1
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Koh DS, Stratiievska A, Jana S, Otto SC, Swanson TM, Nhim A, Carlson S, Raza M, Naves LA, Senning EN, Mehl RA, Gordon SE. Genetic code expansion, click chemistry, and light-activated PI3K reveal details of membrane protein trafficking downstream of receptor tyrosine kinases. eLife 2024; 12:RP91012. [PMID: 39162616 PMCID: PMC11335347 DOI: 10.7554/elife.91012] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/21/2024] Open
Abstract
Ligands such as insulin, epidermal growth factor, platelet-derived growth factor, and nerve growth factor (NGF) initiate signals at the cell membrane by binding to receptor tyrosine kinases (RTKs). Along with G-protein-coupled receptors, RTKs are the main platforms for transducing extracellular signals into intracellular signals. Studying RTK signaling has been a challenge, however, due to the multiple signaling pathways to which RTKs typically are coupled, including MAP/ERK, PLCγ, and Class 1A phosphoinositide 3-kinases (PI3K). The multi-pronged RTK signaling has been a barrier to isolating the effects of any one downstream pathway. Here, we used optogenetic activation of PI3K to decouple its activation from other RTK signaling pathways. In this context, we used genetic code expansion to introduce a click chemistry noncanonical amino acid into the extracellular side of membrane proteins. Applying a cell-impermeant click chemistry fluorophore allowed us to visualize delivery of membrane proteins to the plasma membrane in real time. Using these approaches, we demonstrate that activation of PI3K, without activating other pathways downstream of RTK signaling, is sufficient to traffic the TRPV1 ion channels and insulin receptors to the plasma membrane.
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Affiliation(s)
- Duk-Su Koh
- University of Washington, Department of Physiology & BiophysicsSeattleUnited States
| | | | - Subhashis Jana
- Department of Biochemistry and Biophysics, Oregon State UniversityCorvallisUnited States
| | - Shauna C Otto
- University of Washington, Department of Physiology & BiophysicsSeattleUnited States
| | - Teresa M Swanson
- University of Washington, Department of Physiology & BiophysicsSeattleUnited States
| | - Anthony Nhim
- University of Washington, Department of Physiology & BiophysicsSeattleUnited States
| | - Sara Carlson
- University of Washington, Department of Physiology & BiophysicsSeattleUnited States
| | - Marium Raza
- University of Washington, Department of Physiology & BiophysicsSeattleUnited States
| | - Ligia Araujo Naves
- University of Washington, Department of Physiology & BiophysicsSeattleUnited States
| | - Eric N Senning
- Department of Neuroscience, University of Texas at AustinAustinUnited States
| | - Ryan A Mehl
- Department of Biochemistry and Biophysics, Oregon State UniversityCorvallisUnited States
| | - Sharona E Gordon
- University of Washington, Department of Physiology & BiophysicsSeattleUnited States
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2
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Drakopoulos A, Koszegi Z, Seier K, Hübner H, Maurel D, Sounier R, Granier S, Gmeiner P, Calebiro D, Decker M. Design, Synthesis, and Characterization of New δ Opioid Receptor-Selective Fluorescent Probes and Applications in Single-Molecule Microscopy of Wild-Type Receptors. J Med Chem 2024. [PMID: 39044606 DOI: 10.1021/acs.jmedchem.4c00627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2024]
Abstract
The delta opioid receptor (δOR or DOR) is a G protein-coupled receptor (GPCR) showing a promising profile as a drug target for nociception and analgesia. Herein, we design and synthesize new fluorescent antagonist probes with high δOR selectivity that are ideally suited for single-molecule microscopy (SMM) applications in unmodified, untagged receptors. Using our new probes, we investigated wild-type δOR localization and mobility at low physiological receptor densities for the first time. Furthermore, we investigate the potential formation of δOR homodimers, as such a receptor organization might exhibit distinct pharmacological activity, potentially paving the way for innovative pharmacological therapies. Our findings indicate that the majority of δORs labeled with these probes exist as freely diffusing monomers on the cell surface in a simple cell model. This discovery advances our understanding of OR behavior and offers potential implications for future therapeutic research.
