1
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Dudek M, López-Pacios L, Sabouri N, Nogueira JJ, Martinez-Fernandez L, Deiana M. Harnessing Light for G-Quadruplex Modulation: Dual Isomeric Effects of an Ortho-Fluoroazobenzene Derivative. J Phys Chem Lett 2024; 15:9757-9765. [PMID: 39288355 DOI: 10.1021/acs.jpclett.4c02285] [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: 09/19/2024]
Abstract
G-quadruplexes (G4s) are important therapeutic and photopharmacological targets in cancer research. Small-molecule ligands targeting G4s offer a promising strategy to block DNA transactions and induce genetic instability in cancer cells. While numerous G4-ligands have been reported, relatively few examples exist of compounds whose G4-interactive binding properties can be modulated using light. Herein, we report the photophysical characterization of a novel ortho-fluoroazobenzene derivative, Py-Azo4F-3N, that undergoes reversible two-way isomerization upon visible light exposure. Using a combination of biophysical techniques, including affinity and selectivity assays, structural and computational analysis, and cytotoxicity experiments in cancer cell lines, we carefully characterized the G4-interactive binding properties of both isomers. We identify the trans isomer as the most promising form of interacting and stabilizing G4s, enhancing their ablation capability in cancer cells. Our research highlights the importance of light-responsive molecules in achieving precise control over G4 structures, demonstrating their potential in innovative anticancer strategies.
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Affiliation(s)
- Marta Dudek
- Institute of Advanced Materials, Faculty of Chemistry, Wrocław University of Science and Technology, Wyb. Wyspiańskiego 27, 50-370 Wrocław, Poland
| | - Lucía López-Pacios
- Departamento de Química, Facultad de Ciencias, Universidad Autónoma de Madrid, Campus de Excelencia UAM-CSIC, Cantoblanco, 28049 Madrid, Spain
| | - Nasim Sabouri
- Department of Medical Biochemistry and Biophysics, Umeå University, SE-901 87 Umeå, Sweden
| | - Juan J Nogueira
- Departamento de Química, Facultad de Ciencias, Universidad Autónoma de Madrid, Campus de Excelencia UAM-CSIC, Cantoblanco, 28049 Madrid, Spain
- Institute for Advanced Research in Chemistry (IAdChem), Universidad Autónoma de Madrid, Campus de Excelencia UAM-CSIC, Cantoblanco, 28049 Madrid, Spain
| | - Lara Martinez-Fernandez
- Departamento de Química Física de Materiales, Instituto de Química Física Blas Cabrera, CSIC, 28006 Madrid, Spain
| | - Marco Deiana
- Institute of Advanced Materials, Faculty of Chemistry, Wrocław University of Science and Technology, Wyb. Wyspiańskiego 27, 50-370 Wrocław, Poland
- Department of Medical Biochemistry and Biophysics, Umeå University, SE-901 87 Umeå, Sweden
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2
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Josa-Culleré L, Aira Rodríguez C, Llebaria A. Hemithioindigo-based histone deacetylase inhibitors induce a light-dependent anticancer effect. Eur J Med Chem 2024; 279:116846. [PMID: 39270453 DOI: 10.1016/j.ejmech.2024.116846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 08/14/2024] [Accepted: 08/23/2024] [Indexed: 09/15/2024]
Abstract
Photoswitchable molecules exhibit light-dependent biological activity which allow us to control the therapeutic effect of drugs with high precision. Such molecules could solve some of the limitations of anticancer drugs by providing a localised effect in the tumour. Histone deacetylase inhibitors (HDACis) constitute a promising drug class for oncology whose application is often limited by a lack of selectivity. Herein, we developed photoswitchable HDACis based on a hemithioindigo scaffold. We established synthetic routes to access them and determined the optimal conditions for isomerisation and their thermal stability. We then optimised their enzyme activity through three rounds of re-design to identify examples that are up to 6-fold more active under illumination than in the dark. We also confirmed that our best derivative reduces the viability of HeLa cells only under illumination. All in all, we disclose a series of derivatives containing a hemithioindigo moiety, which display a light-dependent effect on both HDAC inhibition and cancer cell viability.
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Affiliation(s)
- Laia Josa-Culleré
- MCS, Laboratory of Medicinal Chemistry & Synthesis, Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain.
| | - Carla Aira Rodríguez
- MCS, Laboratory of Medicinal Chemistry & Synthesis, Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain
| | - Amadeu Llebaria
- MCS, Laboratory of Medicinal Chemistry & Synthesis, Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain.
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3
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Yan W, Zhou Y, Yuan X, Bai P, Tang M, Chen L, Wei H, Yang J. The cytotoxic natural compound erianin binds to colchicine site of β-tubulin and overcomes taxane resistance. Bioorg Chem 2024; 150:107569. [PMID: 38905886 DOI: 10.1016/j.bioorg.2024.107569] [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: 03/26/2024] [Revised: 06/13/2024] [Accepted: 06/16/2024] [Indexed: 06/23/2024]
Abstract
Erianin, a natural compound derived from Dendrobium, has shown significant anticancer properties against a wide range of cancer cells. Despite the identification of multiple mechanisms of action for erianin, none of these mechanisms fully account for its broad-spectrum effect. In this study, we aimed to identify the cellular target and underlying mechanism responsible for the broad-spectrum antitumor effects of erianin. We found that erianin effectively inhibited tubulin polymerization in cancer cells and purified tubulin. Through competition binding assays and X-ray crystallography, it was revealed that erianin bound to the colchicine site of β-tubulin. Importantly, the X-ray crystal structure of the tubulin-erianin complex was solved, providing clear insight into the orientation and position of erianin in the colchicine-binding site. Erianin showed activity against paclitaxel-resistant cells, evidenced by G2/M cell cycle arrest, apoptosis-related PARP and Caspase-3 cleavage, and in vivo xenograft studies. The study concluded that erianin bound reversibly to the colchicine site of β-tubulin, inhibited tubulin polymerization, and displayed anticancer activity against paclitaxel-resistant cells, offering valuable insights for further exploration as potential anticancer agents.
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Affiliation(s)
- Wei Yan
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Yongzhao Zhou
- Integrated Care Management Center, West China Hospital, Sichuan University, China.
| | - Xue Yuan
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Peng Bai
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Minghai Tang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Lijuan Chen
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Haoche Wei
- Department of General Surgery, Gastric Cancer Center, Laboratory of Gastric Cancer, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China.
| | - Jianhong Yang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China.
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4
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Reynders M, Garścia M, Müller-Deku A, Wranik M, Krauskopf K, de la Osa de la Rosa L, Schaffer K, Jötten A, Rode A, Stierle V, Kraus Y, Baumgartner B, Ali A, Bubeneck A, Seal T, Steinmetz MO, Paulitschke P, Thorn-Seshold O. A photo-SAR study of photoswitchable azobenzene tubulin-inhibiting antimitotics identifying a general method for near-quantitative photocontrol. Chem Sci 2024; 15:12301-12309. [PMID: 39118608 PMCID: PMC11304547 DOI: 10.1039/d4sc03072a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Accepted: 06/27/2024] [Indexed: 08/10/2024] Open
Abstract
Azobenzene analogues of the tubulin polymerisation inhibitor combretastatin A4 (PSTs) were previously developed to optically control microtubule dynamics in living systems, with subsecond response time and single-cell spatial precision, by reversible in situ photoswitching of their bioactivity with near-UV/visible light. First-generation PSTs were sufficiently potent and photoswitchable for use in live cells and embryos. However, the link between their seconds-scale and hours-scale bioactivity remained untested. Furthermore, the scope for modifications to tune their photo-structure-activity-relationship or expand their function was unknown. Here, we used large-field-of-view, long-term tandem photoswitching/microscopy to reveal the temporal onset of cytostatic effects. We then synthesised a panel of novel PSTs exploring structural variations that tune photoresponse wavelengths and lipophilicity, identifying promising blue-shifted analogues that are better-compatible with GFP/YFP imaging. Taken together, these results can guide new design and applications for photoswitchable microtubule inhibitors. We also identified tolerated sites for linkers to attach functional cargos; and we tested fluorophores, aiming at RET isomerisation or reporter probes. Instead we found that these antennas greatly enhance long-wavelength single-photon photoisomerisation, by an as-yet un-explored mechanism, that can now drive general progress towards near-quantitative long-wavelength photoswitching of photopharmaceuticals in living systems, with minimal molecular redesign and broad scope.
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Affiliation(s)
- Martin Reynders
- Faculty of Chemistry and Pharmacy, Ludwig-Maximilians-University Munich Munich 81377 Germany
| | - Małgorzata Garścia
- Faculty of Chemistry and Pharmacy, Ludwig-Maximilians-University Munich Munich 81377 Germany
| | - Adrian Müller-Deku
- Faculty of Chemistry and Pharmacy, Ludwig-Maximilians-University Munich Munich 81377 Germany
| | - Maximilian Wranik
- Laboratory of Biomolecular Research, Division of Biology and Chemistry, Paul Scherrer Institut Villigen 5232 Switzerland
| | - Kristina Krauskopf
- Faculty of Chemistry and Pharmacy, Ludwig-Maximilians-University Munich Munich 81377 Germany
| | | | - Konstantin Schaffer
- Faculty of Physics and Center for NanoScience (CeNS), Ludwig-Maximilians-University Munich Munich 80539 Germany
- PHIO Scientific GmbH Munich 81371 Germany
| | - Anna Jötten
- Faculty of Physics and Center for NanoScience (CeNS), Ludwig-Maximilians-University Munich Munich 80539 Germany
- PHIO Scientific GmbH Munich 81371 Germany
| | - Alexander Rode
- Faculty of Chemistry and Pharmacy, Ludwig-Maximilians-University Munich Munich 81377 Germany
| | - Valentin Stierle
- Faculty of Physics and Center for NanoScience (CeNS), Ludwig-Maximilians-University Munich Munich 80539 Germany
| | - Yvonne Kraus
- Faculty of Chemistry and Pharmacy, Ludwig-Maximilians-University Munich Munich 81377 Germany
| | - Benedikt Baumgartner
- Faculty of Chemistry and Pharmacy, Ludwig-Maximilians-University Munich Munich 81377 Germany
| | - Ahmed Ali
- Faculty of Chemistry and Pharmacy, Ludwig-Maximilians-University Munich Munich 81377 Germany
| | - Andrei Bubeneck
- Faculty of Chemistry and Pharmacy, Ludwig-Maximilians-University Munich Munich 81377 Germany
| | - Trina Seal
- Faculty of Chemistry and Pharmacy, Ludwig-Maximilians-University Munich Munich 81377 Germany
| | - Michel O Steinmetz
- Laboratory of Biomolecular Research, Division of Biology and Chemistry, Paul Scherrer Institut Villigen 5232 Switzerland
- Biozentrum, University of Basel Basel 4056 Switzerland
| | - Philipp Paulitschke
- Faculty of Physics and Center for NanoScience (CeNS), Ludwig-Maximilians-University Munich Munich 80539 Germany
- PHIO Scientific GmbH Munich 81371 Germany
| | - Oliver Thorn-Seshold
- Faculty of Chemistry and Pharmacy, Ludwig-Maximilians-University Munich Munich 81377 Germany
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5
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Liu H, Xiong H, Li C, Xu M, Yun Y, Ruan Y, Tang L, Zhang T, Su D, Sun X. 131I Induced In Vivo Proteolysis by Photoswitchable azoPROTAC Reinforces Internal Radiotherapy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310865. [PMID: 38678537 DOI: 10.1002/smll.202310865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 03/18/2024] [Indexed: 05/01/2024]
Abstract
Photopharmacology, incorporating photoswitches such as azobenezes into drugs, is an emerging therapeutic method to realize spatiotemporal control of pharmacological activity by light. However, most photoswitchable molecules are triggered by UV light with limited tissue penetration, which greatly restricts the in vivo application. Here, this study proves that 131I can trigger the trans-cis photoisomerization of a reported azobenezen incorporating PROTACs (azoPROTAC). With the presence of 50 µCi mL-1 131I, the azoPROTAC can effectively down-regulate BRD4 and c-Myc levels in 4T1 cells at a similar level as it does under light irradiation (405 nm, 60 mW cm-2). What's more, the degradation of BRD4 can further benefit the 131I-based radiotherapy. The in vivo experiment proves that intratumoral co-adminstration of 131I (300 µCi) and azoPROTC (25 mg kg-1) via hydrogel not only successfully induce protein degradation in 4T1 tumor bearing-mice but also efficiently inhibit tumor growth with enhanced radiotherapeutic effect and anti-tumor immunological effect. This is the first time that a radioisotope is successfully used as a trigger in photopharmacology in a mouse model. It believes that this study will benefit photopharmacology in deep tissue.
