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Synthesis, Structural and Behavioral Studies of Indole Derivatives D2AAK5, D2AAK6 and D2AAK7 as Serotonin 5-HT 1A and 5-HT 2A Receptor Ligands. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28010383. [PMID: 36615578 PMCID: PMC9823611 DOI: 10.3390/molecules28010383] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 12/20/2022] [Accepted: 12/21/2022] [Indexed: 01/04/2023]
Abstract
Serotonin receptors are involved in a number of physiological functions and regulate aggression, anxiety, appetite, cognition, learning, memory, mood, nausea, sleep, and thermoregulation. Here we report synthesis and detailed structural and behavioral studies of three indole derivatives: D2AAK5, D2AAK6, and D2AAK7 as serotonin 5-HT1A and 5-HT2A receptor ligands. X-ray studies revealed that the D2AAK5 compound crystallizes in centrosymmetric triclinic space group with one molecule in the asymmetric unit. The main interaction between the ligands and the receptors is the salt bridge between the protonatable nitrogen atom of the ligands and the conserved Asp (3.32) of the receptors. The complexes were stable in the molecular dynamic simulations. MD revealed that the studied ligands are relatively stable in their binding sites, with the exception of D2AAK7 in the serotonin 5-HT1A receptor. D2AAK7 exerts anxiolytic activity in the EPM test, while D2AAK5 has a beneficial effect on the memory processes in the PA test.
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Kondej M, Wróbel TM, Targowska-Duda KM, Martínez AL, Koszła O, Stępnicki P, Zięba A, Paz A, Wronikowska-Denysiuk O, Loza MI, Castro M, Kaczor AA. Multi-target derivatives of D2AAK1 as potential antipsychotics - the effect of the substitution in the indole moiety. ChemMedChem 2022; 17:e202200238. [PMID: 35610178 DOI: 10.1002/cmdc.202200238] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 05/24/2022] [Indexed: 11/09/2022]
Abstract
Schizophrenia is a complex disease which is best treated with multi-target drugs, such as atypical antipsychotics. Previously, using structure-based virtual screening we found a virtual hit D2AAK1 with nanomolar affinity to dopamine and serotonin receptors important in schizophrenia pharmacotherapy. As a part of optimization campaign of D2AAK1 we obtained its 17 derivatives also displaying a multi-target profile. Selected compounds were tested against off-targets in schizophrenia, i.e. histamine H 1 receptor and muscarinic M 1 receptor and did not display considerable affinity to these receptors. Two most promising compounds were subjected to behavioral studies. These compounds decreased amphetamine-induced hyperactivity in mice which indicates their antipsychotic potential. The compounds did not interfere with the memory consolidation in mice as determined in the passive avoidance test. The favorable pharmacological profile of the compounds was rationalized using molecular modeling.
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Affiliation(s)
- Magda Kondej
- Medical University of Lublin: Uniwersytet Medyczny w Lublinie, Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, POLAND
| | - Tomasz M Wróbel
- Medical University of Lublin: Uniwersytet Medyczny w Lublinie, Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, POLAND
| | | | - Antón Leandro Martínez
- University of Santiago de Compostela: Universidade de Santiago de Compostela, Department of Pharmacology, SPAIN
| | - Oliwia Koszła
- Medical University of Lublin: Uniwersytet Medyczny w Lublinie, Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, POLAND
| | - Piotr Stępnicki
- Medical University of Lublin Main Library: Uniwersytet Medyczny w Lublinie, Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, POLAND
| | - Agata Zięba
- Medical University of Lublin: Uniwersytet Medyczny w Lublinie, Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, POLAND
| | - Alba Paz
- University of Santiago de Compostela: Universidade de Santiago de Compostela, Department of Pharmacology, POLAND
| | - Olga Wronikowska-Denysiuk
- Medical University of Lublin: Uniwersytet Medyczny w Lublinie, Independent Laboratory of Behavioral Studies, POLAND
| | - Maria I Loza