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Affiliation(s)
- Antonios Drakopoulos
- Pharmazeutische und Medizinische Chemie, Institut für Pharmazie und Lebensmittelchemie, Julius-Maximilians-Universität (JMU) Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Zsombor Koszegi
- Institute of Metabolism and Systems Research, University of Birmingham, B15 2TT Birmingham, U.K
- Centre of Membrane Proteins and Receptors, Universities of Birmingham and Nottingham, B15 2TT Birmingham, U.K
| | - Kerstin Seier
- Institute of Pharmacology and Toxicology, Julius-Maximilians University of Würzburg, Versbacher Strasse 9, 97078 Würzburg, Germany
| | - Harald Hübner
- Chair of Pharmaceutical Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander University of Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Damien Maurel
- Institut de Génomique Fonctionnelle, CNRS, INSERM, Université de Montpellier, 34094 Cedex 5 Montpellier, France
| | - Rémy Sounier
- Institut de Génomique Fonctionnelle, CNRS, INSERM, Université de Montpellier, 34094 Cedex 5 Montpellier, France
| | - Sébastien Granier
- Institut de Génomique Fonctionnelle, CNRS, INSERM, Université de Montpellier, 34094 Cedex 5 Montpellier, France
| | - Peter Gmeiner
- Chair of Pharmaceutical Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander University of Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Davide Calebiro
- Institute of Metabolism and Systems Research, University of Birmingham, B15 2TT Birmingham, U.K
- Centre of Membrane Proteins and Receptors, Universities of Birmingham and Nottingham, B15 2TT Birmingham, U.K
| | - Michael Decker
- Pharmazeutische und Medizinische Chemie, Institut für Pharmazie und Lebensmittelchemie, Julius-Maximilians-Universität (JMU) Würzburg, Am Hubland, 97074 Würzburg, Germany
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3
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Duque MAL, Vallavoju N, Zhang T, Yvon R, Pan YX, Woo CM. Photo-affinity and Metabolic Labeling Probes Based on the Opioid Alkaloids. Chembiochem 2024; 25:e202300841. [PMID: 38289703 PMCID: PMC11298156 DOI: 10.1002/cbic.202300841] [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: 12/13/2023] [Revised: 01/24/2024] [Accepted: 01/29/2024] [Indexed: 02/01/2024]
Abstract
The opioids are powerful analgesics yet possess contingencies that can lead to opioid-use disorder. Chemical probes derived from the opioid alkaloids can provide deeper insight into the molecular interactions in a cellular context. Here, we designed and developed photo-click morphine (PCM-2) as a photo-affinity probe based on morphine and dialkynyl-acetyl morphine (DAAM) as a metabolic acetate reporter based on heroin. Application of these probes to SH-SY5Y, HEK293T, and U2OS cells revealed that PCM-2 and DAAM primarily localize to the lysosome amongst other locations inside the cell by confocal microscopy and chemical proteomics. Interaction site identification by mass spectrometry revealed the mitochondrial phosphate carrier protein, solute carrier family 25 member 3, SLC25A3, and histone H2B as acylation targets of DAAM. These data illustrate the utility of chemical probes to measure localization and protein interactions in a cellular context and will inform the design of probes based on the opioids in the future.
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Affiliation(s)
| | | | - Tiffany Zhang
- Department of Neurology, Memorial Sloan-Kettering Cancer Center
| | - Robert Yvon
- Department of Chemistry of Chemical Biology, Harvard University
| | - Ying-Xian Pan
- Department of Neurology, Memorial Sloan-Kettering Cancer Center
- Department of Anesthesiology, Rutgers New Jersey Medical School
| | - Christina M Woo
- Department of Chemistry of Chemical Biology, Harvard University
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4
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Leon Duque MA, Vallavoju N, Woo CM. Chemical tools for the opioids. Mol Cell Neurosci 2023; 125:103845. [PMID: 36948231 PMCID: PMC10247539 DOI: 10.1016/j.mcn.2023.103845] [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: 01/13/2023] [Revised: 03/09/2023] [Accepted: 03/15/2023] [Indexed: 03/24/2023] Open
Abstract
The opioids are potent and widely used pain management medicines despite also possessing severe liabilities that have fueled the opioid crisis. The pharmacological properties of the opioids primarily derive from agonism or antagonism of the opioid receptors, but additional effects may arise from specific compounds, opioid receptors, or independent targets. The study of the opioids, their receptors, and the development of remediation strategies has benefitted from derivatization of the opioids as chemical tools. While these studies have primarily focused on the opioids in the context of the opioid receptors, these chemical tools may also play a role in delineating mechanisms that are independent of the opioid receptors. In this review, we describe recent advances in the development and applications of opioid derivatives as chemical tools and highlight opportunities for the future.
