Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar tudósok krt. 2, 1117, Budapest, Hungary
| | - Márton Bojtár
- Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar tudósok krt. 2, 1117, Budapest, Hungary
| | - György Török
- Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar tudósok krt. 2, 1117, Budapest, Hungary.,Department of Biophysics and Radiation Biology, Semmelweis University, Tűzoltó u. 37-47, 1094, Budapest, Hungary
| | - Adrienn Biró
- Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar tudósok krt. 2, 1117, Budapest, Hungary
| | - Ágnes Szatmári
- Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar tudósok krt. 2, 1117, Budapest, Hungary
| | - Krisztina Németh
- Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar tudósok krt. 2, 1117, Budapest, Hungary
| | - Péter Kele
- Chemical Biology Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar tudósok krt. 2, 1117, Budapest, Hungary
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31
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Dadina N, Tyson J, Zheng S, Lesiak L, Schepartz A. Imaging organelle membranes in live cells at the nanoscale with lipid-based fluorescent probes. Curr Opin Chem Biol 2021; 65:154-162. [PMID: 34715587 PMCID: PMC9904808 DOI: 10.1016/j.cbpa.2021.09.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 12/14/2022]
Abstract
Understanding how organelles interact, exchange materials, assemble, disassemble, and evolve as a function of space, time, and environment is an exciting area at the very forefront of chemical and cell biology. Here, we bring attention to recent progress in the design and application of lipid-based tools to visualize and interrogate organelles in live cells, especially at super resolution. We highlight strategies that rely on modification of natural lipids or lipid-like small molecules ex cellula, where organelle specificity is provided by the structure of the chemically modified lipid, or in cellula using cellular machinery, where an enzyme labels the lipid in situ. We also describe recent improvements to the chemistry upon which lipid probes rely, many of which have already begun to broaden the scope of biological questions that can be addressed by imaging organelle membranes at the nanoscale.
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Affiliation(s)
- N. Dadina
- Department of Chemistry, University of California, Berkeley 94720, USA
| | - J. Tyson
- Department of Chemistry, University of California, Berkeley 94720, USA
| | - S. Zheng
- Department of Chemistry, University of California, Berkeley 94720, USA
| | - L. Lesiak
- Department of Chemistry, University of California, Berkeley 94720, USA
| | - A. Schepartz
- Department of Chemistry, University of California, Berkeley 94720, USA,Department of Molecular & Cell Biology, University of California, Berkeley 94720, USA,California Institute for Quantitative Biosciences, University of California, Berkeley 94720, USA
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32
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Werther P, Yserentant K, Braun F, Grußmayer K, Navikas V, Yu M, Zhang Z, Ziegler MJ, Mayer C, Gralak AJ, Busch M, Chi W, Rominger F, Radenovic A, Liu X, Lemke EA, Buckup T, Herten DP, Wombacher R. Bio-orthogonal Red and Far-Red Fluorogenic Probes for Wash-Free Live-Cell and Super-resolution Microscopy. ACS CENTRAL SCIENCE 2021; 7:1561-1571. [PMID: 34584958 PMCID: PMC8461766 DOI: 10.1021/acscentsci.1c00703] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Indexed: 05/08/2023]
Abstract
Small-molecule fluorophores enable the observation of biomolecules in their native context with fluorescence microscopy. Specific labeling via bio-orthogonal tetrazine chemistry combines minimal label size with rapid labeling kinetics. At the same time, fluorogenic tetrazine-dye conjugates exhibit efficient quenching of dyes prior to target binding. However, live-cell compatible long-wavelength fluorophores with strong fluorogenicity have been difficult to realize. Here, we report close proximity tetrazine-dye conjugates with minimal distance between tetrazine and the fluorophore. Two synthetic routes give access to a series of cell-permeable and -impermeable dyes including highly fluorogenic far-red emitting derivatives with electron exchange as the dominant excited-state quenching mechanism. We demonstrate their potential for live-cell imaging in combination with unnatural amino acids, wash-free multicolor and super-resolution STED, and SOFI imaging. These dyes pave the way for advanced fluorescence imaging of biomolecules with minimal label size.