- University of Santiago de Compostela: Universidade de Santiago de Compostela, Department of Pharmacology, SPAIN
| | - Marián Castro
- University of Santiago de Compostela: Universidade de Santiago de Compostela, Department of Pharmacology, SPAIN
| | - Agnieszka Anna Kaczor
- Medical University of Lublin, Department of Synthesis and Chemical Technology of Pharmaceutical Substances, 4A Chodzki St, 20093, Lublin, POLAND
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Experimental and Computational Structural Studies of 2,3,5-Trisubstituted and 1,2,3,5-Tetrasubstituted Indoles as Non-Competitive Antagonists of GluK1/GluK2 Receptors. Molecules 2022; 27:molecules27082479. [PMID: 35458681 PMCID: PMC9032324 DOI: 10.3390/molecules27082479] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/01/2022] [Accepted: 04/07/2022] [Indexed: 02/06/2023] Open
Abstract
The blockade of kainate receptors, in particular with non-competitive antagonists, has—due to their anticonvulsant and neuroprotective properties—therapeutic potential in many central nervous system (CNS) diseases. Deciphering the structural properties of kainate receptor ligands is crucial to designing medicinal compounds that better fit the receptor binding pockets. In light of that fact, here, we report experimental and computational structural studies of four indole derivatives that are non-competitive antagonists of GluK1/GluK2 receptors. We used X-ray studies and Hirshfeld surface analysis to determine the structure of the compounds in the solid state and quantum chemical calculations to compute HOMO and LUMO orbitals and the electrostatic potential. Moreover, non-covalent interaction maps were also calculated. It is worth emphasizing that compounds 3 and 4 are achiral molecules crystallising in non-centrosymmetric space groups, which is a relatively rare phenomenon.
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Experimental and computational structural studies of 5-substituted-3-(1-arylmethyl-1,2,3,6-tetrahydropyridin-4-yl)-1H-indoles. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130998] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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5
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Kaczor AA, Targowska-Duda KM, Stępnicki P, Silva AG, Koszła O, Kędzierska E, Grudzińska A, Kruk-Słomka M, Biała G, Castro M. N-(3-{4-[3-(trifluoromethyl)phenyl]piperazin-1-yl}propyl)-1H-indazole-3-carboxamide (D2AAK3) as a potential antipsychotic: In vitro, in silico and in vivo evaluation of a multi-target ligand. Neurochem Int 2021; 146:105016. [PMID: 33722679 DOI: 10.1016/j.neuint.2021.105016] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 03/04/2021] [Accepted: 03/06/2021] [Indexed: 10/21/2022]
Abstract
Schizophrenia is a mental illness of not adequately understood causes that is not satisfactorily enough treated by current antipsychotics. In search for novel potential antipsychotics we performed structure-based virtual screening aimed to identify new dopamine D2 receptor antagonists. We found compound D2AAK3 with affinity to dopamine D2 receptor of 115 nM. D2AAK3 possesses additional nanomolar or low micromolar affinity to D1, D3, 5-HT1A, 5-HT2A and 5-HT7 receptors, which makes it a good hit for further development as a multifunctional ligand. The compound has also some affinity to M1 and H1 receptors. We used homology modeling, molecular docking and molecular dynamics to study interactions of D2AAK3 with its molecular targets at the molecular level. In behavioral studies D2AAK3 decreases amphetamine-induced hyperactivity (when compared to the amphetamine-treated group) measured as spontaneous locomotor activity in mice. In addition, passive avoidance test demonstrated that D2AAK3 improves memory consolidation after acute treatment in mice. Elevated plus maze tests indicated that D2AAK3 induces anxiogenic activity 30 min after acute treatment, whereas this effect has no longer been observed 60 min after administration of the studied compound in mice.
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Affiliation(s)
- Agnieszka A Kaczor
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, 4A Chodźki St., PL-20093, Lublin, Poland; School of Pharmacy, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland.
