1
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Mirloup A, Berthomé Y, Riché S, Wagner P, Hanser F, Laurent A, Iturrioz X, Llorens-Cortes C, Karpenko J, Bonnet D. Alared: Solvatochromic and Fluorogenic Red Amino Acid for Ratiometric Live-Cell Imaging of Bioactive Peptides. Chemistry 2024; 30:e202401296. [PMID: 38641990 DOI: 10.1002/chem.202401296] [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: 04/11/2024] [Accepted: 04/17/2024] [Indexed: 04/21/2024]
Abstract
To fill the need for environmentally sensitive fluorescent unnatural amino acids able to operate in the red region of the spectrum, we have designed and synthesized Alared, a red solvatochromic and fluorogenic amino acid derived from the Nile Red chromophore. The new unnatural amino acid can be easily integrated into bioactive peptides using classical solid-phase peptide synthesis. The fluorescence quantum yield and the emission maximum of Alared-labeled peptides vary in a broad range depending on the peptide's environment, making Alared a powerful reporter of biomolecular interactions. Due to its red-shifted absorption and emission spectra, Alared-labeled peptides could be followed in living cells with minimal interference from cellular autofluorescence. Using ratiometric fluorescence microscopy, we were able to track the fate of the Alared-labeled peptide agonists of the apelin G protein-coupled receptor upon receptor activation and internalization. Due to its color-shifting environmentally sensitive emission, Alared allowed for distinguishing the fractions of peptides that are specifically bound to the receptor or unspecifically bound to different cellular membranes.
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Affiliation(s)
- Antoine Mirloup
- Laboratoire d'Innovation Thérapeutique, UMR7200 CNRS/, Université de Strasbourg, Institut du Médicament de Strasbourg, 74 route du Rhin, F-67000, Strasbourg, France
| | - Yann Berthomé
- Laboratoire d'Innovation Thérapeutique, UMR7200 CNRS/, Université de Strasbourg, Institut du Médicament de Strasbourg, 74 route du Rhin, F-67000, Strasbourg, France
| | - Stéphanie Riché
- Laboratoire d'Innovation Thérapeutique, UMR7200 CNRS/, Université de Strasbourg, Institut du Médicament de Strasbourg, 74 route du Rhin, F-67000, Strasbourg, France
| | - Patrick Wagner
- Laboratoire d'Innovation Thérapeutique, UMR7200 CNRS/, Université de Strasbourg, Institut du Médicament de Strasbourg, 74 route du Rhin, F-67000, Strasbourg, France
| | - Fabien Hanser
- Laboratoire d'Innovation Thérapeutique, UMR7200 CNRS/, Université de Strasbourg, Institut du Médicament de Strasbourg, 74 route du Rhin, F-67000, Strasbourg, France
| | - Arthur Laurent
- Laboratoire d'Innovation Thérapeutique, UMR7200 CNRS/, Université de Strasbourg, Institut du Médicament de Strasbourg, 74 route du Rhin, F-67000, Strasbourg, France
| | - Xavier Iturrioz
- Université Paris Saclay, CEA, INRAE, Medicines and Technologies for Health Department, SIMoS, F-91190, Gif-sur-Yvette, France
| | - Catherine Llorens-Cortes
- Université Paris Saclay, CEA, INRAE, Medicines and Technologies for Health Department, SIMoS, F-91190, Gif-sur-Yvette, France
- Laboratory of Central Neuropeptides in the Regulation of Body Fluid Homeostasis and Cardiovascular Functions, College de France, INSERM U1050/CNRS UMR7241, 11 Place Marcelin Berthelot, 75005, Paris, France
| | - Julie Karpenko
- Laboratoire d'Innovation Thérapeutique, UMR7200 CNRS/, Université de Strasbourg, Institut du Médicament de Strasbourg, 74 route du Rhin, F-67000, Strasbourg, France
| | - Dominique Bonnet
- Laboratoire d'Innovation Thérapeutique, UMR7200 CNRS/, Université de Strasbourg, Institut du Médicament de Strasbourg, 74 route du Rhin, F-67000, Strasbourg, France
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2
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Clarke R, Zeng L, Atkinson BC, Kadodwala M, Thomson AR, Sutherland A. Fluorescent carbazole-derived α-amino acids: structural mimics of tryptophan. Chem Sci 2024; 15:5944-5949. [PMID: 38665535 PMCID: PMC11040653 DOI: 10.1039/d4sc01173b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 03/20/2024] [Indexed: 04/28/2024] Open
Abstract
Fluorescent tags are commonly used for imaging of proteins and peptides during biological events; however, the large size of dyes can disrupt protein structure and function, and typically require the use of a chemical spacer. Herein, we report the synthesis of a new class of fluorescent unnatural α-amino acid, containing carbazole side-chains designed to mimic l-tryptophan and thus, readily incorporated into peptides. The amino acids were constructed using a Negishi cross-coupling reaction as the key step and exhibited strong fluorescent emission, with high quantum yields in both organic solvents and water. Compatible with solid phase peptide synthesis, the carbazole amino acids were used to replace tryptophan in a β-hairpin model peptide and shown to be a close structural mimic with retention of conformation. They were also found to be effective fluorescent molecular reporters for biological events. Incorporation into a proline-rich ligand of the WW domain protein demonstrated that the fluorescent properties of a carbazole amino acid could be used to measure the protein-protein binding interaction of this important biological signalling process.
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Affiliation(s)
- Rebecca Clarke
- School of Chemistry, University of Glasgow Joseph Black Building, University Avenue Glasgow G12 8QQ UK
| | - Liyao Zeng
- School of Chemistry, University of Glasgow Joseph Black Building, University Avenue Glasgow G12 8QQ UK
| | - Bethany C Atkinson
- School of Chemistry, University of Glasgow Joseph Black Building, University Avenue Glasgow G12 8QQ UK
| | - Malcolm Kadodwala
- School of Chemistry, University of Glasgow Joseph Black Building, University Avenue Glasgow G12 8QQ UK
| | - Andrew R Thomson
- School of Chemistry, University of Glasgow Joseph Black Building, University Avenue Glasgow G12 8QQ UK
| | - Andrew Sutherland
- School of Chemistry, University of Glasgow Joseph Black Building, University Avenue Glasgow G12 8QQ UK
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3
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Dalal A, Bodak S, Babu SA. Picolinamide-assisted ortho-C-H functionalization of pyrenylglycine derivatives using aryl iodides. Org Biomol Chem 2024; 22:1279-1298. [PMID: 38258893 DOI: 10.1039/d3ob01731a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Chemical transformations involving the pyrenylglycine motif (an unnatural amino acid) and practical methods toward it are seldom known. This work aimed at developing a method for synthesizing novel pyrenylglycine (pyrene-based glycine) unnatural amino acid derivatives. To realize this, initially, a new pyrenylglycine substrate possessing the picolinamide moiety was assembled via the Ugi multicomponent reaction. The picolinamide moiety linked to amine substrates is a well-known bidentate directing group for accomplishing the site-selective γ-C-H functionalization of amines. Subsequently, it was aimed at using a Pd(II)-catalyzed bidentate directing group-aided γ-C-H arylation strategy for generating a wide range of unprecedented examples of C(2)-H arylated pyrenylglycines. Accordingly, pyrenylglycine possessing the picolinamide moiety was subjected to Pd(II)-catalyzed C(2)-H arylation in the non-K-region to afford a library of C(2)-arylated pyrenylglycines (π-extended pyrenes). Additionally, pyrenylglycine-based small peptides were assembled using C(2)-arylated pyrenylglycines. The X-ray structure of a representative compound was obtained, which corroborated the structure of pyrenylglycine and the regioselectivity of C(2)-H arylation of the pyrene in the non-K-region.
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Affiliation(s)
- Arup Dalal
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O., Punjab, 140306, India.
| | - Subhankar Bodak
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O., Punjab, 140306, India.
| | - Srinivasarao Arulananda Babu
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O., Punjab, 140306, India.
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4
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Dodds AC, Sansom HG, Magennis SW, Sutherland A. Synthesis of Thiazoloindole α-Amino Acids: Chromophores Amenable to One- and Two-Photon Induced Fluorescence. Org Lett 2023; 25:8942-8946. [PMID: 38055619 PMCID: PMC10729019 DOI: 10.1021/acs.orglett.3c03851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/02/2023] [Accepted: 12/05/2023] [Indexed: 12/08/2023]
Abstract
Thiazoloindole α-amino acids have been synthesized in four steps from tryptophan using a dual-catalytic thiolation reaction and a copper-mediated intramolecular N-arylation process. Late-stage diversification of the thiazoloindole core with electron-deficient aryl substituents produced chromophores that on one-photon excitation displayed blue-green emission, mega-Stokes shifts, and high quantum yields. The thiazoloindole amino acids could also be excited via two-photon absorption in the near-infrared, demonstrating their potential for biomedical imaging applications.
