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Bade A, Yadav P, Zhang L, Naidu Bypaneni R, Xu M, Glass TE. Imaging Neurotransmitters with Small-Molecule Fluorescent Probes. Angew Chem Int Ed Engl 2024; 63:e202406401. [PMID: 38831475 DOI: 10.1002/anie.202406401] [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: 04/03/2024] [Revised: 05/28/2024] [Accepted: 05/29/2024] [Indexed: 06/05/2024]
Abstract
Neurotransmitters play a crucial role in regulating communication between neurons within the brain and central nervous system. Thus, imaging neurotransmitters has become a high priority in neuroscience. This minireview focuses on recent advancements in the development of fluorescent small-molecule fluorescent probes for neurotransmitter imaging and applications of these probes in neuroscience. Innovative approaches for probe design are highlighted as well as attributes which are necessary for practical utility, with a view to inspiring new probe development capable of visualizing neurotransmitters.
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Affiliation(s)
- Anusha Bade
- Department of Chemistry, University of Missouri, Columbia, MO 65211, USA
| | - Peeyush Yadav
- Department of Chemistry, University of Missouri, Columbia, MO 65211, USA
| | - Le Zhang
- Laboratory of Chemical Immunology and Proteomics, The Rockefeller University, New York NY, 10065, USA
| | | | - Ming Xu
- Department of Chemistry, University of Missouri, Columbia, MO 65211, USA
| | - Timothy E Glass
- Department of Chemistry, University of Missouri, Columbia, MO 65211, USA
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2
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Yan J, Zhang FL, Jin KQ, Li JX, Wang LJ, Fan WT, Huang WH, Liu YL. Mechanical Strain Induces and Increases Vesicular Release Monitored by Microfabricated Stretchable Electrodes. Angew Chem Int Ed Engl 2024; 63:e202403241. [PMID: 38710651 DOI: 10.1002/anie.202403241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 04/12/2024] [Accepted: 05/06/2024] [Indexed: 05/08/2024]
Abstract
Exocytosis involving the fusion of intracellular vesicles with cell membrane, is thought to be modulated by the mechanical cues in the microenvironment. Single-cell electrochemistry can offer unique information about the quantification and kinetics of exocytotic events; however, the effects of mechanical force on vesicular release have been poorly explored. Herein, we developed a stretchable microelectrode with excellent electrochemical stability under mechanical deformation by microfabrication of functionalized poly(3,4-ethylenedioxythiophene) conductive ink, which achieved real-time quantitation of strain-induced vesicular exocytosis from a single cell for the first time. We found that mechanical strain could cause calcium influx via the activation of Piezo1 channels in chromaffin cell, initiating the vesicular exocytosis process. Interestingly, mechanical strain increases the amount of catecholamines released by accelerating the opening and prolonging the closing of fusion pore during exocytosis. This work is expected to provide revealing insights into the regulatory effects of mechanical stimuli on vesicular exocytosis.
