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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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Ning B, Cao JW, Zhou XT, Qin H, Li LX, Kan CY. Synthesis and characterization of a novel, reactive, yellow fluorescent organosilicon dye and its polysiloxanes. JOURNAL OF CHEMICAL RESEARCH 2019. [DOI: 10.1177/1747519819872098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A novel, reactive, yellow fluorescent organosilicon dye, N-propyl-(diethoxy)methyl-silane-4-dimethylamino-naphthalimide, is designed and synthesized and is used to fabricate a covalently yellow fluorescent silicone oil by polycondensation of hydroxy-terminated polydimethylsiloxane. The chemical structure and optical properties of the N-propyl-(diethoxy)methyl-silane-4-dimethylamino-naphthalimide and covalently yellow fluorescent silicone oil are characterized by 1H nuclear magnetic resonance, 13C nuclear magnetic resonance, mass spectrometry, Fourier transform infrared, UV–Vis, and fluorescence spectra. The results indicate that the fluorescence quantum yields of N-propyl-(diethoxy)methyl-silane-4-dimethylamino-naphthalimide and covalently yellow fluorescent silicone oil are 2.61% and 3.5%, respectively. The λmax values of their dichloromethane solutions are 416 nm, and their λex and λem are 430 and 509 nm, respectively. Furthermore, covalently yellow fluorescent silicone rubbers are prepared using tetraethoxysilane as a cross-linker, and some of their properties are investigated. Thermogravimetric analysis and dynamic mechanical analysis show that heat resistance and tan δ of the covalently yellow fluorescent silicone rubber are improved in comparison with silicone rubbers without N-propyl-(diethoxy)methyl-silane-4-dimethylamino-naphthalimide moieties. Solvent extraction experiments indicate that the solvent resistance of the covalently yellow fluorescent silicone rubber is much better than that of noncovalently yellow fluorescent silicone rubber.
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Affiliation(s)
- Bo Ning
- Department of Chemical Engineering and Key Laboratory of Advanced Materials of Ministry of Education, Tsinghua University, Beijing, People’s Republic of China
| | - Jun-Wen Cao
- Department of Chemical Engineering and Key Laboratory of Advanced Materials of Ministry of Education, Tsinghua University, Beijing, People’s Republic of China
| | - Xiao-Teng Zhou
- Department of Chemical Engineering and Key Laboratory of Advanced Materials of Ministry of Education, Tsinghua University, Beijing, People’s Republic of China
| | - He Qin
- Department of Chemical Engineering and Key Laboratory of Advanced Materials of Ministry of Education, Tsinghua University, Beijing, People’s Republic of China
| | - Ling-Xiao Li
- Department of Chemical Engineering and Key Laboratory of Advanced Materials of Ministry of Education, Tsinghua University, Beijing, People’s Republic of China
| | - Cheng-You Kan
- Department of Chemical Engineering and Key Laboratory of Advanced Materials of Ministry of Education, Tsinghua University, Beijing, People’s Republic of China
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Honcharenko D, Juneja A, Roshan F, Maity J, Galán-Acosta L, Biverstål H, Hjorth E, Johansson J, Fisahn A, Nilsson L, Strömberg R. Amyloid-β Peptide Targeting Peptidomimetics for Prevention of Neurotoxicity. ACS Chem Neurosci 2019; 10:1462-1477. [PMID: 30673220 DOI: 10.1021/acschemneuro.8b00485] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
A new generation of ligands designed to interact with the α-helix/β-strand discordant region of the amyloid-β peptide (Aβ) and to counteract its oligomerization is presented. These ligands are designed to interact with and stabilize the Aβ central helix (residues 13-26) in an α-helical conformation with increased interaction by combining properties of several first-generation ligands. The new peptide-like ligands aim at extended hydrophobic and polar contacts across the central part of the Aβ, that is, "clamping" the target. Molecular dynamics (MD) simulations of the stability of the Aβ central helix in the presence of a set of second-generation ligands were performed and revealed further stabilization of the Aβ α-helical conformation, with larger number of polar and nonpolar contacts between ligand and Aβ, compared to first-generation ligands. The synthesis of selected novel Aβ-targeting ligands was performed in solution via an active ester coupling approach or on solid-phase using an Fmoc chemistry protocol. This included incorporation of aliphatic hydrocarbon moieties, a branched triamino acid with an aliphatic hydrocarbon tail, and an amino acid with a 4'- N, N-dimethylamino-1,8-naphthalimido group in the side chain. The ability of the ligands to reduce Aβ1-42 neurotoxicity was evaluated by gamma oscillation experiments in hippocampal slice preparations. The "clamping" second-generation ligands were found to be effective antineurotoxicity agents and strongly prevented the degradation of gamma oscillations by physiological concentration of monomeric Aβ1-42 at a stoichiometric ratio.
