1
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Emanuelson C, Bardhan A, Deiters A. DNA Logic Gates for Small Molecule Activation Circuits in Cells. ACS Synth Biol 2024; 13:538-545. [PMID: 38306634 PMCID: PMC10877608 DOI: 10.1021/acssynbio.3c00474] [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: 08/02/2023] [Revised: 01/09/2024] [Accepted: 01/09/2024] [Indexed: 02/04/2024]
Abstract
DNA-based devices such as DNA logic gates self-assemble into supramolecular structures, as dictated by the sequences of the constituent oligonucleotides and their predictable Watson-Crick base pairing interactions. The programmable nature of DNA-based devices permits the design and implementation of DNA circuits that interact in a dynamic and sequential manner capable of spatially arranging disparate DNA species. Here, we report the application of an activatable fluorescence reporter based on a proximity-driven inverse electron demand Diels-Alder (IEDDA) reaction and its robust integration with DNA strand displacement circuits. In response to specific DNA input patterns, sequential strand displacement reactions are initiated and culminate in the hybridization of two modified DNA strands carrying probes capable of undergoing an IEDDA reaction between a vinyl-ether-caged fluorophore and its reactive partner tetrazine, leading to the activation of fluorescence. This approach provides a major advantage for DNA computing in mammalian cells since circuit degradation does not induce fluorescence, in contrast to traditional fluorophore-quencher designs. We demonstrate the robustness and sensitivity of the reporter by testing its ability to serve as a readout for DNA logic circuits of varying complexity inside cells.
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Affiliation(s)
- Cole Emanuelson
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Anirban Bardhan
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Alexander Deiters
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
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2
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Morihiro K, Tomida Y, Fukui D, Hasegawa M, Okamoto A. Nucleic Acid-to-Small Molecule Converter through Amplified Hairpin DNA Circuits. Angew Chem Int Ed Engl 2023; 62:e202306587. [PMID: 37704581 DOI: 10.1002/anie.202306587] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 09/08/2023] [Accepted: 09/12/2023] [Indexed: 09/15/2023]
Abstract
Many microRNAs (miRNAs) are characteristically found in cancer cells, making miRNAs promising marker biomolecules for cancer diagnosis and therapeutics. However, it is challenging to use miRNA as a cancer signature because it is difficult to convert the nucleic acid sequence information into molecular functionality. To address this challenge, we realize nucleic acid-to-small molecule converters using hairpin DNA circuits. Harnessing a Staudinger reduction as a trigger for the conversion, we constructed hybridization chain reaction (HCR) and catalytic hairpin assembly (CHA) circuits that respond to oncogenic miR-21. Fluorophore and dye molecules were released in response to miR-21 through the HCR, providing fluorogenic and chromogenic readouts. Selective cytotoxicity in miR-21-abundant cells was realized by the CHA to release the anticancer drug SN-38. This would be the first example of selective activation of a small-molecule prodrug triggered by oncogenic miRNA in human living cells.
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Affiliation(s)
- Kunihiko Morihiro
- Department of Chemistry and Biotechnology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Yasuhiro Tomida
- Department of Chemistry and Biotechnology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Daisuke Fukui
- Department of Chemistry and Biotechnology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Manami Hasegawa
- Department of Chemistry and Biotechnology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Akimitsu Okamoto
- Department of Chemistry and Biotechnology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
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3
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Dong R, Yang X, Wang B, Ji X. Mutual leveraging of proximity effects and click chemistry in chemical biology. Med Res Rev 2023; 43:319-342. [PMID: 36177531 DOI: 10.1002/med.21927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 08/14/2022] [Accepted: 09/11/2022] [Indexed: 02/05/2023]
Abstract
Nature has the remarkable ability to realize reactions under physiological conditions that normally would require high temperature and other forcing conditions. In doing so, often proximity effects such as simultaneous binding of two reactants in the same pocket and/or strategic positioning of catalytic functional groups are used as ways to achieve otherwise kinetically challenging reactions. Though true biomimicry is challenging, there have been many beautiful examples of how to leverage proximity effects in realizing reactions that otherwise would not readily happen under near-physiological conditions. Along this line, click chemistry is often used to endow proximity effects, and proximity effects are also used to further leverage the facile and bioorthogonal nature of click chemistry. This review brings otherwise seemingly unrelated topics in chemical biology and drug discovery under one unifying theme of mutual leveraging of proximity effects and click chemistry and aims to critically analyze the biomimicry use of such leveraging effects as powerful approaches in chemical biology and drug discovery. We hope that this review demonstrates the power of employing mutual leveraging proximity effects and click chemistry and inspires the development of new strategies that will address unmet needs in chemistry and biology.
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Affiliation(s)
- Ru Dong
- Department of Medicinal Chemistry, College of Pharmaceutical Science, Soochow University, Suzhou, Jiangsu, China
| | - Xiaoxiao Yang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia, USA
| | - Binghe Wang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia, USA
| | - Xingyue Ji
- Department of Medicinal Chemistry, College of Pharmaceutical Science, Soochow University, Suzhou, Jiangsu, China
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4
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Altrichter Y, Bou-Dib P, Kuznia C, Seitz O. Towards a templated reaction that translates RNA in cells into a proaptotic peptide-PNA conjugate. J Pept Sci 2023:e3477. [PMID: 36606596 DOI: 10.1002/psc.3477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/09/2022] [Accepted: 12/27/2022] [Indexed: 01/07/2023]
Abstract
Nucleic acid-templated chemistry opens the intriguing prospect of triggering the synthesis of drugs only in diseased cells. Herein, we explore the feasibility of using RNA-templated chemical reactions for the activation of a known Smac peptidomimetic compound (SMC), which has proapoptotic activity. Two peptide nucleic acid (PNA) conjugates were used to enable conditional activation of a masked SMC by reduction of an azide either by Staudinger reduction or catalytic photoreduction using a ruthenium complex. The latter provided ~135 nM SMC-PNA on as little as 10 nM (0.01 eq.) template. For the evaluation of the templated azido-SMC reduction system in cellulo, a stable HEK 293 cell line was generated, which overexpressed a truncated, non-functional form of the XIAP mRNA target. We furthermore describe the development of electroporation protocols that enable a robust delivery of PNA conjugates into HEK 293 cells. The action of the reactive PNA conjugates was evaluated by viability and flow cytometric apoptosis assays. In addition, electroporated probes were re-isolated and analyzed by ultra-high performance liquid chromatography (UPLC). Unfortunately, the ruthenium-PNA conjugate proved phototoxic, and treatment of cells with PNA-linked reducing agent and the azido-masked SMC conjugate did not result in a greater viability loss than treatment with scrambled sequence controls. Intracellular product formation was not detectable. A control experiment in total cellular RNA isolate indicated that the templated reaction can in principle proceed in a complex system. The results of this first-of-its-kind study reveal the numerous hurdles that must be overcome if RNA molecules are to trigger the synthesis of pro-apoptotic drugs inside cells.
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Affiliation(s)
- Yannic Altrichter
- Department of Chemistry, Humboldt University Berlin, Berlin, Germany
| | - Peter Bou-Dib
- Department of Chemistry, Humboldt University Berlin, Berlin, Germany
| | - Christina Kuznia
- Department of Chemistry, Humboldt University Berlin, Berlin, Germany
| | - Oliver Seitz
- Department of Chemistry, Humboldt University Berlin, Berlin, Germany
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5
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Kim H, Choi H, Min KS, Han WJ, Park JW, Kim KT. Riboflavin-catalyzed templated reaction to translate nucleic acid cues into signals of rhodamine derivatives. Chem Commun (Camb) 2022; 58:13743-13746. [PMID: 36416038 DOI: 10.1039/d2cc05447g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
We report a templated reaction for the facile translation of nucleic acid cues into signals of universal rhodamine derivatives based on the riboflavin-catalyzed oxidation of dihydrorhodamine compounds. The rhodamine-signaling operation enabled us to design a highly sequence-selective fluorescent sensor that can detect as little as 500 pM of the target nucleic acid in 90 min or to present a rhodamine antibody that can be further applied to immunoassays.
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Affiliation(s)
- Hokyung Kim
- Department of Chemistry, Chungbuk National University, Cheongju 28644, Republic of Korea.
| | - Hayeon Choi
- Department of Chemistry, Chungbuk National University, Cheongju 28644, Republic of Korea.
| | - Kyeong Su Min
- Department of Chemistry, Chungbuk National University, Cheongju 28644, Republic of Korea.
| | - Woo Joo Han
- Department of Chemistry, Chungbuk National University, Cheongju 28644, Republic of Korea.
| | - Jae Woo Park
- Department of Chemistry, Chungbuk National University, Cheongju 28644, Republic of Korea.
| | - Ki Tae Kim
- Department of Chemistry, Chungbuk National University, Cheongju 28644, Republic of Korea.
