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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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Maru B, Messikommer A, Huang L, Seipel K, Kovecses O, Valk PJM, Theocharides APA, Mercier FE, Pabst T, McKeague M, Luedtke NW. PARP-1 improves leukemia outcomes by inducing parthanatos during chemotherapy. Cell Rep Med 2023; 4:101191. [PMID: 37683650 PMCID: PMC10518631 DOI: 10.1016/j.xcrm.2023.101191] [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: 06/07/2021] [Revised: 02/13/2023] [Accepted: 08/16/2023] [Indexed: 09/10/2023]
Abstract
Previous chemotherapy research has focused almost exclusively on apoptosis. Here, a standard frontline drug combination of cytarabine and idarubicin induces distinct features of caspase-independent, poly(ADP-ribose) polymerase 1 (PARP-1)-mediated programmed cell death "parthanatos" in acute myeloid leukemia (AML) cell lines (n = 3/10 tested), peripheral blood mononuclear cells from healthy human donors (n = 10/10 tested), and primary cell samples from patients with AML (n = 18/39 tested, French-American-British subtypes M4 and M5). A 3-fold improvement in survival rates is observed in the parthanatos-positive versus -negative patient groups (hazard ratio [HR] = 0.28-0.37, p = 0.002-0.046). Manipulation of PARP-1 activity in parthanatos-competent cells reveals higher drug sensitivity in cells that have basal PARP-1 levels as compared with those subjected to PARP-1 overexpression or suppression. The same trends are observed in RNA expression databases and support the conclusion that PARP-1 can have optimal levels for favorable chemotherapeutic responses.
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Affiliation(s)
- Bruktawit Maru
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC, Canada
| | | | - Linhui Huang
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC, Canada
| | - Katja Seipel
- Department of Medical Oncology, Inselspital, Bern University Hospital, Bern, Switzerland
| | - Olivia Kovecses
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC, Canada
| | - Peter J M Valk
- Department of Hematology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Alexandre P A Theocharides
- Department of Medical Oncology and Hematology, University of Zurich and University Hospital Zurich, Zurich, Switzerland
| | - Francois E Mercier
- Division of Hematology and Experimental Medicine, Department of Medicine, McGill University, Montreal, QC, Canada
| | - Thomas Pabst
- Department of Medical Oncology, Inselspital, Bern University Hospital, Bern, Switzerland
| | - Maureen McKeague
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC, Canada; Department of Chemistry, McGill University, Montreal, QC, Canada.
| | - Nathan W Luedtke
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC, Canada; Department of Chemistry, University of Zurich, Zurich, Switzerland; Department of Chemistry, McGill University, Montreal, QC, Canada.
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Basran K, Bujalska A, Karimi A, Luedtke NW. Formal [4 + 2] Cycloadditions of Maleimides on Duplex DNA. Bioconjug Chem 2023; 34:977-982. [PMID: 37290129 DOI: 10.1021/acs.bioconjchem.3c00090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Near-quantitative DNA bioconjugation and detailed mechanistic investigations of reactions involving 5-(vinyl)-2'-deoxyuridine (VdU) and maleimides are reported. According to accelerated reaction rates in solvents with increasing polarity and trends in product stereochemistry, VdU-maleimide reactions proceed via a formal [4 + 2] stepwise cycloaddition. In contrast, 5-(1,3-butadienyl)-2'-deoxyuridine (BDdU) reacts with maleimides in a concerted [4 + 2] Diels-Alder cycloaddition. VdU-maleimide reactions enable high-yielding bioconjugation of duplex DNA in vitro (>90%) as well as metabolic labeling experiments in cells.
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Affiliation(s)
- Kaleena Basran
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, Quebec H3A 0B8, Canada
| | - Anna Bujalska
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Ashkan Karimi
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, Quebec H3A 0B8, Canada
| | - Nathan W Luedtke
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, Quebec H3A 0B8, Canada
- Department of Pharmacology and Therapeutics, McGill University, Montreal, Quebec H3G 1Y6, Canada
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Loehr MO, Luedtke NW. A Kinetic and Fluorogenic Enhancement Strategy for Labeling of Nucleic Acids. Angew Chem Int Ed Engl 2022; 61:e202112931. [PMID: 35139255 DOI: 10.1002/anie.202112931] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Indexed: 12/21/2022]
Abstract
Chemical modification of nucleic acids in living cells can be sterically hindered by tight packing of bioorthogonal functional groups in chromatin. To address this limitation, we report here a dual enhancement strategy for nucleic acid-templated reactions utilizing a fluorogenic intercalating agent capable of undergoing inverse electron-demand Diels-Alder (IEDDA) reactions with DNA containing 5-vinyl-2'-deoxyuridine (VdU) or RNA containing 5-vinyl-uridine (VU). Reversible high-affinity intercalation of a novel acridine-tetrazine conjugate "PINK" (KD =5±1 μM) increases the reaction rate of tetrazine-alkene IEDDA on duplex DNA by 60 000-fold (590 M-1 s-1 ) as compared to the non-templated reaction. At the same time, loss of tetrazine-acridine fluorescence quenching renders the reaction highly fluorogenic and detectable under no-wash conditions. This strategy enables live-cell dynamic imaging of acridine-modified nucleic acids in dividing cells.