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Affiliation(s)
- Philipp Werther
- Institute
of Pharmacy and Molecular Biotechnology, Heidelberg University, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
| | - Klaus Yserentant
- Institute
of Physical Chemistry, Heidelberg University, Im Neuenheimer Feld 229, 69120 Heidelberg, Germany
- Centre
of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Edgbaston, B15 2TT Birmingham, U.K.
- College
of Medical and Dental Sciences, Medical School & School of Chemistry, University of Birmingham, Edgbaston, B15 2TT Birmingham, U.K.
- Faculty
of Biosciences, Heidelberg University, Im Neuenheimer Feld 234, 69120 Heidelberg, Germany
| | - Felix Braun
- Institute
of Physical Chemistry, Heidelberg University, Im Neuenheimer Feld 229, 69120 Heidelberg, Germany
| | - Kristin Grußmayer
- Laboratory
of Nanoscale Biology, École Polytechnique
Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
- Delft
University of Technology, Kavli Institute
of Nanoscience, Department of Bionanoscience, Van der Maasweg 9, 2629 HZ Delft, The Netherlands
| | - Vytautas Navikas
- Laboratory
of Nanoscale Biology, École Polytechnique
Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Miao Yu
- Biocenter
Mainz, Departments of Biology and Chemistry, Johannes Gutenberg University, Hanns-Dieter-Hüsch-Weg 17, 55128 Mainz, Germany
- Institute
of Molecular Biology, Ackermannweg 4, 55128 Mainz, Germany
- Structural
and Computational Biology Unit, Cell Biology and Biophysics
Unit, EMBL, Meyerhofstraße 1, 69117 Heidelberg, Germany
| | - Zhibin Zhang
- Institute
of Physical Chemistry, Heidelberg University, Im Neuenheimer Feld 229, 69120 Heidelberg, Germany
- National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Building 2A, Yikuang Str.2, Harbin 150080, China
| | - Michael J. Ziegler
- Institute
of Pharmacy and Molecular Biotechnology, Heidelberg University, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
- Department of Chemical Biology, Max Planck
Institute for Medical Research, Jahnstraße 29, 69120 Heidelberg, Germany
| | - Christoph Mayer
- Institute
of Pharmacy and Molecular Biotechnology, Heidelberg University, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
| | - Antoni J. Gralak
- Institute
of Pharmacy and Molecular Biotechnology, Heidelberg University, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
| | - Marvin Busch
- Institute
of Pharmacy and Molecular Biotechnology, Heidelberg University, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
| | - Weijie Chi
- Fluorescence Research Group, Singapore
University of Technology and Design, 8 Somapah Road, 487372 Singapore
| | - Frank Rominger
- Institute of Organic Chemistry, Heidelberg
University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Aleksandra Radenovic
- Laboratory
of Nanoscale Biology, École Polytechnique
Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Xiaogang Liu
- Fluorescence Research Group, Singapore
University of Technology and Design, 8 Somapah Road, 487372 Singapore
| | - Edward A. Lemke
- Biocenter
Mainz, Departments of Biology and Chemistry, Johannes Gutenberg University, Hanns-Dieter-Hüsch-Weg 17, 55128 Mainz, Germany
- Institute
of Molecular Biology, Ackermannweg 4, 55128 Mainz, Germany
- Structural
and Computational Biology Unit, Cell Biology and Biophysics
Unit, EMBL, Meyerhofstraße 1, 69117 Heidelberg, Germany
| | - Tiago Buckup
- Institute
of Physical Chemistry, Heidelberg University, Im Neuenheimer Feld 229, 69120 Heidelberg, Germany
| | - Dirk-Peter Herten
- Institute
of Physical Chemistry, Heidelberg University, Im Neuenheimer Feld 229, 69120 Heidelberg, Germany
- Centre
of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Edgbaston, B15 2TT Birmingham, U.K.
