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Csomos A, Madarász M, Turczel G, Cseri L, Bodor A, Matuscsák A, Katona G, Kovács E, Rózsa B, Mucsi Z. A GFP Inspired 8-Methoxyquinoline-Derived Fluorescent Molecular Sensor for the Detection of Zn 2+ by Two-Photon Microscopy. Chemistry 2024; 30:e202400009. [PMID: 38446718 DOI: 10.1002/chem.202400009] [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: 01/02/2024] [Revised: 03/02/2024] [Accepted: 03/06/2024] [Indexed: 03/08/2024]
Abstract
An effective, GFP-inspired fluorescent Zn2+ sensor is developed for two-photon microscopy and related biological application that features an 8-methoxyquinoline moiety. Excellent photophysical characteristics including a 37-fold fluorescence enhancement with excitation and emission maxima at 440 nm and 505 nm, respectively, as well as a high two-photon cross-section of 73 GM at 880 nm are reported. Based on the experimental data, the relationship between the structure and properties was elucidated and explained backed up by DFT calculations, particularly the observed PeT phenomenon for the turn-on process. Biological validation and detailed experimental and theoretical characterization of the free and the zinc-bound compounds are presented.
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Affiliation(s)
- Attila Csomos
- Femtonics Ltd., Tűzoltó utca 59, H-1094, Budapest, Hungary
- Hevesy György PhD School of Chemistry, Eötvös Loránd University, Pázmány Péter sétány 1/A, H-1117, Budapest, Hungary
| | - Miklós Madarász
- BrainVisionCenter, Liliom utca 43-45, H-1094, Budapest, Hungary
| | - Gábor Turczel
- NMR Research Laboratory, HUN-REN Research Centre for Natural Sciences, Magyar tudósok körútja 2, H-1117, Budapest, Hungary
| | - Levente Cseri
- BrainVisionCenter, Liliom utca 43-45, H-1094, Budapest, Hungary
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Műegyetem rakpart 3, H-1111, Budapest, Hungary
| | - Andrea Bodor
- Analytical and BioNMR Laboratory, Institute of Chemistry, Eötvös Loránd University, Pázmány Péter sétány 1/A, H-1117, Budapest, Hungary
| | - Anett Matuscsák
- Laboratory of 3D functional network and dendritic imaging, HUN-REN Institute of Experimental Medicine, Szigony utca 43, H-1083, Budapest, Hungary
| | - Gergely Katona
- Two-Photon Measurement Technology Research Group, Pázmány Péter Catholic University Práter, utca 50/a, H-1083, Budapest, Hungary
| | - Ervin Kovács
- Two-Photon Measurement Technology Research Group, Pázmány Péter Catholic University Práter, utca 50/a, H-1083, Budapest, Hungary
- Polymer Chemistry and Physics Research Group, HUN-REN Research Centre for Natural Sciences, Magyar tudósok körútja 2, H-1117, Budapest, Hungary
| | - Balázs Rózsa
- BrainVisionCenter, Liliom utca 43-45, H-1094, Budapest, Hungary
- Laboratory of 3D functional network and dendritic imaging, HUN-REN Institute of Experimental Medicine, Szigony utca 43, H-1083, Budapest, Hungary
- Two-Photon Measurement Technology Research Group, Pázmány Péter Catholic University Práter, utca 50/a, H-1083, Budapest, Hungary
| | - Zoltán Mucsi
- Femtonics Ltd., Tűzoltó utca 59, H-1094, Budapest, Hungary
- BrainVisionCenter, Liliom utca 43-45, H-1094, Budapest, Hungary
- Faculty of Materials and Chemical Sciences, University of Miskolc, H-3515, Miskolc, Hungary
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Szepesi Kovács D, Kontra B, Chiovini B, Müller D, Tóth EZ, Ábrányi-Balogh P, Wittner L, Várady G, Turczel G, Farkas Ö, Owen MC, Katona G, Győrffy B, Keserű GM, Mucsi Z, Rózsa BJ, Kovács E. Effective synthesis, development and application of a highly fluorescent cyanine dye for antibody conjugation and microscopy imaging. Org Biomol Chem 2023; 21:8829-8836. [PMID: 37917021 DOI: 10.1039/d3ob01471a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
