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Ivanova Y, Spittaels S, Gao LJ, Schols D, Van Meervelt L, Froeyen M, Dehaen W, De Jonghe S. Synthesis and evaluation of isothiazolo[4,5- b]pyridines as cyclin G-associated kinase (GAK) inhibitors. Org Biomol Chem 2024; 22:7373-7389. [PMID: 39171941 DOI: 10.1039/d4ob00908h] [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: 08/23/2024]
Abstract
Isothiazolo[4,3-b]pyridines have been extensively explored as inhibitors of cyclin G-associated kinase (GAK). In order to expand the structure-activity relationship study and to discover other chemotypes that act as GAK inhibitors, the closely related isothiazolo[4,5-b]pyridine scaffold was explored. An easy and efficient synthetic procedure to access 3,5- and 3,6-dihalogenated isothiazolo[4,5-b]pyridines as key building blocks was developed. Regioselective functionalization with various substituents was performed. None of the newly synthesized isothiazolo[4,5-b]pyridines were active as GAK inhibitors. Molecular modeling was applied to rationalise their inactivity as GAK binders.
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Affiliation(s)
- Yulia Ivanova
- KU Leuven, Department of Chemistry, Sustainable Chemistry for Metals and Molecules, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Sander Spittaels
- KU Leuven, Department of Chemistry, Sustainable Chemistry for Metals and Molecules, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Ling-Jie Gao
- KU Leuven, Department of Pharmaceutical and Pharmacological Sciences, Rega Institute for Medical Research, Laboratory of Medicinal Chemistry, Herestraat 49, box 1030, 3000 Leuven, Belgium
| | - Dominique Schols
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Herestraat 49, box 1043, 3000 Leuven, Belgium.
| | - Luc Van Meervelt
- KU Leuven, Department of Chemistry, Biomolecular Architecture, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Mathy Froeyen
- KU Leuven, Department of Pharmaceutical and Pharmacological Sciences, Rega Institute for Medical Research, Laboratory of Medicinal Chemistry, Herestraat 49, box 1030, 3000 Leuven, Belgium
| | - Wim Dehaen
- KU Leuven, Department of Chemistry, Sustainable Chemistry for Metals and Molecules, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Steven De Jonghe
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Herestraat 49, box 1043, 3000 Leuven, Belgium.
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Grisez T, Ravi NP, Froeyen M, Schols D, Van Meervelt L, De Jonghe S, Dehaen W. Synthesis of a 3,7-Disubstituted Isothiazolo[4,3- b]pyridine as a Potential Inhibitor of Cyclin G-Associated Kinase. Molecules 2024; 29:954. [PMID: 38474466 DOI: 10.3390/molecules29050954] [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: 01/15/2024] [Revised: 02/07/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
Disubstituted isothiazolo[4,3-b]pyridines are known inhibitors of cyclin G-associated kinase. Since 3-substituted-7-aryl-isothiazolo[4,3-b]pyridines remain elusive, a strategy was established to prepare this chemotype, starting from 2,4-dichloro-3-nitropyridine. Selective C-4 arylation using ligand-free Suzuki-Miyaura coupling and palladium-catalyzed aminocarbonylation functioned as key steps in the synthesis. The 3-N-morpholinyl-7-(3,4-dimethoxyphenyl)-isothiazolo[4,3-b]pyridine was completely devoid of GAK affinity, in contrast to its 3,5- and 3,6-disubstituted congeners. Molecular modeling was applied to rationalize its inactivity as a GAK ligand.