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Affiliation(s)
- Mark Anthony Leon Duque
- Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford St, Cambridge, MA 02138, United States of America
| | - Nandini Vallavoju
- Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford St, Cambridge, MA 02138, United States of America
| | - Christina M Woo
- Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford St, Cambridge, MA 02138, United States of America.
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5
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The chronological evolution of fluorescent GPCR probes for bioimaging. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2023.215040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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6
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Franco AR, Artusa V, Peri F. Use of Fluorescent Chemical Probes in the Study of Toll-like Receptors (TLRs) Trafficking. Methods Mol Biol 2023; 2700:57-74. [PMID: 37603174 DOI: 10.1007/978-1-0716-3366-3_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
Fluorescent chemical probes are used nowadays as a chemical resource to study the physiology and pharmacology of several important endogenous receptors. Different fluorescent groups have been coupled with known ligands of these receptors, allowing the visualization of their localization and trafficking. One of the most important molecular players of innate immunity and inflammation are the Toll-Like Receptors (TLRs). These Pattern-Recognition Receptors (PRR) have as natural ligands microbial-derived pathogen-associated molecular patterns (PAMPs) and also endogenous molecules called danger-associated molecular patterns (DAMPs). These ligands activate TLRs to start a response that will determine the host's protection and overall cell survival but can also lead to chronic inflammation and autoimmune syndromes. TLRs action is tightly related to their subcellular localization and trafficking. Understanding this trafficking phenomenon can enlighten critical molecular pathways that might allow to decipher the causes of different diseases. In this chapter, the study of function, localization and trafficking of TLRs through the use of chemical probes will be discussed. Furthermore, an example protocol of the use of fluorescent chemical probes to study TLR4 trafficking using high-content analysis will be described.
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Affiliation(s)
- Ana Rita Franco
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy
| | - Valentina Artusa
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy
| | - Francesco Peri
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy.
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7
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Zhang X, Wang J, Liang J, Liu Z, Shen X, Liu Y, Li X, Xu Z, Lei Y, Lei H. A novel self-aggregated gold nanoparticles based on sensitive immunochromatographic assays for highly detection of opium poppy in herbal teas. Food Chem 2022; 390:133188. [PMID: 35567969 DOI: 10.1016/j.foodchem.2022.133188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 05/02/2022] [Accepted: 05/06/2022] [Indexed: 11/17/2022]
Abstract
Opium poppy abused in food has aroused public concerns due to its serious side effects. Effective monitoring is essential to fight the abuse crisis. Herein, we synthesized an easily prepared, affordable, accessible highly aggregated gold nanoparticles (AGNPs) performing in lateral flow immunoassay (LFIA) for detection opium poppy in herbal teas. Simultaneously, a LFIA based ontime-resolved fluorescent microspheres (TRFMs) was developed as contrastive method. In this study, morphine (MOR), codeine (COD) and thebaine (THE) were as the specific recognition markers of opium poppy. Results demonstrated the quantitative limits of detection were 0.0049/0.0053/0.084, 0.034/0.037/0.37 ng mL-1 for AGNPs/TRFMs-LFIA, respectively. The recoveries were 95%-107.5%/91%-106.7% with coefficient of variation was 1.6%-6.6%/1.8%-7.2%, indicating excellent accuracy and precision. Parallel experiments among AGNPs/TRFMs-LFIA and LC-MS/MS analysis showed good correlation. Overall, AGNPs-LFIA executed quantitative analysis within 15 min on the basis of simple treatment while providing a rapid and sensitive analysis strategy for illegal drugs abused.
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Affiliation(s)
- Xuan Zhang
- Guangdong Provincial Key Laboratory of Food Quality and Safety / National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China
| | - Jin Wang
- Guangdong Provincial Key Laboratory of Food Quality and Safety / National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China
| | - Jianhao Liang
- Guangdong Provincial Key Laboratory of Food Quality and Safety / National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China
| | - Zhiwei Liu
- Guangdong Provincial Key Laboratory of Food Quality and Safety / National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China
| | - Xing Shen
- Guangdong Provincial Key Laboratory of Food Quality and Safety / National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China
| | - Yingju Liu
- Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
| | - Xiangmei Li
- Guangdong Provincial Key Laboratory of Food Quality and Safety / National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China
| | - Zhenlin Xu
- Guangdong Provincial Key Laboratory of Food Quality and Safety / National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China
| | - Yi Lei
- Guangdong Institute of Food Inspection, Guangzhou 510435, China
| | - Hongtao Lei
- Guangdong Provincial Key Laboratory of Food Quality and Safety / National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China.