An asymmetric cyanine-type fluorescent dye was designed and synthesized via a versatile, multi-step process, aiming to conjugate with an Her2+ receptor specific antibody by an azide-alkyne click reaction. The aromaticity and the excitation and relaxation energetics of the fluorophore were characterized by computational methods. The synthesized dye exhibited excellent fluorescence properties for confocal microscopy, offering efficient applicability in in vitro imaging due to its merits such as a high molar absorption coefficient (36 816 M-1 cm-1), excellent brightness, optimal wavelength (627 nm), larger Stokes shift (26 nm) and appropriate photostability compared to cyanines. The conjugated cyanine-trastuzumab was constructed via an effective, metal-free, strain-promoted azide-alkyne click reaction leading to a regulated number of dyes being conjugated. This novel cyanine-labelled antibody was successfully applied for in vitro confocal imaging and flow cytometry of Her2+ tumor cells.
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Affiliation(s)
- Dénes Szepesi Kovács
- Medicinal Chemistry Research Group, HUN-REN Research Centre for Natural Sciences, H-1117 Budapest, Hungary
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, H-1111 Budapest, Hungary
- National Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
| | - Bence Kontra
- Brain Vision Center, H-1094 Budapest, Hungary
- Femtonics Ltd., H-1094 Budapest, Hungary
- Semmelweis University Doctoral School, H-1085 Budapest, Hungary
| | - Balázs Chiovini
- Faculty of Information Technology and Bionics, Pázmány Péter Catholic University, H-1444 Budapest, Hungary
| | - Dalma Müller
- Semmelweis University Doctoral School, H-1085 Budapest, Hungary
- Oncology Biomarker Research Group, HUN-REN Research Centre for Natural Sciences, H-1117 Budapest, Hungary
- Department of Bioinformatics, Semmelweis University, H-1094, Budapest, Hungary
| | - Estilla Zsófia Tóth
- National Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
- Semmelweis University Doctoral School, H-1085 Budapest, Hungary
- Integrative Neuroscience Research Group, HUN-REN Research Centre for Natural Sciences, H-1117 Budapest, Hungary
| | - Péter Ábrányi-Balogh
- Medicinal Chemistry Research Group, HUN-REN Research Centre for Natural Sciences, H-1117 Budapest, Hungary
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, H-1111 Budapest, Hungary
- National Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
| | - Lucia Wittner
- National Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
- Integrative Neuroscience Research Group, HUN-REN Research Centre for Natural Sciences, H-1117 Budapest, Hungary
| | - György Várady
- Molecular Cell Biology Research Group, HUN-REN Research Centre for Natural Sciences, H-1117 Budapest, Hungary
| | - Gábor Turczel
- NMR Research Laboratory, HUN-REN Research Centre for Natural Sciences, H-1117 Budapest, Hungary
| | - Ödön Farkas
- Department of Organic Chemistry, Eötvös Loránd University, H-1117 Budapest, Hungary
| | - Michael C Owen
- Institute of Chemistry, University of Miskolc, Miskolc H-3515, Hungary
- Higher Education and Industrial Cooperation Centre, University of Miskolc, Miskolc H-3515, Hungary
| | - Gergely Katona
- Faculty of Information Technology and Bionics, Pázmány Péter Catholic University, H-1444 Budapest, Hungary
| | - Balázs Győrffy
- National Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
- Oncology Biomarker Research Group, HUN-REN Research Centre for Natural Sciences, H-1117 Budapest, Hungary
- Department of Bioinformatics, Semmelweis University, H-1094, Budapest, Hungary
| | - György Miklós Keserű
- Medicinal Chemistry Research Group, HUN-REN Research Centre for Natural Sciences, H-1117 Budapest, Hungary
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, H-1111 Budapest, Hungary
- National Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
| | - Zoltán Mucsi
- Brain Vision Center, H-1094 Budapest, Hungary
- Femtonics Ltd., H-1094 Budapest, Hungary
- Institute of Chemistry, University of Miskolc, Miskolc H-3515, Hungary
| | - Balázs J Rózsa
- Brain Vision Center, H-1094 Budapest, Hungary
- Faculty of Information Technology and Bionics, Pázmány Péter Catholic University, H-1444 Budapest, Hungary
- Laboratory of 3D Functional Network and Dendritic Imaging, HUN-REN Institute of Experimental Medicine, H-1083 Budapest, Hungary
| | - Ervin Kovács
- Femtonics Ltd., H-1094 Budapest, Hungary
- Polymer Chemistry and Physics Research Group, HUN-REN Research Centre for Natural Sciences, H-1117 Budapest, Hungary.