| | - Katarzyna M Targowska-Duda
- Department of Biopharmacy, Faculty of Pharmacy, Medical University of Lublin, 4A Chodźki St., PL-20093, Lublin, Poland
| | - Piotr Stępnicki
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, 4A Chodźki St., PL-20093, Lublin, Poland
| | - Andrea G Silva
- Department of Pharmacology, Universidade de Santiago de Compostela, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Avda de Barcelona, E-15782, Santiago de Compostela, Spain
| | - Oliwia Koszła
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, 4A Chodźki St., PL-20093, Lublin, Poland
| | - Ewa Kędzierska
- Department of Pharmacology and Pharmacodynamics, Faculty of Pharmacy, Medical University of Lublin, 4A Chodźki St., PL-20093, Lublin, Poland
| | - Angelika Grudzińska
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, 4A Chodźki St., PL-20093, Lublin, Poland
| | - Marta Kruk-Słomka
- Department of Pharmacology and Pharmacodynamics, Faculty of Pharmacy, Medical University of Lublin, 4A Chodźki St., PL-20093, Lublin, Poland
| | - Grażyna Biała
- Department of Pharmacology and Pharmacodynamics, Faculty of Pharmacy, Medical University of Lublin, 4A Chodźki St., PL-20093, Lublin, Poland
| | - Marián Castro
- Department of Pharmacology, Universidade de Santiago de Compostela, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Avda de Barcelona, E-15782, Santiago de Compostela, Spain
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Magli E, Kędzierska E, Kaczor AA, Bielenica A, Severino B, Gibuła-Tarłowska E, Kotlińska JH, Corvino A, Sparaco R, Esposito G, Albrizio S, Perissutti E, Frecentese F, Leśniak A, Bujalska-Zadrożny M, Struga M, Capasso R, Santagada V, Caliendo G, Fiorino F. Synthesis, docking studies, and pharmacological evaluation of 2-hydroxypropyl-4-arylpiperazine derivatives as serotoninergic ligands. Arch Pharm (Weinheim) 2021; 354:e2000414. [PMID: 33543794 DOI: 10.1002/ardp.202000414] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/17/2020] [Accepted: 01/08/2021] [Indexed: 01/02/2023]
Abstract
A new series of norbornene and exo-N-hydroxy-7-oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboximide derivatives was prepared, and their affinities to the 5-HT1A , 5-HT2A , and 5-HT2C receptors were evaluated and compared with a previously synthesized series of derivatives characterized by the same nuclei, to identify selective ligands for the subtype receptors. Arylpiperazines represent one of the most important classes of 5-HT1A R ligands, and the research of new derivatives has been focused on the modification of one or more portions of this pharmacophore. The combination of structural elements (heterocyclic nucleus, hydroxyalkyl chain, and 4-substituted piperazine), known to be critical for the affinity to 5-HT1A receptors, and the proper selection of substituents resulted in compounds with high specificity and affinity toward serotoninergic receptors. The most active compounds were selected for further in vivo assays to determine their functional activity. Finally, to rationalize the obtained results, molecular docking studies were performed. The results of the pharmacological studies showed that 3e, 4j, and 4n were the most active and promising derivatives for the serotonin receptor considered in this study.
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Affiliation(s)
- Elisa Magli
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Ewa Kędzierska
- Department of Pharmacology and Pharmacodynamics, Faculty of Pharmacy with Division of Medical Analytics, Medical University of Lublin, Lublin, Poland
| | - Agnieszka A Kaczor
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, Lublin, Poland.,School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Anna Bielenica
- Department of Biochemistry, Medical University of Warsaw, Warsaw, Poland
| | - Beatrice Severino
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Ewa Gibuła-Tarłowska
- Department of Pharmacology and Pharmacodynamics, Faculty of Pharmacy with Division of Medical Analytics, Medical University of Lublin, Lublin, Poland
| | - Jolanta H Kotlińska
- Department of Pharmacology and Pharmacodynamics, Faculty of Pharmacy with Division of Medical Analytics, Medical University of Lublin, Lublin, Poland
| | - Angela Corvino
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Rosa Sparaco
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Giovanna Esposito
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Stefania Albrizio
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Elisa Perissutti
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Francesco Frecentese
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Anna Leśniak
- Department of Pharmacodynamics, Centre for Preclinical Research and Technology, Faculty of Pharmacy, Medical University of Warsaw, Warsaw, Poland
| | - Magdalena Bujalska-Zadrożny
- Department of Pharmacodynamics, Centre for Preclinical Research and Technology, Faculty of Pharmacy, Medical University of Warsaw, Warsaw, Poland
| | - Marta Struga
- Department of Biochemistry, Medical University of Warsaw, Warsaw, Poland
| | - Raffaele Capasso
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Vincenzo Santagada
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Giuseppe Caliendo
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Ferdinando Fiorino
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
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Stępnicki P, Kondej M, Koszła O, Żuk J, Kaczor AA. Multi-targeted drug design strategies for the treatment of schizophrenia. Expert Opin Drug Discov 2020; 16:101-114. [PMID: 32915109 DOI: 10.1080/17460441.2020.1816962] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Schizophrenia is a complex psychiatric disease (or a conglomeration of disorders) manifesting with positive, negative and cognitive symptoms. The pathophysiology of schizophrenia is not completely known; however, it involves many neurotransmitters and their receptors. In order to treat schizophrenia, drugs need to be multi-target drugs. Indeed, the action of second and third generation antipsychotics involves interactions with many receptors, belonging mainly to aminergic GPCRs. AREAS COVERED In this review, the authors summarize current concepts of schizophrenia with the emphasis on the modern dopaminergic, serotoninergic, and glutamatergic hypotheses. Next, they discuss treatments of the disease, stressing multi-target antipsychotics. They cover different aspects of design of multi-target ligands, including the application of molecular modeling approaches for the design and benefits and limitations of multifunctional compounds. Finally, they present successful case studies of multi-target drug design against schizophrenia. EXPERT OPINION Treatment of schizophrenia requires the application of multi-target drugs. While designing single target drugs is relatively easy, designing multifunctional compounds is a challenge due to the necessity to balance the affinity to many targets, while avoiding promiscuity and the problems with drug-likeness. Multi-target drugs bring many benefits: better efficiency, fewer adverse effects, and drug-drug interactions and better patient compliance to drug regime.