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Affiliation(s)
- Amy C. Dodds
- School of Chemistry, The Joseph Black
Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Henry G. Sansom
- School of Chemistry, The Joseph Black
Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Steven W. Magennis
- School of Chemistry, The Joseph Black
Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Andrew Sutherland
- School of Chemistry, The Joseph Black
Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
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5
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Winer L, Motiei L, Margulies D. Fluorescent Investigation of Proteins Using DNA-Synthetic Ligand Conjugates. Bioconjug Chem 2023; 34:1509-1522. [PMID: 37556353 PMCID: PMC10515487 DOI: 10.1021/acs.bioconjchem.3c00203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 06/27/2023] [Indexed: 08/11/2023]
Abstract
The unfathomable role that fluorescence detection plays in the life sciences has prompted the development of countless fluorescent labels, sensors, and analytical techniques that can be used to detect and image proteins or investigate their properties. Motivated by the demand for simple-to-produce, modular, and versatile fluorescent tools to study proteins, many research groups have harnessed the advantages of oligodeoxynucleotides (ODNs) for scaffolding such probes. Tight control over the valency and position of protein binders and fluorescent dyes decorating the polynucleotide chain and the ability to predict molecular architectures through self-assembly, inherent solubility, and stability are, in a nutshell, the important properties of DNA probes. This paper reviews the progress in developing DNA-based, fluorescent sensors or labels that navigate toward their protein targets through small-molecule (SM) or peptide ligands. By describing the design, operating principles, and applications of such systems, we aim to highlight the versatility and modularity of this approach and the ability to use ODN-SM or ODN-peptide conjugates for various applications such as protein modification, labeling, and imaging, as well as for biomarker detection, protein surface characterization, and the investigation of multivalency.
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Affiliation(s)
- Lulu Winer
- Department of Chemical and
Structural Biology, Weizmann Institute of
Science, Rehovot, 76100, Israel
| | - Leila Motiei
- Department of Chemical and
Structural Biology, Weizmann Institute of
Science, Rehovot, 76100, Israel
| | - David Margulies
- Department of Chemical and
Structural Biology, Weizmann Institute of
Science, Rehovot, 76100, Israel
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6
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Songsri S, Harkiss AH, Sutherland A. Synthesis and Photophysical Properties of Charge-Transfer-Based Pyrimidine-Derived α-Amino Acids. J Org Chem 2023; 88:13214-13224. [PMID: 37621156 PMCID: PMC10507667 DOI: 10.1021/acs.joc.3c01437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Indexed: 08/26/2023]
Abstract
The four-step synthesis of fluorescent pyrimidine-derived α-amino acids from an l-aspartic acid derivative is described. The key synthetic steps involved preparation of ynone intermediates via the reaction of alkynyl lithium salts with a Weinreb amide, followed by an ytterbium-catalyzed heterocyclization reaction with amidines. Variation of substituents at the C2- and C4-position of the pyrimidine ring allowed tuning of the photoluminescent properties of the α-amino acids. This revealed that a combination of highly conjugated or electron-rich aryl substituents with the π-deficient pyrimidine motif resulted in fluorophores with the highest quantum yields and overall brightness. Further analysis of the most fluorogenic α-amino acid demonstrated solvatochromism and sensitivity to pH.
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Affiliation(s)
- Sineenard Songsri
- School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Alexander H. Harkiss
- School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Andrew Sutherland
- School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
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7
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McGrory R, Clarke R, Marshall O, Sutherland A. Fluorescent α-amino acids via Heck-Matsuda reactions of phenylalanine-derived arenediazonium salts. Org Biomol Chem 2023; 21:6932-6939. [PMID: 37580965 DOI: 10.1039/d3ob01096a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2023]
Abstract
The Heck-Matsuda coupling reaction of arenediazonium salts derived from L-phenylalanine with various alkenes has been developed. A two-step process involving the preparation of a tetrafluoroborate diazonium salt from a 4-aminophenylalanine derivative, followed by a palladium(0)-catalysed Heck-Matsuda coupling reaction allowed access to a range of unnatural α-amino acids with cinnamate, vinylsulfone and stilbene side-chains. Analysis of the photophysical properties of these unnatural α-amino acids demonstrated that the (E)-stilbene analogues exhibited fluorescent properties with red-shifted absorption and emission spectra and larger quantum yields than L-phenylalanine.
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Affiliation(s)
- Rochelle McGrory
- School of Chemistry, University of Glasgow, The Joseph Black Building, Glasgow, G12 8QQ, UK.
| | - Rebecca Clarke
- School of Chemistry, University of Glasgow, The Joseph Black Building, Glasgow, G12 8QQ, UK.
| | - Olivia Marshall
- School of Chemistry, University of Glasgow, The Joseph Black Building, Glasgow, G12 8QQ, UK.
| | - Andrew Sutherland
- School of Chemistry, University of Glasgow, The Joseph Black Building, Glasgow, G12 8QQ, UK.
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8
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McGrory R, Morgan DC, Jamieson AG, Sutherland A. Rotamer-Controlled Dual Emissive α-Amino Acids. Org Lett 2023; 25:5844-5849. [PMID: 37506290 PMCID: PMC10425982 DOI: 10.1021/acs.orglett.3c02112] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Indexed: 07/30/2023]
Abstract
The synthesis and photoluminescent properties of novel α-amino acids are described in which the biaryl benzotriazinone-containing chromophores were found to display dual emission fluorescence via locally excited (LE) and twisted intramolecular charge transfer (TICT) states. The intensity of each emission band could be controlled by the electronics and position of the substituents, and this led to the design of a 2-methoxyphenyl analogue that, due to twisting, displayed bright TICT fluorescence, solvatochromism, and pH sensitivity.
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Affiliation(s)
- Rochelle McGrory
- School
of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United
Kingdom
| | - Danielle C. Morgan
- School
of Chemistry, Advanced Research Centre, University of Glasgow, Glasgow G11 6EW, United
Kingdom
| | - Andrew G. Jamieson
- School
of Chemistry, Advanced Research Centre, University of Glasgow, Glasgow G11 6EW, United
Kingdom
| | - Andrew Sutherland
- School
of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United
Kingdom
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9
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Mendive‐Tapia L, Miret‐Casals L, Barth ND, Wang J, de Bray A, Beltramo M, Robert V, Ampe C, Hodson DJ, Madder A, Vendrell M. Acid-Resistant BODIPY Amino Acids for Peptide-Based Fluorescence Imaging of GPR54 Receptors in Pancreatic Islets. Angew Chem Int Ed Engl 2023; 62:e202302688. [PMID: 36917014 PMCID: PMC10947197 DOI: 10.1002/anie.202302688] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/09/2023] [Accepted: 03/14/2023] [Indexed: 03/15/2023]
Abstract
The G protein-coupled kisspeptin receptor (GPR54 or KISS1R) is an important mediator in reproduction, metabolism and cancer biology; however, there are limited fluorescent probes or antibodies for direct imaging of these receptors in cells and intact tissues, which can help to interrogate their multiple biological roles. Herein, we describe the rational design and characterization of a new acid-resistant BODIPY-based amino acid (Trp-BODIPY PLUS), and its implementation for solid-phase synthesis of fluorescent bioactive peptides. Trp-BODIPY PLUS retains the binding capabilities of both short linear and cyclic peptides and displays notable turn-on fluorescence emission upon target binding for wash-free imaging. Finally, we employed Trp-BODIPY PLUS to prepare some of the first fluorogenic kisspeptin-based probes and visualized the expression and localization of GPR54 receptors in human cells and in whole mouse pancreatic islets by fluorescence imaging.