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6
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Hardie J, Makabenta JM, Gupta A, Huang R, Cao-Milán R, Goswami R, Zhang X, Abdulpurkar P, Farkas ME, Rotello VM. Selective treatment of intracellular bacterial infections using host cell-targeted bioorthogonal nanozymes. MATERIALS HORIZONS 2022; 9:1489-1494. [PMID: 35293903 PMCID: PMC9090992 DOI: 10.1039/d1mh02042k] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Intracellular bacterial infections are difficult to treat, and in the case of Salmonella and related infections, can be life threatening. Antibiotic treatments for intracellular infections face challenges including cell penetration and intracellular degradation that both reduce antibiotic efficacy. Even when treatable, the increased dose of antibiotics required to counter infections can strongly impact the microbiome, compromising the native roles of beneficial non-pathogenic species. Bioorthogonal catalysis provides a new tool to combat intracellular infections. Catalysts embedded in the monolayers of gold nanoparticles (nanozymes) bioorthogonally convert inert antibiotic prodrugs (pro-antibiotics) into active species within resident macrophages. Targeted nanozyme delivery to macrophages was achieved through mannose conjugation and subsequent uptake VIA the mannose receptor (CD206). These nanozymes efficiently converted pro-ciprofloxacin to ciprofloxacin inside the macrophages, selectively killing pathogenic Salmonella enterica subsp. enterica serovar Typhimurium relative to non-pathogenic Lactobacillus sp. in a transwell co-culture model. Overall, this targeted bioorthogonal nanozyme strategy presents an effective treatment for intracellular infections, including typhoid and tuberculosis.
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Affiliation(s)
- Joseph Hardie
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA.
| | - Jessa Marie Makabenta
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA.
| | - Aarohi Gupta
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA.
| | - Rui Huang
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA.
| | - Roberto Cao-Milán
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA.
| | - Ritabrita Goswami
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA.
| | - Xianzhi Zhang
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA.
| | - Parvati Abdulpurkar
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA.
| | - Michelle E Farkas
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA.
| | - Vincent M Rotello
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA.
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7
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Gavriel A, Sambrook M, Russell AT, Hayes W. Recent advances in self-immolative linkers and their applications in polymeric reporting systems. Polym Chem 2022. [DOI: 10.1039/d2py00414c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Interest in self-immolative chemistry has grown over the past decade with more research groups harnessing the versatility to control the release of a compound from a larger chemical entity, given...
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8
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Liu W, Watson EE, Winssinger N. Photocatalysis in Chemical Biology: Extending the Scope of Optochemical Control and Towards New Frontiers in Semisynthetic Bioconjugates and Biocatalysis. Helv Chim Acta 2021. [DOI: 10.1002/hlca.202100179] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Weilong Liu
- Department of Organic Chemistry NCCR Chemical Biology Faculty of Science University of Geneva 30 quai Ernest Ansermet CH-1211 Geneva Switzerland
| | - Emma E. Watson
- Department of Organic Chemistry NCCR Chemical Biology Faculty of Science University of Geneva 30 quai Ernest Ansermet CH-1211 Geneva Switzerland
| | - Nicolas Winssinger
- Department of Organic Chemistry NCCR Chemical Biology Faculty of Science University of Geneva 30 quai Ernest Ansermet CH-1211 Geneva Switzerland
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9
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Houska R, Stutz MB, Seitz O. Expanding the scope of native chemical ligation - templated small molecule drug synthesis via benzanilide formation. Chem Sci 2021; 12:13450-13457. [PMID: 34777764 PMCID: PMC8528049 DOI: 10.1039/d1sc00513h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 09/10/2021] [Indexed: 12/15/2022] Open
Abstract
We describe a reaction system that enables the synthesis of Bcr–Abl tyrosine kinase inhibitors (TKI) via benzanilide formation in water. The reaction is based on native chemical ligation (NCL). In contrast to previous applications, we used the NCL chemistry to establish aromatic rather than aliphatic amide bonds in coupling reactions between benzoyl and o-mercaptoaniline fragments. The method was applied for the synthesis of thiolated ponatinib and GZD824 derivatives. Acid treatment provided benzothiazole structures, which opens opportunities for diversification. Thiolation affected the affinity for Abl1 kinase only moderately. Of note, a ponatinib-derived benzothiazole also showed nanomolar affinity. NCL-enabled benzanilide formation may prove useful for fragment-based drug discovery. To show that benzanilide synthesis can be put under the control of a template, we connected the benzoyl and o-mercaptoaniline fragments to DNA and peptide nucleic acid (PNA) oligomers. Complementary RNA templates enabled adjacent binding of reactive conjugates triggering a rapid benzoyl transfer from a thioester-linked DNA conjugate to an o-mercaptoaniline-DNA or -PNA conjugate. We evaluated the influence of linker length and unpaired spacer nucleotides within the RNA template on the product yield. The data suggest that nucleic acid-templated benzanilide formation could find application in the establishment of DNA-encoded combinatorial libraries (DEL). The templated native chemical ligation between benzoyl thioesters and o-mercaptoaniline fragments proceeds in water and provides benzanilides that have nanomolar affinity for Abl1 kinase.![]()
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Affiliation(s)
- Richard Houska
- Department of Chemistry, Humboldt-Universität zu Berlin Brook-Taylor-Strasse 2 12489 Berlin Germany
| | - Marvin Björn Stutz
- Department of Chemistry, Humboldt-Universität zu Berlin Brook-Taylor-Strasse 2 12489 Berlin Germany
| | - Oliver Seitz
- Department of Chemistry, Humboldt-Universität zu Berlin Brook-Taylor-Strasse 2 12489 Berlin Germany
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10
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Altrichter Y, Schöller J, Seitz O. Toward conditional control of Smac mimetic activity by RNA-templated reduction of azidopeptides on PNA or 2'-OMe-RNA. Biopolymers 2021; 112:e23466. [PMID: 34287823 DOI: 10.1002/bip.23466] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/07/2021] [Accepted: 07/09/2021] [Indexed: 11/06/2022]
Abstract
Oligonucleotide templated reactions can be used to control the activity of functional molecules based on the presence of a specific trigger sequence. We report an RNA-controlled reaction system to conditionally restore the N-terminal amino group and thus binding affinity of azide-modified Smac mimetic compounds (SMCs) for their target protein X-linked Inhibitor of Apoptosis Protein (XIAP). Two templated reactions were compared: Staudinger reduction with phosphines and a photocatalytic reaction with Ru(bpy)2 (mcbpy). The latter proved faster and more efficient, especially for the activation of a bivalent SMC, which requires two consecutive reduction steps. The templated reaction proceeds with turnover when 2'-OMe-RNA probes are used, but is significantly more efficient with PNA, catalyzing a reaction in the presence of low, substoichiometric amounts (1%-3%, 10 nM) of target RNA.
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Affiliation(s)
- Yannic Altrichter
- Department of Chemistry, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Justus Schöller
- Department of Chemistry, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Oliver Seitz
- Department of Chemistry, Humboldt-Universität zu Berlin, Berlin, Germany
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11
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Watson EE, Angerani S, Sabale PM, Winssinger N. Biosupramolecular Systems: Integrating Cues into Responses. J Am Chem Soc 2021; 143:4467-4482. [DOI: 10.1021/jacs.0c12970] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Emma E. Watson
- University of Geneva, Department of Organic Chemistry, Faculty of Science, NCCR Chem Biol, 30 Quai Ernest Ansermet, CH-1205 Geneva, Switzerland
| | - Simona Angerani
- University of Geneva, Department of Organic Chemistry, Faculty of Science, NCCR Chem Biol, 30 Quai Ernest Ansermet, CH-1205 Geneva, Switzerland
| | - Pramod M. Sabale
- University of Geneva, Department of Organic Chemistry, Faculty of Science, NCCR Chem Biol, 30 Quai Ernest Ansermet, CH-1205 Geneva, Switzerland
| | - Nicolas Winssinger
- University of Geneva, Department of Organic Chemistry, Faculty of Science, NCCR Chem Biol, 30 Quai Ernest Ansermet, CH-1205 Geneva, Switzerland
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12
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Weinstain R, Slanina T, Kand D, Klán P. Visible-to-NIR-Light Activated Release: From Small Molecules to Nanomaterials. Chem Rev 2020; 120:13135-13272. [PMID: 33125209 PMCID: PMC7833475 DOI: 10.1021/acs.chemrev.0c00663] [Citation(s) in RCA: 271] [Impact Index Per Article: 67.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Indexed: 02/08/2023]
Abstract
Photoactivatable (alternatively, photoremovable, photoreleasable, or photocleavable) protecting groups (PPGs), also known as caged or photocaged compounds, are used to enable non-invasive spatiotemporal photochemical control over the release of species of interest. Recent years have seen the development of PPGs activatable by biologically and chemically benign visible and near-infrared (NIR) light. These long-wavelength-absorbing moieties expand the applicability of this powerful method and its accessibility to non-specialist users. This review comprehensively covers organic and transition metal-containing photoactivatable compounds (complexes) that absorb in the visible- and NIR-range to release various leaving groups and gasotransmitters (carbon monoxide, nitric oxide, and hydrogen sulfide). The text also covers visible- and NIR-light-induced photosensitized release using molecular sensitizers, quantum dots, and upconversion and second-harmonic nanoparticles, as well as release via photodynamic (photooxygenation by singlet oxygen) and photothermal effects. Release from photoactivatable polymers, micelles, vesicles, and photoswitches, along with the related emerging field of photopharmacology, is discussed at the end of the review.