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8
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Jullié D, Valbret Z, Stoeber M. Optical tools to study the subcellular organization of GPCR neuromodulation. J Neurosci Methods 2021; 366:109408. [PMID: 34763022 DOI: 10.1016/j.jneumeth.2021.109408] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 10/11/2021] [Accepted: 11/03/2021] [Indexed: 12/29/2022]
Abstract
Modulation of neuronal circuit activity is key to information processing in the brain. G protein-coupled receptors (GPCRs), the targets of most neuromodulatory ligands, show extremely diverse expression patterns in neurons and receptors can be localized in various sub-neuronal membrane compartments. Upon activation, GPCRs promote signaling cascades that alter the level of second messengers, drive phosphorylation changes, modulate ion channel function, and influence gene expression, all of which critically impact neuron physiology. Because of its high degree of complexity, this form of interneuronal communication has remained challenging to integrate into our conceptual understanding of brain function. Recent technological advances in fluorescence microscopy and the development of optical biosensors now allow investigating neuromodulation with unprecedented resolution on the level of individual cells. In this review, we will highlight recent imaging techniques that enable determining the precise localization of GPCRs in neurons, with specific focus on the subcellular and nanoscale level. Downstream of receptors, we describe novel conformation-specific biosensors that allow for real-time monitoring of GPCR activation and of distinct signal transduction events in neurons. Applying these new tools has the potential to provide critical insights into the function and organization of GPCRs in neuronal cells and may help decipher the molecular and cellular mechanisms that underlie neuromodulation.
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Affiliation(s)
- Damien Jullié
- Department of Psychiatry, University of California San Francisco, San Francisco, USA.
| | - Zoé Valbret
- Department of Cell Physiology and Metabolism, University of Geneva, Geneva, Switzerland
| | - Miriam Stoeber
- Department of Cell Physiology and Metabolism, University of Geneva, Geneva, Switzerland.
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9
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Borgarelli C, Klingl YE, Escamilla-Ayala A, Munck S, Van Den Bosch L, De Borggraeve WM, Ismalaj E. Lighting Up the Plasma Membrane: Development and Applications of Fluorescent Ligands for Transmembrane Proteins. Chemistry 2021; 27:8605-8641. [PMID: 33733502 DOI: 10.1002/chem.202100296] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Indexed: 12/16/2022]
Abstract
Despite the fact that transmembrane proteins represent the main therapeutic targets for decades, complete and in-depth knowledge about their biochemical and pharmacological profiling is not fully available. In this regard, target-tailored small-molecule fluorescent ligands are a viable approach to fill in the missing pieces of the puzzle. Such tools, coupled with the ability of high-precision optical techniques to image with an unprecedented resolution at a single-molecule level, helped unraveling many of the conundrums related to plasma proteins' life-cycle and druggability. Herein, we review the recent progress made during the last two decades in fluorescent ligand design and potential applications in fluorescence microscopy of voltage-gated ion channels, ligand-gated ion channels and G-coupled protein receptors.