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Szepesi Kovács D, Chiovini B, Müller D, Tóth EZ, Fülöp A, Ábrányi-Balogh P, Wittner L, Várady G, Farkas Ö, Turczel G, Katona G, Győrffy B, Keserű GM, Mucsi Z, Rózsa BJ, Kovács E. Synthesis and Application of Two-Photon Active Fluorescent Rhodol Dyes for Antibody Conjugation and In Vitro Cell Imaging. ACS OMEGA 2023; 8:22836-22843. [PMID: 37396252 PMCID: PMC10308389 DOI: 10.1021/acsomega.3c01796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 06/01/2023] [Indexed: 07/04/2023]
Abstract
A novel family of julolidine-containing fluorescent rhodols equipped with a wide variety of substituents was synthesized in a versatile two-step process. The prepared compounds were fully characterized and exhibited excellent fluorescence properties for microscopy imaging. The best candidate was conjugated to the therapeutic antibody trastuzumab through a copper-free strain-promoted azide-alkyne click reaction. The rhodol-labeled antibody was successfully applied for in vitro confocal and two-photon microscopy imaging of Her2+ cells.
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Affiliation(s)
- Dénes Szepesi Kovács
- Medicinal
Chemistry Research Group, Research Centre
for Natural Sciences, H-1117 Budapest, Hungary
- Department
of Organic Chemistry and Technology, Budapest
University of Technology and Economics, H-1111 Budapest, Hungary
- National
Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
| | - Balázs Chiovini
- Faculty
of Information Technology and Bionics, Pázmány
Péter Catholic University, H-1444 Budapest, Hungary
| | - Dalma Müller
- Oncology
Biomarker Research Group, Research Centre
for Natural Sciences, H-1117 Budapest, Hungary
- Department
of Bioinformatics, Semmelweis University, H-1094 Budapest, Hungary
- Semmelweis
University Doctoral School, H-1085 Budapest Hungary
| | - Estilla Zsófia Tóth
- National
Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
- Semmelweis
University Doctoral School, H-1085 Budapest Hungary
- Integrative
Neuroscience Research Group, Research Centre
for Natural Sciences, H-1117 Budapest, Hungary
| | - Anna Fülöp
- Femtonics
Ltd., H-1094 Budapest, Hungary
| | - Péter Ábrányi-Balogh
- Medicinal
Chemistry Research Group, Research Centre
for Natural Sciences, H-1117 Budapest, Hungary
- Department
of Organic Chemistry and Technology, Budapest
University of Technology and Economics, H-1111 Budapest, Hungary
- National
Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
| | - Lucia Wittner
- National
Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
- Integrative
Neuroscience Research Group, Research Centre
for Natural Sciences, H-1117 Budapest, Hungary
| | - György Várady
- Molecular
Cell Biology Research Group, Research Centre
for Natural Sciences, H-1117 Budapest, Hungary
| | - Ödön Farkas
- Department
of Organic Chemistry, Eötvös
Loránd University, H-1117 Budapest, Hungary
| | - Gábor Turczel
- NMR
Research Laboratory, Research Centre for
Natural Sciences, H-1117 Budapest, Hungary
| | - Gergely Katona
- Faculty
of Information Technology and Bionics, Pázmány
Péter Catholic University, H-1444 Budapest, Hungary
| | - Balázs Győrffy
- National
Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