- College
of Medical and Dental Sciences, Medical School & School of Chemistry, University of Birmingham, Edgbaston, B15 2TT Birmingham, U.K.
| | - Richard Wombacher
- Institute
of Pharmacy and Molecular Biotechnology, Heidelberg University, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
- Department of Chemical Biology, Max Planck
Institute for Medical Research, Jahnstraße 29, 69120 Heidelberg, Germany
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33
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Kang D, Cheung ST, Kim J. Bioorthogonal Hydroamination of Push-Pull-Activated Linear Alkynes. Angew Chem Int Ed Engl 2021; 60:16947-16952. [PMID: 34019705 DOI: 10.1002/anie.202104863] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/16/2021] [Indexed: 01/14/2023]
Abstract
A bioorthogonal reaction between N,N-dialkylhydroxylamines and push-pull-activated halogenated alkynes is described. We explore the use of rehybridization effects in activating alkynes, and we show that electronic effects, when competing stereoelectronic and inductive factors are properly balanced, sufficiently activate a linear alkyne in the uncatalyzed conjugative retro-Cope elimination reaction while adequately protecting it against cellular nucleophiles. This design preserves the low steric profile of an alkyne and pairs it with a comparably unobtrusive hydroxylamine. The kinetics are on par with those of the fastest strain-promoted azide-alkyne cycloaddition reactions, the products regioselectively formed, the components sufficiently stable and easily installed, and the reaction suitable for cellular labeling.
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Affiliation(s)
- Dahye Kang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA.,Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, 02115, USA
| | - Sheldon T Cheung
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA.,Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, 02115, USA
| | - Justin Kim
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA.,Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, 02115, USA
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34
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Zawada Z, Guo Z, Oliveira BL, Navo CD, Li H, Cal PMSD, Corzana F, Jiménez-Osés G, Bernardes GJL. Arylethynyltrifluoroborate Dienophiles for on Demand Activation of IEDDA Reactions. Bioconjug Chem 2021; 32:1812-1822. [PMID: 34264651 PMCID: PMC8806140 DOI: 10.1021/acs.bioconjchem.1c00276] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
![]()
Strained
alkenes and alkynes are the predominant dienophiles used
in inverse electron demand Diels–Alder (IEDDA) reactions. However,
their instability, cross-reactivity, and accessibility are problematic.
Unstrained dienophiles, although physiologically stable and synthetically
accessible, react with tetrazines significantly slower relative to
strained variants. Here we report the development of potassium arylethynyltrifluoroborates
as unstrained dienophiles for fast, chemically triggered IEDDA reactions.
By varying the substituents on the tetrazine (e.g., pyridyl- to benzyl-substituents),
cycloaddition kinetics can vary from fast (k2 = 21 M–1 s–1) to no reaction
with an alkyne-BF3 dienophile. The reported system was
applied to protein labeling both in the test tube and fixed cells
and even enabled mutually orthogonal labeling of two distinct proteins.
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Affiliation(s)
- Zbigniew Zawada
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, United Kingdom
| | - Zijian Guo
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, United Kingdom
| | - Bruno L Oliveira
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, United Kingdom.,Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Avenida Professor Egas Moniz, 1649-028 Lisboa, Portugal
| | - Claudio D Navo
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technological Park, Building 801A, 48160 Derio-Bizkaia, Spain
| | - He Li
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, United Kingdom
| | - Pedro M S D Cal
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Avenida Professor Egas Moniz, 1649-028 Lisboa, Portugal
| | - Francisco Corzana
- Departamento de Química, Universidad de La Rioja, Centro de Investigación en Síntesis Química, 26006 Logroño, Spain
| | - Gonzalo Jiménez-Osés
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technological Park, Building 801A, 48160 Derio-Bizkaia, Spain.,lkerbasque, Basque Foundation for Science, Plaza Euskadi 5, 48009 Bilbao, Spain
| | - Gonçalo J L Bernardes
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, United Kingdom.,Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Avenida Professor Egas Moniz, 1649-028 Lisboa, Portugal
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35
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Kang D, Cheung ST, Kim J. Bioorthogonal Hydroamination of Push–Pull‐Activated Linear Alkynes. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202104863] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Dahye Kang
- Department of Cancer Biology Dana-Farber Cancer Institute Boston MA 02215 USA
- Department of Biological Chemistry and Molecular Pharmacology Harvard Medical School Boston MA 02115 USA
| | - Sheldon T. Cheung