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Affiliation(s)
- Carlotta Borgarelli
- Department of Chemistry, Molecular Design and Synthesis, KU Leuven Campus Arenberg Celestijnenlaan 200F -, box 2404, 3001, Leuven, Belgium
| | - Yvonne E Klingl
- Department of Neurosciences, Experimental Neurology and Leuven Brain Institute (LBI), KU Leuven Campus Gasthuisberg O&N5 -, box 602 Herestraat 49, 3000, Leuven, Belgium.,Laboratory of Neurobiology, VIB, Center for Brain &, Disease Research, VIB-KU Leuven Campus Gasthuisberg O&N5 -, box 602 Herestraat 49, 3000, Leuven, Belgium
| | - Abril Escamilla-Ayala
- Center for Brain & Disease Research, & VIB BioImaging Core, VIB-KU Leuven Campus Gasthuisberg O&N5 -, box 602 Herestraat 49, 3000, Leuven, Belgium.,Department of Neurosciences, Leuven Brain Institute, KU Leuven, Campus Gasthuisberg O&N5 - box 602 Herestraat 49, 3000, Leuven, Belgium
| | - Sebastian Munck
- Center for Brain & Disease Research, & VIB BioImaging Core, VIB-KU Leuven Campus Gasthuisberg O&N5 -, box 602 Herestraat 49, 3000, Leuven, Belgium.,Department of Neurosciences, Leuven Brain Institute, KU Leuven, Campus Gasthuisberg O&N5 - box 602 Herestraat 49, 3000, Leuven, Belgium
| | - Ludo Van Den Bosch
- Department of Neurosciences, Experimental Neurology and Leuven Brain Institute (LBI), KU Leuven Campus Gasthuisberg O&N5 -, box 602 Herestraat 49, 3000, Leuven, Belgium.,Laboratory of Neurobiology, VIB, Center for Brain &, Disease Research, VIB-KU Leuven Campus Gasthuisberg O&N5 -, box 602 Herestraat 49, 3000, Leuven, Belgium
| | - Wim M De Borggraeve
- Department of Chemistry, Molecular Design and Synthesis, KU Leuven Campus Arenberg Celestijnenlaan 200F -, box 2404, 3001, Leuven, Belgium
| | - Ermal Ismalaj
- Department of Chemistry, Molecular Design and Synthesis, KU Leuven Campus Arenberg Celestijnenlaan 200F -, box 2404, 3001, Leuven, Belgium
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10
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Zhang Y, Li S, Zhang H, Xu H. Design and Application of Receptor-Targeted Fluorescent Probes Based on Small Molecular Fluorescent Dyes. Bioconjug Chem 2021; 32:4-24. [PMID: 33412857 DOI: 10.1021/acs.bioconjchem.0c00606] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In recent years, a variety of receptor-targeted fluorescent probes have been developed and widely used to realize the visualization of certain receptors, which facilitates the early diagnosis and treatment of diseases. In this Review, we focus on the recent achievements in design, chemical structure, imaging characterization, and potential applications of receptor-targeted fluorescent probes from the past 10 years. The development and application of receptor-targeted fluorescent probes will expand our knowledge of the distribution and function of disease-related receptors, shed light on the drug discovery for clinical diseases where receptors are implicated, and feed into the diagnosis and treatment of a plethora of diseases, including tumors.
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Affiliation(s)
- Yujie Zhang
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Co-innovation Center of Henan Province for New Drug R&D and Preclinical Safety, and School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Shufeng Li
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Co-innovation Center of Henan Province for New Drug R&D and Preclinical Safety, and School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Hang Zhang
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Co-innovation Center of Henan Province for New Drug R&D and Preclinical Safety, and School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Haiwei Xu
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Co-innovation Center of Henan Province for New Drug R&D and Preclinical Safety, and School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
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11
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New small molecule fluorescent probes for G protein-coupled receptors: valuable tools for drug discovery. Future Med Chem 2020; 13:63-90. [PMID: 33319586 DOI: 10.4155/fmc-2019-0327] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
G protein-coupled receptors (GPCRs) are essential signaling proteins and tractable therapeutic targets. To develop new drug candidates, GPCR drug discovery programs require versatile, sensitive pharmacological tools for ligand binding and compound screening. With the availability of new imaging modalities and proximity-based ligand binding technologies, fluorescent ligands offer many advantages and are increasingly being used, yet labeling small molecules remains considerably more challenging relative to peptides. Focusing on recent fluorescent small molecule studies for family A GPCRs, this review addresses some of the key challenges, synthesis approaches and structure-activity relationship considerations, and discusses advantages of using high-resolution GPCR structures to inform conjugation strategies. While no single approach guarantees successful labeling without loss of affinity or selectivity, the choice of fluorophore, linker type and site of attachment have proved to be critical factors that can significantly affect their utility in drug discovery programs, and as discussed, can sometimes lead to very unexpected results.