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Affiliation(s)
- Huihui Liu
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Quality Control and Pharmacovigilance, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
- NHC Key Laboratory of Nuclear Technology Medical Transformation (Mianyang Central Hospital), Mianyang, 621000, China
| | - Hehua Xiong
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Quality Control and Pharmacovigilance, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Changjun Li
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Quality Control and Pharmacovigilance, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Mengxia Xu
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Quality Control and Pharmacovigilance, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Yuyang Yun
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Quality Control and Pharmacovigilance, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Yiling Ruan
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Quality Control and Pharmacovigilance, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Lijun Tang
- Department of Nuclear Medicine, The First Affiliated Hospital of Nanjing Medical University, Guangzhou Road 300, Nanjing, 210029, China
| | - Tao Zhang
- Department of Radiopharmaceuticals, Nuclear Medicine Clinical Translation Center, Nanjing Medical University, Nanjing, 211166, China
| | - Dan Su
- Key Laboratory of Drug Safety Evaluation and Research of Zhejiang Province, Department of Clinical Medicine, Hangzhou Medical College, Hangzhou, 310053, China
| | - Xiaolian Sun
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Quality Control and Pharmacovigilance, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
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6
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Saroha A, Bosco MS, Menon S, Kumari P, Maity T, Rana S, Kotak S, Mondal J, Agasti SS. Regulation of microtubule dynamics and function in living cells via cucurbit[7]uril host-guest assembly. Chem Sci 2024; 15:11981-11994. [PMID: 39092123 PMCID: PMC11290447 DOI: 10.1039/d4sc00204k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 06/07/2024] [Indexed: 08/04/2024] Open
Abstract
Living systems utilize sophisticated biochemical regulators and various signal transduction mechanisms to program bio-molecular assemblies and their associated functions. Creating synthetic assemblies that can replicate the functional and signal-responsive properties of these regulators, while also interfacing with biomolecules, holds significant interest within the realms of supramolecular chemistry and chemical biology. This pursuit not only aids in understanding the fundamental design principles of life but also introduces novel capabilities that contribute to the advancements in medical and therapeutic research. In this study, we present a cucurbit[7]uril (CB[7]) host-guest system designed to regulate the dynamics and functions of microtubules (MTs) in living cells. To establish communication between MTs and CB[7] and to reversibly control MT function through host-guest recognition, we synthesized a two-faced docetaxel-p-xylenediamine (Xyl-DTX) derivative. While Xyl-DTX effectively stabilized polymerized MTs, inducing MT bundling and reducing dynamics in GFP-α-tubulin expressing cells, we observed a significant reduction in its MT-targeted activity upon threading with CB[7]. Leveraging the reversible nature of the host-guest complexation, we strategically reactivated the MT stabilizing effect by programming the guest displacement reaction from the CB[7]·Xyl-DTX complex using a suitable chemical signal, namely a high-affinity guest. This host-guest switch was further integrated into various guest activation networks, enabling 'user-defined' regulatory control over MT function. For instance, we demonstrated programmable control over MT function through an optical signal by interfacing it with a photochemical guest activation network. Finally, we showcased the versatility of this supramolecular system in nanotechnology-based therapeutic approaches, where a self-assembled nanoparticle system was employed to trigger the MT-targeted therapeutic effect from the CB[7]·Xyl-DTX complex.
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Affiliation(s)
- Akshay Saroha
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Bangalore Karnataka 560064 India
| | - Monica Swetha Bosco
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Bangalore Karnataka 560064 India
| | - Sneha Menon
- Tata Institute of Fundamental Research 36/P, Gopanpally Village Hyderabad 500046 India
| | - Pratibha Kumari
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Bangalore Karnataka 560064 India
| | - Tanmoy Maity
- Materials Research Centre, Indian Institute of Science C. V. Raman Road Bangalore 560012 India
| | - Subinoy Rana
- Materials Research Centre, Indian Institute of Science C. V. Raman Road Bangalore 560012 India
| | - Sachin Kotak
- Department of Microbiology and Cell Biology, Indian Institute of Science 560012 Bangalore India
| | - Jagannath Mondal
- Tata Institute of Fundamental Research 36/P, Gopanpally Village Hyderabad 500046 India
| | - Sarit S Agasti
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Bangalore Karnataka 560064 India
- Chemistry & Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Bangalore Karnataka 560064 India
- School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Bangalore Karnataka 560064 India
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7
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Singh N, Sharma S. Photo-activated microtubule targeting drugs: Advancing therapies for colorectal cancer. World J Gastroenterol 2024; 30:3257-3260. [PMID: 39086641 PMCID: PMC11287401 DOI: 10.3748/wjg.v30.i26.3257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 06/11/2024] [Accepted: 06/24/2024] [Indexed: 07/09/2024] Open
Abstract
Over the years immunotherapy has demonstrably improved the field of cancer treatment. However, achieving long-term survival for colorectal cancer (CRC) patients remains a significant unmet need. Combination immunotherapies incorporating targeted drugs like MEK or multi-kinase inhibitors have offered some palliative benefit. Nevertheless, substantial gaps remain in the current therapeutic armamentarium for CRC. In recent years, there has been a surge of interest in exploring novel treatment strategies, including the application of light-activated drugs in conjunction with optical devices. This approach holds promise for achieving localized and targeted delivery of cytotoxic agents, such as microtubule-targeting drugs, directly to cancerous cells within the colon.
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Affiliation(s)
- Naresh Singh
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN 46202, United States
| | - Samantha Sharma
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN 46202, United States
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8
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Sai M, van Herwijnen N, Merk D. Azologs of the Fatty Acid Mimetic Drug Cinalukast Enable Light-Induced PPARα Activation. ChemMedChem 2024:e202400327. [PMID: 38895744 DOI: 10.1002/cmdc.202400327] [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: 04/30/2024] [Revised: 06/16/2024] [Accepted: 06/18/2024] [Indexed: 06/21/2024]
Abstract
Photo-switchable nuclear receptor modulators ("photohormones") enable spatial and temporal control over transcription factor activity and are valuable precision tools for biological studies. We have developed a new photohormone chemotype by incorporating a light-switchable motif in the scaffold of a cinalukast-derived PPARα ligand and tuned light-controlled activity by systematic structural variation. An optimized photohormone exhibited PPARα agonism in its light-induced (Z)-configuration and strong selectivity over related lipid-activated transcription factors representing a valuable addition to the collection of light-controlled tools to study nuclear receptor activity.
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Affiliation(s)
- Minh Sai
- Ludwig-Maximilians-Universität München, Department of Pharmacy, 81377, Munich, Germany
| | - Niels van Herwijnen
- Ludwig-Maximilians-Universität München, Department of Pharmacy, 81377, Munich, Germany
| | - Daniel Merk
- Ludwig-Maximilians-Universität München, Department of Pharmacy, 81377, Munich, Germany
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9
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Milunovic MM, Ohui K, Besleaga I, Petrasheuskaya TV, Dömötör O, Enyedy ÉA, Darvasiova D, Rapta P, Barbieriková Z, Vegh D, Tóth S, Tóth J, Kucsma N, Szakács G, Popović-Bijelić A, Zafar A, Reynisson J, Shutalev AD, Bai R, Hamel E, Arion VB. Copper(II) Complexes with Isomeric Morpholine-Substituted 2-Formylpyridine Thiosemicarbazone Hybrids as Potential Anticancer Drugs Inhibiting Both Ribonucleotide Reductase and Tubulin Polymerization: The Morpholine Position Matters. J Med Chem 2024; 67:9069-9090. [PMID: 38771959 PMCID: PMC11181322 DOI: 10.1021/acs.jmedchem.4c00259] [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: 01/29/2024] [Revised: 04/19/2024] [Accepted: 05/09/2024] [Indexed: 05/23/2024]
Abstract
The development of copper(II) thiosemicarbazone complexes as potential anticancer agents, possessing dual functionality as inhibitors of R2 ribonucleotide reductase (RNR) and tubulin polymerization by binding at the colchicine site, presents a promising avenue for enhancing therapeutic effectiveness. Herein, we describe the syntheses and physicochemical characterization of four isomeric proligands H2L3-H2L6, with the methylmorpholine substituent at pertinent positions of the pyridine ring, along with their corresponding Cu(II) complexes 3-6. Evidently, the position of the morpholine moiety and the copper(II) complex formation have marked effects on the in vitro antiproliferative activity in human uterine sarcoma MES-SA cells and the multidrug-resistant derivative MES-SA/Dx5 cells. Activity correlated strongly with quenching of the tyrosyl radical (Y•) of mouse R2 RNR protein, inhibition of RNR activity in the cancer cells, and inhibition of tubulin polymerization. Insights into the mechanism of antiproliferative activity, supported by experimental results and molecular modeling calculations, are presented.
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Affiliation(s)
| | - Katerina Ohui
- Institute
of Inorganic Chemistry, University of Vienna, Vienna A-1090, Austria
| | - Iuliana Besleaga
- Institute
of Inorganic Chemistry, University of Vienna, Vienna A-1090, Austria
| | - Tatsiana V. Petrasheuskaya
- Department
of Molecular and Analytical Chemistry, Interdisciplinary Excellence
Centre, University of Szeged, Dóm tér 7-8, Szeged H-6720, Hungary
- MTA-SZTE
Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, Szeged H-6720, Hungary
| | - Orsolya Dömötör
- Department
of Molecular and Analytical Chemistry, Interdisciplinary Excellence
Centre, University of Szeged, Dóm tér 7-8, Szeged H-6720, Hungary
- MTA-SZTE
Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, Szeged H-6720, Hungary
| | - Éva A. Enyedy
- Department
of Molecular and Analytical Chemistry, Interdisciplinary Excellence
Centre, University of Szeged, Dóm tér 7-8, Szeged H-6720, Hungary
- MTA-SZTE
Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, Szeged H-6720, Hungary
| | - Denisa Darvasiova
- Institute
of Physical Chemistry and Chemical Physics, Faculty of Chemical and
Food Technology, Slovak University of Technology
in Bratislava, Bratislava SK-81237, Slovakia
| | - Peter Rapta
- Institute
of Physical Chemistry and Chemical Physics, Faculty of Chemical and
Food Technology, Slovak University of Technology
in Bratislava, Bratislava SK-81237, Slovakia
| | - Zuzana Barbieriková
- Institute
of Physical Chemistry and Chemical Physics, Faculty of Chemical and
Food Technology, Slovak University of Technology
in Bratislava, Bratislava SK-81237, Slovakia
| | - Daniel Vegh
- Institute
of Organic Chemistry, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Bratislava SK-81237, Slovakia
| | - Szilárd Tóth
- Institute
of Molecular Life Sciences, HUN-REN Research
Centre for Natural Sciences, Hungarian Research Network, Magyar Tudósok körútja
2, Budapest H-1117, Hungary
| | - Judit Tóth
- Institute
of Molecular Life Sciences, HUN-REN Research
Centre for Natural Sciences, Hungarian Research Network, Magyar Tudósok körútja
2, Budapest H-1117, Hungary
| | - Nóra Kucsma
- Institute
of Molecular Life Sciences, HUN-REN Research
Centre for Natural Sciences, Hungarian Research Network, Magyar Tudósok körútja
2, Budapest H-1117, Hungary
| | - Gergely Szakács
- Institute
of Molecular Life Sciences, HUN-REN Research
Centre for Natural Sciences, Hungarian Research Network, Magyar Tudósok körútja
2, Budapest H-1117, Hungary
- Center
for Cancer Research, Medical University
of Vienna, Vienna A-1090, Austria
| | - Ana Popović-Bijelić
- Faculty
of Physical Chemistry, University of Belgrade, Belgrade 11158, Serbia
| | - Ayesha Zafar
- School
of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Jóhannes Reynisson
- School
of Pharmacy and Bioengineering, Keele University, Newcastle-under-Lyme, Staffordshire ST5 5BG, United
Kingdom
| | - Anatoly D. Shutalev
- N.
D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow 119991, Russian Federation
| | - Ruoli Bai
- Molecular
Pharmacology Branch, Developmental Therapeutics Program, Division
of Cancer Diagnosis and Treatment, National Cancer Institute, Frederick
National Laboratory for Cancer Research, National Institutes of Health, Frederick, Maryland 21702, United States
| | - Ernest Hamel
- Molecular
Pharmacology Branch, Developmental Therapeutics Program, Division
of Cancer Diagnosis and Treatment, National Cancer Institute, Frederick
National Laboratory for Cancer Research, National Institutes of Health, Frederick, Maryland 21702, United States
| | - Vladimir B. Arion
- Institute
of Inorganic Chemistry, University of Vienna, Vienna A-1090, Austria
- Inorganic
Polymers Department, “Petru Poni”
Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41 A, Iasi 700487, Romania
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10
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Pandey A, Poirier B, Liang R. Development of Parallel On-the-Fly Crystal Algorithm for Global Exploration of Conical Intersection Seam Space. J Chem Theory Comput 2024; 20:4778-4789. [PMID: 38775818 DOI: 10.1021/acs.jctc.4c00292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
Conical intersection (CI) seams are configuration spaces of a molecular system where two or more (spin) adiabatic electronic states are degenerate in energy. They play essential roles in photochemistry because nonradiative decays often occur near the minima of the seam, i.e., the minimum energy CIs (MECIs). Thus, it is important to explore the CI seams and discover the MECIs. Although various approaches exist for CI seam exploration, most of them are local in nature, requiring reasonable initial guesses of geometries and nuclear gradients during the search. Global search algorithms, on the other hand, are powerful because they can fully sample the configurational space and locate important MECIs missed by local algorithms. However, global algorithms are often computationally expensive for large systems due to their poor scalability with respect to the number of degrees of freedom. To overcome this challenge, we develop the parallel on-the-fly Crystal algorithm to globally explore the CI seam space, taking advantage of its superior scaling behavior. Specifically, Crystal is coupled with on-the-fly evaluations of the excited and ground state energies using multireference electronic structure methods. Meanwhile, the algorithm is parallelized to further boost its computational efficiency. The effectiveness of this new algorithm is tested for three types of molecular photoswitches of significant importance in material and biomedical sciences: photostatin (PST), stilbene, and butadiene. A rudimentary implementation of the algorithm is applied to PST and stilbene, resulting in the discovery of all previously identified MECIs and several new ones. A refined version of the algorithm, combined with a systematic clustering technique, is applied to butadiene, resulting in the identification of an unprecedented number of energetically accessible MECIs. The results demonstrate that the parallel on-the-fly Crystal algorithm is a powerful tool for automated global CI seam exploration.