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Affiliation(s)
- Jing Yan
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Fu-Li Zhang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Kai-Qi Jin
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Jia-Xin Li
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Li-Jun Wang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Wen-Ting Fan
- Core Facility of Wuhan University, Wuhan University, Wuhan, 430072, China
| | - Wei-Hua Huang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Yan-Ling Liu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
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3
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Fradgley JD, Starck M, Lamarque L, Parker D. Comparative Analysis of a Series of pH‐Responsive Sulphonated Europium Complexes for Bioassays Monitoring Acidification. Eur J Inorg Chem 2022. [DOI: 10.1002/ejic.202200426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jack D. Fradgley
- Department of Chemistry Durham University South Road Durham DH1 3LE UK E-mail: j.d
| | - Matthieu Starck
- Department of Chemistry Durham University South Road Durham DH1 3LE UK E-mail: j.d
| | | | - David Parker
- Department of Chemistry Durham University South Road Durham DH1 3LE UK E-mail: j.d
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Assies L, Mercier V, López‐Andarias J, Roux A, Sakai N, Matile S. The Dynamic Range of Acidity: Tracking Rules for the Unidirectional Penetration of Cellular Compartments. Chembiochem 2022; 23:e202200192. [PMID: 35535626 PMCID: PMC9400975 DOI: 10.1002/cbic.202200192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 05/09/2022] [Indexed: 12/03/2022]
Abstract
Labeled ammonium cations with pKa ∼7.4 accumulate in acidic organelles because they can be neutralized transiently to cross the membrane at cytosolic pH 7.2 but not at their internal pH<5.5. Retention in early endosomes with less acidic internal pH was achieved recently using weaker acids of up to pKa 9.8. We report here that primary ammonium cations with higher pKa 10.6, label early endosomes more efficiently. This maximized early endosome tracking coincides with increasing labeling of Golgi networks with similarly weak internal acidity. Guanidinium cations with pKa 13.5 cannot cross the plasma membrane in monomeric form and label the plasma membrane with selectivity for vesicles embarking into endocytosis. Self-assembled into micelles, guanidinium cations enter cells like arginine-rich cell-penetrating peptides and, driven by their membrane potential, penetrate mitochondria unidirectionally despite their high inner pH. The resulting tracking rules with an approximated dynamic range of pKa change ∼3.5 are expected to be generally valid, thus enabling the design of chemistry tools for biology research in the broadest sense. From a practical point of view, most relevant are two complementary fluorescent flipper probes that can be used to image the mechanics at the very beginning of endocytosis.
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Affiliation(s)
- Lea Assies
- School of Chemistry and BiochemistryNCCR Chemical BiologyUniversity of Geneva1211GenevaSwitzerland
| | - Vincent Mercier
- School of Chemistry and BiochemistryNCCR Chemical BiologyUniversity of Geneva1211GenevaSwitzerland
| | - Javier López‐Andarias
- School of Chemistry and BiochemistryNCCR Chemical BiologyUniversity of Geneva1211GenevaSwitzerland
| | - Aurelien Roux
- School of Chemistry and BiochemistryNCCR Chemical BiologyUniversity of Geneva1211GenevaSwitzerland
| | - Naomi Sakai
- School of Chemistry and BiochemistryNCCR Chemical BiologyUniversity of Geneva1211GenevaSwitzerland
| | - Stefan Matile
- School of Chemistry and BiochemistryNCCR Chemical BiologyUniversity of Geneva1211GenevaSwitzerland
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Koga N, Tanioka M, Kamino S, Sawada D. Morpholine-Substituted Rhodamine Analogue with Multi-Configurational Switches for Optical Sensing of pH Gradient under Extreme Acidic Environments. Chemistry 2021; 27:3761-3765. [PMID: 33205525 DOI: 10.1002/chem.202004254] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 11/10/2020] [Indexed: 12/19/2022]
Abstract
Superior pH-responsive molecules are required for the development of functional materials applicable to advanced molecular technologies. Despite having been widely developed, many rhodamine-based pH-responsive molecules exhibit a single configurational switch for "turn-on". Herein, we report a new type of rhodamine-based pH-responsive molecule with multi-configurational switches displaying stable two-step structural and color conversion in response to pH. This rhodamine analogue could be successfully applied to optical sensing of pH gradient under extreme acidic environments both in solution and on hydrogel through high-contrast color change. We demonstrated that this multi-responsive character enabled optical memory of different pH information.