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Affiliation(s)
| | - Laia Miret‐Casals
- Department of Organic and Macromolecular ChemistryFaculty of SciencesGhent University9000GhentBelgium
| | - Nicole D. Barth
- Centre for Inflammation ResearchThe University of EdinburghEH16 4TJEdinburghUK
| | - Jinling Wang
- Centre for Inflammation ResearchThe University of EdinburghEH16 4TJEdinburghUK
| | - Anne de Bray
- Oxford Centre for DiabetesEndocrinology and Metabolism (OCDEM)Radcliffe Department of MedicineUniversity of OxfordOX3 7LEOxfordUK
| | - Massimiliano Beltramo
- Equipe Neuroendocrinologie Moleculaire de la ReproductionPhysiologie de la Reproduction et des ComportementsCentre INRA Val de Loire37380NouzillyFrance
| | - Vincent Robert
- Equipe Neuroendocrinologie Moleculaire de la ReproductionPhysiologie de la Reproduction et des ComportementsCentre INRA Val de Loire37380NouzillyFrance
| | - Christophe Ampe
- Department of Biomolecular MedicineFaculty of Medicine and Health SciencesGhent University9052GhentBelgium
| | - David J. Hodson
- Oxford Centre for DiabetesEndocrinology and Metabolism (OCDEM)Radcliffe Department of MedicineUniversity of OxfordOX3 7LEOxfordUK
| | - Annemieke Madder
- Department of Organic and Macromolecular ChemistryFaculty of SciencesGhent University9000GhentBelgium
| | - Marc Vendrell
- Centre for Inflammation ResearchThe University of EdinburghEH16 4TJEdinburghUK
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10
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Mendive‐Tapia L, Miret‐Casals L, Barth ND, Wang J, de Bray A, Beltramo M, Robert V, Ampe C, Hodson DJ, Madder A, Vendrell M. Acid-Resistant BODIPY Amino Acids for Peptide-Based Fluorescence Imaging of GPR54 Receptors in Pancreatic Islets. ANGEWANDTE CHEMIE (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 135:e202302688. [PMID: 38516305 PMCID: PMC10952496 DOI: 10.1002/ange.202302688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Indexed: 03/17/2023]
Abstract
The G protein-coupled kisspeptin receptor (GPR54 or KISS1R) is an important mediator in reproduction, metabolism and cancer biology; however, there are limited fluorescent probes or antibodies for direct imaging of these receptors in cells and intact tissues, which can help to interrogate their multiple biological roles. Herein, we describe the rational design and characterization of a new acid-resistant BODIPY-based amino acid (Trp-BODIPY PLUS), and its implementation for solid-phase synthesis of fluorescent bioactive peptides. Trp-BODIPY PLUS retains the binding capabilities of both short linear and cyclic peptides and displays notable turn-on fluorescence emission upon target binding for wash-free imaging. Finally, we employed Trp-BODIPY PLUS to prepare some of the first fluorogenic kisspeptin-based probes and visualized the expression and localization of GPR54 receptors in human cells and in whole mouse pancreatic islets by fluorescence imaging.
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Affiliation(s)
| | - Laia Miret‐Casals
- Department of Organic and Macromolecular ChemistryFaculty of SciencesGhent University9000GhentBelgium
| | - Nicole D. Barth
- Centre for Inflammation ResearchThe University of EdinburghEH16 4TJEdinburghUK
| | - Jinling Wang
- Centre for Inflammation ResearchThe University of EdinburghEH16 4TJEdinburghUK
| | - Anne de Bray
- Oxford Centre for DiabetesEndocrinology and Metabolism (OCDEM)Radcliffe Department of MedicineUniversity of OxfordOX3 7LEOxfordUK
| | - Massimiliano Beltramo
- Equipe Neuroendocrinologie Moleculaire de la ReproductionPhysiologie de la Reproduction et des ComportementsCentre INRA Val de Loire37380NouzillyFrance
| | - Vincent Robert
- Equipe Neuroendocrinologie Moleculaire de la ReproductionPhysiologie de la Reproduction et des ComportementsCentre INRA Val de Loire37380NouzillyFrance
| | - Christophe Ampe
- Department of Biomolecular MedicineFaculty of Medicine and Health SciencesGhent University9052GhentBelgium
| | - David J. Hodson
- Oxford Centre for DiabetesEndocrinology and Metabolism (OCDEM)Radcliffe Department of MedicineUniversity of OxfordOX3 7LEOxfordUK
| | - Annemieke Madder
- Department of Organic and Macromolecular ChemistryFaculty of SciencesGhent University9000GhentBelgium
| | - Marc Vendrell
- Centre for Inflammation ResearchThe University of EdinburghEH16 4TJEdinburghUK
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11
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Song L, Lv Z, Li Y, Zhang K, Van der Eycken EV, Cai L. Construction of Peptide-Isoquinolone Conjugates via Rh(III)-Catalyzed C-H Activation/Annulation. Org Lett 2023; 25:2996-3000. [PMID: 37129283 DOI: 10.1021/acs.orglett.3c00766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Herein, we disclose a Rh(III)-catalyzed C-H activation/annulation reaction for the derivatization of Lys-based peptides, in situ affording diverse peptide-isoquinolone conjugates. This approach features racemization-free conditions, high atom- and step-economy, excellent chemo- and site-selectivity, and broad scope including substrates bearing unprotected Trp and Tyr, free Ser and Gln, and Met residues. The peptide-isoquinolone conjugates also display good fluorescent properties with maximum emission wavelengths up to 460 nm. Importantly, preliminary antifungal activity studies indicate that peptide-isoquinolone conjugates show potential activities toward crop and forest pathogenic fungi, in which the peptide-isoquinolone conjugate bearing unprotected Tyr residue exhibits much better antifungal activities toward B. cinerea Pers. and C. chrysosperma than the positive control.
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Affiliation(s)
- Liangliang Song
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, Jiangsu, China
| | - Zhenwei Lv
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, Jiangsu, China
| | - Yan Li
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, Jiangsu, China
| | - Kui Zhang
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, Jiangsu, China
| | - Erik V Van der Eycken
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, KU Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium
- Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya street, Moscow, 117198, Russia
| | - Lingchao Cai
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, Jiangsu, China
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12
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Riley L, Mclay TN, Sutherland A. Synthesis and Fluorescent Properties of Alkynyl- and Alkenyl-Fused Benzotriazole-Derived α-Amino Acids. J Org Chem 2023; 88:2453-2463. [PMID: 36749161 PMCID: PMC9942204 DOI: 10.1021/acs.joc.2c02886] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Fluorescent unnatural α-amino acids are widely used as probes in chemical biology and medicinal chemistry. While a variety of structural classes have been developed, there is still a requirement for new environmentally sensitive analogues that can closely mimic proteinogenic α-amino acids. Here, we report the synthesis and fluorescent properties of highly conjugated, benzotriazole-derived α-amino acids designed to mimic l-tryptophan. Alkynyl-substituted analogues were prepared using three key steps, nucleophilic aromatic substitution with a 3-aminoalanine derivative, benzotriazole formation via a one-pot diazotization and cyclization process, and a Sonogashira cross-coupling reaction. E-Alkenyl-substituted benzotriazoles were accessed by stereoselective partial hydrogenation of the alkynes using zinc iodide and palladium catalysis. The alkynyl analogues were found to possess higher quantum yields and stronger brightness and, a solvatochromic study with the most fluorogenic α-amino acids demonstrated sensitivity to polarity.
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13
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Rémond E, Fehrentz J, Liénart L, Clément S, Banères J, Cavelier F. Fluorescent P‐Hydroxyphosphole for Peptide Labeling through P‐N Bond Formation. Chemistry 2022; 28:e202201526. [DOI: 10.1002/chem.202201526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Emmanuelle Rémond
- Institut des Biomolécules Max Mousseronm IBMM, UMR 5247 Pôle Chimie Balard 1919, route de Mende 34093 Montpellier cedex 5 France
| | - Jean‐Alain Fehrentz
- Institut des Biomolécules Max Mousseronm IBMM, UMR 5247 Pôle Chimie Balard 1919, route de Mende 34093 Montpellier cedex 5 France
| | - Laure Liénart
- Institut des Biomolécules Max Mousseronm IBMM, UMR 5247 Pôle Chimie Balard 1919, route de Mende 34093 Montpellier cedex 5 France
| | - Sébastien Clément
- Institut Charles Gerhardt Montpellier, ICGM, UMR 5253 Pôle Chimie Balard 1919, route de Mende 34093 Montpellier cedex 5 France
| | - Jean‐Louis Banères
- Institut des Biomolécules Max Mousseronm IBMM, UMR 5247 Pôle Chimie Balard 1919, route de Mende 34093 Montpellier cedex 5 France
| | - Florine Cavelier
- Institut des Biomolécules Max Mousseronm IBMM, UMR 5247 Pôle Chimie Balard 1919, route de Mende 34093 Montpellier cedex 5 France
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14
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Dziuba D. Environmentally sensitive fluorescent nucleoside analogues as probes for nucleic acid - protein interactions: molecular design and biosensing applications. Methods Appl Fluoresc 2022; 10. [PMID: 35738250 DOI: 10.1088/2050-6120/ac7bd8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 06/23/2022] [Indexed: 11/12/2022]
Abstract
Fluorescent nucleoside analogues (FNAs) are indispensable in studying the interactions of nucleic acids with nucleic acid-binding proteins. By replacing one of the poorly emissive natural nucleosides, FNAs enable real-time optical monitoring of the binding interactions in solutions, under physiologically relevant conditions, with high sensitivity. Besides that, FNAs are widely used to probe conformational dynamics of biomolecular complexes using time-resolved fluorescence methods. Because of that, FNAs are tools of high utility for fundamental biological research, with potential applications in molecular diagnostics and drug discovery. Here I review the structural and physical factors that can be used for the conversion of the molecular binding events into a detectable fluorescence output. Typical environmentally sensitive FNAs, their properties and applications, and future challenges in the field are discussed.