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Affiliation(s)
- Ankit Pandey
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409, United States
| | - Bill Poirier
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409, United States
| | - Ruibin Liang
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409, United States
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11
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Aarabi M, Pandey A, Poirier B. "On-the-fly" Crystal : How to reliably and automatically characterize and construct potential energy surfaces. J Comput Chem 2024; 45:1261-1278. [PMID: 38635333 DOI: 10.1002/jcc.27324] [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: 09/29/2023] [Revised: 01/10/2024] [Accepted: 01/12/2024] [Indexed: 04/20/2024]
Abstract
In this work, the Crystal code, developed previously by the authors to find "holes" as well as legitimate transition states in existing potential energy surface (PES) functions [JPC Lett. 11, 6468 (2020)], is retooled to perform on-the-fly "direct dynamics"-type PES explorations, as well as automatic construction of new PES functions. In all of these contexts, the chief advantage of Crystal over other methods is its ability to globally map the PES, thereby determining the most relevant regions of configuration space quickly and reliably-even when the dimensionality is rather large. Here, Crystal is used to generate a uniformly spaced grid of density functional theory (DFT) or ab initio points, truncated over the relevant regions, which can then be used to either: (a) hone in precisely on PES features such as minima and transition states, or; (b) create a new PES function automatically, via interpolation. Proof of concept is demonstrated via application to three molecular systems: water (H2 O), (reduced-dimensional) methane (CH4 ), and methylene imine (CH2 NH).
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Affiliation(s)
- Mahdi Aarabi
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
| | - Ankit Pandey
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
| | - Bill Poirier
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
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12
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Holland ED, Miller HL, Millette MM, Taylor RJ, Drucker GL, Dent EW. A methodology for specific disruption of microtubule polymerization into dendritic spines. Mol Biol Cell 2024; 35:mr3. [PMID: 38630519 PMCID: PMC11238079 DOI: 10.1091/mbc.e24-02-0093] [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: 02/27/2024] [Revised: 04/04/2024] [Accepted: 04/12/2024] [Indexed: 05/07/2024] Open
Abstract
Dendritic spines, the mushroom-shaped extensions along dendritic shafts of excitatory neurons, are critical for synaptic function and are one of the first neuronal structures disrupted in neurodevelopmental and neurodegenerative diseases. Microtubule (MT) polymerization into dendritic spines is an activity-dependent process capable of affecting spine shape and function. Studies have shown that MT polymerization into spines occurs specifically in spines undergoing plastic changes. However, discerning the function of MT invasion of dendritic spines requires the specific inhibition of MT polymerization into spines, while leaving MT dynamics in the dendritic shaft, synaptically connected axons and associated glial cells intact. This is not possible with the unrestricted, bath application of pharmacological compounds. To specifically disrupt MT entry into spines we coupled a MT elimination domain (MTED) from the Efa6 protein to the actin filament-binding peptide LifeAct. LifeAct was chosen because actin filaments are highly concentrated in spines and are necessary for MT invasions. Temporally controlled expression of this LifeAct-MTED construct inhibits MT entry into dendritic spines, while preserving typical MT dynamics in the dendrite shaft. Expression of this construct will allow for the determination of the function of MT invasion of spines and more broadly, to discern how MT-actin interactions affect cellular processes.
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Affiliation(s)
- Elizabeth D. Holland
- Neuroscience Training Program, University of Wisconsin-Madison, Madison, WI 53705
| | - Hannah L. Miller
- Neuroscience Training Program, University of Wisconsin-Madison, Madison, WI 53705
| | - Matthew M. Millette
- Department of Neuroscience, School of Medicine and Public Health, Madison, WI 53705
| | - Russell J. Taylor
- Department of Neuroscience, School of Medicine and Public Health, Madison, WI 53705
| | - Gabrielle L. Drucker
- Department of Neuroscience, School of Medicine and Public Health, Madison, WI 53705
| | - Erik W. Dent
- Department of Neuroscience, School of Medicine and Public Health, Madison, WI 53705
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13
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Lian YL, Lin YC. The emerging tools for precisely manipulating microtubules. Curr Opin Cell Biol 2024; 88:102360. [PMID: 38640790 DOI: 10.1016/j.ceb.2024.102360] [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: 11/28/2023] [Revised: 03/25/2024] [Accepted: 03/26/2024] [Indexed: 04/21/2024]
Abstract
Cells generate a highly diverse microtubule network to carry out different activities. This network is comprised of distinct tubulin isotypes, tubulins with different post-translational modifications, and many microtubule-based structures. Defects in this complex system cause numerous human disorders. However, how different microtubule subtypes in this network regulate cellular architectures and activities remains largely unexplored. Emerging tools such as photosensitive pharmaceuticals, chemogenetics, and optogenetics enable the spatiotemporal manipulation of structures, dynamics, post-translational modifications, and cross-linking with actin filaments in target microtubule subtypes. This review summarizes the design rationale and applications of these new approaches and aims to provide a roadmap for researchers navigating the intricacies of microtubule dynamics and their post-translational modifications in cellular contexts, thereby opening new avenues for therapeutic interventions.
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Affiliation(s)
- Yen-Ling Lian
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, 30013, Taiwan.
| | - Yu-Chun Lin
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, 30013, Taiwan; Department of Medical Science, National Tsing Hua University, Hsinchu, 30013, Taiwan.
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14
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Khranovska N, Skachkova O, Gorbach O, Semchuk I, Shvets Y, Komarov I. ANTICANCER IMMUNOGENIC POTENTIAL OF ONCOLYTIC PEPTIDES: RECENT ADVANCES AND NEW PROSPECTS. Exp Oncol 2024; 46:3-12. [PMID: 38852058 DOI: 10.15407/exp-oncology.2024.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Indexed: 06/10/2024]
Abstract
Oncolytic peptides are derived from natural host defense peptides/antimicrobial peptides produced in a wide variety of life forms. Over the past two decades, they have attracted much attention in both basic research and clinical applications. Oncolytic peptides were expected to act primarily on tumor cells and also trigger the immunogenic cell death. Their ability in the tumor microenvironment remodeling and potentiating the anticancer immunity has long been ignored. Despite the promising results, clinical application of oncolytic peptides is still hindered by their unsatisfactory bioactivity and toxicity to normal cells. To ensure safer therapy, various approaches are being developed. The idea of the Ukrainian research group was to equip peptide molecules with a "molecular photoswitch" - a diarylethene fragment capable of photoisomerization, allowing for the localized photoactivation of peptides within tumors reducing side effects. Such oncolytic peptides that may induce the membrane lysis-mediated cancer cell death and subsequent anticancer immune responses in combination with the low toxicity to normal cells have provided a new paradigm for cancer therapy. This review gives an overview of the broad effects and perspectives of oncolytic peptides in anticancer immunity highlighting the potential issues related to the use of oncolytic peptides in cancer immunotherapy. We summarize the current status of research on peptide-based tumor immunotherapy in combination with other therapies including immune checkpoint inhibitors, chemotherapy, and targeted therapy.
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Affiliation(s)
- N Khranovska
- Nonprofit organization "National Cancer Institute", Kyiv, Ukraine
| | - O Skachkova
- Nonprofit organization "National Cancer Institute", Kyiv, Ukraine
| | - O Gorbach
- Nonprofit organization "National Cancer Institute", Kyiv, Ukraine
| | - I Semchuk
- Nonprofit organization "National Cancer Institute", Kyiv, Ukraine
| | - Yu Shvets
- Taras Shevchenko National University of Kyiv, Kyiv, Ukraine
| | - I Komarov
- Taras Shevchenko National University of Kyiv, Kyiv, Ukraine
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15
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Kroll J, Renkawitz J. Principles of organelle positioning in motile and non-motile cells. EMBO Rep 2024; 25:2172-2187. [PMID: 38627564 PMCID: PMC11094012 DOI: 10.1038/s44319-024-00135-4] [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: 11/13/2023] [Revised: 03/15/2024] [Accepted: 04/04/2024] [Indexed: 05/16/2024] Open
Abstract
Cells are equipped with asymmetrically localised and functionally specialised components, including cytoskeletal structures and organelles. Positioning these components to specific intracellular locations in an asymmetric manner is critical for their functionality and affects processes like immune responses, tissue maintenance, muscle functionality, and neurobiology. Here, we provide an overview of strategies to actively move, position, and anchor organelles to specific locations. By conceptualizing the cytoskeletal forces and the organelle-to-cytoskeleton connectivity, we present a framework of active positioning of both membrane-enclosed and membrane-less organelles. Using this framework, we discuss how different principles of force generation and organelle anchorage are utilised by different cells, such as mesenchymal and amoeboid cells, and how the microenvironment influences the plasticity of organelle positioning. Given that motile cells face the challenge of coordinating the positioning of their content with cellular motion, we particularly focus on principles of organelle positioning during migration. In this context, we discuss novel findings on organelle positioning by anchorage-independent mechanisms and their advantages and disadvantages in motile as well as stationary cells.
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Affiliation(s)
- Janina Kroll
- Biomedical Center, Walter Brendel Center of Experimental Medicine, Institute of Cardiovascular Physiology and Pathophysiology, Klinikum der Universität, Ludwig Maximilians Universität München, Munich, Germany
| | - Jörg Renkawitz
- Biomedical Center, Walter Brendel Center of Experimental Medicine, Institute of Cardiovascular Physiology and Pathophysiology, Klinikum der Universität, Ludwig Maximilians Universität München, Munich, Germany.
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16
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Seliwjorstow A, Takamiya M, Rastegar S, Pianowski Z. Reversible Influence of Hemipiperazine Photochromism on the Early Development of Zebrafish Embryo. Chembiochem 2024; 25:e202400143. [PMID: 38442077 DOI: 10.1002/cbic.202400143] [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: 03/01/2024] [Accepted: 03/05/2024] [Indexed: 03/07/2024]
Abstract
This study explores the potential of controlling organismal development with light by using reversible photomodulation of activity in bioactive compounds. Specifically, our research focuses on plinabulin 1, an inhibitor of tubulin dynamics that contains a photochromic motif called hemipiperazine. The two isomeric forms, Z-1 and E-1, can partially interconvert with light, yet show remarkable thermal stability in darkness. The Z-isomer exhibits higher cytotoxicity due to stronger binding to α-tubulin's colchicine site. The less toxic E-1 form, considered a "pro-drug", can be isolated in vitro and stored. Upon activation by blue or cyan light, it predominantly generates the more toxic Z-1 form. Here we demonstrate that 1 can effectively photomodulate epiboly, a critical microtubule-dependent cell movement during gastrulation in zebrafish embryos. This research highlights the potential of photomodulation for precise and reversible control of cellular activities and organismal development.
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Affiliation(s)
- Angelika Seliwjorstow
- Institute of Organic Chemistry, Karlsruhe Institute of Technology KIT, Kaiserstrasse 12, 76131, Karlsruhe, Germany
| | - Masanari Takamiya
- Institute of Biological and Chemical Systems - Biological Information Processing IBCS-BIP, Karlsruhe Institute of Technology KIT, Kaiserstrasse 12, 76131, Karlsruhe, Germany
| | - Sepand Rastegar
- Institute of Biological and Chemical Systems - Biological Information Processing IBCS-BIP, Karlsruhe Institute of Technology KIT, Kaiserstrasse 12, 76131, Karlsruhe, Germany
| | - Zbigniew Pianowski
- Institute of Organic Chemistry, Karlsruhe Institute of Technology KIT, Kaiserstrasse 12, 76131, Karlsruhe, Germany
- Institute of Biological and Chemical Systems - Functional Molecular Systems IBCS-FMS, Karlsruhe Institute of Technology KIT, Kaiserstrasse 12, 76131, Karlsruhe, Germany
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17
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Fink M, Stäuble J, Weisgerber M, Carreira EM. Aryl Azocyclopropeniums: Minimalist, Visible-Light Photoswitches. J Am Chem Soc 2024; 146:9519-9525. [PMID: 38547006 PMCID: PMC11010232 DOI: 10.1021/jacs.4c01786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 03/07/2024] [Accepted: 03/11/2024] [Indexed: 04/11/2024]
Abstract
We report convenient syntheses of aryl azocyclopropeniums and a study of their photochemical properties. Incorporation of the smallest arene leads to pronounced redshift of the π-π* absorbance band, compared to azobenzenes. Photoisomerization under purple or green light irradiation affords Z- or E-isomers in ratios up to 94% Z or 90% E, and the switches proved stable over multiple irradiation cycles. Thermal half-lives of metastable Z-isomers range from minutes to hours in acetonitrile and water. These properties together with the concise, versatile syntheses render aryl azocyclopropeniums exciting additions to the tool kit of readily available molecular photoswitches for wide ranging applications.
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Affiliation(s)
- Moritz Fink
- Department of Chemistry and
Applied Biosciences, Laboratory of Organic Chemistry, ETH Zürich, 8093 Zürich, Switzerland
| | - Jannik Stäuble
- Department of Chemistry and
Applied Biosciences, Laboratory of Organic Chemistry, ETH Zürich, 8093 Zürich, Switzerland
| | - Maïté Weisgerber
- Department of Chemistry and
Applied Biosciences, Laboratory of Organic Chemistry, ETH Zürich, 8093 Zürich, Switzerland
| | - Erick M. Carreira
- Department of Chemistry and
Applied Biosciences, Laboratory of Organic Chemistry, ETH Zürich, 8093 Zürich, Switzerland
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18
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Kita K, Burdowski A. Recent clinical trials and optical control as a potential strategy to develop microtubule-targeting drugs in colorectal cancer management. World J Gastroenterol 2024; 30:1780-1790. [PMID: 38659489 PMCID: PMC11036503 DOI: 10.3748/wjg.v30.i13.1780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 02/08/2024] [Accepted: 03/19/2024] [Indexed: 04/03/2024] Open
Abstract
Colorectal cancer (CRC) has remained the second and the third leading cause of cancer-related death worldwide and in the United States, respectively. Although significant improvement in overall survival has been achieved, death in adult populations under the age of 55 appears to have increased in the past decades. Although new classes of therapeutic strategies such as immunotherapy have emerged, their application is very limited in CRC so far. Microtubule (MT) inhibitors such as taxanes, are not generally successful in CRC. There may be some way to make MT inhibitors work effectively in CRC. One potential advantage that we can take to treat CRC may be the combination of optical techniques coupled to an endoscope or other fiber optics-based devices. A combination of optical devices and photo-activatable drugs may allow us to locally target advanced CRC cells with highly potent MT-targeting drugs. In this Editorial review, we would like to discuss the potential of optogenetic approaches in CRC management.