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Affiliation(s)
- Roy Weinstain
- School
of Plant Sciences and Food Security, Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 6997801, Israel
| | - Tomáš Slanina
- Institute
of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 2, 166 10 Prague, Czech Republic
| | - Dnyaneshwar Kand
- School
of Plant Sciences and Food Security, Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 6997801, Israel
| | - Petr Klán
- Department
of Chemistry and RECETOX, Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
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13
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Baranda Pellejero L, Mahdifar M, Ercolani G, Watson J, Brown T, Ricci F. Using antibodies to control DNA-templated chemical reactions. Nat Commun 2020; 11:6242. [PMID: 33288745 PMCID: PMC7721721 DOI: 10.1038/s41467-020-20024-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 11/11/2020] [Indexed: 11/09/2022] Open
Abstract
DNA-templated synthesis takes advantage of the programmability of DNA-DNA interactions to accelerate chemical reactions under diluted conditions upon sequence-specific hybridization. While this strategy has proven advantageous for a variety of applications, including sensing and drug discovery, it has been so far limited to the use of nucleic acids as templating elements. Here, we report the rational design of DNA templated synthesis controlled by specific IgG antibodies. Our approach is based on the co-localization of reactants induced by the bivalent binding of a specific IgG antibody to two antigen-conjugated DNA templating strands that triggers a chemical reaction that would be otherwise too slow under diluted conditions. This strategy is versatile, orthogonal and adaptable to different IgG antibodies and can be employed to achieve the targeted synthesis of clinically-relevant molecules in the presence of specific IgG biomarker antibodies.
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Affiliation(s)
- Lorena Baranda Pellejero
- Chemistry Department, University of Rome, Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
| | - Malihe Mahdifar
- Chemistry Department, University of Rome, Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
| | - Gianfranco Ercolani
- Chemistry Department, University of Rome, Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
| | - Jonathan Watson
- ATDBio Ltd, Magdalen Centre, Oxford Science Park, Robert Robinson Avenue, Oxford, OX4 4GA, UK
| | - Tom Brown
- ATDBio Ltd, Magdalen Centre, Oxford Science Park, Robert Robinson Avenue, Oxford, OX4 4GA, UK
| | - Francesco Ricci
- Chemistry Department, University of Rome, Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy.
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14
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Manicardi A, Cadoni E, Madder A. Visible-light triggered templated ligation on surface using furan-modified PNAs. Chem Sci 2020; 11:11729-11739. [PMID: 34094412 PMCID: PMC8162948 DOI: 10.1039/d0sc04875e] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 10/02/2020] [Indexed: 12/25/2022] Open
Abstract
Oligonucleotide-templated reactions are frequently exploited for target detection in biosensors and for the construction of DNA-based materials and probes in nanotechnology. However, the translation of the specifically used template chemistry from solution to surfaces, with the final aim of achieving highly selective high-throughput systems, has been difficult to reach and therefore, poorly explored. Here, we show the first example of a visible light-triggered templated ligation on a surface, employing furan-modified peptide nucleic acids (PNAs). Tailored photo-oxidation of the pro-reactive furan moiety is ensured by the simultaneous introduction of a weak photosensitizer as well as a nucleophilic moiety in the reacting PNA strand. This allows one to ensure a localized production of singlet oxygen for furan activation, which is not affected by probe dilution or reducing conditions. Simple white light irradiation in combination with target-induced proximity between reactive functionalities upon recognition of a short 22mer DNA or RNA sequence that functions as a template, allows sensitive detection of nucleic acid targets in a 96 well plate format.
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Affiliation(s)
- Alex Manicardi
- Organic and Biomimetic Chemistry Research Group, Department of Organic and Macromolecular Chemistry, Ghent University Krijgslaan 281-S4 9000 Gent Belgium
| | - Enrico Cadoni
- Organic and Biomimetic Chemistry Research Group, Department of Organic and Macromolecular Chemistry, Ghent University Krijgslaan 281-S4 9000 Gent Belgium
| | - Annemieke Madder
- Organic and Biomimetic Chemistry Research Group, Department of Organic and Macromolecular Chemistry, Ghent University Krijgslaan 281-S4 9000 Gent Belgium
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15
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Janett E, Diep KL, Fromm KM, Bochet CG. A Simple Reaction for DNA Sensing and Chemical Delivery. ACS Sens 2020; 5:2338-2343. [PMID: 32804492 DOI: 10.1021/acssensors.0c00988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Reactions templated by nucleic acids are currently at the heart of applications in biosensing and drug release. The number of chemical reactions selectively occurring only in the presence of the template, in aqueous solutions, and at room temperature and able to release a chemical moiety is still very limited. Here, we report the use of the p-nitrophenyl carbonate (NPC) as a new reactive moiety for DNA templated reactions releasing a colored reporter by reaction with a simple amine. The easily synthesized p-nitrophenyl carbonate was integrated in an oligonucleotide and showed a very good stability as well as a high reactivity toward amines, without the need for any supplementary reagent, quantitatively releasing the red p-nitrophenolate with a half-life of about 1 h.
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Affiliation(s)
- Elia Janett
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg, Switzerland
| | - Kim-Long Diep
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg, Switzerland
| | - Katharina M. Fromm
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg, Switzerland
| | - Christian G. Bochet
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg, Switzerland
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16
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Rossetti M, Bertucci A, Patiño T, Baranda L, Porchetta A. Programming DNA-Based Systems through Effective Molarity Enforced by Biomolecular Confinement. Chemistry 2020; 26:9826-9834. [PMID: 32428310 DOI: 10.1002/chem.202001660] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/12/2020] [Indexed: 12/12/2022]
Abstract
The fundamental concept of effective molarity is observed in a variety of biological processes, such as protein compartmentalization within organelles, membrane localization and signaling paths. To control molecular encountering and promote effective interactions, nature places biomolecules in specific sites inside the cell in order to generate a high, localized concentration different from the bulk concentration. Inspired by this mechanism, scientists have artificially recreated in the lab the same strategy to actuate and control artificial DNA-based functional systems. Here, it is discussed how harnessing effective molarity has led to the development of a number of proximity-induced strategies, with applications ranging from DNA-templated organic chemistry and catalysis, to biosensing and protein-supported DNA assembly.
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Affiliation(s)
- Marianna Rossetti
- Department of Chemistry, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
| | - Alessandro Bertucci
- Department of Chemistry, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
| | - Tania Patiño
- Department of Chemistry, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
| | - Lorena Baranda
- Department of Chemistry, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
| | - Alessandro Porchetta
- Department of Chemistry, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
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17
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Prinzen AL, Saliba D, Hennecker C, Trinh T, Mittermaier A, Sleiman HF. Amplified Self‐Immolative Release of Small Molecules by Spatial Isolation of Reactive Groups on DNA‐Minimal Architectures. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001123] [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)
- Alexander L. Prinzen
- Department of Chemistry McGill University 801 rue Sherbrooke West Montreal QC, H3A 0B8 Canada
| | - Daniel Saliba
- Department of Chemistry McGill University 801 rue Sherbrooke West Montreal QC, H3A 0B8 Canada
| | - Christopher Hennecker
- Department of Chemistry McGill University 801 rue Sherbrooke West Montreal QC, H3A 0B8 Canada
| | - Tuan Trinh
- Department of Chemistry McGill University 801 rue Sherbrooke West Montreal QC, H3A 0B8 Canada
| | - Anthony Mittermaier
- Department of Chemistry McGill University 801 rue Sherbrooke West Montreal QC, H3A 0B8 Canada
| | - Hanadi F. Sleiman
- Department of Chemistry McGill University 801 rue Sherbrooke West Montreal QC, H3A 0B8 Canada
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18
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Huang R, Li CH, Cao-Milán R, He LD, Makabenta JM, Zhang X, Yu E, Rotello VM. Polymer-Based Bioorthogonal Nanocatalysts for the Treatment of Bacterial Biofilms. J Am Chem Soc 2020; 142:10723-10729. [PMID: 32464057 PMCID: PMC7339739 DOI: 10.1021/jacs.0c01758] [Citation(s) in RCA: 88] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Bioorthogonal catalysis offers a unique strategy to modulate biological processes through the in situ generation of therapeutic agents. However, the direct application of bioorthogonal transition metal catalysts (TMCs) in complex media poses numerous challenges due to issues of limited biocompatibility, poor water solubility, and catalyst deactivation in biological environments. We report here the creation of catalytic "polyzymes", comprised of self-assembled polymer nanoparticles engineered to encapsulate lipophilic TMCs. The incorporation of catalysts into these nanoparticle scaffolds creates water-soluble constructs that provide a protective environment for the catalyst. The potential therapeutic utility of these nanozymes was demonstrated through antimicrobial studies in which a cationic nanozyme was able to penetrate into biofilms and eradicate embedded bacteria through the bioorthogonal activation of a pro-antibiotic.