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Affiliation(s)
- Dmytro Dziuba
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Université de Strasbourg, 74 Route du Rhin, Illkirch-Graffenstaden, Grand Est, 67401, FRANCE
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15
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Banwell MG, Schwartz BD, Bissember AC, Herlt T, Willis AC, Gardiner MG, Illesinghe J, Robinson AJ. Syntheses of the (±)‐, (+)‐, and (−)‐Forms of 2‐Amino‐3‐(8‐hydroxyquinolin‐3‐yl)propanoic Acid (8HQ‐3Ala) from a Common Dehydroamino Acid Methyl Ester Precursor. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202100455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Martin G. Banwell
- Institute for Advanced and Applied Chemical Synthesis Jinan University, Guangzhou Guangdong 510632 China
| | - Brett D. Schwartz
- Research School of Chemistry Institute of Advanced Studies The Australian National University Canberra ACT 2601 Australia
| | - Alex C. Bissember
- Research School of Chemistry Institute of Advanced Studies The Australian National University Canberra ACT 2601 Australia
| | - Tony Herlt
- Research School of Chemistry Institute of Advanced Studies The Australian National University Canberra ACT 2601 Australia
| | - Anthony C. Willis
- Research School of Chemistry Institute of Advanced Studies The Australian National University Canberra ACT 2601 Australia
| | - Michael G. Gardiner
- Research School of Chemistry Institute of Advanced Studies The Australian National University Canberra ACT 2601 Australia
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16
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Rashid P, Sanjayan GJ. A multi-purpose synthetic α-amino acid featuring coumarin and ureidopyrimidinone motifs on its backbone: Synthesis and peptide formation. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153695] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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17
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Preparation and Study of Folate Modified Albumin Targeting Microspheres. JOURNAL OF ONCOLOGY 2022; 2022:3968403. [PMID: 35126516 PMCID: PMC8816550 DOI: 10.1155/2022/3968403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 01/07/2022] [Indexed: 11/17/2022]
Abstract
In this study, folate modified bovine serum albumin was successfully synthesized, while preparation of Nintedanib albumin microspheres (ND-FSA NPs) as a carrier was carried out via electrospinning technology. Folate modified albumin was used to enhance the targeting potential of the prepared microspheres. The prepared microspheres had spherical appearance and smooth outer surface. The diameters of microspheres (764.68 ± 88.46 nm) and zeta potential (- 18.38 ± 0.41 mV) were acceptable. The prepared ND-FSA NPs demonstrated a good degree of modification, wherein the modification rate was 28.1%. In vitro release was significantly increased in three different media (double deionized water-DDW, HCl-pH 1.2, and phosphate buffered solution containing 0.5% Tween 80). It is worth noting that incorporation of Nintedanib into folic acid modified albumin microspheres resulted in an enhanced uptake of the drug into MCF-7 breast cancer cells coupled with higher inhibition rate. Altogether, incorporation of Nintedanib into folate modified albumin microspheres is a new approach to improve water solubility and targeting effect of the drug.
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18
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Shatsauskas AL, Zablotskii YА, Chernenko SА, Zheleznova TY, Shuvalov VY, Kostyuchenko AS, Fisyuk AS. Synthesis and photophysical properties of the products of the reaction of 5-methyl-7-phenyl[1,3]oxazolo[5,4-b]pyridin-2(1H)-one with amino acids. Chem Heterocycl Compd (N Y) 2022. [DOI: 10.1007/s10593-021-03045-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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19
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Rational Design and Synthesis of Large Stokes Shift 2,6-Sulphur-Disubstituted BODIPYs for Cell Imaging. CHEMOSENSORS 2022. [DOI: 10.3390/chemosensors10010019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Five new disubstituted 2,6-thioaryl-BODIPY dyes were synthesized via selective aromatic electrophilic substitution from commercially available thiophenols. The analysis of the photophysical properties via absorption and emission spectroscopy showed unusually large Stokes shifts for BODIPY fluorophores (70–100 nm), which makes them suitable probes for bioimaging. Selected compounds were evaluated for labelling primary immune cells as well as different cancer cell lines using confocal fluorescence microscopy.
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20
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Morgan TF, Riley LM, Tavares AAS, Sutherland A. Automated Radiosynthesis of cis- and trans-4-[ 18F]Fluoro-l-proline Using [ 18F]Fluoride. J Org Chem 2021; 86:14054-14060. [PMID: 33913318 PMCID: PMC8524414 DOI: 10.1021/acs.joc.1c00755] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Indexed: 01/21/2023]
Abstract
The positron emission tomography imaging agents cis- and trans-4-[18F]fluoro-l-proline are used for the detection of numerous diseases such as pulmonary fibrosis and various carcinomas. These imaging agents are typically prepared by nucleophilic fluorination of 4-hydroxy-l-proline derivatives, with [18F]fluoride, followed by deprotection. Although effective radiofluorination reactions have been developed, the overall radiosynthesis process is suboptimal due to deprotection methods that are performed manually, require multiple steps, or involve harsh conditions. Here we describe the development of two synthetic routes that allow access to precursors, which undergo highly selective radiofluorination reactions and rapid deprotection, under mild acidic conditions. These methods were found to be compatible with automation, avoiding manual handling of radioactive intermediates.
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Affiliation(s)
- Timaeus
E. F. Morgan
- BHF-University
Centre for Cardiovascular Science, University
of Edinburgh, Edinburgh EH16 4TJ, United Kingdom
| | - Leanne M. Riley
- WestCHEM,
School of Chemistry, University of Glasgow, The Joseph Black Building, Glasgow G12 8QQ, United Kingdom
| | - Adriana A. S. Tavares
- BHF-University
Centre for Cardiovascular Science, University
of Edinburgh, Edinburgh EH16 4TJ, United Kingdom
| | - Andrew Sutherland
- WestCHEM,
School of Chemistry, University of Glasgow, The Joseph Black Building, Glasgow G12 8QQ, United Kingdom
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21
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Lee S, Kim J, Koh M. Recent Advances in Fluorescence Imaging by Genetically Encoded Non-canonical Amino Acids. J Mol Biol 2021; 434:167248. [PMID: 34547330 DOI: 10.1016/j.jmb.2021.167248] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 09/08/2021] [Accepted: 09/11/2021] [Indexed: 01/09/2023]
Abstract
Technical innovations in protein labeling with a fluorophore at the specific residue have played a significant role in studying protein dynamics. The genetic code expansion (GCE) strategy enabled the precise installation of fluorophores at the tailored site of proteins in live cells with minimal perturbation of native functions. Considerable advances have been achieved over the past decades in fluorescent imaging using GCE strategies along with bioorthogonal chemistries. In this review, we discuss advances in the GCE-based strategies to site-specifically introduce fluorophore at a defined position of the protein and their bio-imaging applications.
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Affiliation(s)
- Sanghee Lee
- Brain Science Institute, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea; Department of HY-KIST Bio-convergence, Hanyang University, Seoul 04763, Republic of Korea
| | - Jonghoon Kim
- Department of Chemistry and Integrative Institute of Basic Science, Soongsil University, Seoul 06978, Republic of Korea
| | - Minseob Koh
- Department of Chemistry, Pusan National University, Busan 46241, Republic of Korea.