- Department of Cancer Biology Dana-Farber Cancer Institute Boston MA 02215 USA
- Department of Biological Chemistry and Molecular Pharmacology Harvard Medical School Boston MA 02115 USA
| | - Justin Kim
- Department of Cancer Biology Dana-Farber Cancer Institute Boston MA 02215 USA
- Department of Biological Chemistry and Molecular Pharmacology Harvard Medical School Boston MA 02115 USA
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36
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Bilodeau DA, Margison KD, Serhan M, Pezacki JP. Bioorthogonal Reactions Utilizing Nitrones as Versatile Dipoles in Cycloaddition Reactions. Chem Rev 2021; 121:6699-6717. [PMID: 33464040 DOI: 10.1021/acs.chemrev.0c00832] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Bioorthogonal chemical reactions have emerged as convenient and rapid methods for incorporating unnatural functionality into living systems. Different prototype reactions have been optimized for use in biological settings. Optimization of 3 + 2 dipolar cycloadditions involving nitrones has resulted in highly efficient reaction conditions for bioorthogonal chemistry. Through substitution at the nitrone carbon or nitrogen atom, stereoelectronic tuning of the reactivity of the dipole has assisted in optimizing reactivity. Nitrones have been shown to react rapidly with cyclooctynes with bimolecular rate constants approaching k2 = 102 M-1 s-1, which are among the fastest bioorthogonal reactions reported (McKay et al. Org. Biomol. Chem. 2012, 10, 3066-3070). Nitrones have also been shown to react with trans-cyclooctenes (TCO) in strain-promoted TCO-nitrone cycloadditions reactions. Copper catalyzed reactions involving alkynes and nitrones have also been optimized for applications in biology. This review provides a comprehensive accounting of the different bioorthogonal reactions that have been developed using nitrones as versatile reactants, and provides some recent examples of applications for probing biological systems.
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Affiliation(s)
- Didier A Bilodeau
- Department of Chemistry and Biomolecular Science, University of Ottawa, 10 Marie Curie, Ottawa, Ontario K1N 6N5, Canada
| | - Kaitlyn D Margison
- Department of Chemistry and Biomolecular Science, University of Ottawa, 10 Marie Curie, Ottawa, Ontario K1N 6N5, Canada
| | - Mariam Serhan
- Department of Chemistry and Biomolecular Science, University of Ottawa, 10 Marie Curie, Ottawa, Ontario K1N 6N5, Canada
| | - John Paul Pezacki
- Department of Chemistry and Biomolecular Science, University of Ottawa, 10 Marie Curie, Ottawa, Ontario K1N 6N5, Canada
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37
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Abstract
RNAs are involved in an enormous range of cellular processes, including gene regulation, protein synthesis, and cell differentiation, and dysfunctional RNAs are associated with disorders such as cancers, neurodegenerative diseases, and viral infections. Thus, the identification of compounds with the ability to bind RNAs and modulate their functions is an exciting approach for developing next-generation therapies. Numerous RNA-binding agents have been reported over the past decade, but the design of synthetic molecules with selectivity for specific RNA sequences is still in its infancy. In this perspective, we highlight recent advances in targeting RNAs with synthetic molecules, and we discuss the potential value of this approach for the development of innovative therapeutic agents.
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Affiliation(s)
- Farzad Zamani
- The Institute of Scientific and Industrial Research, Osaka University, Mihogaoka 8-1, Ibaraki, Osaka 567-0047, Japan
| | - Takayoshi Suzuki
- The Institute of Scientific and Industrial Research, Osaka University, Mihogaoka 8-1, Ibaraki, Osaka 567-0047, Japan
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38
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Gao Z, Li Y, Liu Z, Zhang Y, Chen F, An P, Lu W, Hu J, You C, Xu J, Zhang X, Sun B. Small-Molecule-Selective Organosilica Nanoreactors for Copper-Catalyzed Azide-Alkyne Cycloaddition Reactions in Cellular and Living Systems. NANO LETTERS 2021; 21:3401-3409. [PMID: 33843242 DOI: 10.1021/acs.nanolett.0c04930] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
We reported the synthesis of a tris(triazolylmethyl)amine (TTA)-bridged organosilane, functioning as Cu(I)-stabilizing ligands, and the installation of this building block into the backbone of mesoporous organosilica nanoparticles (TTASi) by a sol-gel way. Upon coordinating with Cu(I), the mesoporous CuI-TTASi, with a restricted metal active center inside the pore, functions as a molecular-sieve-typed nanoreactor to efficiently perform Cu(I)-catalyzed alkyne-azide cycloaddition (CuAAC) reactions on small-molecule substrates but fails to work on macromolecules larger than the pore diameter. As a proof of concept, we witnessed the advantages of selective nanoreactors in screening protein substrates for small molecules. Also, the robust CuI-TTASi could be implanted into the body of animal models including zebrafish and mice as biorthogonal catalysts without apparent toxicity, extending its utilization in vivo ranging from fluorescent labeling to in situ drug synthesis.