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Affiliation(s)
- Tom Grisez
- Department of Chemistry, Sustainable Chemistry for Metals and Molecules, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Nitha Panikkassery Ravi
- Department of Chemistry, Sustainable Chemistry for Metals and Molecules, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Mathy Froeyen
- Laboratory of Medicinal Chemistry, Rega Institute for Medical Research, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Herestraat 49, P.O. Box 1041, B-3000 Leuven, Belgium
| | - Dominique Schols
- Laboratory of Virology and Chemotherapy, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Herestraat 49, P.O. Box 1043, B-3000 Leuven, Belgium
| | - Luc Van Meervelt
- Department of Chemistry, Biomolecular Architecture, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Steven De Jonghe
- Laboratory of Virology and Chemotherapy, Rega Institute for Medical Research, Department of Microbiology, Immunology and Transplantation, KU Leuven, Herestraat 49, P.O. Box 1043, B-3000 Leuven, Belgium
| | - Wim Dehaen
- Department of Chemistry, Sustainable Chemistry for Metals and Molecules, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
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Sow AA, Pahmeier F, Ayotte Y, Anton A, Mazeaud C, Charpentier T, Angelo L, Woo S, Cerikan B, Falzarano D, Abrahamyan L, Lamarre A, Labonté P, Cortese M, Bartenschlager R, LaPlante SR, Chatel-Chaix L. N-Phenylpyridine-3-Carboxamide and 6-Acetyl-1H-Indazole Inhibit the RNA Replication Step of the Dengue Virus Life Cycle. Antimicrob Agents Chemother 2023; 67:e0133122. [PMID: 36700643 PMCID: PMC9933715 DOI: 10.1128/aac.01331-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 12/26/2022] [Indexed: 01/27/2023] Open
Abstract
Dengue virus (DENV) is a Flavivirus that causes the most prevalent arthropod-borne viral disease. Clinical manifestation of DENV infection ranges from asymptomatic to severe symptoms that can lead to death. Unfortunately, no antiviral treatments against DENV are currently available. In order to identify novel DENV inhibitors, we screened a library of 1,604 chemically diversified fragment-based compounds using DENV reporter viruses that allowed quantification of viral replication in infected cells. Following a validation screening, the two best inhibitor candidates were N-phenylpyridine-3-carboxamide (NPP3C) and 6-acetyl-1H-indazole (6A1HI). The half maximal effective concentration of NPP3C and 6A1H1 against DENV were 7.1 μM and 6.5 μM, respectively. 6A1H1 decreased infectious DENV particle production up to 1,000-fold without any cytotoxicity at the used concentrations. While 6A1HI was DENV-specific, NPP3C also inhibited the replication of other flaviviruses such as West Nile virus and Zika virus. Structure-activity relationship (SAR) studies with 151 analogues revealed key structural elements of NPP3C and 6A1HI required for their antiviral activity. Time-of-drug-addition experiments identified a postentry step as a target of these compounds. Consistently, using a DENV subgenomic replicon, we demonstrated that these compounds specifically impede the viral RNA replication step and exhibit a high genetic barrier-to-resistance. In contrast, viral RNA translation and the de novo biogenesis of DENV replication organelles were not affected. Overall, our data unveil NPP3C and 6A1H1 as novel DENV inhibitors. The information revealed by our SAR studies will help chemically optimize NPP3C and 6A1H1 in order to improve their anti-flaviviral potency and to challenge them in in vivo models.
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Affiliation(s)
- Aïssatou Aïcha Sow
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Quebec, Canada
| | - Felix Pahmeier
- Department of Infectious Diseases, Molecular Virology, Center for Integrative Infectious Disease Research (CIID), Heidelberg University, Heidelberg, Germany
| | - Yann Ayotte
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Quebec, Canada
| | - Anaïs Anton
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Quebec, Canada
| | - Clément Mazeaud
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Quebec, Canada
| | - Tania Charpentier
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Quebec, Canada
| | - Léna Angelo
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Quebec, Canada
| | - Simon Woo
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Quebec, Canada
| | - Berati Cerikan
- Department of Infectious Diseases, Molecular Virology, Center for Integrative Infectious Disease Research (CIID), Heidelberg University, Heidelberg, Germany
| | - Darryl Falzarano
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Department of Veterinary Microbiology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Levon Abrahamyan
- Faculty of Veterinary Medicine, University of Montreal, Saint-Hyacinthe, Quebec, Canada
| | - Alain Lamarre
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Quebec, Canada
| | - Patrick Labonté