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22
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Noden M, Taylor SD. Enantioselective Synthesis and Application of Small and Environmentally Sensitive Fluorescent Amino Acids for Probing Biological Interactions. J Org Chem 2021; 86:11407-11418. [PMID: 34387500 DOI: 10.1021/acs.joc.1c00907] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Environmentally sensitive fluorescent amino acids (FlAAs) have been used extensively to probe biological interactions. However, most of these amino acids are large and do not resemble amino acid side chains. Here, we report the enantioselective synthesis of two small and environmentally sensitive fluorescent amino acids bearing 7-dialkylaminocoumarin side chains by alkylation of a Ni(II) glycine Schiff base complex. These amino acids exhibit a large increase in fluorescence as environment polarity decreases. One of these FLAAs was incorporated into a highly active analog of the cyclic lipopeptide antibiotic paenibacterin by Fmoc solid-phase peptide synthesis via a new and very efficient route. This peptide was used to probe the interaction of the antibiotic with model liposomes, lipopolysaccharides, and live bacteria.
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Affiliation(s)
- Michael Noden
- Department of Chemistry, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - Scott D Taylor
- Department of Chemistry, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
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23
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Singh H, Verma S. Visualization of third-level information in latent fingerprints by a new fluorogenic L-tyrosine analogue. Chem Commun (Camb) 2021; 57:5290-5293. [PMID: 33942826 DOI: 10.1039/d1cc01910d] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Incorporation of fluorescent α-amino acids in peptide/protein sequences, at desired positions, is eminently useful for non-invasive detection of cellular events, without impacting their native properties. As an extension to such an approach, we describe the design of two stable, fluorescent l-tyrosine analogs, FHBY and BHBY, exhibiting photophysical properties associated with the AIE-coupled ESIPT mechanism, for fluorescent reporting of latent fingerprints. Notably, FHBY selectively adheres to the papillary ridges of latent fingerprints and reveals up to the third-level of information at one of the lowest reported concentrations of 25 μM.
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Affiliation(s)
- Harminder Singh
- Department of Chemistry and Center for Nanoscience, Indian Institute of Technology Kanpur, Kanpur, 208016, UP, India.
| | - Sandeep Verma
- Department of Chemistry and Center for Nanoscience, Indian Institute of Technology Kanpur, Kanpur, 208016, UP, India.
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24
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Stangier M, Messinis AM, Oliveira JCA, Yu H, Ackermann L. Rhodaelectro-catalyzed access to chromones via formyl C-H activation towards peptide electro-labeling. Nat Commun 2021; 12:4736. [PMID: 34354056 PMCID: PMC8342597 DOI: 10.1038/s41467-021-25005-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 07/12/2021] [Indexed: 12/02/2022] Open
Abstract
Chromones represent a privileged scaffold in medicinal chemistry and are an omnipresent structural motif in natural products. Chemically encoded non-natural peptidomimetics feature improved stability towards enzymatic degradation, cell permeability and binding affinity, translating into a considerable impact on pharmaceutical industry. Herein, a strategy for the sustainable assembly of chromones via electro-formyl C–H activation is presented. The rational design of the rhodaelectro-catalysis is guided by detailed mechanistic insights and provides versatile access to tyrosine-based fluorogenic peptidomimetics. The chromone scaffold is present in drugs and bioactive natural products, but conventional approaches to access chromones require stoichiometric amounts of oxidants. Here, the authors report rhodaelectro-catalyzed assembly of chromones by electrochemical formyl C–H activations, providing the basis for late-stage peptide diversification.
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Affiliation(s)
- Maximilian Stangier
- Institute for Organic and Biomolecular Chemistry, Georg-August-Universität Göttingen, Göttingen, Germany
| | - Antonis M Messinis
- Institute for Organic and Biomolecular Chemistry, Georg-August-Universität Göttingen, Göttingen, Germany
| | - João C A Oliveira
- Institute for Organic and Biomolecular Chemistry, Georg-August-Universität Göttingen, Göttingen, Germany
| | - Hao Yu
- Institute for Organic and Biomolecular Chemistry, Georg-August-Universität Göttingen, Göttingen, Germany
| | - Lutz Ackermann
- Institute for Organic and Biomolecular Chemistry, Georg-August-Universität Göttingen, Göttingen, Germany.
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25
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Shahedi A, Bolorizadeh MA, Karimi-Maleh H. A europium (III) complex tested for deoxyribonucleic acid-binding, bovine serum albumin binding, and antibacterial activity. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116323] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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26
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Acharyya A, Zhang W, Gai F. Tryptophan as a Template for Development of Visible Fluorescent Amino Acids. J Phys Chem B 2021; 125:5458-5465. [PMID: 34029101 DOI: 10.1021/acs.jpcb.1c02321] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Most biological systems, at both molecular and cellular levels, are intrinsically complex, diverse, and nonfluorescent. Therefore, studying their structures, dynamics, and interactions via fluorescence-based methods requires incorporation of one or multiple external fluorophores that would not significantly affect any native property of the system in question. This requirement necessitates the development of a diverse set of fluorescence reporters that differ in chemical, physical, and photophysical properties. Herein, we offer our perspective on the need for, recent progress in, and future directions of developing tryptophan-based fluorescent amino acids.
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Affiliation(s)
- Arusha Acharyya
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Wenkai Zhang
- Department of Physics and Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing 100875, China
| | - Feng Gai
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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27
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Hernández D, Carro C, Boto A. "Doubly Customizable" Unit for the Generation of Structural Diversity: From Pure Enantiomeric Amines to Peptide Derivatives. J Org Chem 2021; 86:2796-2809. [PMID: 33433228 DOI: 10.1021/acs.joc.0c02751] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Readily available, low-cost 4R-hydroxy-l-proline (Hyp) is introduced as a "doubly customizable" unit for the generation of libraries of structurally diverse compounds. Hyp can be cleaved at two points, followed by the introduction of new functionalities. In the first cycle, the removal and replacement of the carboxylic group are carried out, followed (second cycle) by the scission of the 4,5-position and manipulation of the resulting chains. In this way, three new chains are generated and can be transformed independently to afford a diversity of products with tailored substituents, such as β-amino aldehydes, diamines, β-amino acid derivatives, including N-alkylated ones, or modified peptides. Many of these products are high-profit compounds but, in spite of their commercial value, are still scarce. Moreover, the process takes place with stereochemical control, and either pure R or S isomers can be obtained with small variations of the synthetic route.
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Affiliation(s)
- Dacil Hernández
- Instituto de Productos Naturales y Agrobiología del CSIC, Avda. Astrofísico Fco. Sánchez, 3, 38206 La Laguna, Tenerife, Spain
| | - Carmen Carro
- Instituto de Productos Naturales y Agrobiología del CSIC, Avda. Astrofísico Fco. Sánchez, 3, 38206 La Laguna, Tenerife, Spain.,BIOSIGMA, Antonio Domínguez Alfonso 16, 38003 Santa Cruz de Tenerife, Tenerife, Spain
| | - Alicia Boto
- Instituto de Productos Naturales y Agrobiología del CSIC, Avda. Astrofísico Fco. Sánchez, 3, 38206 La Laguna, Tenerife, Spain
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28
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29
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Gupta A, Garreffi BP, Guo M. Facile synthesis of a novel genetically encodable fluorescent α-amino acid emitting greenish blue light. Chem Commun (Camb) 2020; 56:12578-12581. [PMID: 32944728 PMCID: PMC7577945 DOI: 10.1039/d0cc03643a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We report the facile synthesis and characterization of a novel fluorescent α-amino acid 4-phenanthracen-9-yl-l-phenylalanine (Phen-AA) (5) that emits greenish blue light in the visible region. This genetically encodable l-α-amino acid has excellent photostability with a 75% quantum yield. It readily gets into human cells, being clearly imaged upon 405 nm laser excitation. The synthetic procedure is resistant to racemization and only involves three simple steps which use mild conditions and generate the Phen-AA in reasonably good yield. It may find broad applications in research, biotechnology, and the pharmaceutical industry.
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Affiliation(s)
- Aakash Gupta
- Department of Chemistry and Biochemistry, UMass Cranberry Health Research Center, University of Massachusetts Dartmouth, 285 Old Westport Road, North Dartmouth, MA 02747, USA.