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Affiliation(s)
- Katsuhiro Kita
- Department of Biology, St. Francis College, Brooklyn, NY 11201, United States
| | - Allen Burdowski
- Department of Biology, St. Francis College, Brooklyn, NY 11201, United States
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19
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Agashe C, Saroha A, Agasti SS, Patra D. Supramolecular Modulation of Fluid Flow in a Self-Powered Enzyme Micropump. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:6933-6939. [PMID: 38497757 DOI: 10.1021/acs.langmuir.3c03958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Regulating macroscopic fluid flow by catalytic harnessing of chemical energy could potentially provide a solution for powerless microfluidic devices. Earlier reports have shown that surface-anchored enzymes can actuate the surrounding fluid in the presence of the respective substrate in a concentration-dependent manner. It is also crucial to have control over the flow speed of a self-powered enzyme micropump in various applications where controlled dosing and mixing are required. However, modulating the flow speed independent of the fuel concentration remains a significant challenge. In a quest to regulate the fluid flow in such a system, a supramolecular approach has been adopted, where reversible regulation of enzyme activity was achieved by a two-faced synthetic receptor bearing sulfonamide and adamantane groups. The bovine carbonic anhydrase (BCA) enzyme containing a single binding site favorable to the sulfonamide group was used as a model enzyme, and the enzyme activity was inhibited in the presence of the two-faced inhibitor. The same effect was reflected when the immobilized enzyme was used as an engine to actuate the fluid flow. The flow velocity was reduced up to 53% in the presence of 100 μM inhibitor. Later, upon addition of a supramolecular "host" CB[7], the inhibitor was sequestered from the enzyme due to the higher binding affinity of CB[7] with the adamantane functionality of the inhibitor. As a result, the flow velocity was restored to ∼72%, thus providing successful supramolecular control over a self-powered enzyme micropump.
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Affiliation(s)
- Chinmayee Agashe
- Institute of Nano Science and Technology, Knowledge City, Sector 81, SAS Nagar, Mohali 140306, Punjab, India
| | - Akshay Saroha
- Jawaharlal Nehru Centre for Advanced Scientific Research, Rachenahalli Lake Rd, Jakkur, Bengaluru 560064, Karnataka, India
| | - Sarit S Agasti
- Jawaharlal Nehru Centre for Advanced Scientific Research, Rachenahalli Lake Rd, Jakkur, Bengaluru 560064, Karnataka, India
| | - Debabrata Patra
- Institute of Nano Science and Technology, Knowledge City, Sector 81, SAS Nagar, Mohali 140306, Punjab, India
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20
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Dong B, Mahapatra S, Clark MG, Carlsen MS, Mohn KJ, Ma S, Brasseale KA, Crim G, Zhang C. Spatiotemporally Precise Optical Manipulation of Intracellular Molecular Activities. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2307342. [PMID: 38279563 PMCID: PMC10987104 DOI: 10.1002/advs.202307342] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 12/15/2023] [Indexed: 01/28/2024]
Abstract
Controlling chemical processes in live cells is a challenging task. The spatial heterogeneity of biochemical reactions in cells is often overlooked by conventional means of incubating cells with desired chemicals. A comprehensive understanding of spatially diverse biochemical processes requires precise control over molecular activities at the subcellular level. Herein, a closed-loop optoelectronic control system is developed that allows the manipulation of biomolecular activities in live cells at high spatiotemporal precision. Chemical-selective fluorescence signals are utilized to command lasers that trigger specific chemical processes or control the activation of photoswitchable inhibitors at desired targets. This technology is fully compatible with laser scanning confocal fluorescence microscopes. The authors demonstrate selective interactions of a 405 nm laser with targeted organelles and simultaneous monitoring of cell responses by fluorescent protein signals. Notably, blue laser interaction with the endoplasmic reticulum leads to a more pronounced reduction in cytosolic green fluorescent protein signals in comparison to that with nuclei and lipid droplets. Moreover, when combined with a photoswitchable inhibitor, microtubule polymerization is selectively inhibited within the subcellular compartments. This technology enables subcellular spatiotemporal optical manipulation over chemical processes and drug activities, exclusively at desired targets, while minimizing undesired effects on non-targeted locations.
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Affiliation(s)
- Bin Dong
- Department of ChemistryPurdue University560 Oval Dr.West LafayetteIN47907USA
| | - Shivam Mahapatra
- Department of ChemistryPurdue University560 Oval Dr.West LafayetteIN47907USA
| | - Matthew G. Clark
- Department of ChemistryPurdue University560 Oval Dr.West LafayetteIN47907USA
| | - Mark S. Carlsen
- Department of ChemistryPurdue University560 Oval Dr.West LafayetteIN47907USA
| | - Karsten J. Mohn
- Department of ChemistryPurdue University560 Oval Dr.West LafayetteIN47907USA
| | - Seohee Ma
- Department of ChemistryPurdue University560 Oval Dr.West LafayetteIN47907USA
| | - Kent A. Brasseale
- Department of ChemistryPurdue University560 Oval Dr.West LafayetteIN47907USA
| | - Grace Crim
- Department of ChemistryPurdue University560 Oval Dr.West LafayetteIN47907USA
| | - Chi Zhang
- Department of ChemistryPurdue University560 Oval Dr.West LafayetteIN47907USA
- Purdue Center for Cancer Research201 S. University St.West LafayetteIN47907USA
- Purdue Institute of Inflammation, Immunology, and Infectious Disease207 S. Martin Jischke Dr.West LafayetteIN47907USA
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21
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Huang L, Han G. Triplet-triplet annihilation photon upconversion-mediated photochemical reactions. Nat Rev Chem 2024; 8:238-255. [PMID: 38514833 DOI: 10.1038/s41570-024-00585-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/15/2024] [Indexed: 03/23/2024]
Abstract
Photon upconversion is a method for harnessing high-energy excited states from low-energy photons. Such photons, particularly in the red and near-infrared wavelength ranges, can penetrate tissue deeply and undergo less competitive absorption in coloured reaction media, enhancing the efficiency of large-scale reactions and in vivo phototherapy. Among various upconversion methodologies, the organic-based triplet-triplet annihilation upconversion (TTA-UC) stands out - demonstrating high upconversion efficiencies, requiring low excitation power densities and featuring tunable absorption and emission wavelengths. These factors contribute to improved photochemical reactions for fields such as photoredox catalysis, photoactivation, 3D printing and immunotherapy. In this Review, we explore concepts and design principles of organic TTA-UC-mediated photochemical reactions, highlighting notable advancements in the field, as well as identify challenges and propose potential solutions. This Review sheds light on the potential of organic TTA-UC to advance beyond the traditional photochemical reactions and paves the way for research in various fields and clinical applications.
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Affiliation(s)
- Ling Huang
- Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Center for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, China
- Department of Biochemistry and Molecular Biotechnology, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Gang Han
- Department of Biochemistry and Molecular Biotechnology, University of Massachusetts Chan Medical School, Worcester, MA, USA.
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22
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Zhang Y, Deng J, Tian H, Qi H, Xiong T, Lin S, Dong Y, Luo L, Wu D, Zhang K, Ji M, Du T, Sheng L, Chen X, Xu H. Design, Synthesis, and Bioevaluation of Novel Reversibly Photoswitchable PI3K Inhibitors Based on Phenylazopyridine Derivatives toward Light-Controlled Cancer Treatment. J Med Chem 2024; 67:3504-3519. [PMID: 38377311 DOI: 10.1021/acs.jmedchem.3c01864] [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: 02/22/2024]
Abstract
Photopharmacology is an emerging approach for achieving light-controlled drug activity. Herein, we design and synthesize a novel series of photoswitchable PI3K inhibitors by replacing a sulfonamide moiety with an azo group in a 4-methylquinazoline-based scaffold. Through structure-activity relationship studies, compound 6g is identified to be effectively switched between its trans- and cis-configuration under irradiation with proper wavelengths. Molecular docking studies show the cis-isomer of 6g is favorable to bind to the PI3K target, supporting compound 6g in the PSS365 (cis-isomer enriched) was more potent than that in the PSSdark (trans-isomer dominated) in PI3K enzymatic assay, cell antiproliferative assay, Western blotting analysis on PI3K downstream effectors, cell cycle analysis, colony formation assay, and wound-healing assay. Relative to the cis-isomer, the trans-isomer is more metabolically stable and shows good pharmacokinetic properties in mice. Moreover, compound 6g inhibits tumor growth in nude mice and a zebrafish HGC-27 xenograft model.
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Affiliation(s)
- Yan Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- CAMS Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Jialing Deng
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- CAMS Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Hua Tian
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- CAMS Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Haixiang Qi
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- CAMS Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Tianning Xiong
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- CAMS Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Songwen Lin
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- CAMS Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Yi Dong
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- CAMS Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Lijun Luo
- Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Deyu Wu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- CAMS Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Kehui Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- CAMS Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Ming Ji
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- CAMS Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Tingting Du
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- CAMS Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Li Sheng
- Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Xiaoguang Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- CAMS Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Heng Xu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- CAMS Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
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23
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Nakajima C, Sawada M, Umeda E, Takagi Y, Nakashima N, Kuboyama K, Kaneko N, Yamamoto S, Nakamura H, Shimada N, Nakamura K, Matsuno K, Uesugi S, Vepřek NA, Küllmer F, Nasufović V, Uchiyama H, Nakada M, Otsuka Y, Ito Y, Herranz-Pérez V, García-Verdugo JM, Ohno N, Arndt HD, Trauner D, Tabata Y, Igarashi M, Sawamoto K. Identification of the growth cone as a probe and driver of neuronal migration in the injured brain. Nat Commun 2024; 15:1877. [PMID: 38461182 PMCID: PMC10924819 DOI: 10.1038/s41467-024-45825-8] [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: 11/20/2022] [Accepted: 02/01/2024] [Indexed: 03/11/2024] Open
Abstract
Axonal growth cones mediate axonal guidance and growth regulation. We show that migrating neurons in mice possess a growth cone at the tip of their leading process, similar to that of axons, in terms of the cytoskeletal dynamics and functional responsivity through protein tyrosine phosphatase receptor type sigma (PTPσ). Migrating-neuron growth cones respond to chondroitin sulfate (CS) through PTPσ and collapse, which leads to inhibition of neuronal migration. In the presence of CS, the growth cones can revert to their extended morphology when their leading filopodia interact with heparan sulfate (HS), thus re-enabling neuronal migration. Implantation of an HS-containing biomaterial in the CS-rich injured cortex promotes the extension of the growth cone and improve the migration and regeneration of neurons, thereby enabling functional recovery. Thus, the growth cone of migrating neurons is responsive to extracellular environments and acts as a primary regulator of neuronal migration.
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Affiliation(s)
- Chikako Nakajima
- Department of Developmental and Regenerative Neurobiology, Institute of Brain Science, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan
| | - Masato Sawada
- Department of Developmental and Regenerative Neurobiology, Institute of Brain Science, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan
- Division of Neural Development and Regeneration, National Institute for Physiological Sciences, Okazaki, 444-8585, Japan
| | - Erika Umeda
- Department of Developmental and Regenerative Neurobiology, Institute of Brain Science, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan
| | - Yuma Takagi
- Department of Developmental and Regenerative Neurobiology, Institute of Brain Science, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan
| | - Norihiko Nakashima
- Department of Developmental and Regenerative Neurobiology, Institute of Brain Science, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan
| | - Kazuya Kuboyama
- Department of Developmental and Regenerative Neurobiology, Institute of Brain Science, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan
| | - Naoko Kaneko
- Department of Developmental and Regenerative Neurobiology, Institute of Brain Science, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan
- Laboratory of Neuronal Regeneration, Graduate School of Brain Science, Doshisha University, Kyoto, 610-0394, Japan
| | - Satoaki Yamamoto
- Department of Developmental and Regenerative Neurobiology, Institute of Brain Science, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan
| | - Haruno Nakamura
- Department of Developmental and Regenerative Neurobiology, Institute of Brain Science, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan
| | - Naoki Shimada
- Research and Development Center, The Japan Wool Textile Co., Ltd., Kobe, 675-0053, Japan
| | - Koichiro Nakamura
- Medical Device Department, Nikke Medical Co., Ltd., Osaka, 541-0048, Japan
| | - Kumiko Matsuno
- Research and Development Center, The Japan Wool Textile Co., Ltd., Kobe, 675-0053, Japan
- Laboratory of Biomaterials, Department of Regeneration Science and Engineering, Institute for Life and Medical Sciences (LiMe), Kyoto University, Kyoto, 606-8507, Japan
| | - Shoji Uesugi
- Medical Device Department, Nikke Medical Co., Ltd., Osaka, 541-0048, Japan
| | - Nynke A Vepřek
- Department of Chemistry, New York University, New York, NY, 10003, USA
| | - Florian Küllmer
- Institute for Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Jena, 07743, Germany
| | - Veselin Nasufović
- Institute for Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Jena, 07743, Germany
| | | | | | - Yuji Otsuka
- Toray Research Center, Inc., Otsu, 520-8567, Japan
| | - Yasuyuki Ito
- Department of Neurochemistry and Molecular Cell Biology, School of Medicine and Graduate School of Medical/Dental Sciences, Niigata University, Niigata, 951-8510, Japan
| | - Vicente Herranz-Pérez
- Laboratory of Comparative Neurobiology, Cavanilles Institute, University of Valencia, CIBERNED, Valencia, 46980, Spain
| | - José Manuel García-Verdugo
- Laboratory of Comparative Neurobiology, Cavanilles Institute, University of Valencia, CIBERNED, Valencia, 46980, Spain
| | - Nobuhiko Ohno
- Department of Anatomy, Division of Histology and Cell Biology, Jichi Medical University, School of Medicine, Shimotsuke, 329-0498, Japan
- Division of Ultrastructural Research, National Institute for Physiological Sciences, Okazaki, 444-8585, Japan
| | - Hans-Dieter Arndt
- Institute for Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Jena, 07743, Germany
| | - Dirk Trauner
- Department of Chemistry, New York University, New York, NY, 10003, USA
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Yasuhiko Tabata
- Laboratory of Biomaterials, Department of Regeneration Science and Engineering, Institute for Life and Medical Sciences (LiMe), Kyoto University, Kyoto, 606-8507, Japan
| | - Michihiro Igarashi
- Department of Neurochemistry and Molecular Cell Biology, School of Medicine and Graduate School of Medical/Dental Sciences, Niigata University, Niigata, 951-8510, Japan
| | - Kazunobu Sawamoto
- Department of Developmental and Regenerative Neurobiology, Institute of Brain Science, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan.