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Affiliation(s)
- Rui Huang
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
| | - Cheng-Hsuan Li
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
| | - Roberto Cao-Milán
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
| | - Luke D. He
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
| | - Jessa Marie Makabenta
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
| | - Xianzhi Zhang
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
| | - Erlei Yu
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
- Key Laboratory for Green Process of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, P. R. China
| | - Vincent M. Rotello
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
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19
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Prinzen AL, Saliba D, Hennecker C, Trinh T, Mittermaier A, Sleiman HF. Amplified Self‐Immolative Release of Small Molecules by Spatial Isolation of Reactive Groups on DNA‐Minimal Architectures. Angew Chem Int Ed Engl 2020; 59:12900-12908. [PMID: 32277788 DOI: 10.1002/anie.202001123] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 03/24/2020] [Indexed: 12/17/2022]
Affiliation(s)
- Alexander L. Prinzen
- Department of Chemistry McGill University 801 rue Sherbrooke West Montreal QC, H3A 0B8 Canada
| | - Daniel Saliba
- Department of Chemistry McGill University 801 rue Sherbrooke West Montreal QC, H3A 0B8 Canada
| | - Christopher Hennecker
- Department of Chemistry McGill University 801 rue Sherbrooke West Montreal QC, H3A 0B8 Canada
| | - Tuan Trinh
- Department of Chemistry McGill University 801 rue Sherbrooke West Montreal QC, H3A 0B8 Canada
| | - Anthony Mittermaier
- Department of Chemistry McGill University 801 rue Sherbrooke West Montreal QC, H3A 0B8 Canada
| | - Hanadi F. Sleiman
- Department of Chemistry McGill University 801 rue Sherbrooke West Montreal QC, H3A 0B8 Canada
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20
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Saneyoshi H, Yamamoto Y, Ohta T, Akai S, Ono A. Thiol-responsive pro-fluorophore labeling: Synthesis of a pro-fluorescent labeled oligonucleotide for monitoring cellular uptake. Bioorg Med Chem Lett 2020; 30:127222. [PMID: 32386978 DOI: 10.1016/j.bmcl.2020.127222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 04/21/2020] [Accepted: 04/25/2020] [Indexed: 10/24/2022]
Abstract
Pro-fluorescent labeled oligonucleotides are potential alternative tools to classical fluorescently labeled oligonucleotides for monitoring cellular uptake. Here, we report the design and synthesis of a thiol-responsive pro-fluorophore labeled oligonucleotide, and its fluorescence responsivity to glutathione in the test tube and live cells.
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Affiliation(s)
- Hisao Saneyoshi
- Department of Material and Life Chemistry, Faculty of Engineering, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan; Department of Chemistry, Shiga University of Medical Science, Seta Tsukinowa-cho, Otsu, Shiga 520-2192, Japan.
| | - Yuta Yamamoto
- Department of Material and Life Chemistry, Faculty of Engineering, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan
| | - Takayuki Ohta
- Department of Material and Life Chemistry, Faculty of Engineering, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan
| | - Shoji Akai
- Laboratory of Synthetic Organic Chemistry, Kagawa Nutrition University, 3-9-21 Chiyoda, Sakado, Saitama 350-0288, Japan
| | - Akira Ono
- Department of Material and Life Chemistry, Faculty of Engineering, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan.
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21
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Saarbach J, Sabale PM, Winssinger N. Peptide nucleic acid (PNA) and its applications in chemical biology, diagnostics, and therapeutics. Curr Opin Chem Biol 2019; 52:112-124. [PMID: 31541865 DOI: 10.1016/j.cbpa.2019.06.006] [Citation(s) in RCA: 121] [Impact Index Per Article: 24.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 05/07/2019] [Accepted: 06/06/2019] [Indexed: 12/11/2022]
Abstract
Peptide nucleic acid (PNA) stands as one of the most successful artificial oligonucleotide mimetics. Salient features include the stability of hybridization complexes (either as duplexes or triplexes), metabolic stability, and ease of chemical modifications. These features have enabled important applications such as antisense agents, gene editing, nucleic acid sensing and as a platform to program the assembly of PNA-tagged molecules. Here, we review recent advances in these areas.
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Affiliation(s)
- Jacques Saarbach
- Faculty of Science, Department of Organic Chemistry, NCCR Chemical Biology, University of Geneva 30 quai Ernest Ansermet, CH-1205 Geneva, Switzerland
| | - Pramod M Sabale
- Faculty of Science, Department of Organic Chemistry, NCCR Chemical Biology, University of Geneva 30 quai Ernest Ansermet, CH-1205 Geneva, Switzerland
| | - Nicolas Winssinger
- Faculty of Science, Department of Organic Chemistry, NCCR Chemical Biology, University of Geneva 30 quai Ernest Ansermet, CH-1205 Geneva, Switzerland.
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22
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Seitz O. Templated chemistry for bioorganic synthesis and chemical biology. J Pept Sci 2019; 25:e3198. [PMID: 31309674 PMCID: PMC6771651 DOI: 10.1002/psc.3198] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 05/27/2019] [Accepted: 05/27/2019] [Indexed: 12/24/2022]
Abstract
In light of the 2018 Max Bergmann Medal, this review discusses advancements on chemical biology-driven templated chemistry developed in the author's laboratories. The focused review introduces the template categories applied to orient functional units such as functional groups, chromophores, biomolecules, or ligands in space. Unimolecular templates applied in protein synthesis facilitate fragment coupling of unprotected peptides. Templating via bimolecular assemblies provides control over proximity relationships between functional units of two molecules. As an instructive example, the coiled coil peptide-templated labelling of receptor proteins on live cells will be shown. Termolecular assemblies provide the opportunity to put the proximity of functional units on two (bio)molecules under the control of a third party molecule. This allows the design of conditional bimolecular reactions. A notable example is DNA/RNA-triggered peptide synthesis. The last section shows how termolecular and multimolecular assemblies can be used to better characterize and understand multivalent protein-ligand interactions.
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Affiliation(s)
- Oliver Seitz
- Department of ChemistryHumboldt University BerlinBerlinGermany
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23
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Abstract
Bioorthogonal reactions that proceed readily under physiological conditions without interference from biomolecules have found widespread application in the life sciences. Complementary to the bioorthogonal reactions that ligate two molecules, reactions that release a molecule or cleave a linker are increasingly attracting interest. Such dissociative bioorthogonal reactions have a broad spectrum of uses, for example, in controlling bio-macromolecule activity, in drug delivery, and in diagnostic assays. This review article summarizes the developed bioorthogonal reactions linked to a release step, outlines representative areas of the applications of such reactions, and discusses aspects that require further improvement.
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Affiliation(s)
- Julian Tu
- Department of Medicinal Chemistry, University of Utah, 30 S 2000 E, Salt Lake City, Utah, 84112, USA
| | - Minghao Xu
- Department of Medicinal Chemistry, University of Utah, 30 S 2000 E, Salt Lake City, Utah, 84112, USA
| | - Raphael M Franzini
- Department of Medicinal Chemistry, University of Utah, 30 S 2000 E, Salt Lake City, Utah, 84112, USA
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24
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Angerani S, Winssinger N. Visible Light Photoredox Catalysis Using Ruthenium Complexes in Chemical Biology. Chemistry 2019; 25:6661-6672. [PMID: 30689234 DOI: 10.1002/chem.201806024] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Indexed: 12/24/2022]
Abstract
The development of bioorthogonal reactions have had a transformative impact in chemical biology and the quest to expand this toolbox continues. Herein we review recent applications of ruthenium-catalyzed photoredox reactions used in chemical biology.