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30
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Amino-Acid Derivatives of Pyranocoumarins. Chem Nat Compd 2020. [DOI: 10.1007/s10600-020-03163-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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31
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Shcherbakova EG, James TD, Anzenbacher P. High-throughput assay for determining enantiomeric excess of chiral diols, amino alcohols, and amines and for direct asymmetric reaction screening. Nat Protoc 2020; 15:2203-2229. [DOI: 10.1038/s41596-020-0329-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Accepted: 04/14/2020] [Indexed: 11/09/2022]
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32
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Fluorescent amino acids as versatile building blocks for chemical biology. Nat Rev Chem 2020; 4:275-290. [PMID: 37127957 DOI: 10.1038/s41570-020-0186-z] [Citation(s) in RCA: 91] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/14/2020] [Indexed: 12/13/2022]
Abstract
Fluorophores have transformed the way we study biological systems, enabling non-invasive studies in cells and intact organisms, which increase our understanding of complex processes at the molecular level. Fluorescent amino acids have become an essential chemical tool because they can be used to construct fluorescent macromolecules, such as peptides and proteins, without disrupting their native biomolecular properties. Fluorescent and fluorogenic amino acids with unique photophysical properties have been designed for tracking protein-protein interactions in situ or imaging nanoscopic events in real time with high spatial resolution. In this Review, we discuss advances in the design and synthesis of fluorescent amino acids and how they have contributed to the field of chemical biology in the past 10 years. Important areas of research that we review include novel methodologies to synthesize building blocks with tunable spectral properties, their integration into peptide and protein scaffolds using site-specific genetic encoding and bioorthogonal approaches, and their application to design novel artificial proteins, as well as to investigate biological processes in cells by means of optical imaging.
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33
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Wörner S, Rönicke F, Ulrich AS, Wagenknecht H. 4-Aminophthalimide Amino Acids as Small and Environment-Sensitive Fluorescent Probes for Transmembrane Peptides. Chembiochem 2020; 21:618-622. [PMID: 31432615 PMCID: PMC7079057 DOI: 10.1002/cbic.201900520] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Indexed: 12/15/2022]
Abstract
Fluorescence probing of transmembrane (TM) peptides is needed to complement state-of-the art methods-mainly oriented circular dichroism and solid-state NMR spectroscopy-and to allow imaging in living cells. Three new amino acids incorporating the solvatofluorescent 4-aminophthalimide in their side chains were synthesized in order to examine the local polarity in the α-helical TM fragment of the human epidermal growth factor receptor. It was possible to distinguish their locations, either in the hydrophobic core of the lipid bilayer or at the membrane surface, by fluorescence readout, including blue shift and increased quantum yield. An important feature is the small size of the 4-aminophthalimide chromophore. It makes one of the new amino acids approximately isosteric to tryptophan, typically used as a very small fluorescent amino acid in peptides and proteins. In contrast to the only weakly fluorescent indole system in tryptophan, the 4-aminophthalimide moiety produces a significantly more informative fluorescence readout and is selectively excited outside the biopolymer absorption range.
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Affiliation(s)
- Samantha Wörner
- Karlsruhe Institute of Technology (KIT)Institute of Organic ChemistryFritz-Haber-Weg 676131KarlsruheGermany
| | - Franziska Rönicke
- Karlsruhe Institute of Technology (KIT)Institute of Organic ChemistryFritz-Haber-Weg 676131KarlsruheGermany
| | - Anne S. Ulrich
- Karlsruhe Institute of Technology (KIT)IBG-2 and Institute of Organic ChemistryFritz-Haber-Weg 676131KarlsruheGermany
| | - Hans‐Achim Wagenknecht
- Karlsruhe Institute of Technology (KIT)Institute of Organic ChemistryFritz-Haber-Weg 676131KarlsruheGermany
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34
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Michel BY, Dziuba D, Benhida R, Demchenko AP, Burger A. Probing of Nucleic Acid Structures, Dynamics, and Interactions With Environment-Sensitive Fluorescent Labels. Front Chem 2020; 8:112. [PMID: 32181238 PMCID: PMC7059644 DOI: 10.3389/fchem.2020.00112] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Accepted: 02/06/2020] [Indexed: 12/13/2022] Open
Abstract
Fluorescence labeling and probing are fundamental techniques for nucleic acid analysis and quantification. However, new fluorescent probes and approaches are urgently needed in order to accurately determine structural and conformational dynamics of DNA and RNA at the level of single nucleobases/base pairs, and to probe the interactions between nucleic acids with proteins. This review describes the means by which to achieve these goals using nucleobase replacement or modification with advanced fluorescent dyes that respond by the changing of their fluorescence parameters to their local environment (altered polarity, hydration, flipping dynamics, and formation/breaking of hydrogen bonds).
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Affiliation(s)
- Benoît Y. Michel
- Université Côte d'Azur, CNRS, Institut de Chimie de Nice, UMR 7272 – Parc Valrose, Nice, France
| | - Dmytro Dziuba
- Université Côte d'Azur, CNRS, Institut de Chimie de Nice, UMR 7272 – Parc Valrose, Nice, France
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Faculté de Pharmacie, Université de Strasbourg, Illkirch, France
| | - Rachid Benhida
- Université Côte d'Azur, CNRS, Institut de Chimie de Nice, UMR 7272 – Parc Valrose, Nice, France
- Mohamed VI Polytechnic University, UM6P, Ben Guerir, Morocco
| | - Alexander P. Demchenko
- Laboratory of Nanobiotechnologies, Palladin Institute of Biochemistry, Kyiv, Ukraine
- Institute of Physical, Technical and Computer Science, Yuriy Fedkovych National University, Chernivtsi, Ukraine
| | - Alain Burger
- Université Côte d'Azur, CNRS, Institut de Chimie de Nice, UMR 7272 – Parc Valrose, Nice, France
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35
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Li PJ, Anwar MT, Fan CY, Juang DS, Lin HY, Chang TC, Kawade SK, Chen HJ, Chen YJ, Tan KT, Lin CC. Fluorescence "Turn-on" Lectin Sensors Fabricated by Ligand-Assisted Labeling Probes for Detecting Protein-Glycoprotein Interactions. Biomacromolecules 2020; 21:815-824. [PMID: 31891486 DOI: 10.1021/acs.biomac.9b01495] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Elucidation of protein-protein interactions (PPIs) is often very challenging and yields complex and unclear results. Lectin-glycoprotein interactions are especially difficult to study due to the noncovalent nature of the interactions and inherently low binding affinities of proteins to glycan ligands on glycoproteins. Here, we report a "ligand-directed labeling probe (LLP)"-based approach to fabricate protein probes for elucidating protein-glycoprotein interactions. LLP was designed with dual photoactivatable groups for the introduction of an alkyne handle proximal to the carbohydrate-binding pocket of lectins, Ricinus communis agglutinin 120 (RCA120) and recombinant human Siglec-2-Fc. In proof-of-principle studies, alkynylated lectins were conjugated with a photoreactive diazirine cross-linker and an environment-sensitive fluorophore, respectively, by the bioorthogonal click reaction. The modified RCA120 or Siglec-2-Fc was used for detecting the interaction with the target glycoprotein in the solution or endogenously expressed glycoproteins on live HeLa cells. We anticipate that the fabrication of these protein probes will accelerate the discovery of novel PPIs.
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Affiliation(s)
- Pei-Jhen Li
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan
| | - Mohammad Tarigue Anwar
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan
| | - Chen-Yo Fan
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan
| | - Duane S Juang
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan
| | - Hsin-Yi Lin
- Institute of Chemistry , Academia Sinica , Taipei 11529 , Taiwan
| | - Tsung-Che Chang
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan
| | - Sachin Kisan Kawade
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan
| | - Hsiang-Jung Chen
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan
| | - Yu-Ju Chen
- Institute of Chemistry , Academia Sinica , Taipei 11529 , Taiwan
| | - Kui-Thong Tan
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan
| | - Chun-Cheng Lin
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan.,Department of Medicinal and Applied Chemistry , Kaohsiung Medical University , Kaohsiung 80708 , Taiwan
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36
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Bell JD, Harkiss AH, Nobis D, Malcolm E, Knuhtsen A, Wellaway CR, Jamieson AG, Magennis SW, Sutherland A. Conformationally rigid pyrazoloquinazoline α-amino acids: one- and two-photon induced fluorescence. Chem Commun (Camb) 2020; 56:1887-1890. [DOI: 10.1039/c9cc09064a] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Conformationally rigid unnatural α-amino acids bearing a pyrazoloquinazoline ring system that are amenable to both one- and two-photon excitation have been developed as new fluorescent probes.