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Affiliation(s)
- Zhiguo Gao
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210089, PR China
| | - Yaojia Li
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210089, PR China
| | - Zhikun Liu
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210089, PR China
| | - Yu Zhang
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210089, PR China
| | - Fanghui Chen
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210089, PR China
| | - Peijing An
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210089, PR China
| | - Wenjun Lu
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210089, PR China
| | - Jinzhong Hu
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210089, PR China
| | - Chaoqun You
- College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, PR China
| | - Jun Xu
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, PR China
| | - Xiangyang Zhang
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, PR China
| | - Baiwang Sun
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210089, PR China
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39
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Haiber LM, Kufleitner M, Wittmann V. Application of the Inverse-Electron-Demand Diels-Alder Reaction for Metabolic Glycoengineering. Front Chem 2021; 9:654932. [PMID: 33928067 PMCID: PMC8076787 DOI: 10.3389/fchem.2021.654932] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 02/18/2021] [Indexed: 12/23/2022] Open
Abstract
The inverse electron-demand Diels-Alder (IEDDA or DAinv) reaction is an emerging bioorthogonal ligation reaction that finds application in all areas of chemistry and chemical biology. In this review we highlight its application in metabolic glycoengineering (MGE). MGE is a versatile tool to introduce unnatural sugar derivatives that are modified with a chemical reporter group into cellular glycans. The IEDDA reaction can then be used to modify the chemical reporter group allowing, for instance, the visualization or isolation of glycoconjugates. During the last years, many different sugar derivatives as well as reporter groups have been published. These probes are summarized, and their chemical and biological properties are discussed. Furthermore, we discuss examples of MGE and subsequent IEDDA reaction that highlight its suitability for application within living systems.
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Affiliation(s)
| | | | - Valentin Wittmann
- Department of Chemistry and Konstanz Research School Chemical Biology (KoRS-CB), University of Konstanz, Konstanz, Germany
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40
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Suazo KF, Park KY, Distefano MD. A Not-So-Ancient Grease History: Click Chemistry and Protein Lipid Modifications. Chem Rev 2021; 121:7178-7248. [PMID: 33821625 DOI: 10.1021/acs.chemrev.0c01108] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Protein lipid modification involves the attachment of hydrophobic groups to proteins via ester, thioester, amide, or thioether linkages. In this review, the specific click chemical reactions that have been employed to study protein lipid modification and their use for specific labeling applications are first described. This is followed by an introduction to the different types of protein lipid modifications that occur in biology. Next, the roles of click chemistry in elucidating specific biological features including the identification of lipid-modified proteins, studies of their regulation, and their role in diseases are presented. A description of the use of protein-lipid modifying enzymes for specific labeling applications including protein immobilization, fluorescent labeling, nanostructure assembly, and the construction of protein-drug conjugates is presented next. Concluding remarks and future directions are presented in the final section.
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Affiliation(s)
- Kiall F Suazo
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Keun-Young Park
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Mark D Distefano
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
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41
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Chen PP, Ma P, He X, Svatunek D, Liu F, Houk KN. Computational Exploration of Ambiphilic Reactivity of Azides and Sustmann's Paradigmatic Parabola. J Org Chem 2021; 86:5792-5804. [PMID: 33769821 PMCID: PMC8154615 DOI: 10.1021/acs.joc.1c00239] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
We
examine the theoretical underpinnings of the seminal discoveries
by Reiner Sustmann about the ambiphilic nature of Huisgen’s
phenyl azide cycloadditions. Density functional calculations with
ωB97X-D and B2PLYP-D3 reproduce the experimental data and provide
insights into ambiphilic control of reactivity. Distortion/interaction-activation
strain and energy decomposition analyses show why Sustmann’s
use of dipolarophile ionization potential is such a powerful predictor
of reactivity. We add to Sustmann’s data set several modern
distortion-accelerated dipolarophiles used in bioorthogonal chemistry
to show how these fit into the orbital energy criteria that are often
used to understand cycloaddition reactivity. We show why such a simple
indicator of reactivity is a powerful predictor of reaction rates
that are actually controlled by a combination of distortion energies,
charge transfer, closed-shell repulsion, polarization, and electrostatic
effects.