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12
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Drakopoulos A, Decker M. Development and Biological Applications of Fluorescent Opioid Ligands. Chempluschem 2020; 85:1354-1364. [DOI: 10.1002/cplu.202000212] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 05/30/2020] [Indexed: 12/24/2022]
Affiliation(s)
- Antonios Drakopoulos
- Pharmaceutical and Medicinal ChemistryInstitute of Pharmacy and Food ChemistryJulius Maximilian University of Würzburg 97074 Würzburg Germany
| | - Michael Decker
- Pharmaceutical and Medicinal ChemistryInstitute of Pharmacy and Food ChemistryJulius Maximilian University of Würzburg 97074 Würzburg Germany
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13
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Drakopoulos A, Koszegi Z, Lanoiselée Y, Hübner H, Gmeiner P, Calebiro D, Decker M. Investigation of Inactive-State κ Opioid Receptor Homodimerization via Single-Molecule Microscopy Using New Antagonistic Fluorescent Probes. J Med Chem 2020; 63:3596-3609. [DOI: 10.1021/acs.jmedchem.9b02011] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Antonios Drakopoulos
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius Maximilian University of Würzburg, 97074 Würzburg, Germany
| | - Zsombor Koszegi
- Institute of Metabolism and Systems Research and Centre of Membrane Proteins and Receptors, College of Medical and Dental Sciences, University of Birmingham, B152TT Birmingham, U.K
| | - Yann Lanoiselée
- Institute of Metabolism and Systems Research and Centre of Membrane Proteins and Receptors, College of Medical and Dental Sciences, University of Birmingham, B152TT Birmingham, U.K
| | - Harald Hübner
- Medicinal Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander University of Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Peter Gmeiner
- Medicinal Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander University of Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Davide Calebiro
- Institute of Metabolism and Systems Research and Centre of Membrane Proteins and Receptors, College of Medical and Dental Sciences, University of Birmingham, B152TT Birmingham, U.K
| | - Michael Decker
- Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy and Food Chemistry, Julius Maximilian University of Würzburg, 97074 Würzburg, Germany
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14
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Soave M, Briddon SJ, Hill SJ, Stoddart LA. Fluorescent ligands: Bringing light to emerging GPCR paradigms. Br J Pharmacol 2020; 177:978-991. [PMID: 31877233 DOI: 10.1111/bph.14953] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 11/19/2019] [Accepted: 12/05/2019] [Indexed: 01/07/2023] Open
Abstract
In recent years, several novel aspects of GPCR pharmacology have been described, which are thought to play a role in determining the in vivo efficacy of a compound. Fluorescent ligands have been used to study many of these, which have also required the development of new experimental approaches. Fluorescent ligands offer the potential to use the same fluorescent probe to perform a broad range of experiments, from single-molecule microscopy to in vivo BRET. This review provides an overview of the in vitro use of fluorescent ligands in further understanding emerging pharmacological paradigms within the GPCR field, including ligand-binding kinetics, allosterism and intracellular signalling, along with the use of fluorescent ligands to study physiologically relevant therapeutic agents.
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Affiliation(s)
- Mark Soave
- Cell Signalling and Pharmacology Research Group, Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham, Nottingham, UK.,Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham and University of Nottingham, Midlands, UK
| | - Stephen J Briddon
- Cell Signalling and Pharmacology Research Group, Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham, Nottingham, UK.,Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham and University of Nottingham, Midlands, UK
| | - Stephen J Hill
- Cell Signalling and Pharmacology Research Group, Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham, Nottingham, UK.,Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham and University of Nottingham, Midlands, UK
| | - Leigh A Stoddart
- Cell Signalling and Pharmacology Research Group, Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham, Nottingham, UK.,Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham and University of Nottingham, Midlands, UK
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15
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Arttamangkul S, Plazek A, Platt EJ, Jin H, Murray TF, Birdsong WT, Rice KC, Farrens DL, Williams JT. Visualizing endogenous opioid receptors in living neurons using ligand-directed chemistry. eLife 2019; 8:49319. [PMID: 31589142 PMCID: PMC6809603 DOI: 10.7554/elife.49319] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 10/06/2019] [Indexed: 12/11/2022] Open
Abstract
Identifying neurons that have functional opioid receptors is fundamental for the understanding of the cellular, synaptic and systems actions of opioids. Current techniques are limited to post hoc analyses of fixed tissues. Here we developed a fluorescent probe, naltrexamine-acylimidazole (NAI), to label opioid receptors based on a chemical approach termed ‘traceless affinity labeling’. In this approach, a high affinity antagonist naltrexamine is used as the guide molecule for a transferring reaction of acylimidazole at the receptor. This reaction generates a fluorescent dye covalently linked to the receptor while naltrexamine is liberated and leaves the binding site. The labeling induced by this reagent allowed visualization of opioid-sensitive neurons in rat and mouse brains without loss of function of the fluorescently labeled receptors. The ability to locate endogenous receptors in living tissues will aid considerably in establishing the distribution and physiological role of opioid receptors in the CNS of wild type animals.