- Division of Neural Development and Regeneration, National Institute for Physiological Sciences, Okazaki, 444-8585, Japan.
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24
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Holland ED, Miller HL, Millette MM, Taylor RJ, Drucker GL, Dent EW. A Methodology for Specific Disruption of Microtubules in Dendritic Spines. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.04.583370. [PMID: 38496454 PMCID: PMC10942340 DOI: 10.1101/2024.03.04.583370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Dendritic spines, the mushroom-shaped extensions along dendritic shafts of excitatory neurons, are critical for synaptic function and are one of the first neuronal structures disrupted in neurodevelopmental and neurodegenerative diseases. Microtubule (MT) polymerization into dendritic spines is an activity-dependent process capable of affecting spine shape and function. Studies have shown that MT polymerization into spines occurs specifically in spines undergoing plastic changes. However, discerning the function of MT invasion of dendritic spines requires the specific inhibition of MT polymerization into spines, while leaving MT dynamics in the dendritic shaft, synaptically connected axons and associated glial cells intact. This is not possible with the unrestricted, bath application of pharmacological compounds. To specifically disrupt MT entry into spines we coupled a MT elimination domain (MTED) from the Efa6 protein to the actin filament-binding peptide LifeAct. LifeAct was chosen because actin filaments are highly concentrated in spines and are necessary for MT invasions. Temporally controlled expression of this LifeAct-MTED construct inhibits MT entry into dendritic spines, while preserving typical MT dynamics in the dendrite shaft. Expression of this construct will allow for the determination of the function of MT invasion of spines and more broadly, to discern how MT-actin interactions affect cellular processes.
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Affiliation(s)
| | - Hannah L. Miller
- Neuroscience Training Program, University of Wisconsin-Madison, WI 53705
| | - Matthew M. Millette
- Department of Neuroscience, School of Medicine and Public Health, Madison, WI 53705
| | - Russell J. Taylor
- Department of Neuroscience, School of Medicine and Public Health, Madison, WI 53705
| | - Gabrielle L. Drucker
- Department of Neuroscience, School of Medicine and Public Health, Madison, WI 53705
| | - Erik W. Dent
- Department of Neuroscience, School of Medicine and Public Health, Madison, WI 53705
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25
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Zhao Y, Huang Q, Li Q, Chen Z, Liu Y. Bidirectional Regulation of Intracellular Enzyme Activity Using Light-Driven Nano-Inhibitors. Angew Chem Int Ed Engl 2024; 63:e202318533. [PMID: 38196066 DOI: 10.1002/anie.202318533] [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: 12/03/2023] [Revised: 12/24/2023] [Accepted: 01/09/2024] [Indexed: 01/11/2024]
Abstract
Photochemical regulation provides precise control over enzyme activities with high spatiotemporal resolution. A promising approach involves anchoring "photoswitches" at enzyme active sites to modulate substrate recognition. However, current methods often require genetic mutations and irreversible enzyme modifications for the site-specific anchoring of "photoswitches", potentially compromising the enzyme activities. Herein, we present a pioneering reversible nano-inhibitor based on molecular imprinting technique for bidirectional regulation of intracellular enzyme activity. The nano-inhibitor employs a molecularly imprinted polymer nanoparticle as its body and azobenzene-modified inhibitors ("photoswitches") as the arms. By using a target enzyme as the molecular template, the nano-inhibitor acquires oriented binding sites on its surface, resulting in a high affinity for the target enzyme and non-covalently firm anchoring of the azobenzene-modified inhibitor to the enzyme active site. Harnessing the reversible isomerization of azobenzene units upon exposure to ultraviolet and visible light, the nano-inhibitor achieves bidirectional enzyme activity regulation by precisely docking and undocking inhibitor at the active site. Notably, this innovative approach enables the facile in situ regulation of intracellular endogenous enzymes, such as carbonic anhydrase. Our results represent a practical and versatile tool for precise enzyme activity regulation in complex intracellular environments.
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Affiliation(s)
- Yu Zhao
- Key Laboratory of Functional Polymer Materials of Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Qingqing Huang
- Key Laboratory of Functional Polymer Materials of Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Qiushi Li
- Key Laboratory of Functional Polymer Materials of Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Zihan Chen
- Key Laboratory of Functional Polymer Materials of Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Yang Liu
- Key Laboratory of Functional Polymer Materials of Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
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26
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Dong B, Everly RM, Mahapatra S, Carlsen MS, Ma S, Zhang C. Unleashing Precision and Freedom in Optical Manipulation: Software-Assisted Real-Time Precision Opto-Control of Intracellular Molecular Activities and Cell Functions. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.09.579709. [PMID: 38405826 PMCID: PMC10888777 DOI: 10.1101/2024.02.09.579709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
The traditional method in biological science to regulate cell functions often employs chemical interventions, which commonly lack precision in space and time. While optical manipulation offers superior spatial precision, existing technologies are constrained by limitations in flexibility, accuracy, and response time. Here, we present an adaptable and interactive optical manipulation platform that integrates laser scanning, chemical sensing, synchronized multi-laser control, adaptable target selection, flexible decision-making, and real-time monitoring of sample responses. This software-assisted real-time precision opto-control (S-RPOC) platform facilitates automatic target selection driven by optical signals while permitting user-defined manual delineation. It allows the treatment of mobile or stationary targets with varying laser dosages and wavelengths simultaneously at diffraction-limited spatial precision and optimal accuracy. Significantly, S-RPOC showcases versatile capabilities including adaptive photobleaching, comprehensive quantification of protein dynamics, selective organelle perturbation, control of cell division, and manipulation of individual cell behaviors within a population. With its unprecedented spatiotemporal precision and adaptable decision-making, S-RPOC holds the potential for extensive applications in biological science.
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27
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Tan Y, Hu H, Zhu W, Wang T, Gao T, Wang H, Chen J, Xu J, Xu S, Zhu H. Design, synthesis and biological evaluation of novel dihydroquinolin-4(1H)-one derivatives as novel tubulin polymerization inhibitors. Eur J Med Chem 2023; 262:115881. [PMID: 37883897 DOI: 10.1016/j.ejmech.2023.115881] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 10/13/2023] [Accepted: 10/13/2023] [Indexed: 10/28/2023]
Abstract
A series of novel dihydroquinolin-4(1H)-one derivatives targeting colchicine binding site on tubulin were designed, synthesized and evaluated as anticancer agents. The most potent compound 6t showed remarkable antiproliferative activities against four cancer cell lines with IC50 values among 0.003-0.024 μM and tubulin polymerization inhibitory activity (IC50 = 3.06 μM). Further mechanism studies revealed that compound 6t could induce K562 cells apoptosis and arrest at the G2/M phase. Meanwhile, 6t significantly inhibited migration and invasion of MDA-MB-231 cells, and disrupted the angiogenesis in human umbilical vein endothelial cells (HUVECs) in vitro. In addition, compound 6t inhibited tumor growth in H22 allograft tumor model with a tumor growth inhibition (TGI) rate of 63.3 % (i.v., 20 mg/kg per day) without obvious toxicity. Collectively, these results indicated that compound 6t was a novel tubulin polymerization inhibitor with potent anticancer properties in vitro and in vivo.
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Affiliation(s)
- Yuchen Tan
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, PR China
| | - Han Hu
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, PR China
| | - Wenjian Zhu
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, PR China
| | - Tao Wang
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, PR China
| | - Tian Gao
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, PR China
| | - Hongqi Wang
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, PR China
| | - Jian Chen
- Department of Hepatobiliary Surgery, The First People's Hospital of Kunshan, Suzhou, Jiangsu, 215300, PR China
| | - Jinyi Xu
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, PR China; Shenzhen Research Institute of China Pharmaceutical University, Nanshan District, Shenzheng, 518052, PR China
| | - Shengtao Xu
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, PR China; Department of Hepatobiliary Surgery, The First People's Hospital of Kunshan, Suzhou, Jiangsu, 215300, PR China; Shenzhen Research Institute of China Pharmaceutical University, Nanshan District, Shenzheng, 518052, PR China.
| | - Huajian Zhu
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, PR China.
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28
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Matsuura K, Inaba H. Photoresponsive peptide materials: Spatiotemporal control of self-assembly and biological functions. BIOPHYSICS REVIEWS 2023; 4:041303. [PMID: 38505425 PMCID: PMC10903425 DOI: 10.1063/5.0179171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 11/27/2023] [Indexed: 03/21/2024]
Abstract
Peptides work as both functional molecules to modulate various biological phenomena and self-assembling artificial materials. The introduction of photoresponsive units to peptides allows the spatiotemporal remote control of their structure and function upon light irradiation. This article overviews the photoresponsive peptide design, interaction with biomolecules, and applications in self-assembling materials over the last 30 years. Peptides modified with photochromic (photoisomerizable) molecules, such as azobenzene and spiropyran, reversibly photo-controlled the binding to biomolecules and nanostructure formation through self-assembly. Photocleavable molecular units irreversibly control the functions of peptides through cleavage of the main chain and deprotection by light. Photocrosslinking between peptides or between peptides and other biomolecules enhances the structural stability of peptide assemblies and complexes. These photoresponsive peptides spatiotemporally controlled the formation and dissociation of peptide assemblies, gene expressions, protein-drug interactions, protein-protein interactions, liposome deformation and motility, cytoskeleton structure and stability, and cell functions by appropriate light irradiation. These molecular systems can be applied to photo-control biological functions, molecular robots, artificial cells, and next-generation smart drug delivery materials.
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29
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Palasis KA, Peddie V, Turner DJL, Zhang X, Yu J, Abell AD. Exploring Photoswitchable Binding Interactions with Small-Molecule- and Peptide-Based Inhibitors of Trypsin. Chembiochem 2023; 24:e202300453. [PMID: 37584529 DOI: 10.1002/cbic.202300453] [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: 06/18/2023] [Revised: 08/13/2023] [Accepted: 08/14/2023] [Indexed: 08/17/2023]
Abstract
The ability to photochemically activate a drug, both when and where needed, requires optimisation of the difference in biological activity between each isomeric state. As a step to this goal, we report small-molecule- and peptide-based inhibitors of the same protease-trypsin-to better understand how photoswitchable drugs interact with their biological target. The best peptidic inhibitor displayed a more than fivefold difference in inhibitory activity between isomeric states, whereas the best small-molecule inhibitor only showed a 3.4-fold difference. Docking and molecular modelling suggest this result is due to a large change in 3D structure in the key binding residues of the peptidic inhibitor upon isomerisation; this is not observed for the small-molecule inhibitor. Hence, we demonstrate that significant structural changes in critical binding motifs upon irradiation are essential for maximising the difference in biological activity between isomeric states. This is an important consideration in the design of future photoswitchable drugs for clinical applications.
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Affiliation(s)
- Kathryn A Palasis
- ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP), Institute for Photonics and Advanced Sensing (IPAS), Department of Chemistry, The University of Adelaide, North Terrace, Adelaide, SA 5005, Australia
| | - Victoria Peddie
- ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP), Institute for Photonics and Advanced Sensing (IPAS), Department of Chemistry, The University of Adelaide, North Terrace, Adelaide, SA 5005, Australia
| | - Dion J L Turner
- ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP), Institute for Photonics and Advanced Sensing (IPAS), Department of Chemistry, The University of Adelaide, North Terrace, Adelaide, SA 5005, Australia
| | - Xiaozhou Zhang
- ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP), Institute for Photonics and Advanced Sensing (IPAS), Department of Chemistry, The University of Adelaide, North Terrace, Adelaide, SA 5005, Australia
| | - Jingxian Yu
- ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP), Institute for Photonics and Advanced Sensing (IPAS), Department of Chemistry, The University of Adelaide, North Terrace, Adelaide, SA 5005, Australia
- Guangxi Key Laboratory of Electrochemical and, Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, 541004, P. R. China
| | - Andrew D Abell
- ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP), Institute for Photonics and Advanced Sensing (IPAS), Department of Chemistry, The University of Adelaide, North Terrace, Adelaide, SA 5005, Australia
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30
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Ko T, Jou C, Grau-Perales AB, Reynders M, Fenton AA, Trauner D. Photoactivated Protein Degrader for Optical Control of Synaptic Function. ACS Chem Neurosci 2023; 14:3704-3713. [PMID: 37712589 PMCID: PMC10557063 DOI: 10.1021/acschemneuro.3c00390] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 08/04/2023] [Indexed: 09/16/2023] Open
Abstract
Hundreds of proteins determine the function of synapses, and synapses define the neuronal circuits that subserve myriad brain, cognitive, and behavioral functions. It is thus necessary to precisely manipulate specific proteins at specific sub-cellular locations and times to elucidate the roles of particular proteins and synapses in brain function. We developed PHOtochemically TArgeting Chimeras (PHOTACs) as a strategy to optically degrade specific proteins with high spatial and temporal precision. PHOTACs are small molecules that, upon wavelength-selective illumination, catalyze ubiquitylation and degradation of target proteins through endogenous proteasomes. Here, we describe the design and chemical properties of a PHOTAC that targets Ca2+/calmodulin-dependent protein kinase II alpha (CaMKIIα), which is abundant and crucial for the baseline synaptic function of excitatory neurons. We validate the PHOTAC strategy, showing that the CaMKIIα-PHOTAC is effective in mouse brain tissue. Light activation of CaMKIIα-PHOTAC removed CaMKIIα from regions of the mouse hippocampus only within 25 μm of the illuminated brain surface. The optically controlled degradation decreases synaptic function within minutes of light activation, measured by the light-initiated attenuation of evoked field excitatory postsynaptic potential (fEPSP) responses to physiological stimulation. The PHOTACs methodology should be broadly applicable to other key proteins implicated in synaptic function, especially for evaluating their precise roles in the maintenance of long-term potentiation and memory within subcellular dendritic domains.