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Affiliation(s)
- Jonathan D. Bell
- WestCHEM
- School of Chemistry
- The Joseph Black Building
- University of Glasgow
- Glasgow
| | - Alexander H. Harkiss
- WestCHEM
- School of Chemistry
- The Joseph Black Building
- University of Glasgow
- Glasgow
| | - David Nobis
- WestCHEM
- School of Chemistry
- The Joseph Black Building
- University of Glasgow
- Glasgow
| | - Eilidh Malcolm
- WestCHEM
- School of Chemistry
- The Joseph Black Building
- University of Glasgow
- Glasgow
| | - Astrid Knuhtsen
- WestCHEM
- School of Chemistry
- The Joseph Black Building
- University of Glasgow
- Glasgow
| | | | - Andrew G. Jamieson
- WestCHEM
- School of Chemistry
- The Joseph Black Building
- University of Glasgow
- Glasgow
| | - Steven W. Magennis
- WestCHEM
- School of Chemistry
- The Joseph Black Building
- University of Glasgow
- Glasgow
| | - Andrew Sutherland
- WestCHEM
- School of Chemistry
- The Joseph Black Building
- University of Glasgow
- Glasgow
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37
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Yokoo H, Kagechika H, Ohsaki A, Hirano T. A Polarity‐Sensitive Fluorescent Amino Acid and its Incorporation into Peptides for the Ratiometric Detection of Biomolecular Interactions. Chempluschem 2019; 84:1716-1719. [DOI: 10.1002/cplu.201900489] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 10/04/2019] [Indexed: 12/27/2022]
Affiliation(s)
- Hidetomo Yokoo
- Institute of Biomaterials and BioengineeringTokyo Medical and Dental University (TMDU) 2-3-10 Kanda-Surugadai, Chiyoda-ku Tokyo 101-0062 Japan
| | - Hiroyuki Kagechika
- Institute of Biomaterials and BioengineeringTokyo Medical and Dental University (TMDU) 2-3-10 Kanda-Surugadai, Chiyoda-ku Tokyo 101-0062 Japan
| | - Ayumi Ohsaki
- College of Humanities and SciencesNihon University 3-25-40 Sakurajosui, Setagaya-ku Tokyo 156-8550 Japan
| | - Tomoya Hirano
- Osaka University of Pharmaceutical Sciences 4-20-1 Nasahara, Takatsuki Osaka 569-1094 Japan
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38
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Bell JD, Morgan TEF, Buijs N, Harkiss AH, Wellaway CR, Sutherland A. Synthesis and Photophysical Properties of Benzotriazole-Derived Unnatural α-Amino Acids. J Org Chem 2019; 84:10436-10448. [DOI: 10.1021/acs.joc.9b01685] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jonathan D. Bell
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Timaeus E. F. Morgan
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Ned Buijs
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Alexander H. Harkiss
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Christopher R. Wellaway
- Medicinal Chemistry, GlaxoSmithKline Medicines Research Centre, Gunnels Wood Road, Stevenage SG1 2NY, U.K
| | - Andrew Sutherland
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
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39
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40
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Arribat M, Rémond E, Richeter S, Gerbier P, Clément S, Cavelier F. Silole Amino Acids with Aggregation-Induced Emission Features Synthesized by Hydrosilylation. European J Org Chem 2019. [DOI: 10.1002/ejoc.201801869] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Mathieu Arribat
- Institut des Biomolécules Max Mousseron, IBMM, UMR 5247, CNRS; Université de Montpellier; ENSCM, Place Eugène Bataillon 34095 Montpellier cedex 5 France
| | - Emmanuelle Rémond
- Institut des Biomolécules Max Mousseron, IBMM, UMR 5247, CNRS; Université de Montpellier; ENSCM, Place Eugène Bataillon 34095 Montpellier cedex 5 France
| | - Sébastien Richeter
- Institut Charles Gerhardt Montpellier, ICGM, UMR 5253, CNRS; Université de Montpellier, ENSCM, Place Eugène Bataillon; 34095 Montpellier cedex 5 France
| | - Philippe Gerbier
- Institut Charles Gerhardt Montpellier, ICGM, UMR 5253, CNRS; Université de Montpellier, ENSCM, Place Eugène Bataillon; 34095 Montpellier cedex 5 France
| | - Sébastien Clément
- Institut Charles Gerhardt Montpellier, ICGM, UMR 5253, CNRS; Université de Montpellier, ENSCM, Place Eugène Bataillon; 34095 Montpellier cedex 5 France
| | - Florine Cavelier
- Institut des Biomolécules Max Mousseron, IBMM, UMR 5247, CNRS; Université de Montpellier; ENSCM, Place Eugène Bataillon 34095 Montpellier cedex 5 France
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41
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Harkiss AH, Bell JD, Knuhtsen A, Jamieson AG, Sutherland A. Synthesis and Fluorescent Properties of β-Pyridyl α-Amino Acids. J Org Chem 2019; 84:2879-2890. [DOI: 10.1021/acs.joc.9b00036] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Alexander H. Harkiss
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Jonathan D. Bell
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Astrid Knuhtsen
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Andrew G. Jamieson
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Andrew Sutherland
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
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42
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Design and structural characterisation of monomeric water-soluble α-helix and β-hairpin peptides: State-of-the-art. Arch Biochem Biophys 2019; 661:149-167. [DOI: 10.1016/j.abb.2018.11.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 11/06/2018] [Accepted: 11/14/2018] [Indexed: 02/06/2023]
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43
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Kinsinger T, Kazmaier U. Mono-selective β-C–H arylation of N-methylated amino acids and peptides promoted by the 2-(methylthio)aniline directing group. Org Biomol Chem 2019; 17:5595-5600. [DOI: 10.1039/c9ob00966c] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
2-(Methylthio)aniline (MTA) directed C(sp3)–H functionalisations are efficient and straightforward protocols for the selective β-modification of N-methylated amino acids.
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Affiliation(s)
- Thorsten Kinsinger
- Institute of Organic Chemistry
- Saarland University
- 66041 Saarbrücken
- Germany
| | - Uli Kazmaier
- Institute of Organic Chemistry
- Saarland University
- 66041 Saarbrücken
- Germany
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44
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Kucherak OA, Shvadchak VV, Kyriukha YA, Yushchenko DA. Synthesis of a Fluorescent Probe for Sensing Multiple Protein States. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800524] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Oleksandr A. Kucherak
- Laboratory of Chemical Biology; Institute of Organic Chemistry and Biochemistry; Academy of Sciences of the Czech Republic; Flemingovo nam. 2 16610 Prague 6 Czech Republic
| | - Volodymyr V. Shvadchak
- Laboratory of Chemical Biology; Institute of Organic Chemistry and Biochemistry; Academy of Sciences of the Czech Republic; Flemingovo nam. 2 16610 Prague 6 Czech Republic
| | - Yevhenii A. Kyriukha
- Laboratory of Chemical Biology; Institute of Organic Chemistry and Biochemistry; Academy of Sciences of the Czech Republic; Flemingovo nam. 2 16610 Prague 6 Czech Republic
| | - Dmytro A. Yushchenko
- Laboratory of Chemical Biology; Institute of Organic Chemistry and Biochemistry; Academy of Sciences of the Czech Republic; Flemingovo nam. 2 16610 Prague 6 Czech Republic
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45
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Hewitt SH, Butler SJ. Application of lanthanide luminescence in probing enzyme activity. Chem Commun (Camb) 2018; 54:6635-6647. [PMID: 29790500 DOI: 10.1039/c8cc02824a] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Enzymes play critical roles in the regulation of cellular function and are implicated in numerous disease conditions. Reliable and practicable assays are required to study enzyme activity, to facilitate the discovery of inhibitors and activators of enzymes related to disease. In recent years, a variety of enzyme assays have been devised that utilise luminescent lanthanide(iii) complexes, taking advantage of their high detection sensitivities, long luminescence lifetimes, and line-like emission spectra that permit ratiometric and time-resolved analyses. In this Feature article, we focus on recent progress in the development of enzyme activity assays based on lanthanide(iii) luminescence, covering a variety of strategies including Ln(iii)-labelled antibodies and proteins, Ln(iii) ion encapsulation within defined peptide sequences, reactivity-based Ln(iii) probes, and discrete Ln(iii) complexes. Emerging approaches for monitoring enzyme activity are discussed, including the use of anion responsive lanthanide(iii) complexes, capable of molecular recognition and luminescence signalling of polyphosphate anions.