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Affiliation(s)
- Natsumi Koga
- Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 1-1-1 Tsushimanaka, Kita-ku, Okayama-shi, Okayama, 700-8530, Japan
| | - Masaru Tanioka
- School of Pharmaceutical Sciences, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya, 464-8650, Japan
| | - Shinichiro Kamino
- Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 1-1-1 Tsushimanaka, Kita-ku, Okayama-shi, Okayama, 700-8530, Japan.,School of Pharmaceutical Sciences, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya, 464-8650, Japan
| | - Daisuke Sawada
- Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 1-1-1 Tsushimanaka, Kita-ku, Okayama-shi, Okayama, 700-8530, Japan
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Starck M, Fradgley JD, Pal R, Zwier JM, Lamarque L, Parker D. Synthesis and Evaluation of Europium Complexes that Switch on Luminescence in Lysosomes of Living Cells. Chemistry 2021; 27:766-777. [PMID: 33197072 PMCID: PMC7839496 DOI: 10.1002/chem.202003992] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 10/14/2020] [Indexed: 12/14/2022]
Abstract
A set of four luminescent EuIII complexes bearing an extended aryl-alkynylpyridine chromophore has been studied, showing very different pH-dependent behaviour in their absorption and emission spectral response. For two complexes with pKa values of 6.45 and 6.20 in protein-containing solution, the emission lifetime increases very significantly following protonation. By varying the gate time during signal acquisition, the 'switch-on' intensity ratio could be optimised, and enhancement factors of between 250 to 1330 were measured between pH 8 and 4. The best-behaved probe showed no significant emission dependence on the concentration of endogenous cations, reductants, and serum albumin. It was examined in live-cell imaging studies to monitor time-dependent lysosomal acidification, for which the increase in observed image brightness due to acidification was a factor of 50 in NIH-3T3 cells.
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Affiliation(s)
- Matthieu Starck
- Department of ChemistryDurham UniversitySouth RoadDurhamDH1 3LEUK
| | - Jack D. Fradgley
- Department of ChemistryDurham UniversitySouth RoadDurhamDH1 3LEUK
| | - Robert Pal
- Department of ChemistryDurham UniversitySouth RoadDurhamDH1 3LEUK
| | | | - Laurent Lamarque
- Research and Development Cisbio BioassaysBP 8417530200CodoletFrance
| | - David Parker
- Department of ChemistryDurham UniversitySouth RoadDurhamDH1 3LEUK
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Méndez‐Ardoy A, Reina JJ, Montenegro J. Synthesis and Supramolecular Functional Assemblies of Ratiometric pH Probes. Chemistry 2020; 26:7516-7536. [DOI: 10.1002/chem.201904834] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 12/20/2019] [Indexed: 01/28/2023]
Affiliation(s)
- Alejandro Méndez‐Ardoy
- Centro Singular de Investigación en Química Biolóxica e, Materiais Moleculares (CIQUS)Departamento de Química OrgánicaUniversidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Jose J. Reina
- Centro Singular de Investigación en Química Biolóxica e, Materiais Moleculares (CIQUS)Departamento de Química OrgánicaUniversidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Javier Montenegro
- Centro Singular de Investigación en Química Biolóxica e, Materiais Moleculares (CIQUS)Departamento de Química OrgánicaUniversidade de Santiago de Compostela 15782 Santiago de Compostela Spain
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Bioorthogonal Conjugation Directed by a Sugar-Sorting Pathway for Continual Tracking of Stressed Organelles. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201802972] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Xue Z, Zhang E, Liu J, Han J, Han S. Bioorthogonal Conjugation Directed by a Sugar-Sorting Pathway for Continual Tracking of Stressed Organelles. Angew Chem Int Ed Engl 2018; 57:10096-10101. [DOI: 10.1002/anie.201802972] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2018] [Indexed: 01/13/2023]
Affiliation(s)
- Zhongwei Xue
- State Key Laboratory for Physical Chemistry of Solid Surfaces; Department of Chemical Biology; College of Chemistry and Chemical Engineering; Key Laboratory for Chemical Biology of Fujian Province; MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, and Innovation Center for Cell Signaling Network; Xiamen University; Xiamen 361005 China
| | - Enkang Zhang