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Affiliation(s)
- Simona Angerani
- Department of Organic Chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva, 30 Quai Ernest-Ansermet, 1205, Geneva, Switzerland
| | - Nicolas Winssinger
- Department of Organic Chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva, 30 Quai Ernest-Ansermet, 1205, Geneva, Switzerland
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25
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Neumann K, Gambardella A, Lilienkampf A, Bradley M. Tetrazine-mediated bioorthogonal prodrug-prodrug activation. Chem Sci 2018; 9:7198-7203. [PMID: 30288239 PMCID: PMC6148199 DOI: 10.1039/c8sc02610f] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 07/12/2018] [Indexed: 12/13/2022] Open
Abstract
The selective and biocompatible activation of prodrugs within complex biological systems remains a key challenge in medical chemistry and chemical biology. Herein we report, for the first time, a dual prodrug activation strategy that fully satisfies the principle of bioorthogonality by the symbiotic formation of two active drugs. This dual and traceless prodrug activation strategy takes advantage of the INVDA chemistry of tetrazines (here a prodrug), generating a pyridazine-based miR21 inhibitor and the anti-cancer drug camptothecin and offers a new concept in prodrug activation.
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Affiliation(s)
- Kevin Neumann
- EaStCHEM School of Chemistry , University of Edinburgh , Joseph Black Building, King's Buildings, David Brewster Road , EH9 3FJ Edinburgh , UK .
| | - Alessia Gambardella
- EaStCHEM School of Chemistry , University of Edinburgh , Joseph Black Building, King's Buildings, David Brewster Road , EH9 3FJ Edinburgh , UK .
| | - Annamaria Lilienkampf
- EaStCHEM School of Chemistry , University of Edinburgh , Joseph Black Building, King's Buildings, David Brewster Road , EH9 3FJ Edinburgh , UK .
| | - Mark Bradley
- EaStCHEM School of Chemistry , University of Edinburgh , Joseph Black Building, King's Buildings, David Brewster Road , EH9 3FJ Edinburgh , UK .
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26
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Tu J, Xu M, Parvez S, Peterson RT, Franzini RM. Bioorthogonal Removal of 3-Isocyanopropyl Groups Enables the Controlled Release of Fluorophores and Drugs in Vivo. J Am Chem Soc 2018; 140:8410-8414. [DOI: 10.1021/jacs.8b05093] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Julian Tu
- Department of Medicinal Chemistry, College of Pharmacy, University of Utah, 30 S 2000 E, Salt Lake City, Utah 84112, United States
| | - Minghao Xu
- Department of Medicinal Chemistry, College of Pharmacy, University of Utah, 30 S 2000 E, Salt Lake City, Utah 84112, United States
| | - Saba Parvez
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Utah, 30 S 2000 E, Salt Lake City, Utah 84112, United States
| | - Randall T. Peterson
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Utah, 30 S 2000 E, Salt Lake City, Utah 84112, United States
| | - Raphael M. Franzini
- Department of Medicinal Chemistry, College of Pharmacy, University of Utah, 30 S 2000 E, Salt Lake City, Utah 84112, United States
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27
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Oliveira BL, Guo Z, Bernardes GJL. Inverse electron demand Diels-Alder reactions in chemical biology. Chem Soc Rev 2018; 46:4895-4950. [PMID: 28660957 DOI: 10.1039/c7cs00184c] [Citation(s) in RCA: 655] [Impact Index Per Article: 109.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The emerging inverse electron demand Diels-Alder (IEDDA) reaction stands out from other bioorthogonal reactions by virtue of its unmatchable kinetics, excellent orthogonality and biocompatibility. With the recent discovery of novel dienophiles and optimal tetrazine coupling partners, attention has now been turned to the use of IEDDA approaches in basic biology, imaging and therapeutics. Here we review this bioorthogonal reaction and its promising applications for live cell and animal studies. We first discuss the key factors that contribute to the fast IEDDA kinetics and describe the most recent advances in the synthesis of tetrazine and dienophile coupling partners. Both coupling partners have been incorporated into proteins for tracking and imaging by use of fluorogenic tetrazines that become strongly fluorescent upon reaction. Selected notable examples of such applications are presented. The exceptional fast kinetics of this catalyst-free reaction, even using low concentrations of coupling partners, make it amenable for in vivo radiolabelling using pretargeting methodologies, which are also discussed. Finally, IEDDA reactions have recently found use in bioorthogonal decaging to activate proteins or drugs in gain-of-function strategies. We conclude by showing applications of the IEDDA reaction in the construction of biomaterials that are used for drug delivery and multimodal imaging, among others. The use and utility of the IEDDA reaction is interdisciplinary and promises to revolutionize chemical biology, radiochemistry and materials science.
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Affiliation(s)
- B L Oliveira
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.
| | - Z Guo
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.
| | - G J L Bernardes
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK. and Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Avenida Professor Egas Moniz, Lisboa, 1649-028, Portugal.
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28
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Xu M, Tu J, Franzini RM. Rapid and efficient tetrazine-induced drug release from highly stable benzonorbornadiene derivatives. Chem Commun (Camb) 2018; 53:6271-6274. [PMID: 28548143 DOI: 10.1039/c7cc03477f] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel class of bioorthogonal release reactions based on benzonorbornadiene derivatives was developed. These carrier molecules are highly stable at physiological conditions, but react rapidly with 1,2,4,5-tetrazines, and near-quantitatively release cargo molecules such as drugs and optical reporters.
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Affiliation(s)
- Minghao Xu
- Department of Medicinal Chemistry, College of Pharmacy, University of Utah, 30 S 2000 E, Salt Lake City, UT-84112, USA.
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29
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Kim KT, Chang D, Winssinger N. Double-Stranded RNA-Specific Templated Reaction with Triplex Forming PNA. Helv Chim Acta 2018. [DOI: 10.1002/hlca.201700295] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Ki Tae Kim
- Department of Organic Chemistry, NCCR Chemical Biology; Faculty of Science; University of Geneva; 30 quai Ernest Ansermet 1211 Geneva Switzerland
| | - Dalu Chang
- Department of Organic Chemistry, NCCR Chemical Biology; Faculty of Science; University of Geneva; 30 quai Ernest Ansermet 1211 Geneva Switzerland
| | - Nicolas Winssinger
- Department of Organic Chemistry, NCCR Chemical Biology; Faculty of Science; University of Geneva; 30 quai Ernest Ansermet 1211 Geneva Switzerland
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30
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Matikonda SS, Fairhall JM, Fiedler F, Sanhajariya S, Tucker RAJ, Hook S, Garden AL, Gamble AB. Mechanistic Evaluation of Bioorthogonal Decaging with trans-Cyclooctene: The Effect of Fluorine Substituents on Aryl Azide Reactivity and Decaging from the 1,2,3-Triazoline. Bioconjug Chem 2018; 29:324-334. [DOI: 10.1021/acs.bioconjchem.7b00665] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Siddharth S. Matikonda
- School of Pharmacy and ‡Department of Chemistry, University of Otago, Dunedin, 9054, New Zealand
| | - Jessica M. Fairhall
- School of Pharmacy and ‡Department of Chemistry, University of Otago, Dunedin, 9054, New Zealand
| | - Franziska Fiedler
- School of Pharmacy and ‡Department of Chemistry, University of Otago, Dunedin, 9054, New Zealand
| | - Suchaya Sanhajariya
- School of Pharmacy and ‡Department of Chemistry, University of Otago, Dunedin, 9054, New Zealand
| | - Robert A. J. Tucker
- School of Pharmacy and ‡Department of Chemistry, University of Otago, Dunedin, 9054, New Zealand
| | - Sarah Hook
- School of Pharmacy and ‡Department of Chemistry, University of Otago, Dunedin, 9054, New Zealand
| | - Anna L. Garden
- School of Pharmacy and ‡Department of Chemistry, University of Otago, Dunedin, 9054, New Zealand
| | - Allan B. Gamble
- School of Pharmacy and ‡Department of Chemistry, University of Otago, Dunedin, 9054, New Zealand
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31
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Abstract
Fluorogenic oligonucleotide probes that can produce a change in fluorescence signal upon binding to specific biomolecular targets, including nucleic acids as well as non-nucleic acid targets, such as proteins and small molecules, have applications in various important areas. These include diagnostics, drug development and as tools for studying biomolecular interactions in situ and in real time. The probes usually consist of a labeled oligonucleotide strand as a recognition element together with a mechanism for signal transduction that can translate the binding event into a measurable signal. While a number of strategies have been developed for the signal transduction, relatively little attention has been paid to the recognition element. Peptide nucleic acids (PNA) are DNA mimics with several favorable properties making them a potential alternative to natural nucleic acids for the development of fluorogenic probes, including their very strong and specific recognition and excellent chemical and biological stabilities in addition to their ability to bind to structured nucleic acid targets. In addition, the uncharged backbone of PNA allows for other unique designs that cannot be performed with oligonucleotides or analogues with negatively-charged backbones. This review aims to introduce the principle, showcase state-of-the-art technologies and update recent developments in the areas of fluorogenic PNA probes during the past 20 years.