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Affiliation(s)
- Seksiri Arttamangkul
- The Vollum Institute, Oregon Health & Science University, Portland, United States
| | - Andrew Plazek
- Medicinal Chemistry Core, Oregon Health & Science University, Portland, United States
| | - Emily J Platt
- Department of Biochemistry and Molecular Biology, School of Medicine, Oregon Health & Science University, Portland, United States
| | - Haihong Jin
- Medicinal Chemistry Core, Oregon Health & Science University, Portland, United States
| | - Thomas F Murray
- Department of Pharmacology, School of Medicine, Creighton University, Omaha, United States
| | - William T Birdsong
- The Vollum Institute, Oregon Health & Science University, Portland, United States
| | - Kenner C Rice
- Drug Design and Synthesis Section, Intramural Research Program, NIDA and NIAAA, Bethesda, United States
| | - David L Farrens
- Department of Biochemistry and Molecular Biology, School of Medicine, Oregon Health & Science University, Portland, United States
| | - John T Williams
- The Vollum Institute, Oregon Health & Science University, Portland, United States
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16
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Yule LR, Garelja ML, Hendrikse ER, Gingell JJ, Poyner DR, Harris PWH, Brimble MA, Hay DL. A potent fluorescent calcitonin gene‐related peptide analogue enables visualization of receptor internalization. Pept Sci (Hoboken) 2019. [DOI: 10.1002/pep2.24126] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Lauren R. Yule
- School of Biological SciencesThe University of Auckland Auckland New Zealand
| | - Michael L. Garelja
- School of Biological SciencesThe University of Auckland Auckland New Zealand
| | - Erica R. Hendrikse
- School of Biological SciencesThe University of Auckland Auckland New Zealand
| | - Joseph J. Gingell
- School of Biological SciencesThe University of Auckland Auckland New Zealand
| | - David R. Poyner
- School of Life and Health SciencesAston University Birmingham UK
| | - Paul W. H. Harris
- School of Biological SciencesThe University of Auckland Auckland New Zealand
- School of Chemical SciencesThe University of Auckland Auckland New Zealand
- Maurice Wilkins CentreThe University of Auckland Auckland New Zealand
| | - Margaret A. Brimble
- School of Biological SciencesThe University of Auckland Auckland New Zealand
- School of Chemical SciencesThe University of Auckland Auckland New Zealand
- Maurice Wilkins CentreThe University of Auckland Auckland New Zealand
| | - Debbie L. Hay
- School of Biological SciencesThe University of Auckland Auckland New Zealand
- Maurice Wilkins CentreThe University of Auckland Auckland New Zealand
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17
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Singh S, Oyagawa CRM, Macdonald C, Grimsey NL, Glass M, Vernall AJ. Chromenopyrazole-based High Affinity, Selective Fluorescent Ligands for Cannabinoid Type 2 Receptor. ACS Med Chem Lett 2019; 10:209-214. [PMID: 30783505 DOI: 10.1021/acsmedchemlett.8b00597] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 01/30/2019] [Indexed: 12/17/2022] Open
Abstract
Cannabinoid type 2 receptor (CB2R) is an attractive target for the treatment of pain and inflammatory disorders. Availability of a selective CB2R fluorescent ligand to study CB2R expression and localization in healthy and disease conditions would greatly contribute to improving our understanding of this receptor. Herein, we report a series of chromenopyrazole-based CB2R fluorescent ligands. The highest affinity fluorescent ligand was Cy5-containing 24 (hCB2R pK i = 7.38 ± 0.05), which had 131-fold selectivity over CB1R. In a cAMP BRET assay, 24 behaved as a potent CB2R inverse agonist. Widefield imaging experiments showed that 24 binds to CB2R in live cells with good selectivity and low levels of nonspecific fluorescence. The high affinity, selectivity, and suitable imaging properties of fluorescent ligand 24 make it a valuable tool for studying CB2R.
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Affiliation(s)
- Sameek Singh
- School of Pharmacy, University of Otago, Dunedin, New Zealand
| | - Caitlin R. M. Oyagawa
- Department of Pharmacology and Clinical Pharmacology, and Centre for Brain Research, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Christa Macdonald
- Department of Pharmacology and Clinical Pharmacology, and Centre for Brain Research, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Natasha L. Grimsey
- Department of Pharmacology and Clinical Pharmacology, and Centre for Brain Research, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Michelle Glass
- Department of Pharmacology and Clinical Pharmacology, and Centre for Brain Research, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
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18
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Li N, Jia P, Huang Y. Facile access to highly functionalized hydroisoquinoline derivatives via phosphine-catalyzed sequential [3+3]/[3+3] annulation. Chem Commun (Camb) 2019; 55:10976-10979. [DOI: 10.1039/c9cc05832j] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new phosphine-catalyzed sequential [3+3]/[3+3] annulation of δ-sulfonamido-allenoates and dienes for hydroisoquinoline derivatives with excellent yields and wide substrate scope.