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Affiliation(s)
- Morten O Loehr
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montréal, Québec, H3A 0B8, Canada
| | - Nathan W Luedtke
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montréal, Québec, H3A 0B8, Canada.,Department of Pharmacology and Therapeutics, McGill University, 3655 Prom. Sir William Osler, Montréal, Québec H3G 1Y6, Canada
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Loehr MO, Luedtke NW. A Kinetic and Fluorogenic Enhancement Strategy for Labeling of Nucleic Acids. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202112931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Morten O. Loehr
- Department of Chemistry McGill University 801 Sherbrooke St. West Montréal Québec, H3A 0B8 Canada
| | - Nathan W. Luedtke
- Department of Chemistry McGill University 801 Sherbrooke St. West Montréal Québec, H3A 0B8 Canada
- Department of Pharmacology and Therapeutics McGill University 3655 Prom. Sir William Osler Montréal Québec H3G 1Y6 Canada
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Moreno S, Brunner M, Delazer I, Rieder D, Lusser A, Micura R. Synthesis of 4-thiouridines with prodrug functionalization for RNA metabolic labeling. RSC Chem Biol 2022; 3:447-455. [PMID: 35441143 PMCID: PMC8985182 DOI: 10.1039/d2cb00001f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 02/18/2022] [Indexed: 12/22/2022] Open
Abstract
Metabolic labeling has emerged as a powerful tool to endow RNA with reactive handles allowing for subsequent chemical derivatization and processing. Recently, thiolated nucleosides, such as 4-thiouridine (4sU), have attracted great interest in metabolic labeling-based RNA sequencing approaches (TUC-seq, SLAM-seq, TimeLapse-seq) to study cellular RNA expression and decay dynamics. For these and other applications (e.g. PAR-CLIP), thus far only the naked nucleoside 4sU has been applied. Here we examined the concept of derivatizing 4sU into a 5′-monophosphate prodrug that would allow for cell permeation and potentially improve labeling efficiency by bypassing the rate-limiting first step of 5′ phosphorylation of the nucleoside into the ultimately bioactive 4sU triphosphate (4sUTP). To this end, we developed robust synthetic routes towards diverse 4sU monophosphate prodrugs. Using metabolic labeling assays, we found that most of the newly introduced 4sU prodrugs were well tolerated by the cells. One derivative, the bis(4-acetyloxybenzyl) 5′-monophosphate of 4sU, was also efficiently incorporated into nascent RNA. Synthetic access to 4-thiouridine (4sU) derivatives with monophosphate prodrug patterns creates additional possibilities for metabolic labeling of RNA for different applications.![]()
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Affiliation(s)
- Sarah Moreno
- Institute of Organic Chemistry, Center for Molecular Biosciences Innsbruck, University of Innsbruck, Innrain 80-82, 6020 Innsbruck, Austria
| | - Melanie Brunner
- Institute of Molecular Biology, Biocenter, Medical University of Innsbruck, Innrain 80-82, 6020 Innsbruck, Austria
| | - Isabel Delazer
- Institute of Molecular Biology, Biocenter, Medical University of Innsbruck, Innrain 80-82, 6020 Innsbruck, Austria
| | - Dietmar Rieder
- Institute of Bioinformatics, Biocenter, Medical University of Innsbruck, Innrain 82, 6020 Innsbruck, Austria
| | - Alexandra Lusser
- Institute of Molecular Biology, Biocenter, Medical University of Innsbruck, Innrain 80-82, 6020 Innsbruck, Austria
| | - Ronald Micura
- Institute of Organic Chemistry, Center for Molecular Biosciences Innsbruck, University of Innsbruck, Innrain 80-82, 6020 Innsbruck, Austria
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