- Oncology
Biomarker Research Group, Research Centre
for Natural Sciences, H-1117 Budapest, Hungary
- Department
of Bioinformatics, Semmelweis University, H-1094 Budapest, Hungary
- Department
of Pediatrics, Semmelweis University, H-1094 Budapest, Hungary
| | - György Miklós Keserű
- Medicinal
Chemistry Research Group, Research Centre
for Natural Sciences, H-1117 Budapest, Hungary
- Department
of Organic Chemistry and Technology, Budapest
University of Technology and Economics, H-1111 Budapest, Hungary
- National
Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
| | - Zoltán Mucsi
- Brain Vision Center, H-1094 Budapest, Hungary
- Faculty
of Materials and Chemical Sciences, University
of Miskolc, Miskolc H-3515, Hungary
| | - Balázs J. Rózsa
- Faculty
of Information Technology and Bionics, Pázmány
Péter Catholic University, H-1444 Budapest, Hungary
- Brain Vision Center, H-1094 Budapest, Hungary
- Laboratory of 3D Functional Network and Dendritic Imaging, Institute of Experimental Medicine, H-1083 Budapest, Hungary
| | - Ervin Kovács
- Femtonics
Ltd., H-1094 Budapest, Hungary
- Polymer
Chemistry and Physics Research Group, Research
Centre for Natural Sciences, H-1117 Budapest, Hungary
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Kopcsik E, Mucsi Z, Kontra B, Vanyorek L, Váradi C, Viskolcz B, Nagy M. Preparation and Optical Study of 1-Formamido-5-Isocyanonaphthalene, the Hydrolysis Product of the Potent Antifungal 1,5-Diisocyanonaphthalene. Int J Mol Sci 2023; 24:ijms24097780. [PMID: 37175485 PMCID: PMC10177923 DOI: 10.3390/ijms24097780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/18/2023] [Accepted: 04/22/2023] [Indexed: 05/15/2023] Open
Abstract
Aromatic isocyanides have gained a lot of attention lately as promising antifungal and anticancer drugs, as well as high-performance fluorescent analytical probes for the detection of toxic metals, such as mercury, even in vivo. Since this topic is relatively new and aromatic isocyanides possess unique photophysical properties, the understanding of structure-behavior relationships and the preparation of novel potentially biologically active derivatives are of paramount importance. Here, we report the photophysical characterization of 1,5-diisocyanonaphthalene (DIN) backed by quantum chemical calculations. It was discovered that DIN undergoes hydrolysis in certain solvents in the presence of oxonium ions. By the careful control of the reaction conditions for the first time, the nonsymmetric product 1-formamido-5-isocyanonaphthalene (ICNF) could be prepared. Contrary to expectations, the monoformamido derivative showed a significant solvatochromic behavior with a ~50 nm range from hexane to water. This behavior was explained by the enhanced H-bond-forming ability of the formamide group. The significance of the hydrolysis reaction is that the isocyano group is converted to formamide in living organisms. Therefore, ICNF could be a potential drug (for example, antifungal) and the reaction can be used as a model for the preparation of other nonsymmetric formamido-isocyanoarenes. In contrast to its relative 1-amino-5-iscyanonaphthalene (ICAN), ICNF is highly fluorescent in water, enabling the development of a fluorescent turnoff probe.