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Affiliation(s)
- Ning Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Penghao Jia
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
| | - You Huang
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
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19
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Cooper AG, Oyagawa CRM, Manning JJ, Singh S, Hook S, Grimsey NL, Glass M, Tyndall JDA, Vernall AJ. Development of selective, fluorescent cannabinoid type 2 receptor ligands based on a 1,8-naphthyridin-2-(1 H)-one-3-carboxamide scaffold. MEDCHEMCOMM 2018; 9:2055-2067. [PMID: 30647881 PMCID: PMC6301273 DOI: 10.1039/c8md00448j] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Accepted: 10/18/2018] [Indexed: 12/16/2022]
Abstract
Cannabinoid type 2 (CB2) receptor has been implicated in several diseases and conditions, however no CB2 receptor selective drugs have made it to market. The aim of this study was to develop fluorescent ligands as CB2 receptor tools, to enable an increased understanding of CB2 receptor expression and signalling and thereby accelerate drug discovery. Fluorescent ligands have been successfully developed for other receptors, however none with adequate subtype selectivity or imaging properties have been reported for CB2 receptor. A series of 1,8-naphthyridin-2-(1H)-one-3-carboxamides with linkers and fluorophores appended in the N1 and C3-positions were developed. Molecular modelling indicated the C3 cis-cyclohexanol-linked compounds directed the linker out of the CB2 receptor between transmembrane helices 1 and 7. Herein we report fluorescent ligand 32 (hCB2 pK i = 6.33 ± 0.02) as one of the highest affinity, selective CB2 receptor fluorescent ligands reported. Despite 32 displaying poor specific labelling of CB2 receptor, the naphthyridine scaffold with this linker remains highly promising for future development of CB2 receptor tools.
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Affiliation(s)
- Anna G Cooper
- School of Pharmacy , University of Otago , 18 Frederick Street , Dunedin 9054 , New Zealand . ; Tel: +64 3 479 4518
| | - Caitlin R M Oyagawa
- Department of Pharmacology and Clinical Pharmacology, and Centre for Brain Research , School of Medical Sciences , University of Auckland , Auckland , New Zealand
| | - Jamie J Manning
- Department of Pharmacology and Clinical Pharmacology, and Centre for Brain Research , School of Medical Sciences , University of Auckland , Auckland , New Zealand
| | - Sameek Singh
- School of Pharmacy , University of Otago , 18 Frederick Street , Dunedin 9054 , New Zealand . ; Tel: +64 3 479 4518
| | - Sarah Hook
- School of Pharmacy , University of Otago , 18 Frederick Street , Dunedin 9054 , New Zealand . ; Tel: +64 3 479 4518
| | - Natasha L Grimsey
- Department of Pharmacology and Clinical Pharmacology, and Centre for Brain Research , School of Medical Sciences , University of Auckland , Auckland , New Zealand
| | - Michelle Glass
- Department of Pharmacology and Clinical Pharmacology, and Centre for Brain Research , School of Medical Sciences , University of Auckland , Auckland , New Zealand
| | - Joel D A Tyndall
- School of Pharmacy , University of Otago , 18 Frederick Street , Dunedin 9054 , New Zealand . ; Tel: +64 3 479 4518
| | - Andrea J Vernall
- School of Pharmacy , University of Otago , 18 Frederick Street , Dunedin 9054 , New Zealand . ; Tel: +64 3 479 4518
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20
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Iliopoulos-Tsoutsouvas C, Kulkarni RN, Makriyannis A, Nikas SP. Fluorescent probes for G-protein-coupled receptor drug discovery. Expert Opin Drug Discov 2018; 13:933-947. [DOI: 10.1080/17460441.2018.1518975] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
| | - Rohit N. Kulkarni
- Section on Islet Cell and Regenerative Biology, Joslin Diabetes Center. Department of Medicine, Brigham and Women’s Hospital, Harvard Stem Cell Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Alexandros Makriyannis
- Center for Drug Discovery and Departments of Chemistry & Chemical Biology and Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts, USA
| | - Spyros P. Nikas
- Center for Drug Discovery and Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts, USA
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