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Affiliation(s)
- Tirayut Vilaivan
- Organic Synthesis Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Phayathai Road, Patumwan, Bangkok 10330, Thailand
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32
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Xu M, Galindo-Murillo R, Cheatham TE, Franzini RM. Dissociative reactions of benzonorbornadienes with tetrazines: scope of leaving groups and mechanistic insights. Org Biomol Chem 2018; 15:9855-9865. [PMID: 29139516 DOI: 10.1039/c7ob02191g] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Bioorthogonal dissociative reactions boast diverse potential applications in chemical biology and drug delivery. The reaction of benzonorbornadienes with tetrazines to release amines from carbamate leaving groups was recently introduced as a bioorthogonal bond-cleavage reaction. The present study aimed at investigating the scope of leaving groups that are compatible with benzonorbornadienes. Synthesis of several benzonorbornadienes with different releasable groups is reported, and the reaction of these molecules with tetrazine was found to be rapid and afforded high release yields. The tetrazine-induced release of molecules proceeds in a cascade of steps including inverse-electron demand cycloaddition and cycloreversion reactions that form unstable isoindoles/isobenzofuran intermediates and spontaneously eliminate a leaving group of interest. In the case of oxygen-bridged BNBDs at room temperature, we observed the formation of an unproductive byproduct.
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Affiliation(s)
- M Xu
- Department of Medicinal Chemistry, College of Pharmacy, University of Utah, 30 S 2000 E, Salt Lake City, UT-84112, USA.
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33
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Abstract
Probes that detect specific biological materials are indispensable tools for deepening our understanding of various cellular phenomena. In live cell imaging, the probe must emit fluorescence only when a specific substance is detected. In this paper, we introduce a new probe we developed for live cell imaging. Glutathione S-transferase (GST) activity is higher in tumor cells than in normal cells and is involved in the development of resistance to various anticancer drugs. We previously reported the development of a general strategy for the synthesis of probes for detection of GST enzymes, including fluorogenic, bioluminogenic, and 19F-NMR probes. Arylsulfonyl groups were used as caging groups during probe design. The fluorogenic probes were successfully used to quantitate very low levels of GST activity in cell extracts and were also successfully applied to the imaging of microsomal MGST1 activity in living cells. The bioluminogenic and 19F-NMR probes were able to detect GST activity in Escherichia coli cells. Oligonucleotide-templated reactions are powerful tools for nucleic acid sensing. This strategy exploits the target strand as a template for two functionalized probes and provides a simple molecular mechanism for multiple turnover reactions. We developed a nucleophilic aromatic substitution reaction-triggered fluorescent probe. The probe completed its reaction within 30 s of initiation and amplified the fluorescence signal from 0.5 pM target oligonucleotide by 1500 fold under isothermal conditions. Additionally, we applied the oligonucleotide-templated reaction for molecular releasing and peptide detection.
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34
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Chang D, Kim KT, Lindberg E, Winssinger N. Accelerating Turnover Frequency in Nucleic Acid Templated Reactions. Bioconjug Chem 2017; 29:158-163. [PMID: 29178795 DOI: 10.1021/acs.bioconjchem.7b00663] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Nucleic acid templated reactions have attracted attention as an important technology to sense oligonucleotides and to translate nucleic acid-based instructions into diverse outputs. Great progress has been made in accelerating the reaction in order to improve signal amplification, reaching rates where substrate turnover rather than chemical reaction is rate limiting. Herein we explore the utility of architectures inspired by three-way junction that yield a cleavage of a strand thus accelerating substrate turnover. We demonstrate that such design can overcome product inhibition in templated reactions and operate close to the rate of hybridization.
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Affiliation(s)
- Dalu Chang
- Department of Organic chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva , 30 quai Ernest Ansermet, 1211 Geneva, Switzerland
| | - Ki Tae Kim
- Department of Organic chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva , 30 quai Ernest Ansermet, 1211 Geneva, Switzerland
| | - Eric Lindberg
- Department of Organic chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva , 30 quai Ernest Ansermet, 1211 Geneva, Switzerland
| | - Nicolas Winssinger
- Department of Organic chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva , 30 quai Ernest Ansermet, 1211 Geneva, Switzerland
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35
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Abstract
Nucleic acid directed bioorthogonal reactions offer the fascinating opportunity to unveil and redirect a plethora of intracellular mechanisms. Nano- to picomolar amounts of specific RNA molecules serve as templates and catalyze the selective formation of molecules that 1) exert biological effects, or 2) provide measurable signals for RNA detection. Turnover of reactants on the template is a valuable asset when concentrations of RNA templates are low. The idea is to use RNA-templated reactions to fully control the biodistribution of drugs and to push the detection limits of DNA or RNA analytes to extraordinary sensitivities. Herein we review recent and instructive examples of conditional synthesis or release of compounds for in cellulo protein interference and intracellular nucleic acid imaging.
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Affiliation(s)
- Margherita Di Pisa
- Department of ChemistryHumboldt University BerlinBrook-Taylor Strasse 212489BerlinGermany
| | - Oliver Seitz
- Department of ChemistryHumboldt University BerlinBrook-Taylor Strasse 212489BerlinGermany
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36
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Feng W, Mao Z, Liu L, Liu Z. A ratiometric two-photon fluorescent probe for imaging hydrogen sulfide in lysosomes. Talanta 2017; 167:134-142. [DOI: 10.1016/j.talanta.2017.02.012] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Accepted: 02/04/2017] [Indexed: 10/20/2022]
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Chang D, Lindberg E, Winssinger N. Critical Analysis of Rate Constants and Turnover Frequency in Nucleic Acid-Templated Reactions: Reaching Terminal Velocity. J Am Chem Soc 2017; 139:1444-1447. [DOI: 10.1021/jacs.6b12764] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Dalu Chang
- Department of Organic Chemistry,
NCCR Chemical Biology, Faculty of Science, University of Geneva, 30 quai Ernest-Ansermet, 1205 Geneva, Switzerland
| | - Eric Lindberg
- Department of Organic Chemistry,
NCCR Chemical Biology, Faculty of Science, University of Geneva, 30 quai Ernest-Ansermet, 1205 Geneva, Switzerland
| | - Nicolas Winssinger
- Department of Organic Chemistry,
NCCR Chemical Biology, Faculty of Science, University of Geneva, 30 quai Ernest-Ansermet, 1205 Geneva, Switzerland
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38
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Machida T, Dutt S, Winssinger N. Allosterically Regulated Phosphatase Activity from Peptide-PNA Conjugates Folded Through Hybridization. Angew Chem Int Ed Engl 2016; 55:8595-8. [PMID: 27320214 DOI: 10.1002/anie.201602751] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Revised: 05/10/2016] [Indexed: 01/17/2023]
Abstract
The importance of spatial organization in short peptide catalysts is well recognized. We synthesized and screened a library of peptides flanked by peptide nucleic acids (PNAs) such that the peptide would be constrained in a hairpin loop upon hybridization. A screen for phosphatase activity led to the discovery of a catalyst with >25-fold rate acceleration over the linear peptide. We demonstrated that the hybridization-enforced folding of the peptide is necessary for activity, and designed a catalyst that is allosterically controlled using a complementary PNA sequence.
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Affiliation(s)
- Takuya Machida
- Department of Organic Chemistry, NCCR Chemical Biology, University of Geneva, Quai Ernest Ansermet 30, 1211, Geneva, Switzerland
| | - Som Dutt
- Department of Organic Chemistry, NCCR Chemical Biology, University of Geneva, Quai Ernest Ansermet 30, 1211, Geneva, Switzerland
| | - Nicolas Winssinger
- Department of Organic Chemistry, NCCR Chemical Biology, University of Geneva, Quai Ernest Ansermet 30, 1211, Geneva, Switzerland.