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Affiliation(s)
- Erika Kopcsik
- Institute of Chemistry, University of Miskolc, Miskolc-Egyetemváros, 3515 Miskolc, Hungary
| | - Zoltán Mucsi
- Advanced Materials and Intelligent Technologies Higher Education and Industrial Cooperation Centre, University of Miskolc, Miskolc-Egyetemváros, 3515 Miskolc, Hungary
- Department of Chemistry, Brain Vision Center, Liliom utca 43-45, 1094 Budapest, Hungary
| | - Bence Kontra
- Department of Chemistry, Brain Vision Center, Liliom utca 43-45, 1094 Budapest, Hungary
- Department of Organic Chemistry, Semmelweis University, Hőgyes Endre utca 7, 1092 Budapest, Hungary
| | - László Vanyorek
- Institute of Chemistry, University of Miskolc, Miskolc-Egyetemváros, 3515 Miskolc, Hungary
| | - Csaba Váradi
- Advanced Materials and Intelligent Technologies Higher Education and Industrial Cooperation Centre, University of Miskolc, Miskolc-Egyetemváros, 3515 Miskolc, Hungary
| | - Béla Viskolcz
- Institute of Chemistry, University of Miskolc, Miskolc-Egyetemváros, 3515 Miskolc, Hungary
- Advanced Materials and Intelligent Technologies Higher Education and Industrial Cooperation Centre, University of Miskolc, Miskolc-Egyetemváros, 3515 Miskolc, Hungary
| | - Miklós Nagy
- Institute of Chemistry, University of Miskolc, Miskolc-Egyetemváros, 3515 Miskolc, Hungary
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Kovács E, Cseri L, Jancsó A, Terényi F, Fülöp A, Rózsa B, Galbács G, Mucsi Z. Synthesis and Fluorescence Mechanism of the Aminoimidazolone Analogues of the Green Fluorescent Protein: Towards Advanced Dyes with Enhanced Stokes Shift, Quantum Yield and Two‐Photon Absorption. European J Org Chem 2021. [DOI: 10.1002/ejoc.202101173] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Ervin Kovács
- Department of Chemistry Femtonics Inc. Tűzoltó u. 58 1094 Budapest Hungary
- Institute of Materials and Environmental Chemistry Research Centre for Natural Sciences Magyar tudósok körútja 2 1117 Budapest Hungary
| | - Levente Cseri
- Department of Chemistry Femtonics Inc. Tűzoltó u. 58 1094 Budapest Hungary
- Department of Chemical Engineering & Analytical Science The University of Manchester The Mill, Sackville Street Manchester M1 3BB United Kingdom
| | - Attila Jancsó
- Department of Inorganic and Analytical Chemistry University of Szeged Dóm tér 8 Szeged 6720 Hungary
| | - Ferenc Terényi
- Department of Inorganic and Analytical Chemistry University of Szeged Dóm tér 8 Szeged 6720 Hungary
| | - Anna Fülöp
- Department of Chemistry Femtonics Inc. Tűzoltó u. 58 1094 Budapest Hungary
| | - Balázs Rózsa
- Two-Photon Measurement Technology Research Group The Faculty of Information Technology Pázmány Péter Catholic University Práter u. 50/A Budapest 1083 Hungary
- Laboratory of 3D Functional Imaging of Neuronal Networks and Dendritic Integration Institute of Experimental Medicine Szigony utca 43 Budapest 1083 Hungary
| | - Gábor Galbács
- Department of Inorganic and Analytical Chemistry University of Szeged Dóm tér 8 Szeged 6720 Hungary
| | - Zoltán Mucsi
- Department of Chemistry Femtonics Inc. Tűzoltó u. 58 1094 Budapest Hungary
- Institute of Chemistry Faculty of Materials Science and Engineering University of Miskolc Egyetem út 1 Miskolc 3515 Hungary
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Zhi X, Qian Y. A novel red-emission phenothiazine fluorescent protein chromophore based on oxygen‒chlorine bond (O–Cl) formation for real-time detection of hypochlorous acid in cells. Talanta 2021; 222:121503. [DOI: 10.1016/j.talanta.2020.121503] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 07/28/2020] [Accepted: 08/01/2020] [Indexed: 01/30/2023]
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