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Quebec, Canada
| | - Mirko Cortese
- Department of Infectious Diseases, Molecular Virology, Center for Integrative Infectious Disease Research (CIID), Heidelberg University, Heidelberg, Germany
- Telethon Institute of Genetics and Medicine, Naples, Italy
| | - Ralf Bartenschlager
- Department of Infectious Diseases, Molecular Virology, Center for Integrative Infectious Disease Research (CIID), Heidelberg University, Heidelberg, Germany
- German Center for Infection Research (DZIF), Heidelberg partner site, Heidelberg, Germany
| | - Steven R. LaPlante
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Quebec, Canada
| | - Laurent Chatel-Chaix
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, Quebec, Canada
- Center of Excellence in Orphan Diseases Research-Foundation Courtois, Quebec, Canada
- Réseau Intersectoriel de Recherche en Santé de l’Université du Québec, Quebec, Canada
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Pandimeena G, Mathavan T, Samuel EJJ, Milton Franklin Benial A. Quantum chemical, spectroscopic and molecular docking investigations of potential pulmonary fibrosis drug methyl 2-chloro 4-iodonicotinate. J Mol Recognit 2023; 36:e3001. [PMID: 36315423 DOI: 10.1002/jmr.3001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/14/2022] [Accepted: 10/26/2022] [Indexed: 11/06/2022]
Abstract
In this work, the methyl 2-chloro 4-iodonicotinate (MCIN) was investigated to study the structural, spectroscopic and electronic properties using density functional theory (DFT) quantum chemical calculations. The most stable structure of MCIN was optimized by DFT/B3LYP method with a LanLD2Z basis set. The optimized parameters and vibrational wavenumbers were determined. The vibrational task of the molecule was done by potential energy distribution calculations. The 13 C NMR spectrum of the MCIN molecule was simulated by the Gauge-Invariant-Atomic Orbital method using a dimethyl sulfoxide solution and the isotropic chemical shift values of the molecule were calculated and observed. Ultraviolet-visible spectra were simulated and observed. The pharmaceutical activity was predicted using frontier molecular orbital and natural bond orbital analysis. The reactive sites of the MCIN molecule were determined using Mulliken atomic charge distribution, molecular electrostatic potential surface and the local reactivity analysis. The molecular docking analysis confirms that the title molecule can be used in drug design for the treatment of pulmonary fibrosis.
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Affiliation(s)
- G Pandimeena
- P.G. & Research Department of Physics, N.M.S.S.V.N. College, Madurai, India
| | - T Mathavan
- P.G. & Research Department of Physics, N.M.S.S.V.N. College, Madurai, India
| | - E James Jebaseelan Samuel
- Department of Physics, School of Advanced Sciences, Vellore Institute of Technology (VIT) university, Vellore, India
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Karim M, Saul S, Ghita L, Sahoo MK, Ye C, Bhalla N, Lo CW, Jin J, Park JG, Martinez-Gualda B, East MP, Johnson GL, Pinsky BA, Martinez-Sobrido L, Asquith CRM, Narayanan A, De Jonghe S, Einav S. Numb-associated kinases are required for SARS-CoV-2 infection and are cellular targets for antiviral strategies. Antiviral Res 2022; 204:105367. [PMID: 35738348 PMCID: PMC9212491 DOI: 10.1016/j.antiviral.2022.105367] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 06/08/2022] [Accepted: 06/15/2022] [Indexed: 12/02/2022]
Abstract
The coronavirus disease 2019 (COVID-19) pandemic caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) continues to pose serious threats to global health. We previously reported that AAK1, BIKE and GAK, members of the Numb-associated kinase family, control intracellular trafficking of multiple RNA viruses during viral entry and assembly/egress. Here, using both genetic and pharmacological approaches, we probe the functional relevance of NAKs for SARS-CoV-2 infection. siRNA-mediated depletion of AAK1, BIKE, GAK, and STK16, the fourth member of the NAK family, suppressed SARS-CoV-2 infection in human lung epithelial cells. Both known and novel small molecules with potent AAK1/BIKE, GAK or STK16 activity suppressed SARS-CoV-2 infection. Moreover, combination treatment with the approved anti-cancer drugs, sunitinib and erlotinib, with potent anti-AAK1/BIKE and GAK activity, respectively, demonstrated synergistic effect against SARS-CoV-2 infection in vitro. Time-of-addition experiments revealed that pharmacological inhibition of AAK1 and BIKE suppressed viral entry as well as late stages of the SARS-CoV-2 life cycle. Lastly, suppression of NAKs expression by siRNAs inhibited entry of both wild type and SARS-CoV-2 pseudovirus. These findings provide insight into the roles of NAKs in SARS-CoV-2 infection and establish a proof-of-principle that pharmacological inhibition of NAKs can be potentially used as a host-targeted approach to treat SARS-CoV-2 with potential implications to other coronaviruses.