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39
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Machida T, Dutt S, Winssinger N. Allosterically Regulated Phosphatase Activity from Peptide–PNA Conjugates Folded Through Hybridization. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201602751] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Takuya Machida
- Department of Organic Chemistry, NCCR Chemical Biology University of Geneva Quai Ernest Ansermet 30 1211 Geneva Switzerland
| | - Som Dutt
- Department of Organic Chemistry, NCCR Chemical Biology University of Geneva Quai Ernest Ansermet 30 1211 Geneva Switzerland
| | - Nicolas Winssinger
- Department of Organic Chemistry, NCCR Chemical Biology University of Geneva Quai Ernest Ansermet 30 1211 Geneva Switzerland
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40
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Catalano MJ, Price NE, Gates KS. Effective molarity in a nucleic acid-controlled reaction. Bioorg Med Chem Lett 2016; 26:2627-30. [PMID: 27117430 DOI: 10.1016/j.bmcl.2016.04.022] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Revised: 04/07/2016] [Accepted: 04/08/2016] [Indexed: 12/30/2022]
Abstract
Positioning of reactive functional groups within a DNA duplex can enable chemical reactions that otherwise would not occur to an appreciable extent. However, few studies have quantitatively defined the extent to which the enforced proximity of reaction partners in duplex DNA can favor chemical processes. Here, we measured substantial effective molarities (as high as 25M) afforded by duplex DNA to a reaction involving interstrand cross-link formation between 2'-deoxyadenosine and a 2-deoxyribose abasic (Ap) site.
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Affiliation(s)
- Michael J Catalano
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Nathan E Price
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Kent S Gates
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States; University of Missouri, Department of Biochemistry, 125 Chemistry Building, Columbia, MO 65211, United States.
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41
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Kinski E, Marzenell P, Hofer W, Hagen H, Raskatov JA, Knaup KX, Zolnhofer EM, Meyer K, Mokhir A. 4-Azidobenzyl ferrocenylcarbamate as an anticancer prodrug activated under reductive conditions. J Inorg Biochem 2016; 160:218-24. [PMID: 26970945 DOI: 10.1016/j.jinorgbio.2016.02.023] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Revised: 01/08/2016] [Accepted: 02/25/2016] [Indexed: 01/08/2023]
Abstract
Aminoferrocene-based prodrugs are activated in the presence of cancer-specific amounts of reactive oxygen species, e.g. H2O2, with the formation of products of two types: Fe-containing complexes, which catalyze generation of HO and O2(-), and quinone methides, which alkylate glutathione and inhibit the antioxidative system of the cell. Both processes act synergistically by increasing the oxidative stress in cancer cells thereby leading to their death. However, in the activation step including the cleavage of a B-C bond one molecule of H2O2 is consumed that counteracts the desired effect of the products released from aminoferrocenes. We replaced an H2O2-sensitive trigger in original prodrugs with an azide group. This trigger is slowly reduced in the presence of glutathione with the formation of an unstable arylamine intermediate, which decomposes with the release of iron ions and iminoquinone methides. These products induce strong oxidative stress in cells as we confirmed using 2',7'-dichlorodihydrofluorescin diacetate reagent in combination with flow cytometry. In this case the activation process does not consume H2O2. Correspondingly, we observed that the azide-containing prodrug is substantially more toxic towards human promyelocytic leukemia cell line HL-60 (IC50=27±4μM) than its H2O2-responsive analogue (IC50>50μM).
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Affiliation(s)
- Elisa Kinski
- Friedrich-Alexander-University of Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Organic Chemistry II, Henkestr. 42, 91054 Erlangen, Germany
| | - Paul Marzenell
- Ruprecht-Karls-University of Heidelberg, Institute of Inorganic Chemistry, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Walter Hofer
- Friedrich-Alexander-University of Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Organic Chemistry II, Henkestr. 42, 91054 Erlangen, Germany
| | - Helen Hagen
- Ruprecht-Karls-University of Heidelberg, Institute of Inorganic Chemistry, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Jevgenij A Raskatov
- University of California, Santa Cruz, School of Chemistry and Biochemistry, 1156 High Street, Santa Cruz, CA 95064, USA
| | - Karl X Knaup
- Friedrich-Alexander-University of Erlangen-Nürnberg, Faculty of Medicine, Department of Medicine IV, Translational Research Center (TRC), Schwabachanlage 12, 91054 Erlangen, Germany
| | - Eva M Zolnhofer
- Friedrich-Alexander-University of Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Inorganic and General Chemistry II, Egerlandstr. 1, 91058 Erlangen, Germany
| | - Karsten Meyer
- Friedrich-Alexander-University of Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Inorganic and General Chemistry II, Egerlandstr. 1, 91058 Erlangen, Germany
| | - Andriy Mokhir
- Friedrich-Alexander-University of Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Organic Chemistry II, Henkestr. 42, 91054 Erlangen, Germany.
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42
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Kim J, Bertozzi CR. A Bioorthogonal Reaction of N-Oxide and Boron Reagents. Angew Chem Int Ed Engl 2015; 54:15777-81. [PMID: 26568479 DOI: 10.1002/anie.201508861] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Indexed: 12/15/2022]
Abstract
The development of bioorthogonal reactions has classically focused on bond-forming ligation reactions. In this report, we seek to expand the functional repertoire of such transformations by introducing a new bond-cleaving reaction between N-oxide and boron reagents. The reaction features a large dynamic range of reactivity, showcasing second-order rate constants as high as 2.3×10(3) M(-1) s(-1) using diboron reaction partners. Diboron reagents display minimal cell toxicity at millimolar concentrations, penetrate cell membranes, and effectively reduce N-oxides inside mammalian cells. This new bioorthogonal process based on miniscule components is thus well-suited for activating molecules within cells under chemical control. Furthermore, we demonstrate that the metabolic diversity of nature enables the use of naturally occurring functional groups that display inherent biocompatibility alongside abiotic components for organism-specific applications.
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Affiliation(s)
- Justin Kim
- Department of Chemistry and Howard Hughes Medical Institute, Stanford University, 380 Roth Way, Stanford, CA 94305 (USA)
| | - Carolyn R Bertozzi
- Department of Chemistry and Howard Hughes Medical Institute, Stanford University, 380 Roth Way, Stanford, CA 94305 (USA).
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43
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Affiliation(s)
- Justin Kim
- Department of Chemistry and Howard Hughes Medical Institute, Stanford University, 380 Roth Way, Stanford, CA 94305 (USA)
| | - Carolyn R. Bertozzi
- Department of Chemistry and Howard Hughes Medical Institute, Stanford University, 380 Roth Way, Stanford, CA 94305 (USA)
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44
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Barluenga S, Winssinger N. PNA as a Biosupramolecular Tag for Programmable Assemblies and Reactions. Acc Chem Res 2015; 48:1319-31. [PMID: 25947113 DOI: 10.1021/acs.accounts.5b00109] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The programmability of oligonucleotide hybridization offers an attractive platform for the design of assemblies with emergent properties or functions. Developments in DNA nanotechnologies have transformed our thinking about the applications of nucleic acids. Progress from designed assemblies to functional outputs will continue to benefit from functionalities added to the nucleic acids that can participate in reactions or interactions beyond hybridization. In that respect, peptide nucleic acids (PNAs) are interesting because they combine the hybridization properties of DNA with the modularity of peptides. In fact, PNAs form more stable duplexes with DNA or RNA than the corresponding natural homoduplexes. The high stability achieved with shorter oligomers (an 8-mer is sufficient for a stable duplex at room temperature) typically results in very high sequence fidelity in the hybridization with negligible impact of the ionic strength of the buffer due to the lack of electrostatic repulsion between the duplex strands. The simple peptidic backbone of PNA has been shown to be tolerant of modifications with substitutions that further enhance the duplex stability while providing opportunities for functionalization. Moreover, the metabolic stability of PNAs facilitates their integration into systems that interface with biology. Over the past decade, there has been a growing interest in using PNAs as biosupramolecular tags to program assemblies and reactions. A series of robust templated reactions have been developed with functionalized PNA. These reactions can be used to translate DNA templates into functional polymers of unprecedented complexity, fluorescent outputs, or bioactive small molecules. Furthermore, cellular nucleic acids (mRNA or miRNA) have been harnessed to promote assemblies and reactions in live cells. The tolerance of PNA synthesis also lends itself to the encoding of small molecules that can be further assembled on the basis of their nucleic acid sequences. It is now well-established that hybridization-based assemblies displaying two or more ligands can interact synergistically with a target biomolecule. These assemblies have now been shown to be functional in vivo. Similarly, PNA-tagged macromolecules have been used to prepare bioactive assemblies and three-dimensional nanostructures. Several technologies based on DNA-templated synthesis of sequence-defined polymers or DNA-templated display of ligands have been shown to be compatible with reiterative cycles of selection/amplification starting with large libraries of DNA templates, bringing the power of in vitro evolution to synthetic molecules and offering the possibility of exploring uncharted molecular diversity space with unprecedented scope and speed.