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Affiliation(s)
- Tongil Ko
- Department
of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Department
of Chemistry, New York University, New York, New York 10003, United States
| | - Claudia Jou
- Department
of Psychology, Hunter College, New York, New York 10065, United States
| | | | - Martin Reynders
- Department
of Chemistry, New York University, New York, New York 10003, United States
| | - André A. Fenton
- Center
for Neural Science, New York University, New York, New York 10003, United States
| | - Dirk Trauner
- Department
of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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31
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Bakhtiiari A, Costa GJ, Liang R. On the Simulation of Thermal Isomerization of Molecular Photoswitches in Biological Systems. J Chem Theory Comput 2023; 19:6484-6499. [PMID: 37607344 DOI: 10.1021/acs.jctc.3c00451] [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: 08/24/2023]
Abstract
Molecular photoswitches offer precise, reversible photocontrol over biomolecular functions and are promising light-regulated drug candidates with minimal side effects. Quantifying thermal isomerization rates of photoswitches in their target biomolecules is essential for fine-tuning their light-controlled drug activity. However, the effects of protein binding on isomerization kinetics remain poorly understood, and simulations are crucial for filling this gap. Challenges in the simulation include describing multireference electronic structures near transition states, disentangling competing reaction pathways, and sampling protein-ligand interactions. To overcome these challenges, we used multiscale simulations to characterize the thermal isomerization of photostatins (PSTs), which are light-regulated microtubule inhibitors for potential cancer phototherapy. We employed a new ab initio multireference electronic structure method in a quantum mechanics/molecular mechanics setting and combined it with enhanced sampling techniques to characterize the cis to trans free-energy profiles of three PSTs in a vacuum, aqueous solution, and tubulin dimer. The significant advantage of our novel approach is the efficient treatment of the multireference character in PSTs' electronic wavefunction throughout the conformational sampling of protein-ligand interactions along their isomerization pathways. We also benchmarked our calculations using high-level ab initio multireference electronic structure methods and explored the competing isomerization pathways. Notably, calculations in a vacuum and implicit solvent models cannot predict the order of the PSTs' thermal half-lives in the aqueous solution observed in the experiment. Only by explicitly treating the solvent molecules can the correct order of isomerization kinetics be reproduced. Protein binding perturbs free-energy barriers due to hydrogen bonding between PSTs and nearby polar residues. Our work generates comprehensive, high-quality benchmark data and offers guidance for selecting computational methods to study the thermal isomerization of photoswitches. Ab initio multireference free-energy calculations in explicit molecular environments are crucial for predicting the effects of substituents on the thermal half-lives of photoswitches in biological systems.
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Affiliation(s)
- Amirhossein Bakhtiiari
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409, United States
| | - Gustavo J Costa
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409, United States
| | - Ruibin Liang
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409, United States
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32
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Zhang Z, Le GNT, Ge Y, Tang X, Chen X, Ejim L, Bordeleau E, Wright GD, Burns DC, Tran S, Axerio-Cilies P, Wang YT, Dong M, Woolley GA. Isomerization of bioactive acylhydrazones triggered by light or thiols. Nat Chem 2023; 15:1285-1295. [PMID: 37308709 DOI: 10.1038/s41557-023-01239-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 05/12/2023] [Indexed: 06/14/2023]
Abstract
The acylhydrazone unit is well represented in screening databases used to find ligands for biological targets, and numerous bioactive acylhydrazones have been reported. However, potential E/Z isomerization of the C=N bond in these compounds is rarely examined when bioactivity is assayed. Here we analysed two ortho-hydroxylated acylhydrazones discovered in a virtual drug screen for modulators of N-methyl-D-aspartate receptors and other bioactive hydroxylated acylhydrazones with structurally defined targets reported in the Protein Data Bank. We found that ionized forms of these compounds, which are populated under laboratory conditions, photoisomerize readily and the isomeric forms have markedly different bioactivity. Furthermore, we show that glutathione, a tripeptide involved with cellular redox balance, catalyses dynamic E⇄Z isomerization of acylhydrazones. The ratio of E to Z isomers in cells is determined by the relative stabilities of the isomers regardless of which isomer was applied. We conclude that E/Z isomerization may be a common feature of the bioactivity observed with acylhydrazones and should be routinely analysed.
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Affiliation(s)
- Zhiwei Zhang
- Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
- Key Laboratory for Advanced Materials, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
| | - Giang N T Le
- Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
| | - Yang Ge
- Department of Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Xiaowen Tang
- Department of Medicinal Chemistry, School of Pharmacy, Qingdao University, Qingdao, China
| | - Xin Chen
- Department of Medicinal Chemistry, School of Pharmacy, Qingdao University, Qingdao, China
| | - Linda Ejim
- David Braley Centre for Antibiotics Discovery M.G. DeGroote Institute for Infectious Disease Research, Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Emily Bordeleau
- David Braley Centre for Antibiotics Discovery M.G. DeGroote Institute for Infectious Disease Research, Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Gerard D Wright
- David Braley Centre for Antibiotics Discovery M.G. DeGroote Institute for Infectious Disease Research, Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Darcy C Burns
- Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
| | - Susannah Tran
- Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
| | - Peter Axerio-Cilies
- Department of Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada.
| | - Yu Tian Wang
- Department of Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada.
| | - Mingxin Dong
- Department of Medicinal Chemistry, School of Pharmacy, Qingdao University, Qingdao, China.
| | - G Andrew Woolley
- Department of Chemistry, University of Toronto, Toronto, Ontario, Canada.
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33
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Borys F, Tobiasz P, Fabczak H, Joachimiak E, Krawczyk H. First-in-Class Colchicine-Based Visible Light Photoswitchable Microtubule Dynamics Disrupting Agent. Cells 2023; 12:1866. [PMID: 37508530 PMCID: PMC10378023 DOI: 10.3390/cells12141866] [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: 05/23/2023] [Revised: 07/10/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
Compounds that disrupt microtubule dynamics, such as colchicine, paclitaxel, or Vinca alkaloids, have been broadly used in biological studies and have found application in clinical anticancer medications. However, their main disadvantage is the lack of specificity towards cancerous cells, leading to severe side effects. In this paper, we report the first synthesis of 12 new visible light photoswitchable colchicine-based microtubule inhibitors AzoCols. Among the obtained compounds, two photoswitches showed light-dependent cytotoxicity in cancerous cell lines (HCT116 and MCF-7). The most promising compound displayed a nearly twofold increase in potency. Moreover, dissimilar inhibition of purified tubulin polymerisation in cell-free assay and light-dependent disruption of microtubule organisation visualised by immunofluorescence imaging sheds light on the mechanism of action as microtubule photoswitchable destabilisers. The presented results provide a foundation towards the synthesis and development of a novel class of photoswitchable colchicine-based microtubule polymerisation inhibitors.
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Affiliation(s)
- Filip Borys
- Department of Organic Chemistry, Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3 Street, 00-664 Warsaw, Poland
- Laboratory of Cytoskeleton and Cilia Biology, Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland
| | - Piotr Tobiasz
- Department of Organic Chemistry, Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3 Street, 00-664 Warsaw, Poland
| | - Hanna Fabczak
- Laboratory of Cytoskeleton and Cilia Biology, Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland
| | - Ewa Joachimiak
- Laboratory of Cytoskeleton and Cilia Biology, Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland
| | - Hanna Krawczyk
- Department of Organic Chemistry, Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3 Street, 00-664 Warsaw, Poland
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34
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Zhang L, Xie X, Djokovic N, Nikolic K, Kosenkov D, Abendroth F, Vázquez O. Reversible Control of RNA Splicing by Photoswitchable Small Molecules. J Am Chem Soc 2023. [PMID: 37276581 DOI: 10.1021/jacs.3c03275] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Dynamics are intrinsic to both RNA function and structure. Yet, the available means to precisely provide RNA-based processes with spatiotemporal resolution are scarce. Here, our work pioneers a reversible approach to regulate RNA splicing within primary patient-derived cells by synthetic photoswitches. Our small molecule enables conditional real-time control at mRNA and protein levels. NMR experiments, together with theoretical calculations, photochemical characterization, fluorescence polarization measurements, and living cell-based assays, confirmed light-dependent exon inclusion as well as an increase in the target functional protein. Therefore, we first demonstrated the potential of photopharmacology modulation in splicing, tweaking the current optochemical toolkit. The timeliness on the consolidation of RNA research as the driving force toward therapeutical innovation holds the promise that our approach will contribute to redrawing the vision of RNA.
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Affiliation(s)
- Lei Zhang
- Department of Chemistry, University of Marburg, Marburg, D-35043, Germany
| | - Xiulan Xie
- Department of Chemistry, University of Marburg, Marburg, D-35043, Germany
| | - Nemanja Djokovic
- Department of Pharmaceutical Chemistry, University of Belgrade, Belgrade, 11000, Serbia
| | - Katarina Nikolic
- Department of Pharmaceutical Chemistry, University of Belgrade, Belgrade, 11000, Serbia
| | - Dmitri Kosenkov
- Department of Chemistry and Physics, Monmouth University, West Long Branch, New Jersey 07764, United States
| | - Frank Abendroth
- Department of Chemistry, University of Marburg, Marburg, D-35043, Germany
| | - Olalla Vázquez
- Department of Chemistry, University of Marburg, Marburg, D-35043, Germany
- Center for Synthetic Microbiology (SYNMIKRO), University of Marburg, Marburg, D-35043, Germany
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35
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Velasco CD, Santarella-Mellwig R, Schorb M, Gao L, Thorn-Seshold O, Llobet A. Microtubule depolymerization contributes to spontaneous neurotransmitter release in vitro. Commun Biol 2023; 6:488. [PMID: 37147475 PMCID: PMC10163034 DOI: 10.1038/s42003-023-04779-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 03/29/2023] [Indexed: 05/07/2023] Open
Abstract
Microtubules are key to multiple neuronal functions involving the transport of organelles, however, their relationship to neurotransmitter release is still unresolved. Here, we show that microtubules present in the presynaptic compartment of cholinergic autaptic synapses are dynamic. To investigate how the balance between microtubule growth and shrinkage affects neurotransmission we induced synchronous microtubule depolymerization by photoactivation of the chemical inhibitor SBTub3. The consequence was an increase in spontaneous neurotransmitter release. An analogous effect was obtained by dialyzing the cytosol with Kif18A, a plus-end-directed kinesin with microtubule depolymerizing activity. Kif18A also inhibited the refilling of the readily releasable pool of synaptic vesicles during high frequency stimulation. The action of Kif18A was associated to one order of magnitude increases in the numbers of exo-endocytic pits and endosomes present in the presynaptic terminal. An enhancement of spontaneous neurotransmitter release was also observed when neurons were dialyzed with stathmin-1, a protein with a widespread presence in the nervous system that induces microtubule depolymerization. Taken together, these results support that microtubules restrict spontaneous neurotransmitter release as well as promote the replenishment of the readily releasable pool of synaptic vesicles.
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Affiliation(s)
- Cecilia D Velasco
- Laboratory of Neurobiology, Department of Pathology and Experimental Therapy, Institute of Neurosciences, University of Barcelona, 08907, L'Hospitalet de Llobregat, Barcelona, Spain
- Bellvitge Biomedical Research Institute (IDIBELL), 08907, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Rachel Santarella-Mellwig
- Electron Microscopy Core Facility, European Molecular Biology Laboratory (EMBL), Meyerhofstrasse 1, 69117, Heidelberg, Germany
| | - Martin Schorb
- Electron Microscopy Core Facility, European Molecular Biology Laboratory (EMBL), Meyerhofstrasse 1, 69117, Heidelberg, Germany
| | - Li Gao
- Department of Pharmacy, Ludwig-Maximilians University of Munich, Munich, 81377, Germany
| | - Oliver Thorn-Seshold
- Department of Pharmacy, Ludwig-Maximilians University of Munich, Munich, 81377, Germany
| | - Artur Llobet
- Laboratory of Neurobiology, Department of Pathology and Experimental Therapy, Institute of Neurosciences, University of Barcelona, 08907, L'Hospitalet de Llobregat, Barcelona, Spain.
- Bellvitge Biomedical Research Institute (IDIBELL), 08907, L'Hospitalet de Llobregat, Barcelona, Spain.