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Affiliation(s)
- Pan-Pan Chen
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095-1569, United States
| | - Pengchen Ma
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095-1569, United States
| | - Xue He
- College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Dennis Svatunek
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095-1569, United States
| | - Fang Liu
- College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Kendall N Houk
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095-1569, United States
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42
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Cauwel M, Guillou C, Renault K, Schapman D, Bénard M, Galas L, Cosette P, Renard PY, Sabot C. 3-Benzoylquinoxalinone as a photoaffinity labelling derivative with fluorogenic properties allowing reaction monitoring under "no-wash" conditions. Chem Commun (Camb) 2021; 57:3893-3896. [PMID: 33871509 DOI: 10.1039/d1cc01072g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Described herein is a quinoxalinone-based photoaffinity probe with caged fluorescence properties. Upon visible blue LED irradiation (λmax 450 nm), this photo-crosslinker is able to covalently capture proteins with concomitant fluorescence labelling. This process enables monitoring applications under "no wash" conditions.
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Affiliation(s)
- Madeleine Cauwel
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014), Rouen 76000, France.
| | - Clément Guillou
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, PBS-UMR6270 CNRS, PISSARO Proteomics Facility, IRIB, Rouen 76000, France
| | - Kévin Renault
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014), Rouen 76000, France.
| | - Damien Schapman
- Normandie Univ, Inserm, UNIROUEN, PRIMACEN, Cell Imaging Platform of Normandy, IRIB, Rouen 76000, France
| | - Magalie Bénard
- Normandie Univ, Inserm, UNIROUEN, PRIMACEN, Cell Imaging Platform of Normandy, IRIB, Rouen 76000, France
| | - Ludovic Galas
- Normandie Univ, Inserm, UNIROUEN, PRIMACEN, Cell Imaging Platform of Normandy, IRIB, Rouen 76000, France
| | - Pascal Cosette
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, PBS-UMR6270 CNRS, PISSARO Proteomics Facility, IRIB, Rouen 76000, France
| | - Pierre-Yves Renard
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014), Rouen 76000, France.
| | - Cyrille Sabot
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014), Rouen 76000, France.
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43
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Computational studies on the Carboni-Lindsey reaction. COMPUT THEOR CHEM 2021. [DOI: 10.1016/j.comptc.2021.113161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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44
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Sun J, Li J, Sun H, Li C, Wu H. Concise Synthesis of Functionalized Cyclobutene Analogues for Bioorthogonal Tetrazine Ligation. Molecules 2021; 26:E276. [PMID: 33429851 PMCID: PMC7827859 DOI: 10.3390/molecules26020276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 12/29/2020] [Accepted: 01/05/2021] [Indexed: 02/05/2023] Open
Abstract
Novel bioorthogonal tools enable the development of new biomedical applications. Here we report the concise synthesis of a series of aryl-functionalized cyclobutene analogues using commercially available starting materials. Our study demonstrates that cyclobutene acts as a small, strained dienophile to generate stable substrates suitable for bioorthogonal tetrazine ligation.
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Affiliation(s)
- Jiayu Sun
- Department of Radiology, West China Hospital, Sichuan University, Guo Xue Xiang 37, Chengdu 610041, China; (J.S.); (J.L.); (H.S.)
| | - Jie Li
- Department of Radiology, West China Hospital, Sichuan University, Guo Xue Xiang 37, Chengdu 610041, China; (J.S.); (J.L.); (H.S.)
| | - Hongbao Sun
- Department of Radiology, West China Hospital, Sichuan University, Guo Xue Xiang 37, Chengdu 610041, China; (J.S.); (J.L.); (H.S.)
| | - Chunling Li
- Department of Neurosurgery, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu 610072, China
- Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu 610072, China
| | - Haoxing Wu
- Department of Radiology, West China Hospital, Sichuan University, Guo Xue Xiang 37, Chengdu 610041, China; (J.S.); (J.L.); (H.S.)