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Affiliation(s)
- Sofia Barluenga
- Department of Organic Chemistry,
NCCR Chemical Biology, University of Geneva, 30 quai Ernest Ansermet, Geneva, Switzerland
| | - Nicolas Winssinger
- Department of Organic Chemistry,
NCCR Chemical Biology, University of Geneva, 30 quai Ernest Ansermet, Geneva, Switzerland
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45
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Matikonda SS, Orsi DL, Staudacher V, Jenkins IA, Fiedler F, Chen J, Gamble AB. Bioorthogonal prodrug activation driven by a strain-promoted 1,3-dipolar cycloaddition. Chem Sci 2014; 6:1212-1218. [PMID: 29560207 PMCID: PMC5811098 DOI: 10.1039/c4sc02574a] [Citation(s) in RCA: 102] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2014] [Accepted: 11/07/2014] [Indexed: 12/21/2022] Open
Abstract
Bioorthogonal prodrug activation controlled by the reaction of a trans-cyclooctene with an azide-functionalized prodrug is presented.
Due to the formation of hydrolysis-susceptible adducts, the 1,3-dipolar cycloaddition between an azide and strained trans-cyclooctene (TCO) has been disregarded in the field of bioorthogonal chemistry. We report a method which uses the instability of the adducts to our advantage in a prodrug activation strategy. The reaction of trans-cyclooctenol (TCO-OH) with a model prodrug resulted in a rapid 1,3-dipolar cycloaddition with second-order rates of 0.017 M–1 s–1 and 0.027 M–1 s–1 for the equatorial and axial isomers, respectively, resulting in release of the active compound. 1H NMR studies showed that activation proceeded via a triazoline and imine, both of which are rapidly hydrolyzed to release the model drug. Cytotoxicity of a doxorubicin prodrug was restored in vitro upon activation with TCO-OH, while with cis-cyclooctenol (CCO-OH) no activation was observed. The data also demonstrates the potential of this reaction in organic synthesis as a mild orthogonal protecting group strategy for amino and hydroxyl groups.
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Affiliation(s)
| | - Douglas L Orsi
- School of Pharmacy , University of Otago , Dunedin , 9054 , New Zealand .
| | - Verena Staudacher
- School of Pharmacy , University of Otago , Dunedin , 9054 , New Zealand .
| | - Imogen A Jenkins
- School of Pharmacy , University of Otago , Dunedin , 9054 , New Zealand .
| | - Franziska Fiedler
- School of Pharmacy , University of Otago , Dunedin , 9054 , New Zealand .
| | - Jiayi Chen
- School of Pharmacy , University of Otago , Dunedin , 9054 , New Zealand .
| | - Allan B Gamble
- School of Pharmacy , University of Otago , Dunedin , 9054 , New Zealand .
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46
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Choi Y, Metcalf G, Sleiman MH, Vair-Turnbull D, Ladame S. Oligonucleotide-templated reactions based on Peptide Nucleic Acid (PNA) probes: concept and biomedical applications. Bioorg Med Chem 2014; 22:4395-8. [PMID: 24957880 DOI: 10.1016/j.bmc.2014.05.071] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Revised: 05/28/2014] [Accepted: 05/30/2014] [Indexed: 12/12/2022]
Abstract
Sensing technologies based on Peptide Nucleic Acids (PNAs) and oligonucleotide-templated chemistry are perfectly suited for biomedical applications (e.g., diagnosis, prognosis and stratification of diseases) and could compete well with more traditional amplification technologies using expensive dual-labelled oligonucleotide probes. PNAs can be easily synthesised and functionalised, are more stable and are more responsive to point-mutations than their DNA counterpart. For these reasons, fluorogenic PNAs represent an interesting alternative to DNA-based molecular beacons for sensing applications in a cell-free environment, where cellular uptake is not required.
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Affiliation(s)
- Youngeun Choi
- Department of Bioengineering, Imperial College London, London SW7 2AZ, UK
| | - Gavin Metcalf
- Department of Bioengineering, Imperial College London, London SW7 2AZ, UK
| | - Mazen Haj Sleiman
- Department of Bioengineering, Imperial College London, London SW7 2AZ, UK
| | | | - Sylvain Ladame
- Department of Bioengineering, Imperial College London, London SW7 2AZ, UK.
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47
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Vázquez O, Seitz O. Templated native chemical ligation: peptide chemistry beyond protein synthesis. J Pept Sci 2014; 20:78-86. [PMID: 24395765 DOI: 10.1002/psc.2602] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Revised: 11/22/2013] [Accepted: 11/22/2013] [Indexed: 12/11/2022]
Abstract
Native chemical ligation (NCL) is a powerful method for the convergent synthesis of proteins and peptides. In its original format, NCL between a peptide containing a C-terminal thioester and another peptide offering an N-terminal cysteine has been used to enable protein synthesis of unprotected peptide fragments. However, the applications of NCL extend beyond the scope of protein synthesis. For instance, NCL can be put under the control of template molecules. In such a scenario, NCL enables the design of conditional reaction systems in which, peptide bond formation occurs only when a specific third party molecule is present. In this review, we will show how templates can be used to control the reactivity and chemoselectivity of NCL reactions. We highlight peptide and nucleic-acid-templated NCL reactions and discuss potential applications in nucleic acid diagnosis, origin-of-life studies and gene-expression-specific therapies.
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Affiliation(s)
- Olalla Vázquez
- Institut für Chemie, Humboldt-Universität zu Berlin, Brook-Taylor-Strasse 2, D-12489, Berlin, Germany
| | - Oliver Seitz
- Institut für Chemie, Humboldt-Universität zu Berlin, Brook-Taylor-Strasse 2, D-12489, Berlin, Germany
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48
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Vázquez O, Seitz O. Cytotoxic peptide–PNA conjugates obtained by RNA-programmed peptidyl transfer with turnover. Chem Sci 2014. [DOI: 10.1039/c4sc00299g] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
A RNA triggered chemical peptidyl transfer reaction leads to a cytotoxic peptide conjugate that requires turnover in RNA for bioactivity.
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Affiliation(s)
- O. Vázquez
- Institut für Chemie
- Humboldt-Universität zu Berlin
- 12489-Berlin, Germany
| | - O. Seitz
- Institut für Chemie
- Humboldt-Universität zu Berlin
- 12489-Berlin, Germany
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49
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Michaelis J, Roloff A, Seitz O. Amplification by nucleic acid-templated reactions. Org Biomol Chem 2014; 12:2821-33. [DOI: 10.1039/c4ob00096j] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Nucleic acid-templated reactions that proceed with turnover provide a means for signal amplification, which facilitates the use and detection of biologically occurring DNA/RNA molecules.
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Affiliation(s)
- Julia Michaelis
- Institut für Chemie der Humboldt-Universität zu Berlin
- 12489-Berlin, Germany
| | - Alexander Roloff
- Institut für Chemie der Humboldt-Universität zu Berlin
- 12489-Berlin, Germany
| | - Oliver Seitz
- Institut für Chemie der Humboldt-Universität zu Berlin
- 12489-Berlin, Germany
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50
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Roloff A, Seitz O. Reducing product inhibition in nucleic acid-templated ligation reactions: DNA-templated cycligation. Chembiochem 2013; 14:2322-8. [PMID: 24243697 DOI: 10.1002/cbic.201300516] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Indexed: 01/19/2023]
Abstract
Programmable interactions allow nucleic acid molecules to template chemical reactions by increasing the effective molarities of appended reactive groups. DNA/RNA-triggered reactions can proceed, in principle, with turnover in the template. The amplification provided by the formation of many product molecules per template is a valuable asset when the availability of the DNA or RNA target is limited. However, turnover is usually impeded by reaction products that block access to the template. Product inhibition is most severe in ligation reactions, where products after ligation have dramatically increased template affinities. We introduce a potentially generic approach to reduce product inhibition in nucleic acid-programmed ligation reactions. A DNA-triggered ligation-cyclization sequence ("cycligation") of bifunctional peptide nucleic acid (PNA) conjugates affords cyclic ligation products. Melting experiments revealed that product cyclization is accompanied by a pronounced decrease in template affinity compared to linear ligation products. The reaction system relies upon haloacetylated PNA-thioesters and isocysteinyl-PNA-cysteine conjugates, which were ligated on a DNA template according to a native chemical ligation mechanism. Dissociation of the resulting linear product-template duplex (induced by, for example, thermal cycling) enabled product cyclization through sulfur-halide substitution. Both ligation and cyclization are fast reactions (ligation: 86 % yield after 20 min, cyclization: quantitative after 5 min). Under thermocycling conditions, the DNA template was able to trigger the formation of new product molecules when fresh reactants were added. Furthermore, cycligation produced 2-3 times more product than a conventional ligation reaction with substoichiometric template loads (0.25-0.01 equiv). We believe that cyclization of products from DNA-templated reactions could ultimately afford systems that completely overcome product inhibition.
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Affiliation(s)
- Alexander Roloff
- Institut für Chemie, Humboldt-Universität zu Berlin, Brook-Taylor-Strasse 2, 12489-Berlin (Germany)
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