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36
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Cao F, Wang H, Lu N, Zhang P, Huang H. A Photoisomerizable Zinc (II) Complex Inhibits Microtubule Polymerization for Photoactive Therapy. Angew Chem Int Ed Engl 2023; 62:e202301344. [PMID: 36749111 DOI: 10.1002/anie.202301344] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/06/2023] [Accepted: 02/07/2023] [Indexed: 02/08/2023]
Abstract
The photoisomerization-induced cytotoxicity in photopharmacology provides a unique pathway for phototherapy because it is independent of endogenous oxygen. In this study, we developed a biosafe photoisomerizable zinc(II) complex (Zn1), which releases its trans ligand (trans-L1) after being irradiated with blue light. This causes the complex to undergo photoisomerization and produce the toxic cis product (cis-L1) and generate singlet oxygen (1 O2 ). The resulting series of events caused impressive phototoxicity in hypoxic A431 skin cancer cells, as well as in a tumor model in vivo. Interestingly, Zn1 was able to inhibit tumor microtubule polymerization, while still showing good biocompatibility and biosafety in vivo. This photoisomerizable zinc(II) complex provides a novel strategy for addressing the oxygen-dependent limitation of traditional photodynamic therapy.
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Affiliation(s)
- Fengshu Cao
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China
- School of Pharmaceutical Science (Shenzhen), Shenzhen campus of Sun Yat-sen University, No.66, Gongchang Road, Shenzhen, 518107, China
| | - Haobing Wang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Nong Lu
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Pingyu Zhang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Huaiyi Huang
- School of Pharmaceutical Science (Shenzhen), Shenzhen campus of Sun Yat-sen University, No.66, Gongchang Road, Shenzhen, 518107, China
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37
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Rosenberger JE, Xie Y, Fang Y, Lyu X, Trout WS, Dmitrenko O, Fox JM. Ligand-Directed Photocatalysts and Far-Red Light Enable Catalytic Bioorthogonal Uncaging inside Live Cells. J Am Chem Soc 2023; 145:6067-6078. [PMID: 36881718 PMCID: PMC10589873 DOI: 10.1021/jacs.2c10655] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Abstract
Described are ligand-directed catalysts for live-cell, photocatalytic activation of bioorthogonal chemistry. Catalytic groups are localized via a tethered ligand either to DNA or to tubulin, and red light (660 nm) photocatalysis is used to initiate a cascade of DHTz oxidation, intramolecular Diels-Alder reaction, and elimination to release phenolic compounds. Silarhodamine (SiR) dyes, more conventionally used as biological fluorophores, serve as photocatalysts that have high cytocompatibility and produce minimal singlet oxygen. Commercially available conjugates of Hoechst dye (SiR-H) and docetaxel (SiR-T) are used to localize SiR to the nucleus and microtubules, respectively. Computation was used to assist the design of a new class of redox-activated photocage to release either phenol or n-CA4, a microtubule-destabilizing agent. In model studies, uncaging is complete within 5 min using only 2 μM SiR and 40 μM photocage. In situ spectroscopic studies support a mechanism involving rapid intramolecular Diels-Alder reaction and a rate-determining elimination step. In cellular studies, this uncaging process is successful at low concentrations of both the photocage (25 nM) and the SiR-H dye (500 nM). Uncaging n-CA4 causes microtubule depolymerization and an accompanying reduction in cell area. Control studies demonstrate that SiR-H catalyzes uncaging inside the cell, and not in the extracellular environment. With SiR-T, the same dye serves as a photocatalyst and the fluorescent reporter for microtubule depolymerization, and with confocal microscopy, it was possible to visualize microtubule depolymerization in real time as the result of photocatalytic uncaging in live cells.
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Affiliation(s)
- Julia E. Rosenberger
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - Yixin Xie
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - Yinzhi Fang
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - Xinyi Lyu
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - William S. Trout
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - Olga Dmitrenko
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
| | - Joseph M. Fox
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA
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38
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Pyrrolyldihydropyrazino[1,2-a]indoletrione Analogue Microtubule Inhibitor Induces Cell-Cycle Arrest and Apoptosis in Colorectal Cancer Cells. Molecules 2023; 28:molecules28041948. [PMID: 36838936 PMCID: PMC9966721 DOI: 10.3390/molecules28041948] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/15/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
In this study, 2-benzyl-10a-(1H-pyrrol-2-yl)-2,3-dihydropyrazino[1,2-a]indole-1,4,10(10aH)-trione (DHPITO), a previously identified inhibitor against hepatocellular carcinoma cells, is shown to exert its cytotoxic effects by suppressing the proliferation and growth of CRC cells. An investigation of its molecular mechanism confirmed that the cytotoxic activity of DHPITO is mediated through the targeting of microtubules with the promotion of subsequent microtubule polymerisation. With its microtubule-stabilising ability, DHPITO also consistently arrested the cell cycle of the CRC cells at the G2/M phase by promoting the phosphorylation of histone 3 and the accumulation of EB1 at the cell equator, reduced the levels of CRC cell migration and invasion, and induced cellular apoptosis. Furthermore, the compound could suppress both tumour size and tumour weight in a CRC xenograft model without any obvious side effects. Taken together, the findings of the present study reveal the antiproliferative and antitumour mechanisms through which DHPITO exerts its activity, indicating its potential as a putative chemotherapeutic agent and lead compound with a novel structure.
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39
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Sarkar HS, Mashita T, Kowada T, Hamaguchi S, Sato T, Kasahara K, Matubayasi N, Matsui T, Mizukami S. Arylazopyrazole-Based Photoswitchable Inhibitors Selective for Escherichia coli Dihydrofolate Reductase. ACS Chem Biol 2023; 18:340-346. [PMID: 36662098 DOI: 10.1021/acschembio.2c00749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Selective inhibitors of Escherichia coli dihydrofolate reductase (eDHFR) are crucial chemical biology tools that have widespread clinical applications. We developed a set of eDHFR-selective photoswitchable inhibitors by derivatizing the structure of our previously reported methotrexate (MTX) azolog, azoMTX. Substitution of the skeletal p-phenylene group of azoMTX with bulky bis-alkylated arylazopyrazole moieties significantly increased its selectivity toward eDHFR over human DHFR. Owing to the physical properties of arylazopyrazoles, the new ligands exhibited nearly complete Z-to-E photoconversion and high thermostability of Z-isomers. In addition, real-time photoreversible control of eDHFR activity was achieved by alternatively switching the illumination light wavelengths.
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Affiliation(s)
- Himadri S Sarkar
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Miyagi, Japan
| | - Takato Mashita
- Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8578, Miyagi, Japan
| | - Toshiyuki Kowada
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Miyagi, Japan.,Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8578, Miyagi, Japan.,Department of Molecular and Chemical Life Sciences, Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Miyagi, Japan
| | - Satoshi Hamaguchi
- Department of Molecular and Chemical Life Sciences, Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Miyagi, Japan
| | - Toshizo Sato
- Department of Molecular and Chemical Life Sciences, Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Miyagi, Japan
| | - Kento Kasahara
- Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University, 1-3, Machikaneyamacho, Toyonaka 560-8531, Osaka, Japan
| | - Nobuyuki Matubayasi
- Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University, 1-3, Machikaneyamacho, Toyonaka 560-8531, Osaka, Japan
| | - Toshitaka Matsui
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Miyagi, Japan.,Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8578, Miyagi, Japan.,Department of Molecular and Chemical Life Sciences, Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Miyagi, Japan
| | - Shin Mizukami
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Miyagi, Japan.,Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8578, Miyagi, Japan.,Department of Molecular and Chemical Life Sciences, Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Miyagi, Japan
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40
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Wranik M, Weinert T, Slavov C, Masini T, Furrer A, Gaillard N, Gioia D, Ferrarotti M, James D, Glover H, Carrillo M, Kekilli D, Stipp R, Skopintsev P, Brünle S, Mühlethaler T, Beale J, Gashi D, Nass K, Ozerov D, Johnson PJM, Cirelli C, Bacellar C, Braun M, Wang M, Dworkowski F, Milne C, Cavalli A, Wachtveitl J, Steinmetz MO, Standfuss J. Watching the release of a photopharmacological drug from tubulin using time-resolved serial crystallography. Nat Commun 2023; 14:903. [PMID: 36807348 PMCID: PMC9936131 DOI: 10.1038/s41467-023-36481-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 02/02/2023] [Indexed: 02/19/2023] Open
Abstract
The binding and release of ligands from their protein targets is central to fundamental biological processes as well as to drug discovery. Photopharmacology introduces chemical triggers that allow the changing of ligand affinities and thus biological activity by light. Insight into the molecular mechanisms of photopharmacology is largely missing because the relevant transitions during the light-triggered reaction cannot be resolved by conventional structural biology. Using time-resolved serial crystallography at a synchrotron and X-ray free-electron laser, we capture the release of the anti-cancer compound azo-combretastatin A4 and the resulting conformational changes in tubulin. Nine structural snapshots from 1 ns to 100 ms complemented by simulations show how cis-to-trans isomerization of the azobenzene bond leads to a switch in ligand affinity, opening of an exit channel, and collapse of the binding pocket upon ligand release. The resulting global backbone rearrangements are related to the action mechanism of microtubule-destabilizing drugs.
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Affiliation(s)
- Maximilian Wranik
- Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Tobias Weinert
- Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Chavdar Slavov
- Institute of Physical and Theoretical Chemistry, Goethe University, Frankfurt am Main, Germany
| | - Tiziana Masini
- Computational & Chemical Biology, Istituto Italiano di Tecnologia, 16163, Genova, Italy
| | - Antonia Furrer
- Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Natacha Gaillard
- Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Dario Gioia
- Computational & Chemical Biology, Istituto Italiano di Tecnologia, 16163, Genova, Italy
| | - Marco Ferrarotti
- Computational & Chemical Biology, Istituto Italiano di Tecnologia, 16163, Genova, Italy
| | - Daniel James
- Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Hannah Glover
- Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Melissa Carrillo
- Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Demet Kekilli
- Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Robin Stipp
- Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Petr Skopintsev
- Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Steffen Brünle
- Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Tobias Mühlethaler
- Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - John Beale
- Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Dardan Gashi
- Photon Science Division, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Karol Nass
- Photon Science Division, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Dmitry Ozerov
- Scientific Computing, Theory and Data, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Philip J M Johnson
- Photon Science Division, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Claudio Cirelli
- Photon Science Division, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Camila Bacellar
- Photon Science Division, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Markus Braun
- Institute of Physical and Theoretical Chemistry, Goethe University, Frankfurt am Main, Germany
| | - Meitian Wang
- Photon Science Division, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Florian Dworkowski
- Photon Science Division, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Chris Milne
- Photon Science Division, Paul Scherrer Institut, 5232, Villigen, Switzerland
| | - Andrea Cavalli
- Computational & Chemical Biology, Istituto Italiano di Tecnologia, 16163, Genova, Italy
- Department of Pharmacy and Biotechnology, University of Bologna, 40126, Bologna, Italy
| | - Josef Wachtveitl
- Institute of Physical and Theoretical Chemistry, Goethe University, Frankfurt am Main, Germany
| | - Michel O Steinmetz
- Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland.
- Biozentrum, University of Basel, 4056, Basel, Switzerland.
| | - Jörg Standfuss
- Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland.
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41
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Ko T, Jou C, Grau-Perales A, Reynders M, Fenton A, Trauner D. A Photoactivated Protein Degrader for Optical Control of Synaptic Function. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.13.528397. [PMID: 36824807 PMCID: PMC9949324 DOI: 10.1101/2023.02.13.528397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Hundreds of proteins determine the function of synapses, and synapses define the neuronal circuits that subserve myriad brain, cognitive, and behavioral functions. It is thus necessary to precisely manipulate specific proteins at specific sub-cellular locations and times to elucidate the roles of particular proteins and synapses in brain function. We developed PHOtochemically TArgeting Chimeras (PHOTACs) as a strategy to optically degrade specific proteins with high spatial and temporal precision. PHOTACs are small molecules that, upon wavelength-selective illumination, catalyze ubiquitylation and degradation of target proteins through endogenous proteasomes. Here we describe the design and chemical properties of a PHOTAC that targets Ca 2+ /calmodulin-dependent protein kinase II alpha (CaMKIIα), which is abundant and crucial for baseline synaptic function of excitatory neurons. We validate the PHOTAC strategy, showing that the CaMKIIα-PHOTAC is effective in mouse brain tissue. Light activation of CaMKIIα-PHOTAC removed CaMKIIα from regions of the mouse hippocampus only within 25 μm of the illuminated brain surface. The optically-controlled degradation decreases synaptic function within minutes of light activation, measured by the light-initiated attenuation of evoked field excitatory postsynaptic potential (fEPSP) responses to physiological stimulation. The PHOTACs methodology should be broadly applicable to other key proteins implicated in synaptic function, especially for evaluating their precise roles in the maintenance of long-term potentiation and memory within subcellular dendritic domains.
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Affiliation(s)
- T. Ko
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street Philadelphia, PA 19104-6323, USA
- Department of Chemistry, New York University, 100 Washington Square East, New York, NY 10003, USA
| | - C. Jou
- Department of Psychology, Hunter College, 695 Park Avenue, New York, NY, 10065, USA
| | - A.B. Grau-Perales
- Center for Neural Science, New York University, 4 Washington Place, New York, NY 10003, USA
| | - M. Reynders
- Department of Chemistry, New York University, 100 Washington Square East, New York, NY 10003, USA
| | - A.A. Fenton
- Center for Neural Science, New York University, 4 Washington Place, New York, NY 10003, USA
| | - D. Trauner
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street Philadelphia, PA 19104-6323, USA
- Department of Chemistry, New York University, 100 Washington Square East, New York, NY 10003, USA
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42
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Du G, Fu J, Zheng Y, Hu F, Shen X, Li B, Zhao X, Yu Z. A facile and light-controllable drug combination for enhanced photopharmacology. Org Biomol Chem 2023; 21:1021-1026. [PMID: 36607248 DOI: 10.1039/d2ob02190k] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
We investigated the feasibility of creating cyclic azobenzene/azobenzene-based photo-switchable drugs that can fine-tune antibacterial activity against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) with light dependence. Furthermore, a "light-controlled drug combination" of these obtained drugs could be reversibly controlled to efficiently improve the antibiotic effect so as to reduce the minimum inhibitory concentrations (MICs) with different wavelength light illumination. Importantly, their antimicrobial activity could be easily manipulated by using light in bacterial patterning studies with high spatiotemporal precision, which might allow for localized activation of drugs and provide an alternative solution for practical clinical application in photopharmacology.