- State Key Laboratory for Physical Chemistry of Solid Surfaces; Department of Chemical Biology; College of Chemistry and Chemical Engineering; Key Laboratory for Chemical Biology of Fujian Province; MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, and Innovation Center for Cell Signaling Network; Xiamen University; Xiamen 361005 China
| | - Jian Liu
- State Key Laboratory for Physical Chemistry of Solid Surfaces; Department of Chemical Biology; College of Chemistry and Chemical Engineering; Key Laboratory for Chemical Biology of Fujian Province; MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, and Innovation Center for Cell Signaling Network; Xiamen University; Xiamen 361005 China
| | - Jiahuai Han
- State Key Laboratory of Cellular Stress Biology; Innovation Center for Cell Signaling Network; School of Life Sciences; Xiamen University; Xiamen 361005 China
| | - Shoufa Han
- State Key Laboratory for Physical Chemistry of Solid Surfaces; Department of Chemical Biology; College of Chemistry and Chemical Engineering; Key Laboratory for Chemical Biology of Fujian Province; MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, and Innovation Center for Cell Signaling Network; Xiamen University; Xiamen 361005 China
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10
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Sutter A, Elhabiri M, Ulrich G. Fluorescent pH-Responsive Probes Based on Water-Soluble Boron-Dipyrromethene (BODIPY) Derivatives, Featuring Long-Wavelength Emission. Chemistry 2018; 24:11119-11130. [DOI: 10.1002/chem.201801540] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Indexed: 12/29/2022]
Affiliation(s)
- Alexandra Sutter
- COMBO, ICPEES-UMR 7515; CNRS-Université de Strasbourg; 25 rue Becquerel 67087 Strasbourg Cedex 02 France
| | - Mourad Elhabiri
- Laboratoire de Chimie Bioorganique et Médicinale, LIMA, UMR 7042; CNRS-Université de Strasbourg; 25 rue Becquerel 67087 Strasbourg Cedex 02 France
| | - Gilles Ulrich
- COMBO, ICPEES-UMR 7515; CNRS-Université de Strasbourg; 25 rue Becquerel 67087 Strasbourg Cedex 02 France
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Watanabe K, Ohshima T. Bioconjugation with Thiols by Benzylic Substitution. Chemistry 2018; 24:3959-3964. [PMID: 29457301 DOI: 10.1002/chem.201706149] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Indexed: 12/11/2022]
Abstract
A benzylic substitution of 3-indolyl(hydroxyl)acetate derivatives with thiols proceeded specifically in the presence of amino, carboxy, and phosphate groups in weakly acidic aqueous solutions under nearly physiological condition, while no reaction occurred at pH over 7. Kinetic studies revealed that the reaction followed second-order kinetics (first-order in the reactant and first-order in thiol) in contrast with the SN 1 mechanism of common benzylic substitution of alcohols. The utility of the present method for functionalization of biomacromolecules was demonstrated using several model proteins, such as lysozyme, insulin, trypsin, and serum albumin. The catalytic bioactivity of lysozyme in lysis of Micrococcus lysodeikticus cells was completely retained after the modification.
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Affiliation(s)
- Kenji Watanabe
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Takashi Ohshima
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
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12
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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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14
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Wan Q, Chen S, Shi W, Li L, Ma H. Lysosomal pH Rise during Heat Shock Monitored by a Lysosome-Targeting Near-Infrared Ratiometric Fluorescent Probe. Angew Chem Int Ed Engl 2014; 53:10916-20. [DOI: 10.1002/anie.201405742] [Citation(s) in RCA: 334] [Impact Index Per Article: 33.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2014] [Revised: 07/29/2014] [Indexed: 12/12/2022]
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15
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Wan Q, Chen S, Shi W, Li L, Ma H. Lysosomal pH Rise during Heat Shock Monitored by a Lysosome-Targeting Near-Infrared Ratiometric Fluorescent Probe. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201405742] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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