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Affiliation(s)
- Piotr Stępnicki
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin , Lublin, Poland
| | - Magda Kondej
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin , Lublin, Poland
| | - Oliwia Koszła
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin , Lublin, Poland
| | - Justyna Żuk
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin , Lublin, Poland
| | - Agnieszka A Kaczor
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin , Lublin, Poland.,School of Pharmacy, University of Eastern Finland , Kuopio, Finland
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Kaczor AA, Targowska-Duda KM, Silva AG, Kondej M, Biała G, Castro M. N-(2-Hydroxyphenyl)-1-[3-(2-oxo-2,3-dihydro-1 H- benzimidazol-1-yl)propyl]piperidine-4-Carboxamide (D2AAK4), a Multi-Target Ligand of Aminergic GPCRs, as a Potential Antipsychotic. Biomolecules 2020; 10:E349. [PMID: 32102432 PMCID: PMC7072648 DOI: 10.3390/biom10020349] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 02/17/2020] [Accepted: 02/18/2020] [Indexed: 12/20/2022] Open
Abstract
N-(2-hydroxyphenyl)-1-[3-(2-oxo-2,3-dihydro-1H-benzimidazol -1-yl)propyl]piperidine-4-carboxamide (D2AAK4) is a multitarget ligand of aminergic G protein-coupled receptors (GPCRs) identified in structure-based virtual screening. Here we present detailed in vitro, in silico and in vivo investigations of this virtual hit. D2AAK4 has an atypical antipsychotic profile and low affinity to off-targets. It interacts with aminergic GPCRs, forming an electrostatic interaction between its protonatable nitrogen atom and the conserved Asp 3.32 of the receptors. At the dose of 100 mg/kg D2AAK4 decreases amphetamine-induced hyperactivity predictive of antipsychotic activity, improves memory consolidation in passive avoidance test and has anxiogenic properties in elevated plus maze test (EPM). Further optimization of the virtual hit D2AAK4 will be aimed to balance its multitarget profile and to obtain analogs with anxiolytic activity.
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Affiliation(s)
- Agnieszka A. Kaczor
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances, Faculty of Pharmacy, Medical University of Lublin, 4A Chodźki St., PL-20093 Lublin, Poland;
- School of Pharmacy, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland
| | - Katarzyna M. Targowska-Duda
- Department of Biopharmacy, Faculty of Pharmacy, Medical University of Lublin, 4A Chodźki St., PL-20093 Lublin, Poland
| | - Andrea G. Silva
- Department of Pharmacology, Universidade de Santiago de Compostela, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Avda de Barcelona, E-15782 Santiago de Compostela, Spain; (A.G.S.); (M.C.)
| | - Magda Kondej
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances, Faculty of Pharmacy, Medical University of Lublin, 4A Chodźki St., PL-20093 Lublin, Poland;
| | - Grażyna Biała
- Department of Pharmacology and Pharmacodynamics, Faculty of Pharmacy, Medical University of Lublin, 4A Chodźki St., PL-20093 Lublin, Poland;
| | - Marián Castro
- Department of Pharmacology, Universidade de Santiago de Compostela, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Avda de Barcelona, E-15782 Santiago de Compostela, Spain; (A.G.S.); (M.C.)