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Affiliation(s)
- Guangxi Du
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Jielin Fu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Yuanqin Zheng
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Fuqiang Hu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Xin Shen
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Baolin Li
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Xiaohu Zhao
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Zhipeng Yu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
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43
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Josa-Culleré L, Llebaria A. Visible-Light-Controlled Histone Deacetylase Inhibitors for Targeted Cancer Therapy. J Med Chem 2023; 66:1909-1927. [PMID: 36654474 PMCID: PMC9949698 DOI: 10.1021/acs.jmedchem.2c01713] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The lack of selectivity of anticancer drugs limits current chemotherapy. Light-activatable drugs, whose activity can be precisely controlled with external light, could provide a more localized action of the drugs in the tumor, thus decreasing side effects and increasing efficacy. Herein, we introduce a series of photoswitchable azobenzene histone deacetylase inhibitors (HDACis) whose activity can be controlled by external visible light. Initial HDACis isomerized under ultraviolet light and were up to >50-fold more active under illumination than in the dark in enzyme assays. These were then optimized toward compounds responding to more permeable and less harmful green light by introducing o-halogen atoms into the azobenzene. Selected compounds decreased cell viability only under illumination in four different cancer cell lines. Overall, we present photoswitchable HDACis with optimized activation wavelengths, which inhibit enzyme activity and cell viability only upon illumination with visible light, contributing to the still limited toolbox of photoswitchable anticancer drugs.
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44
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Panda S, Dhara S, Singh A, Dey S, Kumar Lahiri G. Metal-coordinated azoaromatics: Strategies for sequential azo-reduction, isomerization and application potential. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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45
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Müller-Deku A, Thorn-Seshold O. Exhaustive Catalytic ortho-Alkoxylation of Azobenzenes: Flexible Access to Functionally Diverse Yellow-Light-Responsive Photoswitches. J Org Chem 2022; 87:16526-16531. [PMID: 36475716 DOI: 10.1021/acs.joc.2c02214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
We develop the first method for catalytic, exhaustive ortho-alkoxylation of azobenzene photoswitches. Alkoxylation is known to improve the photoswitch properties that control azobenzenes' success in chemical biology or materials sciences, e.g., better completeness of both E → Z and Z → E photoisomerizations and >100 nm red shift of photoresponse. Our method enables straightforward late-stage diversification of photoswitches with interesting functional handles. We showcase four applications: using it to rationally tune lipophilicity, prepare isotopic tracers for metabolism studies, install full water solubility without ionic charges, and efficiently access previously difficult mixed-substituent photoswitches. We also identified a previously unexplored mixed-substituent tetra-ortho family, difluoro-dialkoxy-azobenzenes, whose photoresponse can outperform previous 'gold standard' tetrafluoro-, dichloro-difluoro-, and tetrachloro-azobenzenes in significant ways. We thus expect that both the scaffolds we showcase and the method we develop will impact broadly on photochemistry and photopharmacology.
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Affiliation(s)
- Adrian Müller-Deku
- Department of Pharmacy, Ludwig-Maximilians University, Butenandtstrasse 5-13, Munich 81377, Germany
| | - Oliver Thorn-Seshold
- Department of Pharmacy, Ludwig-Maximilians University, Butenandtstrasse 5-13, Munich 81377, Germany
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46
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Yang W, Peng H, Huang Y, Peng Z, Wang G. Synthesis and antitumor activity of litseaone B analogues as tubulin polymerisation inhibitors. J Enzyme Inhib Med Chem 2022; 37:2530-2539. [PMID: 36100238 PMCID: PMC9487931 DOI: 10.1080/14756366.2022.2122962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Abstract
A series of litseaone B analogues 4a∼4p were synthesised and antitumor activities of all compounds were screened. These compounds were designed by introducing different substituents on the B ring. Among these synthesised compounds, it was proved that 4k showed excellent activity against A549, HepG2, and HCT-15 cell lines, the IC50 values were 7.60 μM, 20.53 μM, and 4.59 μM, respectively. The results of tubulin polymerisation inhibition and immunofluorescence staining experiments displayed that 4k could act on tubulin and inhibit the polymerisation of tubulin. Moreover, the wound healing assay showed that 4k could inhibit the migration of A549 cells in a dose-dependent manner. Furthermore, the results of flow cytometry revealed that 4k was capable of blocking the cell cycle in the G2/M phase, inducing a decrease in the mitochondrial membrane potential and ultimately leading to apoptosis in A549 cells. Importantly, the possible binding model was also performed by molecular docking. Subject classification codes: short communication.
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Affiliation(s)
- Wei Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, China.,Teaching and Research Section of Natural Medicinal Chemistry, School of Pharmacy, Guizhou Medical University, Guiyang, China
| | - Huining Peng
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, China.,Teaching and Research Section of Natural Medicinal Chemistry, School of Pharmacy, Guizhou Medical University, Guiyang, China
| | - Yong Huang
- Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University, Guiyang, China
| | - Zhiyun Peng
- Clinical Trails Center, The Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Guangcheng Wang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, China
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47
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Babamale HF, Khor BK, Chear NJY, Yam W. Suppressive effects of azobenzene-imidazolium ionic conjugates on human cervical adenocarcinoma cells: Effects of alkyl chains and ortho-fluorination. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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48
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Ko T, Oliveira MM, Alapin JM, Morstein J, Klann E, Trauner D. Optical Control of Translation with a Puromycin Photoswitch. J Am Chem Soc 2022; 144:21494-21501. [PMID: 36394560 PMCID: PMC11302736 DOI: 10.1021/jacs.2c07374] [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] [Indexed: 11/18/2022]
Abstract
Translation is an elementary cellular process that involves a large number of factors interacting in a concerted fashion with the ribosome. Numerous natural products have emerged that interfere with the ribosomal function, such as puromycin, which mimics an aminoacyl tRNA and causes premature chain termination. Here, we introduce a photoswitchable version of puromycin that, in effect, puts translation under optical control. Our compound, termed puroswitch, features a diazocine that allows for reversible and nearly quantitative isomerization and pharmacological modulation. Its synthesis involves a new photoswitchable amino acid building block. Puroswitch shows little activity in the dark and becomes substantially more active and cytotoxic, in a graded fashion, upon irradiation with various wavelengths of visible light. In vitro translation assays confirm that puroswitch inhibits translation with a mechanism similar to that of puromycin itself. Once incorporated into nascent proteins, puroswitch reacts with standard puromycin antibodies, which allows for tracking de novo protein synthesis using western blots and immunohistochemistry. As a cell-permeable small molecule, puroswitch can be used for nascent proteome profiling in a variety of cell types, including primary mouse neurons. We envision puroswitch as a useful biochemical tool for the optical control of translation and for monitoring newly synthesized proteins in defined locations and at precise time points.
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Affiliation(s)
- Tongil Ko
- Department of Chemistry, New York University, New York, New York, 10003, United States
| | - Mauricio M. Oliveira
- Center for Neural Science, New York University, New York, New York, 10003, United States
| | - Jessica M. Alapin
- Center for Neural Science, New York University, New York, New York, 10003, United States
| | - Johannes Morstein
- Department of Chemistry, New York University, New York, New York, 10003, United States
| | - Eric Klann
- Center for Neural Science, New York University, New York, New York, 10003, United States
| | - Dirk Trauner
- Department of Chemistry, New York University, New York, New York, 10003, United States
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49
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Rushworth J, Thawani AR, Fajardo-Ruiz E, Meiring JCM, Heise C, White AJP, Akhmanova A, Brandt JR, Thorn-Seshold O, Fuchter MJ. [5]-Helistatins: Tubulin-Binding Helicenes with Antimitotic Activity. JACS AU 2022; 2:2561-2570. [PMID: 36465552 PMCID: PMC9709948 DOI: 10.1021/jacsau.2c00435] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 10/06/2022] [Accepted: 10/06/2022] [Indexed: 06/17/2023]
Abstract
Helicenes are high interest synthetic targets with unique conjugated helical structures that have found important technological applications. Despite this interest, helicenes have had limited impact in chemical biology. Herein, we disclose a first-in-class antimitotic helicene, helistatin 1 (HA-1), where the helicene scaffold acts as a structural mimic of colchicine, a known antimitotic drug. The synthesis proceeds via sequential Pd-catalyzed coupling reactions and a π-Lewis acid cycloisomerization mediated by PtCl2. HA-1 was found to block microtubule polymerization in both cell-free and live cell assays. Not only does this demonstrate the feasibility of using helicenes as bioactive scaffolds against protein targets, but also suggests wider potential for the use of helicenes as isosteres of biaryls or cis-stilbenes-themselves common drug and natural product scaffolds. Overall, this study further supports future opportunities for helicenes for a range of chemical biological applications.
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Affiliation(s)
- James
L. Rushworth
- Department
of Chemistry, Molecular Sciences Research Hub, Imperial College London, White City Campus, 82 Wood Lane, London W12 OBZ, U.K.
| | - Aditya R. Thawani
- Department
of Chemistry, Molecular Sciences Research Hub, Imperial College London, White City Campus, 82 Wood Lane, London W12 OBZ, U.K.
| | - Elena Fajardo-Ruiz
- Department
of Pharmacy, Ludwig-Maximilians University
of Munich, Munich 81377, Germany
| | - Joyce C. M. Meiring
- Cell
Biology, Neurobiology and Biophysics, Department of Biology, Faculty
of Science, Utrecht University, Utrecht 3584 CH, Netherlands
| | - Constanze Heise
- Department
of Pharmacy, Ludwig-Maximilians University
of Munich, Munich 81377, Germany
| | - Andrew J. P. White
- Department
of Chemistry, Molecular Sciences Research Hub, Imperial College London, White City Campus, 82 Wood Lane, London W12 OBZ, U.K.
| | - Anna Akhmanova
- Cell
Biology, Neurobiology and Biophysics, Department of Biology, Faculty
of Science, Utrecht University, Utrecht 3584 CH, Netherlands
| | - Jochen R. Brandt
- Department
of Chemistry, Molecular Sciences Research Hub, Imperial College London, White City Campus, 82 Wood Lane, London W12 OBZ, U.K.
| | - Oliver Thorn-Seshold
- Department
of Pharmacy, Ludwig-Maximilians University
of Munich, Munich 81377, Germany
| | - Matthew J. Fuchter
- Department
of Chemistry, Molecular Sciences Research Hub, Imperial College London, White City Campus, 82 Wood Lane, London W12 OBZ, U.K.
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50
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Küllmer F, Vepřek NA, Borowiak M, Nasufović V, Barutzki S, Thorn-Seshold O, Arndt HD, Trauner D. Next Generation Opto-Jasplakinolides Enable Local Remodeling of Actin Networks. Angew Chem Int Ed Engl 2022; 61:e202210220. [PMID: 36048143 PMCID: PMC11256906 DOI: 10.1002/anie.202210220] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Indexed: 11/12/2022]
Abstract
The natural product jasplakinolide is widely used to stabilize F-actin. Based on extensive structure-activity relationship studies, we have developed a new generation of photoswitchable jasplakinolides that feature rationally designed red-shifted azobenzene photoswitches. Our lead compound, nOJ, can be activated with longer wavelengths in the visible range (e.g. 440-475 nm) and rapidly returns to its inactive state through thermal relaxation. nOJ enables the reversible control of F-actin dynamics, as shown through live-cell imaging, cell migration, and cell proliferation assays. Short, local irradiation with blue light resulted in highly localized and reversible actin aggregation with subcellular precision. Our optical tool can be useful in diverse fields to study actin dynamics with excellent spatiotemporal resolution.
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Affiliation(s)
- Florian Küllmer
- Friedrich-Schiller-Universität (FSU), Institut für Organische Chemie und Makromolekulare Chemie, Humboldtstr. 10, 07743, Jena, Germany
| | - Nynke A Vepřek
- New York University, Department of Chemistry, 100 Washington Square East, New York, NY 10003, USA
- Department of Chemistry, Ludwig Maximilian University of Munich, Butenandtstrasse 5-13, 81377, München, Germany
| | - Malgorzata Borowiak
- Department of Pharmacy, Ludwig Maximilian University of Munich, Butenandtstrasse 5-13, 81377, München, Germany
| | - Veselin Nasufović
- Friedrich-Schiller-Universität (FSU), Institut für Organische Chemie und Makromolekulare Chemie, Humboldtstr. 10, 07743, Jena, Germany
| | - Sebastian Barutzki
- Friedrich-Schiller-Universität (FSU), Institut für Organische Chemie und Makromolekulare Chemie, Humboldtstr. 10, 07743, Jena, Germany
| | - Oliver Thorn-Seshold
- Department of Pharmacy, Ludwig Maximilian University of Munich, Butenandtstrasse 5-13, 81377, München, Germany
| | - Hans-Dieter Arndt
- Friedrich-Schiller-Universität (FSU), Institut für Organische Chemie und Makromolekulare Chemie, Humboldtstr. 10, 07743, Jena, Germany
| | - Dirk Trauner
- New York University, Department of Chemistry, 100 Washington Square East, New York, NY 10003, USA
- Department of Chemistry University of Pennsylvania, 231 South 34th St., Philadelphia, PA 19104-6323, USA
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