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45
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Brown NW, Shirley JD, Marshall AP, Carlson EE. Comparison of Bioorthogonal β-Lactone Activity-Based Probes for Selective Labeling of Penicillin-Binding Proteins. Chembiochem 2021; 22:193-202. [PMID: 32964667 PMCID: PMC7790944 DOI: 10.1002/cbic.202000556] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 09/21/2020] [Indexed: 01/20/2023]
Abstract
Penicillin-binding proteins (PBPs) are a family of bacterial enzymes that are key components of cell-wall biosynthesis and the target of β-lactam antibiotics. Most microbial pathogens contain multiple structurally homologous PBP isoforms, making it difficult to target individual PBPs. To study the roles and regulation of specific PBP isoforms, a panel of bioorthogonal β-lactone probes was synthesized and compared. Fluorescent labeling confirmed selectivity, and PBPs were selectively enriched from Streptococcus pneumoniae lysates. Comparisons between fluorescent labeling of probes revealed that the accessibility of bioorthogonal reporter molecules to the bound probe in the native protein environment exerts a more significant effect on labeling intensity than the bioorthogonal reaction used, observations that are likely applicable beyond this class of probes or proteins. Selective, bioorthogonal activity-based probes for PBPs will facilitate the activity-based determination of the roles and regulation of specific PBP isoforms, a key gap in knowledge that has yet to be filled.
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Affiliation(s)
- Nathaniel W Brown
- Department of Chemistry, University of Minnesota-Twin Cities 139 Smith Hall, Pleasant Street SE, Minneapolis, MN, 55455, USA
| | - Joshua D Shirley
- Department of Medicinal Chemistry, University of Minnesota-Twin Cities, 308 Harvard Street SE, Minneapolis, MN, 55455, USA
| | - Andrew P Marshall
- Department of Chemistry, University of Minnesota-Twin Cities 139 Smith Hall, Pleasant Street SE, Minneapolis, MN, 55455, USA
| | - Erin E Carlson
- Department of Chemistry, University of Minnesota-Twin Cities 139 Smith Hall, Pleasant Street SE, Minneapolis, MN, 55455, USA
- Department of Medicinal Chemistry, University of Minnesota-Twin Cities, 308 Harvard Street SE, Minneapolis, MN, 55455, USA
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota-Twin Cities, 321 Church Street SE, Minneapolis, MN, 55455, USA
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46
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Deb T, Tu J, Franzini RM. Mechanisms and Substituent Effects of Metal-Free Bioorthogonal Reactions. Chem Rev 2021; 121:6850-6914. [DOI: 10.1021/acs.chemrev.0c01013] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Titas Deb
- Department of Medicinal Chemistry, University of Utah, 30 S 2000 E, Salt Lake City, Utah 84112, United States
| | - Julian Tu
- Department of Medicinal Chemistry, University of Utah, 30 S 2000 E, Salt Lake City, Utah 84112, United States
| | - Raphael M. Franzini
- Department of Medicinal Chemistry, University of Utah, 30 S 2000 E, Salt Lake City, Utah 84112, United States
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47
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Abstract
Treatment of bis(pyrazolyl)borate ligand supported [(CF3)2Bp]Cu(NCMe) with 1,2,3-trisubstituted cyclopropenes produced thermally stable copper(I) η2-cyclopropene complexes amenable to detailed solution and solid-state analysis. The [(CF3)2Bp]Cu(NCMe) also catalyzed [2 + 1]-cycloaddition chemistry of terminal and internal alkynes with ethyl diazoacetate affording cyclopropenes, including those used as ligands in this work. The tris(pyrazolyl)borate [(CF3)2Tp]Cu(NCMe) is a competent catalyst for this process as well. The treatment of [(CF3)2Tp]Cu with ethyl 2,3-diethylcycloprop-2-enecarboxylate substrate gave an O-bonded rather than a η2-cyclopropene copper complex.