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Affiliation(s)
- Marwah Karim
- Department of Medicine, Division of Infectious Diseases and Geographic Medicine, Stanford University, CA, USA
| | - Sirle Saul
- Department of Medicine, Division of Infectious Diseases and Geographic Medicine, Stanford University, CA, USA
| | - Luca Ghita
- Department of Medicine, Division of Infectious Diseases and Geographic Medicine, Stanford University, CA, USA
| | - Malaya Kumar Sahoo
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Chengjin Ye
- Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Nishank Bhalla
- National Center for Biodefence and Infectious Disease, Biomedical Research Laboratory, School of Systems Biology, George Mason University, Manassas, VA, USA
| | - Chieh-Wen Lo
- Department of Medicine, Division of Infectious Diseases and Geographic Medicine, Stanford University, CA, USA
| | - Jing Jin
- Vitalant Research Institute, San Francisco, CA, USA
| | - Jun-Gyu Park
- Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Belén Martinez-Gualda
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Leuven, Belgium
| | - Michael Patrick East
- Department of Pharmacology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Gary L Johnson
- Department of Pharmacology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA; Lineberger Comprehensive Cancer Center, School of Medicine, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Benjamin A Pinsky
- Department of Medicine, Division of Infectious Diseases and Geographic Medicine, Stanford University, CA, USA; Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | | | - Christopher R M Asquith
- Department of Pharmacology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA; School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, 70211, Finland
| | - Aarthi Narayanan
- National Center for Biodefence and Infectious Disease, Biomedical Research Laboratory, School of Systems Biology, George Mason University, Manassas, VA, USA
| | - Steven De Jonghe
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Leuven, Belgium
| | - Shirit Einav
- Department of Medicine, Division of Infectious Diseases and Geographic Medicine, Stanford University, CA, USA; Department of Microbiology and Immunology, Stanford University, CA, USA; Chan Zuckerberg Biohub, San Francisco, CA, 94158, USA.
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Tahir T, Tabassum R, Javed Q, Ali A, Ashfaq M, Shahzad MI. Synthesis, kinetics, structure-activity relationship and in silico ADME studies of new diazenyl azo-phenol derivatives against urease, SARS-CoV-2 main protease (Mpro) and ribosomal protein S1 (RpsA) of Mycobacterium tuberculosis. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Pyridine Scaffolds, Phenols and Derivatives of Azo Moiety: Current Therapeutic Perspectives. Molecules 2021; 26:molecules26164872. [PMID: 34443460 PMCID: PMC8399416 DOI: 10.3390/molecules26164872] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/07/2021] [Accepted: 08/09/2021] [Indexed: 11/24/2022] Open
Abstract
Synthetic heterocyclic compounds have incredible potential against different diseases; pyridines, phenolic compounds and the derivatives of azo moiety have shown excellent antimicrobial, antiviral, antidiabetic, anti-melanogenic, anti-ulcer, anticancer, anti-mycobacterial, anti-inflammatory, DNA binding and chemosensing activities. In the present review, the above-mentioned activities of the nitrogen-containing heterocyclic compounds (pyridines), hydroxyl (phenols) and azo derivatives are discussed with reference to the minimum inhibitory concentration and structure–activity relationship, which clearly indicate that the presence of nitrogen in the phenyl ring; in addition, the hydroxyl substituent and the incorporation of a diazo group is crucial for the improved efficacies of the compounds in probing different diseases. The comparison was made with the reported drugs and new synthetic derivatives that showed recent therapeutic perspectives made in the last five years.
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Abstract
Viral infections are a major health problem; therefore, there is an urgent need for novel therapeutic strategies. Antivirals used to target proteins encoded by the viral genome usually enhance drug resistance generated by the virus. A potential solution may be drugs acting at host-based targets since viruses are dependent on numerous cellular proteins and phosphorylation events that are crucial during their life cycle. Repurposing existing kinase inhibitors as antiviral agents would help in the cost and effectiveness of the process, but this strategy usually does not provide much improvement, and specific medicinal chemistry programs are needed in the field. Anyway, extensive use of FDA-approved kinase inhibitors has been quite useful in deciphering the role of host kinases in viral infection. The present perspective aims to review the state of the art of kinase inhibitors that target viral infections in different development stages.
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Affiliation(s)
- Javier García-Cárceles
- Centro de Investigaciones Biológicas Margarita Salas (CSIC), Ramiro de Maeztu 9, 28040 Madrid, Spain
| | - Elena Caballero
- Centro de Investigaciones Biológicas Margarita Salas (CSIC), Ramiro de Maeztu 9, 28040 Madrid, Spain
| | - Carmen Gil
- Centro de Investigaciones Biológicas Margarita Salas (CSIC), Ramiro de Maeztu 9, 28040 Madrid, Spain
| | - Ana Martínez
- Centro de Investigaciones Biológicas Margarita Salas (CSIC), Ramiro de Maeztu 9, 28040 Madrid, Spain
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