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Affiliation(s)
- Dmytro Honcharenko
- Department of Biosciences and Nutrition, Karolinska Institutet, 14183 Huddinge, Sweden
| | - Alok Juneja
- Department of Biosciences and Nutrition, Karolinska Institutet, 14183 Huddinge, Sweden
| | - Firoz Roshan
- Neuronal Oscillations Laboratory, Neurogeriatrics Division, Center for Alzheimer Research, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, 17164 Solna, Sweden
| | - Jyotirmoy Maity
- Department of Biosciences and Nutrition, Karolinska Institutet, 14183 Huddinge, Sweden
| | - Lorena Galán-Acosta
- Division for Neurogeriatrics, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, 14183 Stockholm, Sweden
| | - Henrik Biverstål
- Division for Neurogeriatrics, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, 14183 Stockholm, Sweden
- Department of Physical Organic Chemistry, Latvian Institute of Organic Synthesis, Riga LV-1006, Latvia
| | - Erik Hjorth
- Division for Neurogeriatrics, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, 14183 Stockholm, Sweden
| | - Jan Johansson
- Division for Neurogeriatrics, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, 14183 Stockholm, Sweden
| | - André Fisahn
- Neuronal Oscillations Laboratory, Neurogeriatrics Division, Center for Alzheimer Research, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, 17164 Solna, Sweden
| | - Lennart Nilsson
- Department of Biosciences and Nutrition, Karolinska Institutet, 14183 Huddinge, Sweden
| | - Roger Strömberg
- Department of Biosciences and Nutrition, Karolinska Institutet, 14183 Huddinge, Sweden
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4
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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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The Suzuki–Miyaura Cross-Coupling as a Versatile Tool for Peptide Diversification and Cyclization. Catalysts 2017. [DOI: 10.3390/catal7030074] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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6
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Qiao JX, Fraunhoffer KJ, Hsiao Y, Li YX, Wang C, Wang TC, Poss MA. Synthesis of Fmoc-Protected Arylphenylalanines (Bip Derivatives) via Nonaqueous Suzuki-Miyaura Cross-Coupling Reactions. J Org Chem 2016; 81:9499-9506. [DOI: 10.1021/acs.joc.6b01965] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Jennifer X. Qiao
- Discovery Chemistry, ‡Chemical and Synthetic
Development,
and §Pharmaceutical Candidate
Optimization, Research and Development, Bristol-Myers Squibb Company, P.O. Box
4000, Princeton, New Jersey 08543-4000, United States
| | - Kenneth J. Fraunhoffer
- Discovery Chemistry, ‡Chemical and Synthetic
Development,
and §Pharmaceutical Candidate
Optimization, Research and Development, Bristol-Myers Squibb Company, P.O. Box
4000, Princeton, New Jersey 08543-4000, United States
| | - Yi Hsiao
- Discovery Chemistry, ‡Chemical and Synthetic
Development,
and §Pharmaceutical Candidate
Optimization, Research and Development, Bristol-Myers Squibb Company, P.O. Box
4000, Princeton, New Jersey 08543-4000, United States
| | - Yi-Xin Li
- Discovery Chemistry, ‡Chemical and Synthetic
Development,
and §Pharmaceutical Candidate
Optimization, Research and Development, Bristol-Myers Squibb Company, P.O. Box
4000, Princeton, New Jersey 08543-4000, United States
| | - Chunlei Wang
- Discovery Chemistry, ‡Chemical and Synthetic
Development,
and §Pharmaceutical Candidate
Optimization, Research and Development, Bristol-Myers Squibb Company, P.O. Box
4000, Princeton, New Jersey 08543-4000, United States
| | - Tammy C. Wang
- Discovery Chemistry, ‡Chemical and Synthetic
Development,
and §Pharmaceutical Candidate
Optimization, Research and Development, Bristol-Myers Squibb Company, P.O. Box
4000, Princeton, New Jersey 08543-4000, United States
| | - Michael A. Poss
- Discovery Chemistry, ‡Chemical and Synthetic
Development,
and §Pharmaceutical Candidate
Optimization, Research and Development, Bristol-Myers Squibb Company, P.O. Box
4000, Princeton, New Jersey 08543-4000, United States
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7
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Harkiss AH, Sutherland A. Recent advances in the synthesis and application of fluorescent α-amino acids. Org Biomol Chem 2016; 14:8911-8921. [DOI: 10.1039/c6ob01715k] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The design and synthesis of new fluorescent α-amino acids as well as their application in imaging of biological systems has been reviewed.
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Affiliation(s)
- Alexander H. Harkiss
- WestCHEM
- School of Chemistry
- The Joseph Black Building
- University of Glasgow
- Glasgow G12 8QQ
| | - Andrew Sutherland
- WestCHEM
- School of Chemistry
- The Joseph Black Building
- University of Glasgow
- Glasgow G12 8QQ
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