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Affiliation(s)
- Anurag Noonikara-Poyil
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas 76019-0065, United States
| | - Shawn G Ridlen
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas 76019-0065, United States
| | - H V Rasika Dias
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas 76019-0065, United States
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48
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Pinto‐Pacheco B, Carbery WP, Khan S, Turner DB, Buccella D. Fluorescence Quenching Effects of Tetrazines and Their Diels–Alder Products: Mechanistic Insight Toward Fluorogenic Efficiency. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008757] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Brismar Pinto‐Pacheco
- Department of Chemistry New York University 100 Washington Square East New York NY 10003 USA
| | - William P. Carbery
- Department of Chemistry New York University 100 Washington Square East New York NY 10003 USA
| | - Sameer Khan
- Department of Chemistry New York University 100 Washington Square East New York NY 10003 USA
| | - Daniel B. Turner
- Department of Chemistry New York University 100 Washington Square East New York NY 10003 USA
- Current address: Micron School of Materials Science and Engineering Boise State University Boise ID 83725 USA
| | - Daniela Buccella
- Department of Chemistry New York University 100 Washington Square East New York NY 10003 USA
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49
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Pinto-Pacheco B, Carbery WP, Khan S, Turner DB, Buccella D. Fluorescence Quenching Effects of Tetrazines and Their Diels-Alder Products: Mechanistic Insight Toward Fluorogenic Efficiency. Angew Chem Int Ed Engl 2020; 59:22140-22149. [PMID: 33245600 DOI: 10.1002/anie.202008757] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 06/22/2020] [Indexed: 12/22/2022]
Abstract
Inverse electron demand Diels-Alder reactions between s-tetrazines and strained dienophiles have numerous applications in fluorescent labeling of biomolecules. Herein, we investigate the effect of the dienophile on the fluorescence enhancement obtained upon reaction with a tetrazine-quenched fluorophore and study the possible mechanisms of fluorescence quenching by both the tetrazine and its reaction products. The dihydropyridazine obtained from reaction with a strained cyclooctene shows a residual fluorescence quenching effect, greater than that exerted by the pyridazine arising from reaction with the analogous alkyne. Linear and ultrabroadband two-dimensional electronic spectroscopy experiments reveal that resonance energy transfer is the mechanism responsible for the fluorescence quenching effect of tetrazines, whereas a mechanism involving more intimate electronic coupling, likely photoinduced electron transfer, is responsible for the quenching effect of the dihydropyridazine. These studies uncover parameters that can be tuned to maximize fluorogenic efficiency in bioconjugation reactions and reveal that strained alkynes are better reaction partners for achieving maximum contrast ratio.
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Affiliation(s)
- Brismar Pinto-Pacheco
- Department of Chemistry, New York University, 100 Washington Square East, New York, NY, 10003, USA
| | - William P Carbery
- Department of Chemistry, New York University, 100 Washington Square East, New York, NY, 10003, USA
| | - Sameer Khan
- Department of Chemistry, New York University, 100 Washington Square East, New York, NY, 10003, USA
| | - Daniel B Turner
- Department of Chemistry, New York University, 100 Washington Square East, New York, NY, 10003, USA.,Current address: Micron School of Materials Science and Engineering, Boise State University, Boise, ID, 83725, USA
| | - Daniela Buccella
- Department of Chemistry, New York University, 100 Washington Square East, New York, NY, 10003, USA
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50
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Wang Y, Zhang C, Wu H, Feng P. Activation and Delivery of Tetrazine-Responsive Bioorthogonal Prodrugs. Molecules 2020; 25:E5640. [PMID: 33266075 PMCID: PMC7731009 DOI: 10.3390/molecules25235640] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 11/18/2020] [Accepted: 11/26/2020] [Indexed: 02/05/2023] Open
Abstract
Prodrugs, which remain inert until they are activated under appropriate conditions at the target site, have emerged as an attractive alternative to drugs that lack selectivity and show off-target effects. Prodrugs have traditionally been activated by enzymes, pH or other trigger factors associated with the disease. In recent years, bioorthogonal chemistry has allowed the creation of prodrugs that can be chemically activated with spatio-temporal precision. In particular, tetrazine-responsive bioorthogonal reactions can rapidly activate prodrugs with excellent biocompatibility. This review summarized the recent development of tetrazine bioorthogonal cleavage reaction and great promise for prodrug systems.
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Affiliation(s)
- Yayue Wang
- Huaxi MR Research Center, Department of Nuclear Medicine, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China; (Y.W.); (C.Z.)
| | - Chang Zhang
- Huaxi MR Research Center, Department of Nuclear Medicine, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China; (Y.W.); (C.Z.)
| | - Haoxing Wu
- Huaxi MR Research Center, Department of Nuclear Medicine, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China; (Y.W.); (C.Z.)
| | - Ping Feng
- Institute of Clinical Trials, West China Hospital, Sichuan University, Chengdu 610041, China
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