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Affiliation(s)
- Sarah H Hewitt
- Department of Chemistry, Loughborough University, Epinal Way, Loughborough, LE11 3TU, UK.
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46
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Navo CD, Asín A, Gómez-Orte E, Gutiérrez-Jiménez MI, Compañón I, Ezcurra B, Avenoza A, Busto JH, Corzana F, Zurbano MM, Jiménez-Osés G, Cabello J, Peregrina JM. Cell-Penetrating Peptides Containing Fluorescent d
-Cysteines. Chemistry 2018; 24:7991-8000. [DOI: 10.1002/chem.201800603] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Indexed: 01/20/2023]
Affiliation(s)
- Claudio D. Navo
- Dpto. de Química, Centro de Investigación en Síntesis Química; Universidad de La Rioja; C/ Madre de Dios, 53 26006 Logroño La Rioja Spain
| | - Alicia Asín
- Dpto. de Química, Centro de Investigación en Síntesis Química; Universidad de La Rioja; C/ Madre de Dios, 53 26006 Logroño La Rioja Spain
| | - Eva Gómez-Orte
- Center for Biomedical Research of La Rioja (CIBIR); C/ Piqueras, 98 26006 Logroño La Rioja Spain
| | - Marta I. Gutiérrez-Jiménez
- Dpto. de Química, Centro de Investigación en Síntesis Química; Universidad de La Rioja; C/ Madre de Dios, 53 26006 Logroño La Rioja Spain
| | - Ismael Compañón
- Dpto. de Química, Centro de Investigación en Síntesis Química; Universidad de La Rioja; C/ Madre de Dios, 53 26006 Logroño La Rioja Spain
| | - Begoña Ezcurra
- Center for Biomedical Research of La Rioja (CIBIR); C/ Piqueras, 98 26006 Logroño La Rioja Spain
| | - Alberto Avenoza
- Dpto. de Química, Centro de Investigación en Síntesis Química; Universidad de La Rioja; C/ Madre de Dios, 53 26006 Logroño La Rioja Spain
| | - Jesús H. Busto
- Dpto. de Química, Centro de Investigación en Síntesis Química; Universidad de La Rioja; C/ Madre de Dios, 53 26006 Logroño La Rioja Spain
| | - Francisco Corzana
- Dpto. de Química, Centro de Investigación en Síntesis Química; Universidad de La Rioja; C/ Madre de Dios, 53 26006 Logroño La Rioja Spain
| | - María M. Zurbano
- Dpto. de Química, Centro de Investigación en Síntesis Química; Universidad de La Rioja; C/ Madre de Dios, 53 26006 Logroño La Rioja Spain
| | - Gonzalo Jiménez-Osés
- Dpto. de Química, Centro de Investigación en Síntesis Química; Universidad de La Rioja; C/ Madre de Dios, 53 26006 Logroño La Rioja Spain
| | - Juan Cabello
- Center for Biomedical Research of La Rioja (CIBIR); C/ Piqueras, 98 26006 Logroño La Rioja Spain
| | - Jesús M. Peregrina
- Dpto. de Química, Centro de Investigación en Síntesis Química; Universidad de La Rioja; C/ Madre de Dios, 53 26006 Logroño La Rioja Spain
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47
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Shukla L, Moodie LWK, Kindahl T, Hedberg C. Synthesis and Spectroscopic Properties of Fluorinated Coumarin Lysine Derivatives. J Org Chem 2018; 83:4792-4799. [DOI: 10.1021/acs.joc.7b03214] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Lakshmi Shukla
- Umeå University, Department of Chemistry, 90187 Umeå, Sweden
| | | | - Tomas Kindahl
- Umeå University, Department of Chemistry, 90187 Umeå, Sweden
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48
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Battista E, Scognamiglio PL, Di Luise N, Raucci U, Donati G, Rega N, Netti PA, Causa F. Turn-on fluorescence detection of protein by molecularly imprinted hydrogels based on supramolecular assembly of peptide multi-functional blocks. J Mater Chem B 2018; 6:1207-1215. [PMID: 32254181 DOI: 10.1039/c7tb03107f] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Synthetic receptors for biomacromolecules lack the supramolecular self-assembly behavior typical of biological systems. Here we propose a new method for the preparation of protein imprinted polymers based on the specific interaction of a peptide multi-functional block with a protein target. This peptide block contains a protein-binding peptide domain, a polymerizable moiety at the C-terminus and an environment-sensitive fluorescent molecule at the N-terminus. The method relies on a preliminary step consisting of peptide/protein supramolecular assembly, followed by copolymerization with the most common acrylate monomers (acrylamide, acrylic acid and bis-acrylamide) to produce a protein imprinted hydrogel polymer. Such a peptide block can function as an active assistant recognition element to improve affinity, and guarantees its effective polymerization at the protein/cavity interface, allowing for proper placement of a dye. As a proof of concept, we chose Bovine Serum Albumin (BSA) as the protein target and built the peptide block around a BSA binding dodecapeptide, with an allyl group as the polymerizable moiety and a dansyl molecule as the responsive dye. Compared to conventional approaches these hydrogels showed higher affinity (more than 45%) and imprinted sensitivity (about twenty fold) to the target, with a great BSA selectivity with respect to ovalbumin (α = 1.25) and lysozyme (α = 6.02). Upon protein binding, computational and experimental observations showed a blue shift of the emission peak (down to 440 nm) and an increase of fluorescence emission (twofold) and average lifetime (Δτ = 4.3 ns). Such an approach generates recognition cavities with controlled chemical information and represents an a priori method for self-responsive materials. Provided a specific peptide and minimal optimization conditions are used, such a method could be easily implemented for any protein target.
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Affiliation(s)
- Edmondo Battista
- Interdisciplinary Research Centre on Biomaterials (CRIB) Università degli studi di Napoli "Federico II", Piazzale Tecchio 80, 80125, Napoli, Italy.
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49
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Yokoo H, Ohsaki A, Kagechika H, Hirano T. Unique Properties of 1,5-Naphthyridin-2(1H
)-one Derivatives as Environment-Polarity-Sensitive Fluorescent Dyes. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701609] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Hidetomo Yokoo
- Institute of Biomaterials and Bioengineering; Tokyo Medical and Dental University (TMDU); 2-3-10 Kanda-Surugadai 101-0062 Chiyoda-ku, Tokyo Japan
| | - Ayumi Ohsaki
- College of Humanities and Sciences; Nihon University; 3-25-40 Sakurajosui 156-8550 Setagaya-ku, Tokyo Japan
| | - Hiroyuki Kagechika
- Institute of Biomaterials and Bioengineering; Tokyo Medical and Dental University (TMDU); 2-3-10 Kanda-Surugadai 101-0062 Chiyoda-ku, Tokyo Japan
| | - Tomoya Hirano
- Institute of Biomaterials and Bioengineering; Tokyo Medical and Dental University (TMDU); 2-3-10 Kanda-Surugadai 101-0062 Chiyoda-ku, Tokyo Japan
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50
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Arribat M, Rémond E, Clément S, Lee AVD, Cavelier F. Phospholyl(borane) Amino Acids and Peptides: Stereoselective Synthesis and Fluorescent Properties with Large Stokes Shift. J Am Chem Soc 2018; 140:1028-1034. [DOI: 10.1021/jacs.7b10954] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Mathieu Arribat
- Institut des Biomolécules Max Mousseron, IBMM, UMR 5247, CNRS, Université de Montpellier, ENSCM, Place Eugène Bataillon, 34095 Montpellier cedex 5, France
| | - Emmanuelle Rémond
- Institut des Biomolécules Max Mousseron, IBMM, UMR 5247, CNRS, Université de Montpellier, ENSCM, Place Eugène Bataillon, 34095 Montpellier cedex 5, France
| | - Sébastien Clément
- Institut Charles Gerhardt Montpellier, ICGM, UMR 5253, CNRS, Université de Montpellier, ENSCM, Place Eugène Bataillon, 34095 Montpellier cedex 5, France
| | - Arie Van Der Lee
- Institut Européen des Membranes, IEM, UMR 5635, CNRS, Université de Montpellier, ENSCM, Place Eugène Bataillon, 34095 Montpellier cedex 5, France
| | - Florine Cavelier
- Institut des Biomolécules Max Mousseron, IBMM, UMR 5247, CNRS, Université de Montpellier, ENSCM, Place Eugène Bataillon, 34095 Montpellier cedex 5, France
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