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2,4-Dichlorophenoxyacetic Thiosemicarbazides as a New Class of Compounds Against Stomach Cancer Potentially Intercalating with DNA. Biomolecules 2020; 10:biom10020296. [PMID: 32069994 PMCID: PMC7072506 DOI: 10.3390/biom10020296] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 02/07/2020] [Accepted: 02/11/2020] [Indexed: 12/20/2022] Open
Abstract
Thiosemicarbazide is a useful structural moiety that has the biological potential. Optimization of this structure can result in groundbreaking discovery of a new class of therapeutic agents. In the light of this, 1-(2,4-dichlorophenoxy)acetyl-4-(1-naphthyl)thiosemicarbazide (1) and 1,4-bis[(2,4-dichlorophenoxy)acetylthiosemicarbazide]phenyl (2) were synthesized and characterized by spectroscopic method. Cytotoxicity of obtained compounds was evaluated on MKN74 gastric cancer cell line and human skin fibroblast BJ based on methylthiazolyldiphenyl-tetrazolium bromide (MTT) test. The apoptosis/necrosis and cell cycle analysis were conducted using image cytometry. Additionally, in DNA of treated cells, abasic sites (AP) and double strands breaks (DSB) presence were measured. Intercalating properties of active compounds were evaluated using the UV–spectroscopic method. Among newly synthesized derivatives, compound 2 showed toxic effects on gastric cancer cells with simultaneous lack of toxicity to normal fibroblasts. Cell cycle analysis revealed that both compounds influence cell division mainly at the stage of replication. Simultaneously with DNA synthesis disorders, DNA damages like AP-sites and DSBs were observed. Spectroscopic studies revealed possible DNA intercalating properties of tested compounds. Obtained results indicate that the newly synthesized thiosemicarbazide derivatives are a promising group of compounds with potential anticancer activity resulted from interactions with DNA and cell cycle interrupt.
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Kondej M, Wróbel TM, Silva AG, Stępnicki P, Koszła O, Kędzierska E, Bartyzel A, Biała G, Matosiuk D, Loza MI, Castro M, Kaczor AA. Synthesis, pharmacological and structural studies of 5-substituted-3-(1-arylmethyl-1,2,3,6-tetrahydropyridin-4-yl)-1H-indoles as multi-target ligands of aminergic GPCRs. Eur J Med Chem 2019; 180:673-689. [DOI: 10.1016/j.ejmech.2019.07.050] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 07/03/2019] [Accepted: 07/17/2019] [Indexed: 01/01/2023]
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The Universal 3D QSAR Model for Dopamine D 2 Receptor Antagonists. Int J Mol Sci 2019; 20:ijms20184555. [PMID: 31540025 PMCID: PMC6770028 DOI: 10.3390/ijms20184555] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 09/06/2019] [Accepted: 09/11/2019] [Indexed: 12/19/2022] Open
Abstract
In order to search for novel antipsychotics acting through the D2 receptor, it is necessary to know the structure–activity relationships for dopamine D2 receptor antagonists. In this context, we constructed the universal three-dimensional quantitative structure–activity relationship (3D- QSAR) model for competitive dopamine D2 receptor antagonists. We took 176 compounds from chemically different groups characterized by the half maximal inhibitory concentration (IC50)from the CHEMBL database and docked them to the X-ray structure of the human D2 receptor in the inactive state. Selected docking poses were applied for Comparative Molecular Field Analysis (CoMFA) alignment. The obtained CoMFA model is characterized by a cross-validated coefficient Q2 of 0.76 with an optimal component of 5, R2 of 0.92, and an F value of 338.9. The steric and electrostatic field contributions are 67.4% and 32.6%, respectively. The statistics obtained prove that the CoMFA model is significant. Next, the IC50 of the 16 compounds from the test set was predicted with R2 of 0.95. Finally, a progressive scrambling test was carried out for additional validation. The CoMFA fields were mapped onto the dopamine D2 receptor binding site, which enabled a discussion of the structure–activity relationship based on ligand–receptor interactions. In particular, it was found that one of the desired steric interactions covers the area of a putative common allosteric pocket suggested for some other G protein-coupled receptors (GPCRs), which would suggest that some of the known dopamine receptor antagonists are bitopic in their essence. The CoMFA model can be applied to predict the potential activity of novel dopamine D2 receptor antagonists.
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